diff --git a/.circleci/config.yml b/.circleci/config.yml
index 2ac7b6319e5..c1335e3d2ec 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -119,6 +119,7 @@ build-steps: &build-steps
           if [ "$RUN_TESTS" != "false" ]; then
             cd src
             ninja -C out/Default third_party/electron_node:headers
+            export ELECTRON_OUT_DIR=Default
             (cd electron && npm run test -- --ci --enable-logging)
           fi
     - <<: *notify-slack-failure
@@ -195,6 +196,7 @@ mac-build-steps: &mac-build-steps
           if [ "$RUN_TESTS" != "false" ]; then
             cd src
             ninja -C out/Default third_party/electron_node:headers
+            export ELECTRON_OUT_DIR=Default
             (cd electron && npm run test -- --ci --enable-logging)
           fi
     - <<: *notify-slack-failure
diff --git a/appveyor.yml b/appveyor.yml
index 005b8571340..2fa527201ea 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -4,6 +4,7 @@ image: libcc-20-vs2017-15.7.4
 environment:
   GIT_CACHE_PATH: C:\Users\electron\libcc_cache
   DISABLE_CRASH_REPORTER_TESTS: true
+  ELECTRON_OUT_DIR: Default
 build_script:
   - ps: >-
       if(($env:APPVEYOR_PULL_REQUEST_HEAD_REPO_NAME -split "/")[0] -eq ($env:APPVEYOR_REPO_NAME -split "/")[0]) {
diff --git a/default_app/default_app.js b/default_app/default_app.js
index 1b9da74e503..0a000433120 100644
--- a/default_app/default_app.js
+++ b/default_app/default_app.js
@@ -1,4 +1,4 @@
-const {app, BrowserWindow} = require('electron')
+const { app, BrowserWindow } = require('electron')
 const path = require('path')
 
 let mainWindow = null
diff --git a/default_app/main.js b/default_app/main.js
index 0e93f684875..e16e67893ea 100644
--- a/default_app/main.js
+++ b/default_app/main.js
@@ -1,4 +1,4 @@
-const {app, dialog, shell, Menu} = require('electron')
+const { app, dialog, shell, Menu } = require('electron')
 
 const fs = require('fs')
 const Module = require('module')
diff --git a/default_app/renderer.js b/default_app/renderer.js
index 977aad7ab9d..e4d10fc27fd 100644
--- a/default_app/renderer.js
+++ b/default_app/renderer.js
@@ -1,4 +1,4 @@
-const {remote, shell} = require('electron')
+const { remote, shell } = require('electron')
 const fs = require('fs')
 const path = require('path')
 const URL = require('url')
@@ -7,7 +7,7 @@ const electronPath = path.relative(process.cwd(), remote.process.execPath)
 Array.from(document.querySelectorAll('a[href]')).forEach(link => {
   // safely add `?utm_source=default_app
   let url = URL.parse(link.getAttribute('href'), true)
-  url.query = Object.assign(url.query, {utm_source: 'default_app'})
+  url.query = Object.assign(url.query, { utm_source: 'default_app' })
   url = URL.format(url)
 
   link.addEventListener('click', (e) => {
diff --git a/docs/api/accelerator.md b/docs/api/accelerator.md
index f90e409043f..260a19f6c64 100644
--- a/docs/api/accelerator.md
+++ b/docs/api/accelerator.md
@@ -16,7 +16,7 @@ using the [`register`](global-shortcut.md#globalshortcutregisteraccelerator-call
 method, i.e.
 
 ```javascript
-const {app, globalShortcut} = require('electron')
+const { app, globalShortcut } = require('electron')
 
 app.on('ready', () => {
   // Register a 'CommandOrControl+Y' shortcut listener.
diff --git a/docs/api/app.md b/docs/api/app.md
index 14dc557e237..905f5017746 100644
--- a/docs/api/app.md
+++ b/docs/api/app.md
@@ -8,7 +8,7 @@ The following example shows how to quit the application when the last window is
 closed:
 
 ```javascript
-const {app} = require('electron')
+const { app } = require('electron')
 app.on('window-all-closed', () => {
   app.quit()
 })
@@ -268,7 +268,7 @@ certificate you should prevent the default behavior with
 `event.preventDefault()` and call `callback(true)`.
 
 ```javascript
-const {app} = require('electron')
+const { app } = require('electron')
 
 app.on('certificate-error', (event, webContents, url, error, certificate, callback) => {
   if (url === 'https://github.com') {
@@ -300,7 +300,7 @@ and `callback` can be called with an entry filtered from the list. Using
 certificate from the store.
 
 ```javascript
-const {app} = require('electron')
+const { app } = require('electron')
 
 app.on('select-client-certificate', (event, webContents, url, list, callback) => {
   event.preventDefault()
@@ -335,7 +335,7 @@ should prevent the default behavior with `event.preventDefault()` and call
 `callback(username, password)` with the credentials.
 
 ```javascript
-const {app} = require('electron')
+const { app } = require('electron')
 
 app.on('login', (event, webContents, request, authInfo, callback) => {
   event.preventDefault()
@@ -375,7 +375,7 @@ Returns:
 Emitted when Electron has created a new `session`.
 
 ```javascript
-const {app} = require('electron')
+const { app } = require('electron')
 
 app.on('session-created', (event, session) => {
   console.log(session)
@@ -448,9 +448,9 @@ An example of restarting current instance immediately and adding a new command
 line argument to the new instance:
 
 ```javascript
-const {app} = require('electron')
+const { app } = require('electron')
 
-app.relaunch({args: process.argv.slice(1).concat(['--relaunch'])})
+app.relaunch({ args: process.argv.slice(1).concat(['--relaunch']) })
 app.exit(0)
 ```
 
@@ -712,7 +712,7 @@ items can be obtained using `app.getJumpListSettings()`.
 Here's a very simple example of creating a custom Jump List:
 
 ```javascript
-const {app} = require('electron')
+const { app } = require('electron')
 
 app.setJumpList([
   {
@@ -798,7 +798,7 @@ An example of activating the window of primary instance when a second instance
 starts:
 
 ```javascript
-const {app} = require('electron')
+const { app } = require('electron')
 let myWindow = null
 
 const gotTheLock = app.requestSingleInstanceLock()
diff --git a/docs/api/breaking-changes.md b/docs/api/breaking-changes.md
index e5e5f00b752..3ce08630c5e 100644
--- a/docs/api/breaking-changes.md
+++ b/docs/api/breaking-changes.md
@@ -49,17 +49,17 @@ app.getAppMetrics()
 
 // Deprecated
 const metrics = app.getAppMetrics()
-const {memory} = metrics[0] // Deprecated property
+const { memory } = metrics[0] // Deprecated property
 ```
 
 ## `BrowserWindow`
 
 ```js
 // Deprecated
-let optionsA = {webPreferences: {blinkFeatures: ''}}
+let optionsA = { webPreferences: { blinkFeatures: '' } }
 let windowA = new BrowserWindow(optionsA)
 // Replace with
-let optionsB = {webPreferences: {enableBlinkFeatures: ''}}
+let optionsB = { webPreferences: { enableBlinkFeatures: '' } }
 let windowB = new BrowserWindow(optionsB)
 
 // Deprecated
@@ -175,9 +175,9 @@ tray.setHighlightMode('off')
 
 ```js
 // Deprecated
-webContents.openDevTools({detach: true})
+webContents.openDevTools({ detach: true })
 // Replace with
-webContents.openDevTools({mode: 'detach'})
+webContents.openDevTools({ mode: 'detach' })
 
 // Removed
 webContents.setSize(options)
@@ -190,12 +190,12 @@ webContents.setSize(options)
 // Deprecated
 webFrame.registerURLSchemeAsSecure('app')
 // Replace with
-protocol.registerStandardSchemes(['app'], {secure: true})
+protocol.registerStandardSchemes(['app'], { secure: true })
 
 // Deprecated
-webFrame.registerURLSchemeAsPrivileged('app', {secure: true})
+webFrame.registerURLSchemeAsPrivileged('app', { secure: true })
 // Replace with
-protocol.registerStandardSchemes(['app'], {secure: true})
+protocol.registerStandardSchemes(['app'], { secure: true })
 ```
 
 ## `<webview>`
@@ -232,10 +232,10 @@ The following list includes the breaking API changes made in Electron 2.0.
 
 ```js
 // Deprecated
-let optionsA = {titleBarStyle: 'hidden-inset'}
+let optionsA = { titleBarStyle: 'hidden-inset' }
 let windowA = new BrowserWindow(optionsA)
 // Replace with
-let optionsB = {titleBarStyle: 'hiddenInset'}
+let optionsB = { titleBarStyle: 'hiddenInset' }
 let windowB = new BrowserWindow(optionsB)
 ```
 
@@ -245,7 +245,7 @@ let windowB = new BrowserWindow(optionsB)
 // Removed
 menu.popup(browserWindow, 100, 200, 2)
 // Replaced with
-menu.popup(browserWindow, {x: 100, y: 200, positioningItem: 2})
+menu.popup(browserWindow, { x: 100, y: 200, positioningItem: 2 })
 ```
 
 ## `nativeImage`
diff --git a/docs/api/browser-view.md b/docs/api/browser-view.md
index ee1780942db..7174d8bb422 100644
--- a/docs/api/browser-view.md
+++ b/docs/api/browser-view.md
@@ -16,9 +16,9 @@ relative to its owning window. It is meant to be an alternative to the
 
 ```javascript
 // In the main process.
-const {BrowserView, BrowserWindow} = require('electron')
+const { BrowserView, BrowserWindow } = require('electron')
 
-let win = new BrowserWindow({width: 800, height: 600})
+let win = new BrowserWindow({ width: 800, height: 600 })
 win.on('closed', () => {
   win = null
 })
diff --git a/docs/api/browser-window.md b/docs/api/browser-window.md
index 3c7f42a86a1..8cdb8a19b54 100644
--- a/docs/api/browser-window.md
+++ b/docs/api/browser-window.md
@@ -6,12 +6,12 @@ Process: [Main](../glossary.md#main-process)
 
 ```javascript
 // In the main process.
-const {BrowserWindow} = require('electron')
+const { BrowserWindow } = require('electron')
 
 // Or use `remote` from the renderer process.
-// const {BrowserWindow} = require('electron').remote
+// const { BrowserWindow } = require('electron').remote
 
-let win = new BrowserWindow({width: 800, height: 600})
+let win = new BrowserWindow({ width: 800, height: 600 })
 win.on('closed', () => {
   win = null
 })
@@ -40,8 +40,8 @@ process has rendered the page for the first time if the window has not been show
 the window after this event will have no visual flash:
 
 ```javascript
-const {BrowserWindow} = require('electron')
-let win = new BrowserWindow({show: false})
+const { BrowserWindow } = require('electron')
+let win = new BrowserWindow({ show: false })
 win.once('ready-to-show', () => {
   win.show()
 })
@@ -58,9 +58,9 @@ the app feel slow. In this case, it is recommended to show the window
 immediately, and use a `backgroundColor` close to your app's background:
 
 ```javascript
-const {BrowserWindow} = require('electron')
+const { BrowserWindow } = require('electron')
 
-let win = new BrowserWindow({backgroundColor: '#2e2c29'})
+let win = new BrowserWindow({ backgroundColor: '#2e2c29' })
 win.loadURL('https://github.com')
 ```
 
@@ -72,10 +72,10 @@ to set `backgroundColor` to make app feel more native.
 By using `parent` option, you can create child windows:
 
 ```javascript
-const {BrowserWindow} = require('electron')
+const { BrowserWindow } = require('electron')
 
 let top = new BrowserWindow()
-let child = new BrowserWindow({parent: top})
+let child = new BrowserWindow({ parent: top })
 child.show()
 top.show()
 ```
@@ -88,9 +88,9 @@ A modal window is a child window that disables parent window, to create a modal
 window, you have to set both `parent` and `modal` options:
 
 ```javascript
-const {BrowserWindow} = require('electron')
+const { BrowserWindow } = require('electron')
 
-let child = new BrowserWindow({parent: top, modal: true, show: false})
+let child = new BrowserWindow({ parent: top, modal: true, show: false })
 child.loadURL('https://github.com')
 child.once('ready-to-show', () => {
   child.show()
@@ -558,7 +558,7 @@ Commands are lowercased, underscores are replaced with hyphens, and the
 e.g. `APPCOMMAND_BROWSER_BACKWARD` is emitted as `browser-backward`.
 
 ```javascript
-const {BrowserWindow} = require('electron')
+const { BrowserWindow } = require('electron')
 let win = new BrowserWindow()
 win.on('app-command', (e, cmd) => {
   // Navigate the window back when the user hits their mouse back button
@@ -692,7 +692,7 @@ an Object containing `name` and `version` properties.
 To check if a DevTools extension is installed you can run the following:
 
 ```javascript
-const {BrowserWindow} = require('electron')
+const { BrowserWindow } = require('electron')
 
 let installed = BrowserWindow.getDevToolsExtensions().hasOwnProperty('devtron')
 console.log(installed)
@@ -706,9 +706,9 @@ is emitted.
 Objects created with `new BrowserWindow` have the following properties:
 
 ```javascript
-const {BrowserWindow} = require('electron')
+const { BrowserWindow } = require('electron')
 // In this example `win` is our instance
-let win = new BrowserWindow({width: 800, height: 600})
+let win = new BrowserWindow({ width: 800, height: 600 })
 win.loadURL('https://github.com')
 ```
 
@@ -1085,7 +1085,7 @@ attached just below the window frame, but you may want to display them beneath
 a HTML-rendered toolbar. For example:
 
 ```javascript
-const {BrowserWindow} = require('electron')
+const { BrowserWindow } = require('electron')
 let win = new BrowserWindow()
 
 let toolbarRect = document.getElementById('toolbar').getBoundingClientRect()
@@ -1354,7 +1354,7 @@ The `flags` is an array that can include following `String`s:
 Sets the region of the window to show as the thumbnail image displayed when
 hovering over the window in the taskbar. You can reset the thumbnail to be
 the entire window by specifying an empty region:
-`{x: 0, y: 0, width: 0, height: 0}`.
+`{ x: 0, y: 0, width: 0, height: 0 }`.
 
 #### `win.setThumbnailToolTip(toolTip)` _Windows_
 
diff --git a/docs/api/chrome-command-line-switches.md b/docs/api/chrome-command-line-switches.md
index b2b28f5adb7..41b77a162ae 100644
--- a/docs/api/chrome-command-line-switches.md
+++ b/docs/api/chrome-command-line-switches.md
@@ -7,7 +7,7 @@ your app's main script before the [ready][ready] event of the [app][app] module
 is emitted:
 
 ```javascript
-const {app} = require('electron')
+const { app } = require('electron')
 app.commandLine.appendSwitch('remote-debugging-port', '8315')
 app.commandLine.appendSwitch('host-rules', 'MAP * 127.0.0.1')
 
@@ -72,7 +72,7 @@ list of hosts. This flag has an effect only if used in tandem with
 For example:
 
 ```javascript
-const {app} = require('electron')
+const { app } = require('electron')
 app.commandLine.appendSwitch('proxy-bypass-list', '<local>;*.google.com;*foo.com;1.2.3.4:5678')
 ```
 
diff --git a/docs/api/clipboard.md b/docs/api/clipboard.md
index ed03a4d35c6..429395877af 100644
--- a/docs/api/clipboard.md
+++ b/docs/api/clipboard.md
@@ -7,7 +7,7 @@ Process: [Main](../glossary.md#main-process), [Renderer](../glossary.md#renderer
 The following example shows how to write a string to the clipboard:
 
 ```javascript
-const {clipboard} = require('electron')
+const { clipboard } = require('electron')
 clipboard.writeText('Example String')
 ```
 
@@ -15,7 +15,7 @@ On X Window systems, there is also a selection clipboard. To manipulate it
 you need to pass `selection` to each method:
 
 ```javascript
-const {clipboard} = require('electron')
+const { clipboard } = require('electron')
 clipboard.writeText('Example String', 'selection')
 console.log(clipboard.readText('selection'))
 ```
@@ -141,7 +141,7 @@ Returns `String[]` - An array of supported formats for the clipboard `type`.
 Returns `Boolean` - Whether the clipboard supports the specified `format`.
 
 ```javascript
-const {clipboard} = require('electron')
+const { clipboard } = require('electron')
 console.log(clipboard.has('<p>selection</p>'))
 ```
 
@@ -176,7 +176,7 @@ Writes the `buffer` into the clipboard as `format`.
 * `type` String (optional)
 
 ```javascript
-const {clipboard} = require('electron')
-clipboard.write({text: 'test', html: '<b>test</b>'})
+const { clipboard } = require('electron')
+clipboard.write({ text: 'test', html: '<b>test</b>' })
 ```
 Writes `data` to the clipboard.
diff --git a/docs/api/content-tracing.md b/docs/api/content-tracing.md
index 158427ddb5b..7fe9f1dd2ff 100644
--- a/docs/api/content-tracing.md
+++ b/docs/api/content-tracing.md
@@ -14,7 +14,7 @@ module is emitted.
 
 
 ```javascript
-const {app, contentTracing} = require('electron')
+const { app, contentTracing } = require('electron')
 
 app.on('ready', () => {
   const options = {
diff --git a/docs/api/cookies.md b/docs/api/cookies.md
index afc20454c8e..813e1fc4fa3 100644
--- a/docs/api/cookies.md
+++ b/docs/api/cookies.md
@@ -10,7 +10,7 @@ a `Session`.
 For example:
 
 ```javascript
-const {session} = require('electron')
+const { session } = require('electron')
 
 // Query all cookies.
 session.defaultSession.cookies.get({}, (error, cookies) => {
@@ -18,13 +18,13 @@ session.defaultSession.cookies.get({}, (error, cookies) => {
 })
 
 // Query all cookies associated with a specific url.
-session.defaultSession.cookies.get({url: 'http://www.github.com'}, (error, cookies) => {
+session.defaultSession.cookies.get({ url: 'http://www.github.com' }, (error, cookies) => {
   console.log(error, cookies)
 })
 
 // Set a cookie with the given cookie data;
 // may overwrite equivalent cookies if they exist.
-const cookie = {url: 'http://www.github.com', name: 'dummy_name', value: 'dummy'}
+const cookie = { url: 'http://www.github.com', name: 'dummy_name', value: 'dummy' }
 session.defaultSession.cookies.set(cookie, (error) => {
   if (error) console.error(error)
 })
diff --git a/docs/api/crash-reporter.md b/docs/api/crash-reporter.md
index 80d266ab563..dcd64a3bbd2 100644
--- a/docs/api/crash-reporter.md
+++ b/docs/api/crash-reporter.md
@@ -8,7 +8,7 @@ The following is an example of automatically submitting a crash report to a
 remote server:
 
 ```javascript
-const {crashReporter} = require('electron')
+const { crashReporter } = require('electron')
 
 crashReporter.start({
   productName: 'YourName',
@@ -71,18 +71,18 @@ first call `start` you can call `addExtraParameter` on macOS or call `start`
 again with the new/updated `extra` parameters on Linux and Windows.
 
 ```js
- const args = [
-   `--reporter-url=${submitURL}`,
-   `--application-name=${productName}`,
-   `--crashes-directory=${crashesDirectory}`
- ]
- const env = {
-   ELECTRON_INTERNAL_CRASH_SERVICE: 1
- }
- spawn(process.execPath, args, {
-   env: env,
-   detached: true
- })
+const args = [
+  `--reporter-url=${submitURL}`,
+  `--application-name=${productName}`,
+  `--crashes-directory=${crashesDirectory}`
+]
+const env = {
+  ELECTRON_INTERNAL_CRASH_SERVICE: 1
+}
+spawn(process.execPath, args, {
+  env: env,
+  detached: true
+})
 ```
 
 **Note:** On macOS, Electron uses a new `crashpad` client for crash collection and reporting.
diff --git a/docs/api/debugger.md b/docs/api/debugger.md
index 1be33833ed8..f044f4a6fa6 100644
--- a/docs/api/debugger.md
+++ b/docs/api/debugger.md
@@ -8,7 +8,7 @@ Chrome Developer Tools has a [special binding][rdp] available at JavaScript
 runtime that allows interacting with pages and instrumenting them.
 
 ```javascript
-const {BrowserWindow} = require('electron')
+const { BrowserWindow } = require('electron')
 let win = new BrowserWindow()
 
 try {
diff --git a/docs/api/desktop-capturer.md b/docs/api/desktop-capturer.md
index 7b897f2ad1b..71d8d263fd7 100644
--- a/docs/api/desktop-capturer.md
+++ b/docs/api/desktop-capturer.md
@@ -10,9 +10,9 @@ title is `Electron`:
 
 ```javascript
 // In the renderer process.
-const {desktopCapturer} = require('electron')
+const { desktopCapturer } = require('electron')
 
-desktopCapturer.getSources({types: ['window', 'screen']}, (error, sources) => {
+desktopCapturer.getSources({ types: ['window', 'screen'] }, (error, sources) => {
   if (error) throw error
   for (let i = 0; i < sources.length; ++i) {
     if (sources[i].name === 'Electron') {
@@ -28,9 +28,8 @@ desktopCapturer.getSources({types: ['window', 'screen']}, (error, sources) => {
             maxHeight: 720
           }
         }
-      })
-      .then((stream) => handleStream(stream))
-      .catch((e) => handleError(e))
+      }).then((stream) => handleStream(stream))
+        .catch((e) => handleError(e))
       return
     }
   }
diff --git a/docs/api/dialog.md b/docs/api/dialog.md
index 11101ae3ec0..72c07336658 100644
--- a/docs/api/dialog.md
+++ b/docs/api/dialog.md
@@ -7,15 +7,15 @@ Process: [Main](../glossary.md#main-process)
 An example of showing a dialog to select multiple files and directories:
 
 ```javascript
-const {dialog} = require('electron')
-console.log(dialog.showOpenDialog({properties: ['openFile', 'openDirectory', 'multiSelections']}))
+const { dialog } = require('electron')
+console.log(dialog.showOpenDialog({ properties: ['openFile', 'openDirectory', 'multiSelections'] }))
 ```
 
 The Dialog is opened from Electron's main thread. If you want to use the dialog
 object from a renderer process, remember to access it using the remote:
 
 ```javascript
-const {dialog} = require('electron').remote
+const { dialog } = require('electron').remote
 console.log(dialog)
 ```
 
@@ -66,10 +66,10 @@ selected when you want to limit the user to a specific type. For example:
 ```javascript
 {
   filters: [
-    {name: 'Images', extensions: ['jpg', 'png', 'gif']},
-    {name: 'Movies', extensions: ['mkv', 'avi', 'mp4']},
-    {name: 'Custom File Type', extensions: ['as']},
-    {name: 'All Files', extensions: ['*']}
+    { name: 'Images', extensions: ['jpg', 'png', 'gif'] },
+    { name: 'Movies', extensions: ['mkv', 'avi', 'mp4'] },
+    { name: 'Custom File Type', extensions: ['as'] },
+    { name: 'All Files', extensions: ['*'] }
   ]
 }
 ```
diff --git a/docs/api/download-item.md b/docs/api/download-item.md
index f5265d26a5d..dcf058a4bc1 100644
--- a/docs/api/download-item.md
+++ b/docs/api/download-item.md
@@ -10,7 +10,7 @@ control the download item.
 
 ```javascript
 // In the main process.
-const {BrowserWindow} = require('electron')
+const { BrowserWindow } = require('electron')
 let win = new BrowserWindow()
 win.webContents.session.on('will-download', (event, item, webContents) => {
   // Set the save path, making Electron not to prompt a save dialog.
diff --git a/docs/api/frameless-window.md b/docs/api/frameless-window.md
index 46e496407a8..596e35dc326 100644
--- a/docs/api/frameless-window.md
+++ b/docs/api/frameless-window.md
@@ -14,8 +14,8 @@ To create a frameless window, you need to set `frame` to `false` in
 
 
 ```javascript
-const {BrowserWindow} = require('electron')
-let win = new BrowserWindow({width: 800, height: 600, frame: false})
+const { BrowserWindow } = require('electron')
+let win = new BrowserWindow({ width: 800, height: 600, frame: false })
 win.show()
 ```
 
@@ -33,8 +33,8 @@ You can do so by specifying the `titleBarStyle` option:
 Results in a hidden title bar and a full size content window, yet the title bar still has the standard window controls (“traffic lights”) in the top left.
 
 ```javascript
-const {BrowserWindow} = require('electron')
-let win = new BrowserWindow({titleBarStyle: 'hidden'})
+const { BrowserWindow } = require('electron')
+let win = new BrowserWindow({ titleBarStyle: 'hidden' })
 win.show()
 ```
 
@@ -43,8 +43,8 @@ win.show()
 Results in a hidden title bar with an alternative look where the traffic light buttons are slightly more inset from the window edge.
 
 ```javascript
-const {BrowserWindow} = require('electron')
-let win = new BrowserWindow({titleBarStyle: 'hiddenInset'})
+const { BrowserWindow } = require('electron')
+let win = new BrowserWindow({ titleBarStyle: 'hiddenInset' })
 win.show()
 ```
 
@@ -56,8 +56,8 @@ with mouse events that occur with the standard window toolbar buttons. This
 option is only applicable for frameless windows.
 
 ```javascript
-const {BrowserWindow} = require('electron')
-let win = new BrowserWindow({titleBarStyle: 'customButtonsOnHover', frame: false})
+const { BrowserWindow } = require('electron')
+let win = new BrowserWindow({ titleBarStyle: 'customButtonsOnHover', frame: false })
 win.show()
 ```
 
@@ -67,8 +67,8 @@ By setting the `transparent` option to `true`, you can also make the frameless
 window transparent:
 
 ```javascript
-const {BrowserWindow} = require('electron')
-let win = new BrowserWindow({transparent: true, frame: false})
+const { BrowserWindow } = require('electron')
+let win = new BrowserWindow({ transparent: true, frame: false })
 win.show()
 ```
 
@@ -98,7 +98,7 @@ events, you can call the [win.setIgnoreMouseEvents(ignore)][ignore-mouse-events]
 API:
 
 ```javascript
-const {BrowserWindow} = require('electron')
+const { BrowserWindow } = require('electron')
 let win = new BrowserWindow()
 win.setIgnoreMouseEvents(true)
 ```
@@ -114,7 +114,7 @@ allowing events such as `mouseleave` to be emitted:
 let win = require('electron').remote.getCurrentWindow()
 let el = document.getElementById('clickThroughElement')
 el.addEventListener('mouseenter', () => {
-  win.setIgnoreMouseEvents(true, {forward: true})
+  win.setIgnoreMouseEvents(true, { forward: true })
 })
 el.addEventListener('mouseleave', () => {
   win.setIgnoreMouseEvents(false)
diff --git a/docs/api/global-shortcut.md b/docs/api/global-shortcut.md
index d0f48a6f805..6632f851de1 100644
--- a/docs/api/global-shortcut.md
+++ b/docs/api/global-shortcut.md
@@ -13,7 +13,7 @@ not have the keyboard focus. You should not use this module until the `ready`
 event of the app module is emitted.
 
 ```javascript
-const {app, globalShortcut} = require('electron')
+const { app, globalShortcut } = require('electron')
 
 app.on('ready', () => {
   // Register a 'CommandOrControl+X' shortcut listener.
diff --git a/docs/api/ipc-main.md b/docs/api/ipc-main.md
index 1dc51f618cc..f4439fe0a6e 100644
--- a/docs/api/ipc-main.md
+++ b/docs/api/ipc-main.md
@@ -25,7 +25,7 @@ processes:
 
 ```javascript
 // In main process.
-const {ipcMain} = require('electron')
+const { ipcMain } = require('electron')
 ipcMain.on('asynchronous-message', (event, arg) => {
   console.log(arg) // prints "ping"
   event.sender.send('asynchronous-reply', 'pong')
@@ -39,7 +39,7 @@ ipcMain.on('synchronous-message', (event, arg) => {
 
 ```javascript
 // In renderer process (web page).
-const {ipcRenderer} = require('electron')
+const { ipcRenderer } = require('electron')
 console.log(ipcRenderer.sendSync('synchronous-message', 'ping')) // prints "pong"
 
 ipcRenderer.on('asynchronous-reply', (event, arg) => {
diff --git a/docs/api/menu.md b/docs/api/menu.md
index e1d6e9958de..21f84c66fa6 100644
--- a/docs/api/menu.md
+++ b/docs/api/menu.md
@@ -149,42 +149,42 @@ An example of creating the application menu in the main process with the
 simple template API:
 
 ```javascript
-const {app, Menu} = require('electron')
+const { app, Menu } = require('electron')
 
 const template = [
   {
     label: 'Edit',
     submenu: [
-      {role: 'undo'},
-      {role: 'redo'},
-      {type: 'separator'},
-      {role: 'cut'},
-      {role: 'copy'},
-      {role: 'paste'},
-      {role: 'pasteandmatchstyle'},
-      {role: 'delete'},
-      {role: 'selectall'}
+      { role: 'undo' },
+      { role: 'redo' },
+      { type: 'separator' },
+      { role: 'cut' },
+      { role: 'copy' },
+      { role: 'paste' },
+      { role: 'pasteandmatchstyle' },
+      { role: 'delete' },
+      { role: 'selectall' }
     ]
   },
   {
     label: 'View',
     submenu: [
-      {role: 'reload'},
-      {role: 'forcereload'},
-      {role: 'toggledevtools'},
-      {type: 'separator'},
-      {role: 'resetzoom'},
-      {role: 'zoomin'},
-      {role: 'zoomout'},
-      {type: 'separator'},
-      {role: 'togglefullscreen'}
+      { role: 'reload' },
+      { role: 'forcereload' },
+      { role: 'toggledevtools' },
+      { type: 'separator' },
+      { role: 'resetzoom' },
+      { role: 'zoomin' },
+      { role: 'zoomout' },
+      { type: 'separator' },
+      { role: 'togglefullscreen' }
     ]
   },
   {
     role: 'window',
     submenu: [
-      {role: 'minimize'},
-      {role: 'close'}
+      { role: 'minimize' },
+      { role: 'close' }
     ]
   },
   {
@@ -202,37 +202,37 @@ if (process.platform === 'darwin') {
   template.unshift({
     label: app.getName(),
     submenu: [
-      {role: 'about'},
-      {type: 'separator'},
-      {role: 'services', submenu: []},
-      {type: 'separator'},
-      {role: 'hide'},
-      {role: 'hideothers'},
-      {role: 'unhide'},
-      {type: 'separator'},
-      {role: 'quit'}
+      { role: 'about' },
+      { type: 'separator' },
+      { role: 'services', submenu: [] },
+      { type: 'separator' },
+      { role: 'hide' },
+      { role: 'hideothers' },
+      { role: 'unhide' },
+      { type: 'separator' },
+      { role: 'quit' }
     ]
   })
 
   // Edit menu
   template[1].submenu.push(
-    {type: 'separator'},
+    { type: 'separator' },
     {
       label: 'Speech',
       submenu: [
-        {role: 'startspeaking'},
-        {role: 'stopspeaking'}
+        { role: 'startspeaking' },
+        { role: 'stopspeaking' }
       ]
     }
   )
 
   // Window menu
   template[3].submenu = [
-    {role: 'close'},
-    {role: 'minimize'},
-    {role: 'zoom'},
-    {type: 'separator'},
-    {role: 'front'}
+    { role: 'close' },
+    { role: 'minimize' },
+    { role: 'zoom' },
+    { type: 'separator' },
+    { role: 'front' }
   ]
 }
 
@@ -249,17 +249,17 @@ the user right clicks the page:
 ```html
 <!-- index.html -->
 <script>
-const {remote} = require('electron')
-const {Menu, MenuItem} = remote
+const { remote } = require('electron')
+const { Menu, MenuItem } = remote
 
 const menu = new Menu()
-menu.append(new MenuItem({label: 'MenuItem1', click() { console.log('item 1 clicked') }}))
-menu.append(new MenuItem({type: 'separator'}))
-menu.append(new MenuItem({label: 'MenuItem2', type: 'checkbox', checked: true}))
+menu.append(new MenuItem({ label: 'MenuItem1', click() { console.log('item 1 clicked') } })))
+menu.append(new MenuItem({ type: 'separator' }))
+menu.append(new MenuItem({ label: 'MenuItem2', type: 'checkbox', checked: true }))
 
 window.addEventListener('contextmenu', (e) => {
   e.preventDefault()
-  menu.popup({window: remote.getCurrentWindow()})
+  menu.popup({ window: remote.getCurrentWindow() })
 }, false)
 </script>
 ```
diff --git a/docs/api/native-image.md b/docs/api/native-image.md
index d2951b5b273..33c37dd3b35 100644
--- a/docs/api/native-image.md
+++ b/docs/api/native-image.md
@@ -11,17 +11,17 @@ For example, when creating a tray or setting a window's icon, you can pass an
 image file path as a `String`:
 
 ```javascript
-const {BrowserWindow, Tray} = require('electron')
+const { BrowserWindow, Tray } = require('electron')
 
 const appIcon = new Tray('/Users/somebody/images/icon.png')
-let win = new BrowserWindow({icon: '/Users/somebody/images/window.png'})
+let win = new BrowserWindow({ icon: '/Users/somebody/images/window.png' })
 console.log(appIcon, win)
 ```
 
 Or read the image from the clipboard which returns a `NativeImage`:
 
 ```javascript
-const {clipboard, Tray} = require('electron')
+const { clipboard, Tray } = require('electron')
 const image = clipboard.readImage()
 const appIcon = new Tray(image)
 console.log(appIcon)
@@ -73,7 +73,7 @@ images/
 
 
 ```javascript
-const {Tray} = require('electron')
+const { Tray } = require('electron')
 let appIcon = new Tray('/Users/somebody/images/icon.png')
 console.log(appIcon)
 ```
diff --git a/docs/api/net-log.md b/docs/api/net-log.md
index 5e82a83a14d..dda984fead9 100644
--- a/docs/api/net-log.md
+++ b/docs/api/net-log.md
@@ -5,7 +5,7 @@
 Process: [Main](../glossary.md#main-process)
 
 ```javascript
-const {netLog} = require('electron')
+const { netLog } = require('electron')
 console.log('Start recording net-logs')
 netLog.startLogging('/path/to/net-log')
 // After some network events
diff --git a/docs/api/net.md b/docs/api/net.md
index e5e59617148..0236923d780 100644
--- a/docs/api/net.md
+++ b/docs/api/net.md
@@ -30,9 +30,9 @@ For instance, the following example quickly shows how the `net` API might be
 used:
 
 ```javascript
-const {app} = require('electron')
+const { app } = require('electron')
 app.on('ready', () => {
-  const {net} = require('electron')
+  const { net } = require('electron')
   const request = net.request('https://github.com')
   request.on('response', (response) => {
     console.log(`STATUS: ${response.statusCode}`)
diff --git a/docs/api/power-monitor.md b/docs/api/power-monitor.md
index 4f45031d53f..95d9e025e85 100644
--- a/docs/api/power-monitor.md
+++ b/docs/api/power-monitor.md
@@ -11,7 +11,7 @@ For example:
 
 ```javascript
 const electron = require('electron')
-const {app} = electron
+const { app } = electron
 
 app.on('ready', () => {
   electron.powerMonitor.on('suspend', () => {
diff --git a/docs/api/power-save-blocker.md b/docs/api/power-save-blocker.md
index ea9a81f3f50..548b02756c6 100644
--- a/docs/api/power-save-blocker.md
+++ b/docs/api/power-save-blocker.md
@@ -7,7 +7,7 @@ Process: [Main](../glossary.md#main-process)
 For example:
 
 ```javascript
-const {powerSaveBlocker} = require('electron')
+const { powerSaveBlocker } = require('electron')
 
 const id = powerSaveBlocker.start('prevent-display-sleep')
 console.log(powerSaveBlocker.isStarted(id))
diff --git a/docs/api/protocol.md b/docs/api/protocol.md
index 4e14a5f8cad..1a6a0f8532a 100644
--- a/docs/api/protocol.md
+++ b/docs/api/protocol.md
@@ -8,13 +8,13 @@ An example of implementing a protocol that has the same effect as the
 `file://` protocol:
 
 ```javascript
-const {app, protocol} = require('electron')
+const { app, protocol } = require('electron')
 const path = require('path')
 
 app.on('ready', () => {
   protocol.registerFileProtocol('atom', (request, callback) => {
     const url = request.url.substr(7)
-    callback({path: path.normalize(`${__dirname}/${url}`)})
+    callback({ path: path.normalize(`${__dirname}/${url}`) })
   }, (error) => {
     if (error) console.error('Failed to register protocol')
   })
@@ -62,7 +62,7 @@ are disabled for non standard schemes. So in general if you want to register a
 custom protocol to replace the `http` protocol, you have to register it as a standard scheme:
 
 ```javascript
-const {app, protocol} = require('electron')
+const { app, protocol } = require('electron')
 
 protocol.registerStandardSchemes(['atom'])
 app.on('ready', () => {
@@ -99,7 +99,7 @@ going to be created with `scheme`. `completion` will be called with
 
 To handle the `request`, the `callback` should be called with either the file's
 path or an object that has a `path` property, e.g. `callback(filePath)` or
-`callback({path: filePath})`.
+`callback({ path: filePath })`.
 
 When `callback` is called with nothing, a number, or an object that has an
 `error` property, the `request` will fail with the `error` number you
@@ -134,10 +134,10 @@ should be called with either a `Buffer` object or an object that has the `data`,
 Example:
 
 ```javascript
-const {protocol} = require('electron')
+const { protocol } = require('electron')
 
 protocol.registerBufferProtocol('atom', (request, callback) => {
-  callback({mimeType: 'text/html', data: Buffer.from('<h5>Response</h5>')})
+  callback({ mimeType: 'text/html', data: Buffer.from('<h5>Response</h5>') })
 }, (error) => {
   if (error) console.error('Failed to register protocol')
 })
@@ -218,8 +218,8 @@ has the `data`, `statusCode`, and `headers` properties.
 Example:
 
 ```javascript
-const {protocol} = require('electron')
-const {PassThrough} = require('stream')
+const { protocol } = require('electron')
+const { PassThrough } = require('stream')
 
 function createStream (text) {
   const rv = new PassThrough() // PassThrough is also a Readable stream
@@ -245,7 +245,7 @@ It is possible to pass any object that implements the readable stream API (emits
 `data`/`end`/`error` events). For example, here's how a file could be returned:
 
 ```javascript
-const {protocol} = require('electron')
+const { protocol } = require('electron')
 const fs = require('fs')
 
 protocol.registerStreamProtocol('atom', (request, callback) => {
diff --git a/docs/api/remote.md b/docs/api/remote.md
index cb7eaec1793..4bff0926162 100644
--- a/docs/api/remote.md
+++ b/docs/api/remote.md
@@ -16,8 +16,8 @@ similar to Java's [RMI][rmi]. An example of creating a browser window from a
 renderer process:
 
 ```javascript
-const {BrowserWindow} = require('electron').remote
-let win = new BrowserWindow({width: 800, height: 600})
+const { BrowserWindow } = require('electron').remote
+let win = new BrowserWindow({ width: 800, height: 600 })
 win.loadURL('https://github.com')
 ```
 
@@ -158,7 +158,7 @@ project/
 
 ```js
 // main process: main/index.js
-const {app} = require('electron')
+const { app } = require('electron')
 app.on('ready', () => { /* ... */ })
 ```
 
diff --git a/docs/api/sandbox-option.md b/docs/api/sandbox-option.md
index 8a9d242fce0..1298eec5db3 100644
--- a/docs/api/sandbox-option.md
+++ b/docs/api/sandbox-option.md
@@ -115,7 +115,7 @@ and preload.js:
 // private scope that can access a subset of Electron renderer APIs. We must be
 // careful to not leak any objects into the global scope!
 const fs = require('fs')
-const {ipcRenderer} = require('electron')
+const { ipcRenderer } = require('electron')
 
 // read a configuration file using the `fs` module
 const buf = fs.readFileSync('allowed-popup-urls.json')
diff --git a/docs/api/screen.md b/docs/api/screen.md
index bb3aed2c413..d847b55abdd 100644
--- a/docs/api/screen.md
+++ b/docs/api/screen.md
@@ -10,19 +10,19 @@ module is emitted.
 `screen` is an [EventEmitter](https://nodejs.org/api/events.html#events_class_eventemitter).
 
 **Note:** In the renderer / DevTools, `window.screen` is a reserved DOM
-property, so writing `let {screen} = require('electron')` will not work.
+property, so writing `let { screen } = require('electron')` will not work.
 
 An example of creating a window that fills the whole screen:
 
 ```javascript
 const electron = require('electron')
-const {app, BrowserWindow} = electron
+const { app, BrowserWindow } = electron
 
 let win
 
 app.on('ready', () => {
-  const {width, height} = electron.screen.getPrimaryDisplay().workAreaSize
-  win = new BrowserWindow({width, height})
+  const { width, height } = electron.screen.getPrimaryDisplay().workAreaSize
+  win = new BrowserWindow({ width, height })
   win.loadURL('https://github.com')
 })
 ```
@@ -31,7 +31,7 @@ Another example of creating a window in the external display:
 
 ```javascript
 const electron = require('electron')
-const {app, BrowserWindow} = require('electron')
+const { app, BrowserWindow } = require('electron')
 
 let win
 
diff --git a/docs/api/session.md b/docs/api/session.md
index e7f782187ba..1d706e9c46f 100644
--- a/docs/api/session.md
+++ b/docs/api/session.md
@@ -10,9 +10,9 @@ You can also access the `session` of existing pages by using the `session`
 property of [`WebContents`](web-contents.md), or from the `session` module.
 
 ```javascript
-const {BrowserWindow} = require('electron')
+const { BrowserWindow } = require('electron')
 
-let win = new BrowserWindow({width: 800, height: 600})
+let win = new BrowserWindow({ width: 800, height: 600 })
 win.loadURL('http://github.com')
 
 const ses = win.webContents.session
@@ -59,7 +59,7 @@ Process: [Main](../glossary.md#main-process)
 You can create a `Session` object in the `session` module:
 
 ```javascript
-const {session} = require('electron')
+const { session } = require('electron')
 const ses = session.fromPartition('persist:name')
 console.log(ses.getUserAgent())
 ```
@@ -80,7 +80,7 @@ Calling `event.preventDefault()` will cancel the download and `item` will not be
 available from next tick of the process.
 
 ```javascript
-const {session} = require('electron')
+const { session } = require('electron')
 session.defaultSession.on('will-download', (event, item, webContents) => {
   event.preventDefault()
   require('request')(item.getURL(), (data) => {
@@ -239,7 +239,7 @@ window.webContents.session.enableNetworkEmulation({
 })
 
 // To emulate a network outage.
-window.webContents.session.enableNetworkEmulation({offline: true})
+window.webContents.session.enableNetworkEmulation({ offline: true })
 ```
 
 #### `ses.disableNetworkEmulation()`
@@ -272,11 +272,11 @@ Calling `setCertificateVerifyProc(null)` will revert back to default certificate
 verify proc.
 
 ```javascript
-const {BrowserWindow} = require('electron')
+const { BrowserWindow } = require('electron')
 let win = new BrowserWindow()
 
 win.webContents.session.setCertificateVerifyProc((request, callback) => {
-  const {hostname} = request
+  const { hostname } = request
   if (hostname === 'github.com') {
     callback(0)
   } else {
@@ -303,7 +303,7 @@ Calling `callback(true)` will allow the permission and `callback(false)` will re
 To clear the handler, call `setPermissionRequestHandler(null)`.
 
 ```javascript
-const {session} = require('electron')
+const { session } = require('electron')
 session.fromPartition('some-partition').setPermissionRequestHandler((webContents, permission, callback) => {
   if (webContents.getURL() === 'some-host' && permission === 'notifications') {
     return callback(false) // denied.
@@ -329,7 +329,7 @@ Returning `true` will allow the permission and `false` will reject it.
 To clear the handler, call `setPermissionCheckHandler(null)`.
 
 ```javascript
-const {session} = require('electron')
+const { session } = require('electron')
 session.fromPartition('some-partition').setPermissionCheckHandler((webContents, permission) => {
   if (webContents.getURL() === 'some-host' && permission === 'notifications') {
     return false // denied
@@ -354,7 +354,7 @@ Dynamically sets whether to always send credentials for HTTP NTLM or Negotiate
 authentication.
 
 ```javascript
-const {session} = require('electron')
+const { session } = require('electron')
 // consider any url ending with `example.com`, `foobar.com`, `baz`
 // for integrated authentication.
 session.defaultSession.allowNTLMCredentialsForDomains('*example.com, *foobar.com, *baz')
@@ -441,14 +441,14 @@ A [WebRequest](web-request.md) object for this session.
 A [Protocol](protocol.md) object for this session.
 
 ```javascript
-const {app, session} = require('electron')
+const { app, session } = require('electron')
 const path = require('path')
 
 app.on('ready', function () {
   const protocol = session.fromPartition('some-partition').protocol
   protocol.registerFileProtocol('atom', function (request, callback) {
     var url = request.url.substr(7)
-    callback({path: path.normalize(`${__dirname}/${url}`)})
+    callback({ path: path.normalize(`${__dirname}/${url}`) })
   }, function (error) {
     if (error) console.error('Failed to register protocol')
   })
diff --git a/docs/api/shell.md b/docs/api/shell.md
index 45d18add854..a469f9455c0 100644
--- a/docs/api/shell.md
+++ b/docs/api/shell.md
@@ -9,7 +9,7 @@ The `shell` module provides functions related to desktop integration.
 An example of opening a URL in the user's default browser:
 
 ```javascript
-const {shell} = require('electron')
+const { shell } = require('electron')
 
 shell.openExternal('https://github.com')
 ```
diff --git a/docs/api/synopsis.md b/docs/api/synopsis.md
index 4325acc3e35..8b3ea560947 100644
--- a/docs/api/synopsis.md
+++ b/docs/api/synopsis.md
@@ -19,11 +19,11 @@ scripts to be able to use those modules.
 The main process script is like a normal Node.js script:
 
 ```javascript
-const {app, BrowserWindow} = require('electron')
+const { app, BrowserWindow } = require('electron')
 let win = null
 
 app.on('ready', () => {
-  win = new BrowserWindow({width: 800, height: 600})
+  win = new BrowserWindow({ width: 800, height: 600 })
   win.loadURL('https://github.com')
 })
 ```
@@ -36,7 +36,7 @@ extra ability to use node modules:
 <html>
 <body>
 <script>
-  const {app} = require('electron').remote
+  const { app } = require('electron').remote
   console.log(app.getVersion())
 </script>
 </body>
@@ -52,7 +52,7 @@ As of 0.37, you can use
 built-in modules.
 
 ```javascript
-const {app, BrowserWindow} = require('electron')
+const { app, BrowserWindow } = require('electron')
 
 let win
 
@@ -67,7 +67,7 @@ destructuring to access the individual modules from `electron`.
 
 ```javascript
 const electron = require('electron')
-const {app, BrowserWindow} = electron
+const { app, BrowserWindow } = electron
 
 let win
 
diff --git a/docs/api/system-preferences.md b/docs/api/system-preferences.md
index 88948789cf3..ab4b91dbaf9 100644
--- a/docs/api/system-preferences.md
+++ b/docs/api/system-preferences.md
@@ -5,7 +5,7 @@
 Process: [Main](../glossary.md#main-process)
 
 ```javascript
-const {systemPreferences} = require('electron')
+const { systemPreferences } = require('electron')
 console.log(systemPreferences.isDarkMode())
 ```
 
@@ -185,8 +185,8 @@ An example of using it to determine if you should create a transparent window or
 not (transparent windows won't work correctly when DWM composition is disabled):
 
 ```javascript
-const {BrowserWindow, systemPreferences} = require('electron')
-let browserOptions = {width: 1000, height: 800}
+const { BrowserWindow, systemPreferences } = require('electron')
+let browserOptions = { width: 1000, height: 800 }
 
 // Make the window transparent only if the platform supports it.
 if (process.platform !== 'win32' || systemPreferences.isAeroGlassEnabled()) {
diff --git a/docs/api/touch-bar.md b/docs/api/touch-bar.md
index dafb75621e5..a5c1f17cd93 100644
--- a/docs/api/touch-bar.md
+++ b/docs/api/touch-bar.md
@@ -36,9 +36,9 @@ Below is an example of a simple slot machine touch bar game with a button
 and some labels.
 
 ```javascript
-const {app, BrowserWindow, TouchBar} = require('electron')
+const { app, BrowserWindow, TouchBar } = require('electron')
 
-const {TouchBarLabel, TouchBarButton, TouchBarSpacer} = TouchBar
+const { TouchBarLabel, TouchBarButton, TouchBarSpacer } = TouchBar
 
 let spinning = false
 
@@ -114,13 +114,13 @@ const finishSpin = () => {
 
 const touchBar = new TouchBar([
   spin,
-  new TouchBarSpacer({size: 'large'}),
+  new TouchBarSpacer({ size: 'large' }),
   reel1,
-  new TouchBarSpacer({size: 'small'}),
+  new TouchBarSpacer({ size: 'small' }),
   reel2,
-  new TouchBarSpacer({size: 'small'}),
+  new TouchBarSpacer({ size: 'small' }),
   reel3,
-  new TouchBarSpacer({size: 'large'}),
+  new TouchBarSpacer({ size: 'large' }),
   result
 ])
 
diff --git a/docs/api/tray.md b/docs/api/tray.md
index 552511e3b3d..b9671676ae2 100644
--- a/docs/api/tray.md
+++ b/docs/api/tray.md
@@ -7,16 +7,16 @@ Process: [Main](../glossary.md#main-process)
 `Tray` is an [EventEmitter][event-emitter].
 
 ```javascript
-const {app, Menu, Tray} = require('electron')
+const { app, Menu, Tray } = require('electron')
 
 let tray = null
 app.on('ready', () => {
   tray = new Tray('/path/to/my/icon')
   const contextMenu = Menu.buildFromTemplate([
-    {label: 'Item1', type: 'radio'},
-    {label: 'Item2', type: 'radio'},
-    {label: 'Item3', type: 'radio', checked: true},
-    {label: 'Item4', type: 'radio'}
+    { label: 'Item1', type: 'radio' },
+    { label: 'Item2', type: 'radio' },
+    { label: 'Item3', type: 'radio', checked: true },
+    { label: 'Item4', type: 'radio' }
   ])
   tray.setToolTip('This is my application.')
   tray.setContextMenu(contextMenu)
@@ -35,14 +35,14 @@ __Platform limitations:__
   you have to call `setContextMenu` again. For example:
 
 ```javascript
-const {app, Menu, Tray} = require('electron')
+const { app, Menu, Tray } = require('electron')
 
 let appIcon = null
 app.on('ready', () => {
   appIcon = new Tray('/path/to/my/icon')
   const contextMenu = Menu.buildFromTemplate([
-    {label: 'Item1', type: 'radio'},
-    {label: 'Item2', type: 'radio'}
+    { label: 'Item1', type: 'radio' },
+    { label: 'Item2', type: 'radio' }
   ])
 
   // Make a change to the context menu
@@ -225,9 +225,9 @@ by toggling between `'never'` and `'always'` modes when the window visibility
 changes.
 
 ```javascript
-const {BrowserWindow, Tray} = require('electron')
+const { BrowserWindow, Tray } = require('electron')
 
-const win = new BrowserWindow({width: 800, height: 600})
+const win = new BrowserWindow({ width: 800, height: 600 })
 const tray = new Tray('/path/to/my/icon')
 
 tray.on('click', () => {
diff --git a/docs/api/web-contents.md b/docs/api/web-contents.md
index abde45cd4a7..f9bc6113177 100644
--- a/docs/api/web-contents.md
+++ b/docs/api/web-contents.md
@@ -11,9 +11,9 @@ the [`BrowserWindow`](browser-window.md) object. An example of accessing the
 `webContents` object:
 
 ```javascript
-const {BrowserWindow} = require('electron')
+const { BrowserWindow } = require('electron')
 
-let win = new BrowserWindow({width: 800, height: 1500})
+let win = new BrowserWindow({ width: 800, height: 1500 })
 win.loadURL('http://github.com')
 
 let contents = win.webContents
@@ -25,7 +25,7 @@ console.log(contents)
 These methods can be accessed from the `webContents` module:
 
 ```javascript
-const {webContents} = require('electron')
+const { webContents } = require('electron')
 console.log(webContents)
 ```
 
@@ -140,7 +140,7 @@ instance, failing to do so may result in unexpected behavior. For example:
 ```javascript
 myBrowserWindow.webContents.on('new-window', (event, url) => {
   event.preventDefault()
-  const win = new BrowserWindow({show: false})
+  const win = new BrowserWindow({ show: false })
   win.once('ready-to-show', () => win.show())
   win.loadURL(url)
   event.newGuest = win
@@ -240,8 +240,8 @@ Calling `event.preventDefault()` will ignore the `beforeunload` event handler
 and allow the page to be unloaded.
 
 ```javascript
-const {BrowserWindow, dialog} = require('electron')
-const win = new BrowserWindow({width: 800, height: 600})
+const { BrowserWindow, dialog } = require('electron')
+const win = new BrowserWindow({ width: 800, height: 600 })
 win.webContents.on('will-prevent-unload', (event) => {
   const choice = dialog.showMessageBox(win, {
     type: 'question',
@@ -312,9 +312,9 @@ To only prevent the menu shortcuts, use
 [`setIgnoreMenuShortcuts`](#contentssetignoremenushortcutsignore-experimental):
 
 ```javascript
-const {BrowserWindow} = require('electron')
+const { BrowserWindow } = require('electron')
 
-let win = new BrowserWindow({width: 800, height: 600})
+let win = new BrowserWindow({ width: 800, height: 600 })
 
 win.webContents.on('before-input-event', (event, input) => {
   // For example, only enable application menu keyboard shortcuts when
@@ -535,13 +535,13 @@ first available device will be selected. `callback` should be called with
 cancel the request.
 
 ```javascript
-const {app, BrowserWindow} = require('electron')
+const { app, BrowserWindow } = require('electron')
 
 let win = null
 app.commandLine.appendSwitch('enable-experimental-web-platform-features')
 
 app.on('ready', () => {
-  win = new BrowserWindow({width: 800, height: 600})
+  win = new BrowserWindow({ width: 800, height: 600 })
   win.webContents.on('select-bluetooth-device', (event, deviceList, callback) => {
     event.preventDefault()
     let result = deviceList.find((device) => {
@@ -568,9 +568,9 @@ Emitted when a new frame is generated. Only the dirty area is passed in the
 buffer.
 
 ```javascript
-const {BrowserWindow} = require('electron')
+const { BrowserWindow } = require('electron')
 
-let win = new BrowserWindow({webPreferences: {offscreen: true}})
+let win = new BrowserWindow({ webPreferences: { offscreen: true } })
 win.webContents.on('paint', (event, dirty, image) => {
   // updateBitmap(dirty, image.getBitmap())
 })
@@ -642,8 +642,8 @@ e.g. the `http://` or `file://`. If the load should bypass http cache then
 use the `pragma` header to achieve it.
 
 ```javascript
-const {webContents} = require('electron')
-const options = {extraHeaders: 'pragma: no-cache\n'}
+const { webContents } = require('electron')
+const options = { extraHeaders: 'pragma: no-cache\n' }
 webContents.loadURL('https://github.com', options)
 ```
 
@@ -685,8 +685,8 @@ Initiates a download of the resource at `url` without navigating. The
 Returns `String` - The URL of the current web page.
 
 ```javascript
-const {BrowserWindow} = require('electron')
-let win = new BrowserWindow({width: 800, height: 600})
+const { BrowserWindow } = require('electron')
+let win = new BrowserWindow({ width: 800, height: 600 })
 win.loadURL('http://github.com')
 
 let currentURL = win.webContents.getURL()
@@ -979,7 +979,7 @@ can be obtained by subscribing to [`found-in-page`](web-contents.md#event-found-
 Stops any `findInPage` request for the `webContents` with the provided `action`.
 
 ```javascript
-const {webContents} = require('electron')
+const { webContents } = require('electron')
 webContents.on('found-in-page', (event, result) => {
   if (result.finalUpdate) webContents.stopFindInPage('clearSelection')
 })
@@ -1037,7 +1037,7 @@ the system's default printer if `deviceName` is empty and the default settings
 for printing.
 
 Calling `window.print()` in web page is equivalent to calling
-`webContents.print({silent: false, printBackground: false, deviceName: ''})`.
+`webContents.print({ silent: false, printBackground: false, deviceName: '' })`.
 
 Use `page-break-before: always; ` CSS style to force to print to a new page.
 
@@ -1080,10 +1080,10 @@ Use `page-break-before: always; ` CSS style to force to print to a new page.
 An example of `webContents.printToPDF`:
 
 ```javascript
-const {BrowserWindow} = require('electron')
+const { BrowserWindow } = require('electron')
 const fs = require('fs')
 
-let win = new BrowserWindow({width: 800, height: 600})
+let win = new BrowserWindow({ width: 800, height: 600 })
 win.loadURL('http://github.com')
 
 win.webContents.on('did-finish-load', () => {
@@ -1106,7 +1106,7 @@ Adds the specified path to DevTools workspace. Must be used after DevTools
 creation:
 
 ```javascript
-const {BrowserWindow} = require('electron')
+const { BrowserWindow } = require('electron')
 let win = new BrowserWindow()
 win.webContents.on('devtools-opened', () => {
   win.webContents.addWorkSpace(__dirname)
@@ -1167,7 +1167,7 @@ An example of showing devtools in a `<webview>` tag:
 An example of showing devtools in a `BrowserWindow`:
 
 ```js
-const {app, BrowserWindow} = require('electron')
+const { app, BrowserWindow } = require('electron')
 
 let win = null
 let devtools = null
@@ -1177,7 +1177,7 @@ app.once('ready', () => {
   devtools = new BrowserWindow()
   win.loadURL('https://github.com')
   win.webContents.setDevToolsWebContents(devtools.webContents)
-  win.webContents.openDevTools({mode: 'detach'})
+  win.webContents.openDevTools({ mode: 'detach' })
 })
 ```
 
@@ -1236,11 +1236,11 @@ An example of sending messages from the main process to the renderer process:
 
 ```javascript
 // In the main process.
-const {app, BrowserWindow} = require('electron')
+const { app, BrowserWindow } = require('electron')
 let win = null
 
 app.on('ready', () => {
-  win = new BrowserWindow({width: 800, height: 600})
+  win = new BrowserWindow({ width: 800, height: 600 })
   win.loadURL(`file://${__dirname}/index.html`)
   win.webContents.on('did-finish-load', () => {
     win.webContents.send('ping', 'whoooooooh!')
@@ -1270,7 +1270,7 @@ app.on('ready', () => {
     * `mobile` - Mobile screen type.
   * `screenSize` [Size](structures/size.md) - Set the emulated screen size (screenPosition == mobile).
   * `viewPosition` [Point](structures/point.md) - Position the view on the screen
-      (screenPosition == mobile) (default: `{x: 0, y: 0}`).
+      (screenPosition == mobile) (default: `{ x: 0, y: 0 }`).
   * `deviceScaleFactor` Integer - Set the device scale factor (if zero defaults to
       original device scale factor) (default: `0`).
   * `viewSize` [Size](structures/size.md) - Set the emulated view size (empty means no override)
@@ -1373,7 +1373,7 @@ the cursor when dragging.
 Returns `Boolean` - true if the process of saving page has been initiated successfully.
 
 ```javascript
-const {BrowserWindow} = require('electron')
+const { BrowserWindow } = require('electron')
 let win = new BrowserWindow()
 
 win.loadURL('https://github.com')
diff --git a/docs/api/web-frame.md b/docs/api/web-frame.md
index 1fcbfbd593d..995b629798b 100644
--- a/docs/api/web-frame.md
+++ b/docs/api/web-frame.md
@@ -11,7 +11,7 @@ be retrieved by certain properties and methods (e.g. `webFrame.firstChild`).
 An example of zooming current page to 200%.
 
 ```javascript
-const {webFrame} = require('electron')
+const { webFrame } = require('electron')
 
 webFrame.setZoomFactor(2)
 ```
@@ -73,7 +73,7 @@ whether the word passed is correctly spelled.
 An example of using [node-spellchecker][spellchecker] as provider:
 
 ```javascript
-const {webFrame} = require('electron')
+const { webFrame } = require('electron')
 webFrame.setSpellCheckProvider('en-US', true, {
   spellCheck (text) {
     return !(require('spellchecker').isMisspelled(text))
@@ -105,7 +105,7 @@ Specify an option with the value of `false` to omit it from the registration.
 An example of registering a privileged scheme, without bypassing Content Security Policy:
 
 ```javascript
-const {webFrame} = require('electron')
+const { webFrame } = require('electron')
 webFrame.registerURLSchemeAsPrivileged('foo', { bypassCSP: false })
 ```
 
@@ -177,7 +177,7 @@ Returns an object describing usage information of Blink's internal memory
 caches.
 
 ```javascript
-const {webFrame} = require('electron')
+const { webFrame } = require('electron')
 console.log(webFrame.getResourceUsage())
 ```
 
diff --git a/docs/api/web-request.md b/docs/api/web-request.md
index 0904db05acc..413d8801331 100644
--- a/docs/api/web-request.md
+++ b/docs/api/web-request.md
@@ -23,7 +23,7 @@ called with a `response` object when `listener` has done its work.
 An example of adding `User-Agent` header for requests:
 
 ```javascript
-const {session} = require('electron')
+const { session } = require('electron')
 
 // Modify the user agent for all requests to the following urls.
 const filter = {
@@ -32,7 +32,7 @@ const filter = {
 
 session.defaultSession.webRequest.onBeforeSendHeaders(filter, (details, callback) => {
   details.requestHeaders['User-Agent'] = 'MyAgent'
-  callback({cancel: false, requestHeaders: details.requestHeaders})
+  callback({ cancel: false, requestHeaders: details.requestHeaders })
 })
 ```
 
diff --git a/docs/api/webview-tag.md b/docs/api/webview-tag.md
index 883109c3e81..de3bf24e934 100644
--- a/docs/api/webview-tag.md
+++ b/docs/api/webview-tag.md
@@ -752,7 +752,7 @@ Fired when the guest page attempts to open a new browser window.
 The following example code opens the new url in system's default browser.
 
 ```javascript
-const {shell} = require('electron')
+const { shell } = require('electron')
 const webview = document.querySelector('webview')
 
 webview.addEventListener('new-window', (e) => {
@@ -844,7 +844,7 @@ webview.send('ping')
 
 ```javascript
 // In guest page.
-const {ipcRenderer} = require('electron')
+const { ipcRenderer } = require('electron')
 ipcRenderer.on('ping', () => {
   ipcRenderer.sendToHost('pong')
 })
diff --git a/docs/development/upgrading-chromium.md b/docs/development/upgrading-chromium.md
index 61c97bbc5c9..0f6fb66d7f6 100644
--- a/docs/development/upgrading-chromium.md
+++ b/docs/development/upgrading-chromium.md
@@ -144,7 +144,7 @@ codecs.
     <video style="display:none" src="http://www.quirksmode.org/html5/videos/big_buck_bunny.mp4" autoplay></video>
     <script>
       const video = document.querySelector('video')
-      video.addEventListener('error', ({target}) => {
+      video.addEventListener('error', ({ target }) => {
         if (target.error.code === target.error.MEDIA_ERR_SRC_NOT_SUPPORTED) {
           document.querySelector('#outcome').textContent = 'Not using proprietary codecs, video emitted source not supported error event.'
         } else {
diff --git a/docs/faq.md b/docs/faq.md
index d72f6610a56..97199890a6d 100644
--- a/docs/faq.md
+++ b/docs/faq.md
@@ -78,7 +78,7 @@ If you want a quick fix, you can make the variables global by changing your
 code from this:
 
 ```javascript
-const {app, Tray} = require('electron')
+const { app, Tray } = require('electron')
 app.on('ready', () => {
   const tray = new Tray('/path/to/icon.png')
   tray.setTitle('hello world')
@@ -88,7 +88,7 @@ app.on('ready', () => {
 to this:
 
 ```javascript
-const {app, Tray} = require('electron')
+const { app, Tray } = require('electron')
 let tray = null
 app.on('ready', () => {
   tray = new Tray('/path/to/icon.png')
@@ -106,7 +106,7 @@ To solve this, you can turn off node integration in Electron:
 
 ```javascript
 // In the main process.
-const {BrowserWindow} = require('electron')
+const { BrowserWindow } = require('electron')
 let win = new BrowserWindow({
   webPreferences: {
     nodeIntegration: false
diff --git a/docs/tutorial/automated-testing-with-a-custom-driver.md b/docs/tutorial/automated-testing-with-a-custom-driver.md
index 4856ac14593..3222885020d 100644
--- a/docs/tutorial/automated-testing-with-a-custom-driver.md
+++ b/docs/tutorial/automated-testing-with-a-custom-driver.md
@@ -11,7 +11,7 @@ var electronPath = require('electron')
 // spawn the process
 var env = { /* ... */ }
 var stdio = ['inherit', 'inherit', 'inherit', 'ipc']
-var appProcess = childProcess.spawn(electronPath, ['./app'], {stdio, env})
+var appProcess = childProcess.spawn(electronPath, ['./app'], { stdio, env })
 
 // listen for IPC messages from the app
 appProcess.on('message', (msg) => {
@@ -19,7 +19,7 @@ appProcess.on('message', (msg) => {
 })
 
 // send an IPC message to the app
-appProcess.send({my: 'message'})
+appProcess.send({ my: 'message' })
 ```
 
 From within the Electron app, you can listen for messages and send replies using the nodejs [process](https://nodejs.org/api/process.html) API:
@@ -31,7 +31,7 @@ process.on('message', (msg) => {
 })
 
 // send an IPC message to the test suite
-process.send({my: 'message'})
+process.send({ my: 'message' })
 ```
 
 We can now communicate from the test suite to the Electron app using the `appProcess` object.
@@ -40,12 +40,12 @@ For convenience, you may want to wrap `appProcess` in a driver object that provi
 
 ```js
 class TestDriver {
-  constructor ({path, args, env}) {
+  constructor ({ path, args, env }) {
     this.rpcCalls = []
 
     // start child process
     env.APP_TEST_DRIVER = 1 // let the app know it should listen for messages
-    this.process = childProcess.spawn(path, args, {stdio: ['inherit', 'inherit', 'inherit', 'ipc'], env})
+    this.process = childProcess.spawn(path, args, { stdio: ['inherit', 'inherit', 'inherit', 'ipc'], env })
 
     // handle rpc responses
     this.process.on('message', (message) => {
@@ -71,8 +71,8 @@ class TestDriver {
   async rpc (cmd, ...args) {
     // send rpc request
     var msgId = this.rpcCalls.length
-    this.process.send({msgId, cmd, args})
-    return new Promise((resolve, reject) => this.rpcCalls.push({resolve, reject}))
+    this.process.send({ msgId, cmd, args })
+    return new Promise((resolve, reject) => this.rpcCalls.push({ resolve, reject }))
   }
 
   stop () {
@@ -88,19 +88,19 @@ if (process.env.APP_TEST_DRIVER) {
   process.on('message', onMessage)
 }
 
-async function onMessage ({msgId, cmd, args}) {
+async function onMessage ({ msgId, cmd, args }) {
   var method = METHODS[cmd]
   if (!method) method = () => new Error('Invalid method: ' + cmd)
   try {
     var resolve = await method(...args)
-    process.send({msgId, resolve})
+    process.send({ msgId, resolve })
   } catch (err) {
     var reject = {
       message: err.message,
       stack: err.stack,
       name: err.name
     }
-    process.send({msgId, reject})
+    process.send({ msgId, reject })
   }
 }
 
diff --git a/docs/tutorial/first-app.md b/docs/tutorial/first-app.md
index 02e582a51cd..44c16ae499f 100644
--- a/docs/tutorial/first-app.md
+++ b/docs/tutorial/first-app.md
@@ -105,11 +105,11 @@ using the `electron.BrowserWindow` class. A simple `main.js` file might wait
 for the application to be ready and open a window:
 
 ```javascript
-const {app, BrowserWindow} = require('electron')
+const { app, BrowserWindow } = require('electron')
 
 function createWindow () {
   // Create the browser window.
-  win = new BrowserWindow({width: 800, height: 600})
+  win = new BrowserWindow({ width: 800, height: 600 })
 
   // and load the index.html of the app.
   win.loadFile('index.html')
@@ -124,7 +124,7 @@ might open developer tools, handle the window being closed, or re-create
 windows on macOS if the user clicks on the app's icon in the dock.
 
 ```javascript
-const {app, BrowserWindow} = require('electron')
+const { app, BrowserWindow } = require('electron')
 
 // Keep a global reference of the window object, if you don't, the window will
 // be closed automatically when the JavaScript object is garbage collected.
@@ -132,7 +132,7 @@ let win
 
 function createWindow () {
   // Create the browser window.
-  win = new BrowserWindow({width: 800, height: 600})
+  win = new BrowserWindow({ width: 800, height: 600 })
 
   // and load the index.html of the app.
   win.loadFile('index.html')
diff --git a/docs/tutorial/keyboard-shortcuts.md b/docs/tutorial/keyboard-shortcuts.md
index 15f59a29949..cc3736a7df0 100644
--- a/docs/tutorial/keyboard-shortcuts.md
+++ b/docs/tutorial/keyboard-shortcuts.md
@@ -9,7 +9,7 @@ be triggered only when the app is focused. To do so, specify an
 [`accelerator`] property when creating a [MenuItem].
 
 ```js
-const {Menu, MenuItem} = require('electron')
+const { Menu, MenuItem } = require('electron')
 const menu = new Menu()
 
 menu.append(new MenuItem({
@@ -33,7 +33,7 @@ You can use the [globalShortcut] module to detect keyboard events even when
 the application does not have keyboard focus.
 
 ```js
-const {app, globalShortcut} = require('electron')
+const { app, globalShortcut } = require('electron')
 
 app.on('ready', () => {
   globalShortcut.register('CommandOrControl+X', () => {
diff --git a/docs/tutorial/online-offline-events.md b/docs/tutorial/online-offline-events.md
index b42b9e3df31..82d679183bf 100644
--- a/docs/tutorial/online-offline-events.md
+++ b/docs/tutorial/online-offline-events.md
@@ -11,7 +11,7 @@ Example:
 _main.js_
 
 ```javascript
-const {app, BrowserWindow} = require('electron')
+const { app, BrowserWindow } = require('electron')
 
 let onlineStatusWindow
 
@@ -50,7 +50,7 @@ to the main process and handled as needed, as shown in the following example.
 _main.js_
 
 ```javascript
-const {app, BrowserWindow, ipcMain} = require('electron')
+const { app, BrowserWindow, ipcMain } = require('electron')
 let onlineStatusWindow
 
 app.on('ready', () => {
@@ -70,7 +70,7 @@ _online-status.html_
 <html>
 <body>
 <script>
-  const {ipcRenderer} = require('electron')
+  const { ipcRenderer } = require('electron')
   const updateOnlineStatus = () => {
     ipcRenderer.send('online-status-changed', navigator.onLine ? 'online' : 'offline')
   }
diff --git a/docs/tutorial/security.md b/docs/tutorial/security.md
index 77f5d9632f5..9ff40702748 100644
--- a/docs/tutorial/security.md
+++ b/docs/tutorial/security.md
@@ -361,10 +361,10 @@ which can be set using Electron's
 handler:
 
 ```javascript
-const {session} = require('electron')
+const { session } = require('electron')
 
 session.defaultSession.webRequest.onHeadersReceived((details, callback) => {
-  callback({responseHeaders: `default-src 'none'`})
+  callback({ responseHeaders: `default-src 'none'` })
 })
 ```
 
diff --git a/docs/tutorial/testing-widevine-cdm.md b/docs/tutorial/testing-widevine-cdm.md
index f71f0e642a4..ef992aa5573 100644
--- a/docs/tutorial/testing-widevine-cdm.md
+++ b/docs/tutorial/testing-widevine-cdm.md
@@ -34,7 +34,7 @@ passed before the `ready` event of `app` module gets emitted.
 Example code:
 
 ```javascript
-const {app, BrowserWindow} = require('electron')
+const { app, BrowserWindow } = require('electron')
 
 // You have to pass the directory that contains widevine library here, it is
 // * `libwidevinecdm.dylib` on macOS,
diff --git a/docs/tutorial/using-pepper-flash-plugin.md b/docs/tutorial/using-pepper-flash-plugin.md
index bf01dc63231..d432785bdc5 100644
--- a/docs/tutorial/using-pepper-flash-plugin.md
+++ b/docs/tutorial/using-pepper-flash-plugin.md
@@ -20,7 +20,7 @@ before the app ready event. Also, turn on `plugins` option of `BrowserWindow`.
 For example:
 
 ```javascript
-const {app, BrowserWindow} = require('electron')
+const { app, BrowserWindow } = require('electron')
 const path = require('path')
 
 // Specify flash path, supposing it is placed in the same directory with main.js.
diff --git a/docs/tutorial/using-selenium-and-webdriver.md b/docs/tutorial/using-selenium-and-webdriver.md
index 1ceae13473a..a3abc2ad41c 100644
--- a/docs/tutorial/using-selenium-and-webdriver.md
+++ b/docs/tutorial/using-selenium-and-webdriver.md
@@ -32,13 +32,13 @@ app.start().then(function () {
   return app.browserWindow.isVisible()
 }).then(function (isVisible) {
   // Verify the window is visible
-  assert.equal(isVisible, true)
+  assert.strictEqual(isVisible, true)
 }).then(function () {
   // Get the window's title
   return app.client.getTitle()
 }).then(function (title) {
   // Verify the window's title
-  assert.equal(title, 'My App')
+  assert.strictEqual(title, 'My App')
 }).catch(function (error) {
   // Log any failures
   console.error('Test failed', error.message)
@@ -135,12 +135,12 @@ $ npm install webdriverio
 const webdriverio = require('webdriverio')
 const options = {
   host: 'localhost', // Use localhost as chrome driver server
-  port: 9515,        // "9515" is the port opened by chrome driver.
+  port: 9515, // "9515" is the port opened by chrome driver.
   desiredCapabilities: {
     browserName: 'chrome',
     chromeOptions: {
       binary: '/Path-to-Your-App/electron', // Path to your Electron binary.
-      args: [/* cli arguments */]           // Optional, perhaps 'app=' + /path/to/your/app/
+      args: [/* cli arguments */] // Optional, perhaps 'app=' + /path/to/your/app/
     }
   }
 }
diff --git a/docs/tutorial/windows-taskbar.md b/docs/tutorial/windows-taskbar.md
index 1f9a3d56d3f..e7536b10edc 100644
--- a/docs/tutorial/windows-taskbar.md
+++ b/docs/tutorial/windows-taskbar.md
@@ -148,7 +148,7 @@ To set the overlay icon for a window, you can use the
 [BrowserWindow.setOverlayIcon][setoverlayicon] API:
 
 ```javascript
-const {BrowserWindow} = require('electron')
+const { BrowserWindow } = require('electron')
 let win = new BrowserWindow()
 win.setOverlayIcon('path/to/overlay.png', 'Description for overlay')
 ```
@@ -167,7 +167,7 @@ To flash the BrowserWindow taskbar button, you can use the
 [BrowserWindow.flashFrame][flashframe] API:
 
 ```javascript
-const {BrowserWindow} = require('electron')
+const { BrowserWindow } = require('electron')
 let win = new BrowserWindow()
 win.once('focus', () => win.flashFrame(false))
 win.flashFrame(true)
diff --git a/lib/browser/api/app.js b/lib/browser/api/app.js
index ed100281fc0..5397b92c6c5 100644
--- a/lib/browser/api/app.js
+++ b/lib/browser/api/app.js
@@ -2,14 +2,14 @@
 
 const bindings = process.atomBinding('app')
 const path = require('path')
-const {app, App} = bindings
+const { app, App } = bindings
 
 // Only one app object permitted.
 module.exports = app
 
 const electron = require('electron')
-const {deprecate, Menu} = electron
-const {EventEmitter} = require('events')
+const { deprecate, Menu } = electron
+const { EventEmitter } = require('events')
 
 let dockMenu = null
 
@@ -113,5 +113,5 @@ for (let name of events) {
 }
 
 // Wrappers for native classes.
-const {DownloadItem} = process.atomBinding('download_item')
+const { DownloadItem } = process.atomBinding('download_item')
 Object.setPrototypeOf(DownloadItem.prototype, EventEmitter.prototype)
diff --git a/lib/browser/api/auto-updater/auto-updater-native.js b/lib/browser/api/auto-updater/auto-updater-native.js
index cdd390d0a55..c5ed2a94b91 100644
--- a/lib/browser/api/auto-updater/auto-updater-native.js
+++ b/lib/browser/api/auto-updater/auto-updater-native.js
@@ -1,5 +1,5 @@
 const EventEmitter = require('events').EventEmitter
-const {autoUpdater, AutoUpdater} = process.atomBinding('auto_updater')
+const { autoUpdater, AutoUpdater } = process.atomBinding('auto_updater')
 
 // AutoUpdater is an EventEmitter.
 Object.setPrototypeOf(AutoUpdater.prototype, EventEmitter.prototype)
diff --git a/lib/browser/api/auto-updater/auto-updater-win.js b/lib/browser/api/auto-updater/auto-updater-win.js
index 7fead4aabb4..61b9875c73b 100644
--- a/lib/browser/api/auto-updater/auto-updater-win.js
+++ b/lib/browser/api/auto-updater/auto-updater-win.js
@@ -1,7 +1,7 @@
 'use strict'
 
-const {app} = require('electron')
-const {EventEmitter} = require('events')
+const { app } = require('electron')
+const { EventEmitter } = require('events')
 const squirrelUpdate = require('./squirrel-update-win')
 
 class AutoUpdater extends EventEmitter {
@@ -54,7 +54,7 @@ class AutoUpdater extends EventEmitter {
         if (error != null) {
           return this.emitError(error)
         }
-        const {releaseNotes, version} = update
+        const { releaseNotes, version } = update
         // Date is not available on Windows, so fake it.
         const date = new Date()
         this.emit('update-downloaded', {}, releaseNotes, version, date, this.updateURL, () => {
diff --git a/lib/browser/api/box-layout.js b/lib/browser/api/box-layout.js
index 4dc77f31940..e2876af980e 100644
--- a/lib/browser/api/box-layout.js
+++ b/lib/browser/api/box-layout.js
@@ -2,8 +2,8 @@
 
 const electron = require('electron')
 
-const {LayoutManager} = electron
-const {BoxLayout} = process.atomBinding('box_layout')
+const { LayoutManager } = electron
+const { BoxLayout } = process.atomBinding('box_layout')
 
 Object.setPrototypeOf(BoxLayout.prototype, LayoutManager.prototype)
 
diff --git a/lib/browser/api/browser-view.js b/lib/browser/api/browser-view.js
index 9e7c81de5cb..0779f5f4e3f 100644
--- a/lib/browser/api/browser-view.js
+++ b/lib/browser/api/browser-view.js
@@ -1,7 +1,7 @@
 'use strict'
 
-const {EventEmitter} = require('events')
-const {BrowserView} = process.atomBinding('browser_view')
+const { EventEmitter } = require('events')
+const { BrowserView } = process.atomBinding('browser_view')
 
 Object.setPrototypeOf(BrowserView.prototype, EventEmitter.prototype)
 
diff --git a/lib/browser/api/browser-window.js b/lib/browser/api/browser-window.js
index bb199fa8277..7f083edb127 100644
--- a/lib/browser/api/browser-window.js
+++ b/lib/browser/api/browser-window.js
@@ -1,8 +1,8 @@
 'use strict'
 
 const electron = require('electron')
-const {ipcMain, WebContentsView, TopLevelWindow} = electron
-const {BrowserWindow} = process.atomBinding('window')
+const { ipcMain, WebContentsView, TopLevelWindow } = electron
+const { BrowserWindow } = process.atomBinding('window')
 const v8Util = process.atomBinding('v8_util')
 
 Object.setPrototypeOf(BrowserWindow.prototype, TopLevelWindow.prototype)
@@ -12,35 +12,35 @@ BrowserWindow.prototype._init = function () {
   TopLevelWindow.prototype._init.call(this)
 
   // Avoid recursive require.
-  const {app} = electron
+  const { app } = electron
 
   // Create WebContentsView.
   this.setContentView(new WebContentsView(this.webContents))
 
   // Make new windows requested by links behave like "window.open"
   this.webContents.on('-new-window', (event, url, frameName, disposition,
-                                      additionalFeatures, postData,
-                                      referrer) => {
+    additionalFeatures, postData,
+    referrer) => {
     const options = {
       show: true,
       width: 800,
       height: 600
     }
     ipcMain.emit('ELECTRON_GUEST_WINDOW_MANAGER_INTERNAL_WINDOW_OPEN',
-                 event, url, referrer, frameName, disposition,
-                 options, additionalFeatures, postData)
+      event, url, referrer, frameName, disposition,
+      options, additionalFeatures, postData)
   })
 
   this.webContents.on('-web-contents-created', (event, webContents, url,
-                                                frameName) => {
-    v8Util.setHiddenValue(webContents, 'url-framename', {url, frameName})
+    frameName) => {
+    v8Util.setHiddenValue(webContents, 'url-framename', { url, frameName })
   })
 
   // Create a new browser window for the native implementation of
   // "window.open", used in sandbox and nativeWindowOpen mode
   this.webContents.on('-add-new-contents', (event, webContents, disposition,
-                                            userGesture, left, top, width,
-                                            height) => {
+    userGesture, left, top, width,
+    height) => {
     let urlFrameName = v8Util.getHiddenValue(webContents, 'url-framename')
     if ((disposition !== 'foreground-tab' && disposition !== 'new-window' &&
          disposition !== 'background-tab') || !urlFrameName) {
@@ -48,7 +48,7 @@ BrowserWindow.prototype._init = function () {
       return
     }
 
-    let {url, frameName} = urlFrameName
+    let { url, frameName } = urlFrameName
     v8Util.deleteHiddenValue(webContents, 'url-framename')
     const options = {
       show: true,
@@ -60,7 +60,7 @@ BrowserWindow.prototype._init = function () {
     }
     const referrer = { url: '', policy: 'default' }
     ipcMain.emit('ELECTRON_GUEST_WINDOW_MANAGER_INTERNAL_WINDOW_OPEN',
-                 event, url, referrer, frameName, disposition, options)
+      event, url, referrer, frameName, disposition, options)
   })
 
   // window.resizeTo(...)
@@ -167,7 +167,7 @@ BrowserWindow.fromBrowserView = (browserView) => {
 
 BrowserWindow.fromDevToolsWebContents = (webContents) => {
   for (const window of BrowserWindow.getAllWindows()) {
-    const {devToolsWebContents} = window
+    const { devToolsWebContents } = window
     if (devToolsWebContents != null && devToolsWebContents.equal(webContents)) {
       return window
     }
diff --git a/lib/browser/api/button.js b/lib/browser/api/button.js
index 6c79252891f..5fa353ca085 100644
--- a/lib/browser/api/button.js
+++ b/lib/browser/api/button.js
@@ -2,8 +2,8 @@
 
 const electron = require('electron')
 
-const {View} = electron
-const {Button} = process.atomBinding('button')
+const { View } = electron
+const { Button } = process.atomBinding('button')
 
 Object.setPrototypeOf(Button.prototype, View.prototype)
 
diff --git a/lib/browser/api/dialog.js b/lib/browser/api/dialog.js
index d7545a7687a..fcbea9e6cd6 100644
--- a/lib/browser/api/dialog.js
+++ b/lib/browser/api/dialog.js
@@ -1,6 +1,6 @@
 'use strict'
 
-const {app, BrowserWindow} = require('electron')
+const { app, BrowserWindow } = require('electron')
 const binding = process.atomBinding('dialog')
 const v8Util = process.atomBinding('v8_util')
 
@@ -83,7 +83,7 @@ module.exports = {
       }
     }
 
-    let {buttonLabel, defaultPath, filters, properties, title, message, securityScopedBookmarks = false} = options
+    let { buttonLabel, defaultPath, filters, properties, title, message, securityScopedBookmarks = false } = options
 
     if (properties == null) {
       properties = ['openFile']
@@ -129,7 +129,7 @@ module.exports = {
     const wrappedCallback = typeof callback === 'function' ? function (success, result, bookmarkData) {
       return success ? callback(result, bookmarkData) : callback()
     } : null
-    const settings = {title, buttonLabel, defaultPath, filters, message, securityScopedBookmarks, window}
+    const settings = { title, buttonLabel, defaultPath, filters, message, securityScopedBookmarks, window }
     settings.properties = dialogProperties
     return binding.showOpenDialog(settings, wrappedCallback)
   },
@@ -145,7 +145,7 @@ module.exports = {
       }
     }
 
-    let {buttonLabel, defaultPath, filters, title, message, securityScopedBookmarks = false, nameFieldLabel, showsTagField} = options
+    let { buttonLabel, defaultPath, filters, title, message, securityScopedBookmarks = false, nameFieldLabel, showsTagField } = options
 
     if (title == null) {
       title = ''
@@ -188,7 +188,7 @@ module.exports = {
     const wrappedCallback = typeof callback === 'function' ? function (success, result, bookmarkData) {
       return success ? callback(result, bookmarkData) : callback()
     } : null
-    const settings = {title, buttonLabel, defaultPath, filters, message, securityScopedBookmarks, nameFieldLabel, showsTagField, window}
+    const settings = { title, buttonLabel, defaultPath, filters, message, securityScopedBookmarks, nameFieldLabel, showsTagField, window }
     return binding.showSaveDialog(settings, wrappedCallback)
   },
 
@@ -275,8 +275,8 @@ module.exports = {
 
     const flags = options.noLink ? messageBoxOptions.noLink : 0
     return binding.showMessageBox(messageBoxType, buttons, defaultId, cancelId,
-                                  flags, title, message, detail, checkboxLabel,
-                                  checkboxChecked, icon, window, callback)
+      flags, title, message, detail, checkboxLabel,
+      checkboxChecked, icon, window, callback)
   },
 
   showErrorBox: function (...args) {
@@ -290,7 +290,7 @@ module.exports = {
       throw new TypeError('options must be an object')
     }
 
-    let {certificate, message} = options
+    let { certificate, message } = options
     if (certificate == null || typeof certificate !== 'object') {
       throw new TypeError('certificate must be an object')
     }
diff --git a/lib/browser/api/in-app-purchase.js b/lib/browser/api/in-app-purchase.js
index 2c046f1c208..95f45892a02 100644
--- a/lib/browser/api/in-app-purchase.js
+++ b/lib/browser/api/in-app-purchase.js
@@ -1,8 +1,8 @@
 'use strict'
 
 if (process.platform === 'darwin') {
-  const {EventEmitter} = require('events')
-  const {inAppPurchase, InAppPurchase} = process.atomBinding('in_app_purchase')
+  const { EventEmitter } = require('events')
+  const { inAppPurchase, InAppPurchase } = process.atomBinding('in_app_purchase')
 
   // inAppPurchase is an EventEmitter.
   Object.setPrototypeOf(InAppPurchase.prototype, EventEmitter.prototype)
diff --git a/lib/browser/api/label-button.js b/lib/browser/api/label-button.js
index 9a85cd917b8..1e83ffeffbb 100644
--- a/lib/browser/api/label-button.js
+++ b/lib/browser/api/label-button.js
@@ -2,8 +2,8 @@
 
 const electron = require('electron')
 
-const {Button} = electron
-const {LabelButton} = process.atomBinding('label_button')
+const { Button } = electron
+const { LabelButton } = process.atomBinding('label_button')
 
 Object.setPrototypeOf(LabelButton.prototype, Button.prototype)
 
diff --git a/lib/browser/api/layout-manager.js b/lib/browser/api/layout-manager.js
index 1a850a53450..df635834820 100644
--- a/lib/browser/api/layout-manager.js
+++ b/lib/browser/api/layout-manager.js
@@ -1,6 +1,6 @@
 'use strict'
 
-const {LayoutManager} = process.atomBinding('layout_manager')
+const { LayoutManager } = process.atomBinding('layout_manager')
 
 LayoutManager.prototype._init = function () {
 }
diff --git a/lib/browser/api/menu-item-roles.js b/lib/browser/api/menu-item-roles.js
index 3518796a53e..5cadcf92b2e 100644
--- a/lib/browser/api/menu-item-roles.js
+++ b/lib/browser/api/menu-item-roles.js
@@ -1,4 +1,4 @@
-const {app} = require('electron')
+const { app } = require('electron')
 
 const roles = {
   about: {
@@ -244,7 +244,7 @@ exports.getDefaultAccelerator = (role) => {
 exports.getDefaultSubmenu = (role) => {
   if (!roles.hasOwnProperty(role)) return
 
-  let {submenu} = roles[role]
+  let { submenu } = roles[role]
 
   // remove null items from within the submenu
   if (Array.isArray(submenu)) {
@@ -257,7 +257,7 @@ exports.getDefaultSubmenu = (role) => {
 exports.execute = (role, focusedWindow, focusedWebContents) => {
   if (!canExecuteRole(role)) return false
 
-  const {appMethod, webContentsMethod, windowMethod} = roles[role]
+  const { appMethod, webContentsMethod, windowMethod } = roles[role]
 
   if (appMethod) {
     app[appMethod]()
diff --git a/lib/browser/api/menu-item.js b/lib/browser/api/menu-item.js
index 1f97541607b..7cd1ede02e0 100644
--- a/lib/browser/api/menu-item.js
+++ b/lib/browser/api/menu-item.js
@@ -5,7 +5,7 @@ const roles = require('./menu-item-roles')
 let nextCommandId = 0
 
 const MenuItem = function (options) {
-  const {Menu} = require('electron')
+  const { Menu } = require('electron')
 
   // Preserve extra fields specified by user
   for (let key in options) {
diff --git a/lib/browser/api/menu-utils.js b/lib/browser/api/menu-utils.js
index 283e09933d1..0a60a88c9e9 100644
--- a/lib/browser/api/menu-utils.js
+++ b/lib/browser/api/menu-utils.js
@@ -165,4 +165,4 @@ function sortMenuItems (menuItems) {
   return joined
 }
 
-module.exports = {sortMenuItems}
+module.exports = { sortMenuItems }
diff --git a/lib/browser/api/menu.js b/lib/browser/api/menu.js
index 506e3525c10..9ab7f125110 100644
--- a/lib/browser/api/menu.js
+++ b/lib/browser/api/menu.js
@@ -1,12 +1,12 @@
 'use strict'
 
-const {TopLevelWindow, MenuItem, webContents} = require('electron')
-const {sortMenuItems} = require('./menu-utils')
+const { TopLevelWindow, MenuItem, webContents } = require('electron')
+const { sortMenuItems } = require('./menu-utils')
 const EventEmitter = require('events').EventEmitter
 const v8Util = process.atomBinding('v8_util')
 const bindings = process.atomBinding('menu')
 
-const {Menu} = bindings
+const { Menu } = bindings
 let applicationMenu = null
 let groupIdIndex = 0
 
@@ -51,7 +51,7 @@ Menu.prototype.popup = function (options = {}) {
   if (options == null || typeof options !== 'object') {
     throw new TypeError('Options must be an object')
   }
-  let {window, x, y, positioningItem, callback} = options
+  let { window, x, y, positioningItem, callback } = options
 
   // no callback passed
   if (!callback || typeof callback !== 'function') callback = () => {}
@@ -175,7 +175,7 @@ Menu.buildFromTemplate = function (template) {
 // validate the template against having the wrong attribute
 function areValidTemplateItems (template) {
   return template.every(item =>
-  item != null && typeof item === 'object' && (item.hasOwnProperty('label') || item.hasOwnProperty('role') || item.type === 'separator'))
+    item != null && typeof item === 'object' && (item.hasOwnProperty('label') || item.hasOwnProperty('role') || item.type === 'separator'))
 }
 
 function sortTemplate (template) {
diff --git a/lib/browser/api/module-list.js b/lib/browser/api/module-list.js
index 7878a8e5ec3..9f320c5298e 100644
--- a/lib/browser/api/module-list.js
+++ b/lib/browser/api/module-list.js
@@ -2,42 +2,42 @@ const features = process.atomBinding('features')
 
 // Browser side modules, please sort alphabetically.
 module.exports = [
-  {name: 'app', file: 'app'},
-  {name: 'autoUpdater', file: 'auto-updater'},
-  {name: 'BrowserView', file: 'browser-view'},
-  {name: 'BrowserWindow', file: 'browser-window'},
-  {name: 'contentTracing', file: 'content-tracing'},
-  {name: 'dialog', file: 'dialog'},
-  {name: 'globalShortcut', file: 'global-shortcut'},
-  {name: 'ipcMain', file: 'ipc-main'},
-  {name: 'inAppPurchase', file: 'in-app-purchase'},
-  {name: 'Menu', file: 'menu'},
-  {name: 'MenuItem', file: 'menu-item'},
-  {name: 'net', file: 'net'},
-  {name: 'netLog', file: 'net-log'},
-  {name: 'Notification', file: 'notification'},
-  {name: 'powerMonitor', file: 'power-monitor'},
-  {name: 'powerSaveBlocker', file: 'power-save-blocker'},
-  {name: 'protocol', file: 'protocol'},
-  {name: 'screen', file: 'screen'},
-  {name: 'session', file: 'session'},
-  {name: 'systemPreferences', file: 'system-preferences'},
-  {name: 'TopLevelWindow', file: 'top-level-window'},
-  {name: 'TouchBar', file: 'touch-bar'},
-  {name: 'Tray', file: 'tray'},
-  {name: 'View', file: 'view'},
-  {name: 'webContents', file: 'web-contents'},
-  {name: 'WebContentsView', file: 'web-contents-view'},
+  { name: 'app', file: 'app' },
+  { name: 'autoUpdater', file: 'auto-updater' },
+  { name: 'BrowserView', file: 'browser-view' },
+  { name: 'BrowserWindow', file: 'browser-window' },
+  { name: 'contentTracing', file: 'content-tracing' },
+  { name: 'dialog', file: 'dialog' },
+  { name: 'globalShortcut', file: 'global-shortcut' },
+  { name: 'ipcMain', file: 'ipc-main' },
+  { name: 'inAppPurchase', file: 'in-app-purchase' },
+  { name: 'Menu', file: 'menu' },
+  { name: 'MenuItem', file: 'menu-item' },
+  { name: 'net', file: 'net' },
+  { name: 'netLog', file: 'net-log' },
+  { name: 'Notification', file: 'notification' },
+  { name: 'powerMonitor', file: 'power-monitor' },
+  { name: 'powerSaveBlocker', file: 'power-save-blocker' },
+  { name: 'protocol', file: 'protocol' },
+  { name: 'screen', file: 'screen' },
+  { name: 'session', file: 'session' },
+  { name: 'systemPreferences', file: 'system-preferences' },
+  { name: 'TopLevelWindow', file: 'top-level-window' },
+  { name: 'TouchBar', file: 'touch-bar' },
+  { name: 'Tray', file: 'tray' },
+  { name: 'View', file: 'view' },
+  { name: 'webContents', file: 'web-contents' },
+  { name: 'WebContentsView', file: 'web-contents-view' },
   // The internal modules, invisible unless you know their names.
-  {name: 'NavigationController', file: 'navigation-controller', private: true}
+  { name: 'NavigationController', file: 'navigation-controller', private: true }
 ]
 
 if (features.isViewApiEnabled()) {
   module.exports.push(
-    {name: 'BoxLayout', file: 'box-layout'},
-    {name: 'Button', file: 'button'},
-    {name: 'LabelButton', file: 'label-button'},
-    {name: 'LayoutManager', file: 'layout-manager'},
-    {name: 'TextField', file: 'text-field'}
+    { name: 'BoxLayout', file: 'box-layout' },
+    { name: 'Button', file: 'button' },
+    { name: 'LabelButton', file: 'label-button' },
+    { name: 'LayoutManager', file: 'layout-manager' },
+    { name: 'TextField', file: 'text-field' }
   )
 }
diff --git a/lib/browser/api/navigation-controller.js b/lib/browser/api/navigation-controller.js
index 7eb21ddb3ea..2174d5a4fc9 100644
--- a/lib/browser/api/navigation-controller.js
+++ b/lib/browser/api/navigation-controller.js
@@ -1,6 +1,6 @@
 'use strict'
 
-const {ipcMain} = require('electron')
+const { ipcMain } = require('electron')
 
 // The history operation in renderer is redirected to browser.
 ipcMain.on('ELECTRON_NAVIGATION_CONTROLLER', function (event, method, ...args) {
diff --git a/lib/browser/api/net-log.js b/lib/browser/api/net-log.js
index 09d5244fc2d..d6b66d24b8a 100644
--- a/lib/browser/api/net-log.js
+++ b/lib/browser/api/net-log.js
@@ -1,6 +1,6 @@
 'use strict'
 
-const {netLog, NetLog} = process.atomBinding('net_log')
+const { netLog, NetLog } = process.atomBinding('net_log')
 
 NetLog.prototype.stopLogging = function (callback) {
   if (callback && typeof callback !== 'function') {
diff --git a/lib/browser/api/net.js b/lib/browser/api/net.js
index 3f2d470a270..08f8f8d1f59 100644
--- a/lib/browser/api/net.js
+++ b/lib/browser/api/net.js
@@ -1,12 +1,12 @@
 'use strict'
 
 const url = require('url')
-const {EventEmitter} = require('events')
-const {Readable} = require('stream')
-const {app} = require('electron')
-const {Session} = process.atomBinding('session')
-const {net, Net} = process.atomBinding('net')
-const {URLRequest} = net
+const { EventEmitter } = require('events')
+const { Readable } = require('stream')
+const { app } = require('electron')
+const { Session } = process.atomBinding('session')
+const { net, Net } = process.atomBinding('net')
+const { URLRequest } = net
 
 // Net is an EventEmitter.
 Object.setPrototypeOf(Net.prototype, EventEmitter.prototype)
diff --git a/lib/browser/api/notification.js b/lib/browser/api/notification.js
index d9885ae2aa2..19eca809f2d 100644
--- a/lib/browser/api/notification.js
+++ b/lib/browser/api/notification.js
@@ -1,5 +1,5 @@
-const {EventEmitter} = require('events')
-const {Notification, isSupported} = process.atomBinding('notification')
+const { EventEmitter } = require('events')
+const { Notification, isSupported } = process.atomBinding('notification')
 
 Object.setPrototypeOf(Notification.prototype, EventEmitter.prototype)
 
diff --git a/lib/browser/api/power-monitor.js b/lib/browser/api/power-monitor.js
index deeda3bd4d4..8890b6eb591 100644
--- a/lib/browser/api/power-monitor.js
+++ b/lib/browser/api/power-monitor.js
@@ -1,5 +1,5 @@
-const {EventEmitter} = require('events')
-const {powerMonitor, PowerMonitor} = process.atomBinding('power_monitor')
+const { EventEmitter } = require('events')
+const { powerMonitor, PowerMonitor } = process.atomBinding('power_monitor')
 
 // PowerMonitor is an EventEmitter.
 Object.setPrototypeOf(PowerMonitor.prototype, EventEmitter.prototype)
diff --git a/lib/browser/api/protocol.js b/lib/browser/api/protocol.js
index ab7f89bef55..cca01da05bc 100644
--- a/lib/browser/api/protocol.js
+++ b/lib/browser/api/protocol.js
@@ -1,4 +1,4 @@
-const {app, session} = require('electron')
+const { app, session } = require('electron')
 
 // Global protocol APIs.
 module.exports = process.atomBinding('protocol')
diff --git a/lib/browser/api/screen.js b/lib/browser/api/screen.js
index 8287bfa8bfd..3a911504b6b 100644
--- a/lib/browser/api/screen.js
+++ b/lib/browser/api/screen.js
@@ -1,5 +1,5 @@
-const {EventEmitter} = require('events')
-const {screen, Screen} = process.atomBinding('screen')
+const { EventEmitter } = require('events')
+const { screen, Screen } = process.atomBinding('screen')
 
 // Screen is an EventEmitter.
 Object.setPrototypeOf(Screen.prototype, EventEmitter.prototype)
diff --git a/lib/browser/api/session.js b/lib/browser/api/session.js
index ac47244db32..60fed0ce687 100644
--- a/lib/browser/api/session.js
+++ b/lib/browser/api/session.js
@@ -1,6 +1,6 @@
-const {EventEmitter} = require('events')
-const {app} = require('electron')
-const {fromPartition, Session, Cookies} = process.atomBinding('session')
+const { EventEmitter } = require('events')
+const { app } = require('electron')
+const { fromPartition, Session, Cookies } = process.atomBinding('session')
 
 // Public API.
 Object.defineProperties(exports, {
diff --git a/lib/browser/api/system-preferences.js b/lib/browser/api/system-preferences.js
index e4485d3d872..5d963baae84 100644
--- a/lib/browser/api/system-preferences.js
+++ b/lib/browser/api/system-preferences.js
@@ -1,5 +1,5 @@
-const {EventEmitter} = require('events')
-const {systemPreferences, SystemPreferences} = process.atomBinding('system_preferences')
+const { EventEmitter } = require('events')
+const { systemPreferences, SystemPreferences } = process.atomBinding('system_preferences')
 
 // SystemPreferences is an EventEmitter.
 Object.setPrototypeOf(SystemPreferences.prototype, EventEmitter.prototype)
diff --git a/lib/browser/api/text-field.js b/lib/browser/api/text-field.js
index 4b96ce27ea7..908d967a48b 100644
--- a/lib/browser/api/text-field.js
+++ b/lib/browser/api/text-field.js
@@ -2,8 +2,8 @@
 
 const electron = require('electron')
 
-const {View} = electron
-const {TextField} = process.atomBinding('text_field')
+const { View } = electron
+const { TextField } = process.atomBinding('text_field')
 
 Object.setPrototypeOf(TextField.prototype, View.prototype)
 
diff --git a/lib/browser/api/top-level-window.js b/lib/browser/api/top-level-window.js
index d798314e96f..c7770ad27c5 100644
--- a/lib/browser/api/top-level-window.js
+++ b/lib/browser/api/top-level-window.js
@@ -1,14 +1,14 @@
 'use strict'
 
 const electron = require('electron')
-const {EventEmitter} = require('events')
-const {TopLevelWindow} = process.atomBinding('top_level_window')
+const { EventEmitter } = require('events')
+const { TopLevelWindow } = process.atomBinding('top_level_window')
 
 Object.setPrototypeOf(TopLevelWindow.prototype, EventEmitter.prototype)
 
 TopLevelWindow.prototype._init = function () {
   // Avoid recursive require.
-  const {app} = electron
+  const { app } = electron
 
   // Simulate the application menu on platforms other than macOS.
   if (process.platform !== 'darwin') {
diff --git a/lib/browser/api/touch-bar.js b/lib/browser/api/touch-bar.js
index 72c50f6ff19..bb65e20cadb 100644
--- a/lib/browser/api/touch-bar.js
+++ b/lib/browser/api/touch-bar.js
@@ -1,4 +1,4 @@
-const {EventEmitter} = require('events')
+const { EventEmitter } = require('events')
 
 let nextItemID = 1
 
@@ -27,7 +27,7 @@ class TouchBar extends EventEmitter {
       throw new Error('Must specify options object as first argument')
     }
 
-    let {items, escapeItem} = options
+    let { items, escapeItem } = options
 
     // FIXME Support array as first argument, remove in 2.0
     if (Array.isArray(options)) {
@@ -83,7 +83,7 @@ class TouchBar extends EventEmitter {
   }
 
   _addToWindow (window) {
-    const {id} = window
+    const { id } = window
 
     // Already added to window
     if (this.windowListeners.hasOwnProperty(id)) return
@@ -195,7 +195,7 @@ TouchBar.TouchBarButton = class TouchBarButton extends TouchBarItem {
     super()
     if (config == null) config = {}
     this._addImmutableProperty('type', 'button')
-    const {click, icon, iconPosition, label, backgroundColor} = config
+    const { click, icon, iconPosition, label, backgroundColor } = config
     this._addLiveProperty('label', label)
     this._addLiveProperty('backgroundColor', backgroundColor)
     this._addLiveProperty('icon', icon)
@@ -213,7 +213,7 @@ TouchBar.TouchBarColorPicker = class TouchBarColorPicker extends TouchBarItem {
     super()
     if (config == null) config = {}
     this._addImmutableProperty('type', 'colorpicker')
-    const {availableColors, change, selectedColor} = config
+    const { availableColors, change, selectedColor } = config
     this._addLiveProperty('availableColors', availableColors)
     this._addLiveProperty('selectedColor', selectedColor)
 
@@ -266,7 +266,7 @@ TouchBar.TouchBarSlider = class TouchBarSlider extends TouchBarItem {
     super()
     if (config == null) config = {}
     this._addImmutableProperty('type', 'slider')
-    const {change, label, minValue, maxValue, value} = config
+    const { change, label, minValue, maxValue, value } = config
     this._addLiveProperty('label', label)
     this._addLiveProperty('minValue', minValue)
     this._addLiveProperty('maxValue', maxValue)
@@ -294,7 +294,7 @@ TouchBar.TouchBarSegmentedControl = class TouchBarSegmentedControl extends Touch
   constructor (config) {
     super()
     if (config == null) config = {}
-    const {segmentStyle, segments, selectedIndex, change, mode} = config
+    const { segmentStyle, segments, selectedIndex, change, mode } = config
     this._addImmutableProperty('type', 'segmented_control')
     this._addLiveProperty('segmentStyle', segmentStyle)
     this._addLiveProperty('segments', segments || [])
@@ -314,8 +314,8 @@ TouchBar.TouchBarScrubber = class TouchBarScrubber extends TouchBarItem {
   constructor (config) {
     super()
     if (config == null) config = {}
-    const {items, selectedStyle, overlayStyle, showArrowButtons, continuous, mode} = config
-    let {select, highlight} = config
+    const { items, selectedStyle, overlayStyle, showArrowButtons, continuous, mode } = config
+    let { select, highlight } = config
     this._addImmutableProperty('type', 'scrubber')
     this._addLiveProperty('items', items)
     this._addLiveProperty('selectedStyle', selectedStyle || null)
diff --git a/lib/browser/api/tray.js b/lib/browser/api/tray.js
index bc0a9d26f65..6f01540e39c 100644
--- a/lib/browser/api/tray.js
+++ b/lib/browser/api/tray.js
@@ -1,5 +1,5 @@
-const {EventEmitter} = require('events')
-const {Tray} = process.atomBinding('tray')
+const { EventEmitter } = require('events')
+const { Tray } = process.atomBinding('tray')
 
 Object.setPrototypeOf(Tray.prototype, EventEmitter.prototype)
 
diff --git a/lib/browser/api/view.js b/lib/browser/api/view.js
index 53fb96e3faf..cf39f8bb86e 100644
--- a/lib/browser/api/view.js
+++ b/lib/browser/api/view.js
@@ -1,7 +1,7 @@
 'use strict'
 
-const {EventEmitter} = require('events')
-const {View} = process.atomBinding('view')
+const { EventEmitter } = require('events')
+const { View } = process.atomBinding('view')
 
 Object.setPrototypeOf(View.prototype, EventEmitter.prototype)
 
diff --git a/lib/browser/api/web-contents-view.js b/lib/browser/api/web-contents-view.js
index d7428db7a05..89f36e84f76 100644
--- a/lib/browser/api/web-contents-view.js
+++ b/lib/browser/api/web-contents-view.js
@@ -2,8 +2,8 @@
 
 const electron = require('electron')
 
-const {View} = electron
-const {WebContentsView} = process.atomBinding('web_contents_view')
+const { View } = electron
+const { WebContentsView } = process.atomBinding('web_contents_view')
 
 Object.setPrototypeOf(WebContentsView.prototype, View.prototype)
 
diff --git a/lib/browser/api/web-contents.js b/lib/browser/api/web-contents.js
index 11080fc7de1..f7a3394a57e 100644
--- a/lib/browser/api/web-contents.js
+++ b/lib/browser/api/web-contents.js
@@ -1,10 +1,10 @@
 'use strict'
 
-const {EventEmitter} = require('events')
+const { EventEmitter } = require('events')
 const electron = require('electron')
 const path = require('path')
 const url = require('url')
-const {app, ipcMain, session, NavigationController, deprecate} = electron
+const { app, ipcMain, session, NavigationController, deprecate } = electron
 
 const errorUtils = require('../../common/error-utils')
 
@@ -90,7 +90,7 @@ const defaultPrintingSetting = {
 
 // JavaScript implementations of WebContents.
 const binding = process.atomBinding('web_contents')
-const {WebContents} = binding
+const { WebContents } = binding
 
 Object.setPrototypeOf(NavigationController.prototype, EventEmitter.prototype)
 Object.setPrototypeOf(WebContents.prototype, NavigationController.prototype)
@@ -216,7 +216,7 @@ WebContents.prototype.loadFile = function (filePath, options = {}) {
   if (typeof filePath !== 'string') {
     throw new Error('Must pass filePath as a string')
   }
-  const {query, search, hash} = options
+  const { query, search, hash } = options
 
   return this.loadURL(url.format({
     protocol: 'file',
@@ -285,7 +285,7 @@ WebContents.prototype._init = function () {
 }
 
 // JavaScript wrapper of Debugger.
-const {Debugger} = process.atomBinding('debugger')
+const { Debugger } = process.atomBinding('debugger')
 
 Object.setPrototypeOf(Debugger.prototype, EventEmitter.prototype)
 
diff --git a/lib/browser/chrome-extension.js b/lib/browser/chrome-extension.js
index 4132aedadd7..17d4b6dbe1b 100644
--- a/lib/browser/chrome-extension.js
+++ b/lib/browser/chrome-extension.js
@@ -1,15 +1,15 @@
-const {app, ipcMain, webContents, BrowserWindow} = require('electron')
-const {getAllWebContents} = process.atomBinding('web_contents')
+const { app, ipcMain, webContents, BrowserWindow } = require('electron')
+const { getAllWebContents } = process.atomBinding('web_contents')
 const renderProcessPreferences = process.atomBinding('render_process_preferences').forAllWebContents()
 
-const {Buffer} = require('buffer')
+const { Buffer } = require('buffer')
 const fs = require('fs')
 const path = require('path')
 const url = require('url')
 
 // Mapping between extensionId(hostname) and manifest.
-const manifestMap = {}  // extensionId => manifest
-const manifestNameMap = {}  // name => manifest
+const manifestMap = {} // extensionId => manifest
+const manifestNameMap = {} // name => manifest
 const devToolsExtensionNames = new Set()
 
 const generateExtensionIdFromName = function (name) {
@@ -154,7 +154,7 @@ ipcMain.on('CHROME_RUNTIME_CONNECT', function (event, extensionId, connectInfo)
   }
 
   const portId = ++nextId
-  event.returnValue = {tabId: page.webContents.id, portId: portId}
+  event.returnValue = { tabId: page.webContents.id, portId: portId }
 
   event.sender.once('render-view-deleted', () => {
     if (page.webContents.isDestroyed()) return
@@ -318,7 +318,7 @@ const chromeExtensionHandler = function (request, callback) {
     if (err) {
       // Disabled due to false positive in StandardJS
       // eslint-disable-next-line standard/no-callback-literal
-      return callback(-6)  // FILE_NOT_FOUND
+      return callback(-6) // FILE_NOT_FOUND
     } else {
       return callback(content)
     }
@@ -399,7 +399,7 @@ app.once('ready', function () {
     const extensions = {}
     Object.keys(manifestNameMap).forEach(function (name) {
       const manifest = manifestNameMap[name]
-      extensions[name] = {name: manifest.name, version: manifest.version}
+      extensions[name] = { name: manifest.name, version: manifest.version }
     })
     return extensions
   }
diff --git a/lib/browser/desktop-capturer.js b/lib/browser/desktop-capturer.js
index c7fe1abf67c..8d31217c055 100644
--- a/lib/browser/desktop-capturer.js
+++ b/lib/browser/desktop-capturer.js
@@ -1,7 +1,7 @@
 'use strict'
 
-const {ipcMain} = require('electron')
-const {desktopCapturer} = process.atomBinding('desktop_capturer')
+const { ipcMain } = require('electron')
+const { desktopCapturer } = process.atomBinding('desktop_capturer')
 
 const deepEqual = (a, b) => JSON.stringify(a) === JSON.stringify(b)
 
@@ -65,7 +65,7 @@ desktopCapturer.emit = (event, name, sources) => {
 
   // If the requestsQueue is not empty, start a new request handling.
   if (requestsQueue.length > 0) {
-    const {captureWindow, captureScreen, thumbnailSize} = requestsQueue[0].options
+    const { captureWindow, captureScreen, thumbnailSize } = requestsQueue[0].options
     return desktopCapturer.startHandling(captureWindow, captureScreen, thumbnailSize)
   }
 }
diff --git a/lib/browser/guest-view-manager.js b/lib/browser/guest-view-manager.js
index b9ff71035bc..c01a4a15fd6 100644
--- a/lib/browser/guest-view-manager.js
+++ b/lib/browser/guest-view-manager.js
@@ -1,6 +1,6 @@
 'use strict'
 
-const {ipcMain, webContents} = require('electron')
+const { ipcMain, webContents } = require('electron')
 const parseFeaturesString = require('../common/parse-features-string')
 
 // Doesn't exist in early initialization.
@@ -191,7 +191,7 @@ const attachGuest = function (event, embedderFrameId, elementInstanceId, guestIn
   if (!guestInstance) {
     return
   }
-  const {guest} = guestInstance
+  const { guest } = guestInstance
 
   // If this guest is already attached to an element then remove it
   if (guestInstance.elementInstanceId) {
diff --git a/lib/browser/guest-window-manager.js b/lib/browser/guest-window-manager.js
index 7253c1942b0..5e67949e171 100644
--- a/lib/browser/guest-window-manager.js
+++ b/lib/browser/guest-window-manager.js
@@ -1,7 +1,7 @@
 'use strict'
 
-const {BrowserWindow, ipcMain, webContents} = require('electron')
-const {isSameOrigin} = process.atomBinding('v8_util')
+const { BrowserWindow, ipcMain, webContents } = require('electron')
+const { isSameOrigin } = process.atomBinding('v8_util')
 const parseFeaturesString = require('../common/parse-features-string')
 
 const hasProp = {}.hasOwnProperty
@@ -52,7 +52,7 @@ const mergeBrowserWindowOptions = function (embedder, options) {
     // if parent's visibility is available, that overrides 'show' flag (#12125)
     const win = BrowserWindow.fromWebContents(embedder.webContents)
     if (win != null) {
-      parentOptions = {...embedder.browserWindowOptions, show: win.isVisible()}
+      parentOptions = { ...embedder.browserWindowOptions, show: win.isVisible() }
     }
 
     // Inherit the original options if it is a BrowserWindow.
@@ -247,16 +247,16 @@ ipcMain.on('ELECTRON_GUEST_WINDOW_MANAGER_WINDOW_OPEN', (event, url, frameName,
 
   const referrer = { url: '', policy: 'default' }
   ipcMain.emit('ELECTRON_GUEST_WINDOW_MANAGER_INTERNAL_WINDOW_OPEN', event,
-               url, referrer, frameName, disposition, options, additionalFeatures)
+    url, referrer, frameName, disposition, options, additionalFeatures)
 })
 
 // Routed window.open messages with fully parsed options
 ipcMain.on('ELECTRON_GUEST_WINDOW_MANAGER_INTERNAL_WINDOW_OPEN', function (event, url, referrer,
-                                                                  frameName, disposition, options,
-                                                                  additionalFeatures, postData) {
+  frameName, disposition, options,
+  additionalFeatures, postData) {
   options = mergeBrowserWindowOptions(event.sender, options)
   event.sender.emit('new-window', event, url, frameName, disposition, options, additionalFeatures, referrer)
-  const {newGuest} = event
+  const { newGuest } = event
   if ((event.sender.isGuest() && !event.sender.allowPopups) || event.defaultPrevented) {
     if (newGuest != null) {
       if (options.webContents === newGuest.webContents) {
diff --git a/lib/browser/init.js b/lib/browser/init.js
index bed3d912ab8..db61e32b716 100644
--- a/lib/browser/init.js
+++ b/lib/browser/init.js
@@ -1,6 +1,6 @@
 'use strict'
 
-const {Buffer} = require('buffer')
+const { Buffer } = require('buffer')
 const fs = require('fs')
 const path = require('path')
 const util = require('util')
@@ -58,7 +58,7 @@ process.on('uncaughtException', function (error) {
 })
 
 // Emit 'exit' event on quit.
-const {app} = require('electron')
+const { app } = require('electron')
 
 app.on('quit', function (event, exitCode) {
   process.emit('exit', exitCode)
diff --git a/lib/browser/rpc-server.js b/lib/browser/rpc-server.js
index 6df25ff3bd5..845075d0b06 100644
--- a/lib/browser/rpc-server.js
+++ b/lib/browser/rpc-server.js
@@ -1,11 +1,11 @@
 'use strict'
 
 const electron = require('electron')
-const {EventEmitter} = require('events')
+const { EventEmitter } = require('events')
 const fs = require('fs')
 const v8Util = process.atomBinding('v8_util')
 
-const {ipcMain, isPromise} = electron
+const { ipcMain, isPromise } = electron
 
 const objectsRegistry = require('./objects-registry')
 const bufferUtils = require('../common/buffer-utils')
@@ -34,7 +34,7 @@ const getObjectMembers = function (object) {
   // Map properties to descriptors.
   return names.map((name) => {
     let descriptor = Object.getOwnPropertyDescriptor(object, name)
-    let member = {name, enumerable: descriptor.enumerable, writable: false}
+    let member = { name, enumerable: descriptor.enumerable, writable: false }
     if (descriptor.get === undefined && typeof object[name] === 'function') {
       member.type = 'method'
     } else {
@@ -190,7 +190,7 @@ const unwrapArgs = function (sender, contextId, args) {
         let ret = {}
         Object.defineProperty(ret.constructor, 'name', { value: meta.name })
 
-        for (const {name, value} of meta.members) {
+        for (const { name, value } of meta.members) {
           ret[name] = metaToValue(value)
         }
         return ret
@@ -404,7 +404,7 @@ ipcMain.on('ELECTRON_BROWSER_SANDBOX_LOAD', function (event) {
     try {
       preloadSrc = fs.readFileSync(preloadPath).toString()
     } catch (err) {
-      preloadError = {stack: err ? err.stack : (new Error(`Failed to load "${preloadPath}"`)).stack}
+      preloadError = { stack: err ? err.stack : (new Error(`Failed to load "${preloadPath}"`)).stack }
     }
   }
   event.returnValue = {
diff --git a/lib/common/api/crash-reporter.js b/lib/common/api/crash-reporter.js
index 1090d425e4c..737e9a24d03 100644
--- a/lib/common/api/crash-reporter.js
+++ b/lib/common/api/crash-reporter.js
@@ -1,10 +1,10 @@
 'use strict'
 
-const {spawn} = require('child_process')
+const { spawn } = require('child_process')
 const os = require('os')
 const path = require('path')
 const electron = require('electron')
-const {app} = process.type === 'browser' ? electron : electron.remote
+const { app } = process.type === 'browser' ? electron : electron.remote
 const binding = process.atomBinding('crash_reporter')
 
 class CrashReporter {
diff --git a/lib/common/api/module-list.js b/lib/common/api/module-list.js
index 2353c4bd6ba..b1ae86993fc 100644
--- a/lib/common/api/module-list.js
+++ b/lib/common/api/module-list.js
@@ -1,11 +1,11 @@
 // Common modules, please sort alphabetically
 module.exports = [
-  {name: 'clipboard', file: 'clipboard'},
-  {name: 'crashReporter', file: 'crash-reporter'},
-  {name: 'nativeImage', file: 'native-image'},
-  {name: 'shell', file: 'shell'},
+  { name: 'clipboard', file: 'clipboard' },
+  { name: 'crashReporter', file: 'crash-reporter' },
+  { name: 'nativeImage', file: 'native-image' },
+  { name: 'shell', file: 'shell' },
   // The internal modules, invisible unless you know their names.
-  {name: 'deprecate', file: 'deprecate', private: true},
-  {name: 'deprecations', file: 'deprecations', private: true},
-  {name: 'isPromise', file: 'is-promise', private: true}
+  { name: 'deprecate', file: 'deprecate', private: true },
+  { name: 'deprecations', file: 'deprecations', private: true },
+  { name: 'isPromise', file: 'is-promise', private: true }
 ]
diff --git a/lib/common/asar.js b/lib/common/asar.js
index 288b4386749..b6d5f859343 100644
--- a/lib/common/asar.js
+++ b/lib/common/asar.js
@@ -1,7 +1,7 @@
 (function () {
   const asar = process.binding('atom_common_asar')
   const assert = require('assert')
-  const {Buffer} = require('buffer')
+  const { Buffer } = require('buffer')
   const childProcess = require('child_process')
   const path = require('path')
   const util = require('util')
@@ -48,22 +48,22 @@
   // Separate asar package's path from full path.
   const splitPath = archivePathOrBuffer => {
     // Shortcut for disabled asar.
-    if (isAsarDisabled()) return {isAsar: false}
+    if (isAsarDisabled()) return { isAsar: false }
 
     // Check for a bad argument type.
     let archivePath = archivePathOrBuffer
     if (Buffer.isBuffer(archivePathOrBuffer)) {
       archivePath = archivePathOrBuffer.toString()
     }
-    if (typeof archivePath !== 'string') return {isAsar: false}
+    if (typeof archivePath !== 'string') return { isAsar: false }
 
     if (archivePath.endsWith(ASAR_EXTENSION)) {
-      return {isAsar: true, asarPath: archivePath, filePath: ''}
+      return { isAsar: true, asarPath: archivePath, filePath: '' }
     }
 
     archivePath = path.normalize(archivePath)
     const index = archivePath.lastIndexOf(`${ASAR_EXTENSION}${path.sep}`)
-    if (index === -1) return {isAsar: false}
+    if (index === -1) return { isAsar: false }
 
     // E.g. for "//some/path/to/archive.asar/then/internal.file"...
     return {
@@ -85,7 +85,7 @@
   const msec = (date) => (date || fakeTime).getTime()
 
   const asarStatsToFsStats = function (stats) {
-    const {Stats, constants} = require('fs')
+    const { Stats, constants } = require('fs')
 
     let mode = constants.S_IROTH ^ constants.S_IRGRP ^ constants.S_IRUSR ^ constants.S_IWUSR
 
@@ -98,20 +98,20 @@
     }
 
     return new Stats(
-        1, // dev
-        mode, // mode
-        1, // nlink
-        uid,
-        gid,
-        0, // rdev
-        undefined, // blksize
-        ++nextInode, // ino
-        stats.size,
-        undefined, // blocks,
-        msec(stats.atime), // atim_msec
-        msec(stats.mtime), // mtim_msec
-        msec(stats.ctime), // ctim_msec
-        msec(stats.birthtime) // birthtim_msec
+      1, // dev
+      mode, // mode
+      1, // nlink
+      uid,
+      gid,
+      0, // rdev
+      undefined, // blksize
+      ++nextInode, // ino
+      stats.size,
+      undefined, // blocks,
+      msec(stats.atime), // atim_msec
+      msec(stats.mtime), // mtim_msec
+      msec(stats.ctime), // ctim_msec
+      msec(stats.birthtime) // birthtim_msec
     )
   }
 
@@ -122,7 +122,7 @@
     INVALID_ARCHIVE: 'INVALID_ARCHIVE'
   }
 
-  const createError = (errorType, {asarPath, filePath} = {}) => {
+  const createError = (errorType, { asarPath, filePath } = {}) => {
     let error
     switch (errorType) {
       case AsarError.NOT_FOUND:
@@ -154,14 +154,14 @@
     const old = module[name]
     module[name] = function () {
       const pathArgument = arguments[pathArgumentIndex]
-      const {isAsar, asarPath, filePath} = splitPath(pathArgument)
+      const { isAsar, asarPath, filePath } = splitPath(pathArgument)
       if (!isAsar) return old.apply(this, arguments)
 
       const archive = getOrCreateArchive(asarPath)
-      if (!archive) throw createError(AsarError.INVALID_ARCHIVE, {asarPath})
+      if (!archive) throw createError(AsarError.INVALID_ARCHIVE, { asarPath })
 
       const newPath = archive.copyFileOut(filePath)
-      if (!newPath) throw createError(AsarError.NOT_FOUND, {asarPath, filePath})
+      if (!newPath) throw createError(AsarError.NOT_FOUND, { asarPath, filePath })
 
       arguments[pathArgumentIndex] = newPath
       return old.apply(this, arguments)
@@ -173,7 +173,7 @@
     const old = module[name]
     module[name] = function () {
       const pathArgument = arguments[pathArgumentIndex]
-      const {isAsar, asarPath, filePath} = splitPath(pathArgument)
+      const { isAsar, asarPath, filePath } = splitPath(pathArgument)
       if (!isAsar) return old.apply(this, arguments)
 
       const callback = arguments[arguments.length - 1]
@@ -183,14 +183,14 @@
 
       const archive = getOrCreateArchive(asarPath)
       if (!archive) {
-        const error = createError(AsarError.INVALID_ARCHIVE, {asarPath})
+        const error = createError(AsarError.INVALID_ARCHIVE, { asarPath })
         nextTick(callback, [error])
         return
       }
 
       const newPath = archive.copyFileOut(filePath)
       if (!newPath) {
-        const error = createError(AsarError.NOT_FOUND, {asarPath, filePath})
+        const error = createError(AsarError.NOT_FOUND, { asarPath, filePath })
         nextTick(callback, [error])
         return
       }
@@ -202,17 +202,17 @@
     if (old[util.promisify.custom]) {
       module[name][util.promisify.custom] = function () {
         const pathArgument = arguments[pathArgumentIndex]
-        const {isAsar, asarPath, filePath} = splitPath(pathArgument)
+        const { isAsar, asarPath, filePath } = splitPath(pathArgument)
         if (!isAsar) return old[util.promisify.custom].apply(this, arguments)
 
         const archive = getOrCreateArchive(asarPath)
         if (!archive) {
-          return Promise.reject(createError(AsarError.INVALID_ARCHIVE, {asarPath}))
+          return Promise.reject(createError(AsarError.INVALID_ARCHIVE, { asarPath }))
         }
 
         const newPath = archive.copyFileOut(filePath)
         if (!newPath) {
-          return Promise.reject(createError(AsarError.NOT_FOUND, {asarPath, filePath}))
+          return Promise.reject(createError(AsarError.NOT_FOUND, { asarPath, filePath }))
         }
 
         arguments[pathArgumentIndex] = newPath
@@ -235,35 +235,35 @@
       fs.writeSync(logFDs[asarPath], `${offset}: ${filePath}\n`)
     }
 
-    const {lstatSync} = fs
+    const { lstatSync } = fs
     fs.lstatSync = pathArgument => {
-      const {isAsar, asarPath, filePath} = splitPath(pathArgument)
+      const { isAsar, asarPath, filePath } = splitPath(pathArgument)
       if (!isAsar) return lstatSync(pathArgument)
 
       const archive = getOrCreateArchive(asarPath)
-      if (!archive) throw createError(AsarError.INVALID_ARCHIVE, {asarPath})
+      if (!archive) throw createError(AsarError.INVALID_ARCHIVE, { asarPath })
 
       const stats = archive.stat(filePath)
-      if (!stats) throw createError(AsarError.NOT_FOUND, {asarPath, filePath})
+      if (!stats) throw createError(AsarError.NOT_FOUND, { asarPath, filePath })
 
       return asarStatsToFsStats(stats)
     }
 
-    const {lstat} = fs
+    const { lstat } = fs
     fs.lstat = (pathArgument, callback) => {
-      const {isAsar, asarPath, filePath} = splitPath(pathArgument)
+      const { isAsar, asarPath, filePath } = splitPath(pathArgument)
       if (!isAsar) return lstat(pathArgument, callback)
 
       const archive = getOrCreateArchive(asarPath)
       if (!archive) {
-        const error = createError(AsarError.INVALID_ARCHIVE, {asarPath})
+        const error = createError(AsarError.INVALID_ARCHIVE, { asarPath })
         nextTick(callback, [error])
         return
       }
 
       const stats = archive.stat(filePath)
       if (!stats) {
-        const error = createError(AsarError.NOT_FOUND, {asarPath, filePath})
+        const error = createError(AsarError.NOT_FOUND, { asarPath, filePath })
         nextTick(callback, [error])
         return
       }
@@ -272,27 +272,27 @@
       nextTick(callback, [null, fsStats])
     }
 
-    const {statSync} = fs
+    const { statSync } = fs
     fs.statSync = pathArgument => {
-      const {isAsar} = splitPath(pathArgument)
+      const { isAsar } = splitPath(pathArgument)
       if (!isAsar) return statSync(pathArgument)
 
       // Do not distinguish links for now.
       return fs.lstatSync(pathArgument)
     }
 
-    const {stat} = fs
+    const { stat } = fs
     fs.stat = (pathArgument, callback) => {
-      const {isAsar} = splitPath(pathArgument)
+      const { isAsar } = splitPath(pathArgument)
       if (!isAsar) return stat(pathArgument, callback)
 
       // Do not distinguish links for now.
       process.nextTick(() => fs.lstat(pathArgument, callback))
     }
 
-    const {statSyncNoException} = fs
+    const { statSyncNoException } = fs
     fs.statSyncNoException = pathArgument => {
-      const {isAsar, asarPath, filePath} = splitPath(pathArgument)
+      const { isAsar, asarPath, filePath } = splitPath(pathArgument)
       if (!isAsar) return statSyncNoException(pathArgument)
 
       const archive = getOrCreateArchive(asarPath)
@@ -304,44 +304,44 @@
       return asarStatsToFsStats(stats)
     }
 
-    const {realpathSync} = fs
+    const { realpathSync } = fs
     fs.realpathSync = function (pathArgument) {
-      const {isAsar, asarPath, filePath} = splitPath(pathArgument)
+      const { isAsar, asarPath, filePath } = splitPath(pathArgument)
       if (!isAsar) return realpathSync.apply(this, arguments)
 
       const archive = getOrCreateArchive(asarPath)
       if (!archive) {
-        throw createError(AsarError.INVALID_ARCHIVE, {asarPath})
+        throw createError(AsarError.INVALID_ARCHIVE, { asarPath })
       }
 
       const fileRealPath = archive.realpath(filePath)
       if (fileRealPath === false) {
-        throw createError(AsarError.NOT_FOUND, {asarPath, filePath})
+        throw createError(AsarError.NOT_FOUND, { asarPath, filePath })
       }
 
       return path.join(realpathSync(asarPath), fileRealPath)
     }
 
     fs.realpathSync.native = function (pathArgument) {
-      const {isAsar, asarPath, filePath} = splitPath(pathArgument)
+      const { isAsar, asarPath, filePath } = splitPath(pathArgument)
       if (!isAsar) return realpathSync.native.apply(this, arguments)
 
       const archive = getOrCreateArchive(asarPath)
       if (!archive) {
-        throw createError(AsarError.INVALID_ARCHIVE, {asarPath})
+        throw createError(AsarError.INVALID_ARCHIVE, { asarPath })
       }
 
       const fileRealPath = archive.realpath(filePath)
       if (fileRealPath === false) {
-        throw createError(AsarError.NOT_FOUND, {asarPath, filePath})
+        throw createError(AsarError.NOT_FOUND, { asarPath, filePath })
       }
 
       return path.join(realpathSync.native(asarPath), fileRealPath)
     }
 
-    const {realpath} = fs
+    const { realpath } = fs
     fs.realpath = function (pathArgument, cache, callback) {
-      const {isAsar, asarPath, filePath} = splitPath(pathArgument)
+      const { isAsar, asarPath, filePath } = splitPath(pathArgument)
       if (!isAsar) return realpath.apply(this, arguments)
 
       if (typeof cache === 'function') {
@@ -351,14 +351,14 @@
 
       const archive = getOrCreateArchive(asarPath)
       if (!archive) {
-        const error = createError(AsarError.INVALID_ARCHIVE, {asarPath})
+        const error = createError(AsarError.INVALID_ARCHIVE, { asarPath })
         nextTick(callback, [error])
         return
       }
 
       const fileRealPath = archive.realpath(filePath)
       if (fileRealPath === false) {
-        const error = createError(AsarError.NOT_FOUND, {asarPath, filePath})
+        const error = createError(AsarError.NOT_FOUND, { asarPath, filePath })
         nextTick(callback, [error])
         return
       }
@@ -374,7 +374,7 @@
     }
 
     fs.realpath.native = function (pathArgument, cache, callback) {
-      const {isAsar, asarPath, filePath} = splitPath(pathArgument)
+      const { isAsar, asarPath, filePath } = splitPath(pathArgument)
       if (!isAsar) return realpath.native.apply(this, arguments)
 
       if (typeof cache === 'function') {
@@ -384,14 +384,14 @@
 
       const archive = getOrCreateArchive(asarPath)
       if (!archive) {
-        const error = createError(AsarError.INVALID_ARCHIVE, {asarPath})
+        const error = createError(AsarError.INVALID_ARCHIVE, { asarPath })
         nextTick(callback, [error])
         return
       }
 
       const fileRealPath = archive.realpath(filePath)
       if (fileRealPath === false) {
-        const error = createError(AsarError.NOT_FOUND, {asarPath, filePath})
+        const error = createError(AsarError.NOT_FOUND, { asarPath, filePath })
         nextTick(callback, [error])
         return
       }
@@ -406,14 +406,14 @@
       })
     }
 
-    const {exists} = fs
+    const { exists } = fs
     fs.exists = (pathArgument, callback) => {
-      const {isAsar, asarPath, filePath} = splitPath(pathArgument)
+      const { isAsar, asarPath, filePath } = splitPath(pathArgument)
       if (!isAsar) return exists(pathArgument, callback)
 
       const archive = getOrCreateArchive(asarPath)
       if (!archive) {
-        const error = createError(AsarError.INVALID_ARCHIVE, {asarPath})
+        const error = createError(AsarError.INVALID_ARCHIVE, { asarPath })
         nextTick(callback, [error])
         return
       }
@@ -423,21 +423,21 @@
     }
 
     fs.exists[util.promisify.custom] = pathArgument => {
-      const {isAsar, asarPath, filePath} = splitPath(pathArgument)
+      const { isAsar, asarPath, filePath } = splitPath(pathArgument)
       if (!isAsar) return exists[util.promisify.custom](pathArgument)
 
       const archive = getOrCreateArchive(asarPath)
       if (!archive) {
-        const error = createError(AsarError.INVALID_ARCHIVE, {asarPath})
+        const error = createError(AsarError.INVALID_ARCHIVE, { asarPath })
         return Promise.reject(error)
       }
 
       return Promise.resolve(archive.stat(filePath) !== false)
     }
 
-    const {existsSync} = fs
+    const { existsSync } = fs
     fs.existsSync = pathArgument => {
-      const {isAsar, asarPath, filePath} = splitPath(pathArgument)
+      const { isAsar, asarPath, filePath } = splitPath(pathArgument)
       if (!isAsar) return existsSync(pathArgument)
 
       const archive = getOrCreateArchive(asarPath)
@@ -446,9 +446,9 @@
       return archive.stat(filePath) !== false
     }
 
-    const {access} = fs
+    const { access } = fs
     fs.access = function (pathArgument, mode, callback) {
-      const {isAsar, asarPath, filePath} = splitPath(pathArgument)
+      const { isAsar, asarPath, filePath } = splitPath(pathArgument)
       if (!isAsar) return access.apply(this, arguments)
 
       if (typeof mode === 'function') {
@@ -458,14 +458,14 @@
 
       const archive = getOrCreateArchive(asarPath)
       if (!archive) {
-        const error = createError(AsarError.INVALID_ARCHIVE, {asarPath})
+        const error = createError(AsarError.INVALID_ARCHIVE, { asarPath })
         nextTick(callback, [error])
         return
       }
 
       const info = archive.getFileInfo(filePath)
       if (!info) {
-        const error = createError(AsarError.NOT_FOUND, {asarPath, filePath})
+        const error = createError(AsarError.NOT_FOUND, { asarPath, filePath })
         nextTick(callback, [error])
         return
       }
@@ -477,13 +477,13 @@
 
       const stats = archive.stat(filePath)
       if (!stats) {
-        const error = createError(AsarError.NOT_FOUND, {asarPath, filePath})
+        const error = createError(AsarError.NOT_FOUND, { asarPath, filePath })
         nextTick(callback, [error])
         return
       }
 
       if (mode & fs.constants.W_OK) {
-        const error = createError(AsarError.NO_ACCESS, {asarPath, filePath})
+        const error = createError(AsarError.NO_ACCESS, { asarPath, filePath })
         nextTick(callback, [error])
         return
       }
@@ -491,21 +491,21 @@
       nextTick(callback)
     }
 
-    const {accessSync} = fs
+    const { accessSync } = fs
     fs.accessSync = function (pathArgument, mode) {
-      const {isAsar, asarPath, filePath} = splitPath(pathArgument)
+      const { isAsar, asarPath, filePath } = splitPath(pathArgument)
       if (!isAsar) return accessSync.apply(this, arguments)
 
       if (mode == null) mode = fs.constants.F_OK
 
       const archive = getOrCreateArchive(asarPath)
       if (!archive) {
-        throw createError(AsarError.INVALID_ARCHIVE, {asarPath})
+        throw createError(AsarError.INVALID_ARCHIVE, { asarPath })
       }
 
       const info = archive.getFileInfo(filePath)
       if (!info) {
-        throw createError(AsarError.NOT_FOUND, {asarPath, filePath})
+        throw createError(AsarError.NOT_FOUND, { asarPath, filePath })
       }
 
       if (info.unpacked) {
@@ -515,17 +515,17 @@
 
       const stats = archive.stat(filePath)
       if (!stats) {
-        throw createError(AsarError.NOT_FOUND, {asarPath, filePath})
+        throw createError(AsarError.NOT_FOUND, { asarPath, filePath })
       }
 
       if (mode & fs.constants.W_OK) {
-        throw createError(AsarError.NO_ACCESS, {asarPath, filePath})
+        throw createError(AsarError.NO_ACCESS, { asarPath, filePath })
       }
     }
 
-    const {readFile} = fs
+    const { readFile } = fs
     fs.readFile = function (pathArgument, options, callback) {
-      const {isAsar, asarPath, filePath} = splitPath(pathArgument)
+      const { isAsar, asarPath, filePath } = splitPath(pathArgument)
       if (!isAsar) return readFile.apply(this, arguments)
 
       if (typeof options === 'function') {
@@ -539,17 +539,17 @@
         throw new TypeError('Bad arguments')
       }
 
-      const {encoding} = options
+      const { encoding } = options
       const archive = getOrCreateArchive(asarPath)
       if (!archive) {
-        const error = createError(AsarError.INVALID_ARCHIVE, {asarPath})
+        const error = createError(AsarError.INVALID_ARCHIVE, { asarPath })
         nextTick(callback, [error])
         return
       }
 
       const info = archive.getFileInfo(filePath)
       if (!info) {
-        const error = createError(AsarError.NOT_FOUND, {asarPath, filePath})
+        const error = createError(AsarError.NOT_FOUND, { asarPath, filePath })
         nextTick(callback, [error])
         return
       }
@@ -567,7 +567,7 @@
       const buffer = Buffer.alloc(info.size)
       const fd = archive.getFd()
       if (!(fd >= 0)) {
-        const error = createError(AsarError.NOT_FOUND, {asarPath, filePath})
+        const error = createError(AsarError.NOT_FOUND, { asarPath, filePath })
         nextTick(callback, [error])
         return
       }
@@ -578,16 +578,16 @@
       })
     }
 
-    const {readFileSync} = fs
+    const { readFileSync } = fs
     fs.readFileSync = function (pathArgument, options) {
-      const {isAsar, asarPath, filePath} = splitPath(pathArgument)
+      const { isAsar, asarPath, filePath } = splitPath(pathArgument)
       if (!isAsar) return readFileSync.apply(this, arguments)
 
       const archive = getOrCreateArchive(asarPath)
-      if (!archive) throw createError(AsarError.INVALID_ARCHIVE, {asarPath})
+      if (!archive) throw createError(AsarError.INVALID_ARCHIVE, { asarPath })
 
       const info = archive.getFileInfo(filePath)
-      if (!info) throw createError(AsarError.NOT_FOUND, {asarPath, filePath})
+      if (!info) throw createError(AsarError.NOT_FOUND, { asarPath, filePath })
 
       if (info.size === 0) return (options) ? '' : Buffer.alloc(0)
       if (info.unpacked) {
@@ -603,31 +603,31 @@
         throw new TypeError('Bad arguments')
       }
 
-      const {encoding} = options
+      const { encoding } = options
       const buffer = Buffer.alloc(info.size)
       const fd = archive.getFd()
-      if (!(fd >= 0)) throw createError(AsarError.NOT_FOUND, {asarPath, filePath})
+      if (!(fd >= 0)) throw createError(AsarError.NOT_FOUND, { asarPath, filePath })
 
       logASARAccess(asarPath, filePath, info.offset)
       fs.readSync(fd, buffer, 0, info.size, info.offset)
       return (encoding) ? buffer.toString(encoding) : buffer
     }
 
-    const {readdir} = fs
+    const { readdir } = fs
     fs.readdir = function (pathArgument, callback) {
-      const {isAsar, asarPath, filePath} = splitPath(pathArgument)
+      const { isAsar, asarPath, filePath } = splitPath(pathArgument)
       if (!isAsar) return readdir.apply(this, arguments)
 
       const archive = getOrCreateArchive(asarPath)
       if (!archive) {
-        const error = createError(AsarError.INVALID_ARCHIVE, {asarPath})
+        const error = createError(AsarError.INVALID_ARCHIVE, { asarPath })
         nextTick(callback, [error])
         return
       }
 
       const files = archive.readdir(filePath)
       if (!files) {
-        const error = createError(AsarError.NOT_FOUND, {asarPath, filePath})
+        const error = createError(AsarError.NOT_FOUND, { asarPath, filePath })
         nextTick(callback, [error])
         return
       }
@@ -635,27 +635,27 @@
       nextTick(callback, [null, files])
     }
 
-    const {readdirSync} = fs
+    const { readdirSync } = fs
     fs.readdirSync = function (pathArgument) {
-      const {isAsar, asarPath, filePath} = splitPath(pathArgument)
+      const { isAsar, asarPath, filePath } = splitPath(pathArgument)
       if (!isAsar) return readdirSync.apply(this, arguments)
 
       const archive = getOrCreateArchive(asarPath)
       if (!archive) {
-        throw createError(AsarError.INVALID_ARCHIVE, {asarPath})
+        throw createError(AsarError.INVALID_ARCHIVE, { asarPath })
       }
 
       const files = archive.readdir(filePath)
       if (!files) {
-        throw createError(AsarError.NOT_FOUND, {asarPath, filePath})
+        throw createError(AsarError.NOT_FOUND, { asarPath, filePath })
       }
 
       return files
     }
 
-    const {internalModuleReadJSON} = process.binding('fs')
+    const { internalModuleReadJSON } = process.binding('fs')
     process.binding('fs').internalModuleReadJSON = pathArgument => {
-      const {isAsar, asarPath, filePath} = splitPath(pathArgument)
+      const { isAsar, asarPath, filePath } = splitPath(pathArgument)
       if (!isAsar) return internalModuleReadJSON(pathArgument)
 
       const archive = getOrCreateArchive(asarPath)
@@ -666,7 +666,7 @@
       if (info.size === 0) return ''
       if (info.unpacked) {
         const realPath = archive.copyFileOut(filePath)
-        return fs.readFileSync(realPath, {encoding: 'utf8'})
+        return fs.readFileSync(realPath, { encoding: 'utf8' })
       }
 
       const buffer = Buffer.alloc(info.size)
@@ -678,9 +678,9 @@
       return buffer.toString('utf8')
     }
 
-    const {internalModuleStat} = process.binding('fs')
+    const { internalModuleStat } = process.binding('fs')
     process.binding('fs').internalModuleStat = pathArgument => {
-      const {isAsar, asarPath, filePath} = splitPath(pathArgument)
+      const { isAsar, asarPath, filePath } = splitPath(pathArgument)
       if (!isAsar) return internalModuleStat(pathArgument)
 
       // -ENOENT
@@ -699,14 +699,14 @@
     // This is to work around the recursive looping bug of mkdirp since it is
     // widely used.
     if (process.platform === 'win32') {
-      const {mkdir} = fs
+      const { mkdir } = fs
       fs.mkdir = (pathArgument, mode, callback) => {
         if (typeof mode === 'function') {
           callback = mode
           mode = undefined
         }
 
-        const {isAsar, filePath} = splitPath(pathArgument)
+        const { isAsar, filePath } = splitPath(pathArgument)
         if (isAsar && filePath.length > 0) {
           const error = createError(AsarError.NOT_DIR)
           nextTick(callback, [error])
@@ -716,9 +716,9 @@
         mkdir(pathArgument, mode, callback)
       }
 
-      const {mkdirSync} = fs
+      const { mkdirSync } = fs
       fs.mkdirSync = function (pathArgument, mode) {
-        const {isAsar, filePath} = splitPath(pathArgument)
+        const { isAsar, filePath } = splitPath(pathArgument)
         if (isAsar && filePath.length) throw createError(AsarError.NOT_DIR)
         return mkdirSync(pathArgument, mode)
       }
@@ -729,7 +729,7 @@
     // called by `childProcess.{exec,execSync}`, causing
     // Electron to consider the full command as a single path
     // to an archive.
-    const {exec, execSync} = childProcess
+    const { exec, execSync } = childProcess
     childProcess.exec = invokeWithNoAsar(exec)
     childProcess.exec[util.promisify.custom] = invokeWithNoAsar(exec[util.promisify.custom])
     childProcess.execSync = invokeWithNoAsar(execSync)
diff --git a/lib/common/init.js b/lib/common/init.js
index b424768414b..af8dce32229 100644
--- a/lib/common/init.js
+++ b/lib/common/init.js
@@ -43,7 +43,7 @@ if (process.type === 'browser') {
 
 if (process.platform === 'win32') {
   // Always returns EOF for stdin stream.
-  const {Readable} = require('stream')
+  const { Readable } = require('stream')
   const stdin = new Readable()
   stdin.push(null)
   process.__defineGetter__('stdin', function () {
diff --git a/lib/isolated_renderer/init.js b/lib/isolated_renderer/init.js
index 4ea6fae6b0b..932e74087e3 100644
--- a/lib/isolated_renderer/init.js
+++ b/lib/isolated_renderer/init.js
@@ -2,7 +2,7 @@
 
 'use strict'
 
-const {send, sendSync} = binding
+const { send, sendSync } = binding
 
 const ipcRenderer = {
   send (...args) {
@@ -18,7 +18,7 @@ const ipcRenderer = {
   once () {}
 }
 
-let {guestInstanceId, hiddenPage, openerId, nativeWindowOpen} = binding
+let { guestInstanceId, hiddenPage, openerId, nativeWindowOpen } = binding
 if (guestInstanceId != null) guestInstanceId = parseInt(guestInstanceId)
 if (openerId != null) openerId = parseInt(openerId)
 
diff --git a/lib/renderer/api/desktop-capturer.js b/lib/renderer/api/desktop-capturer.js
index 75d3a258bf0..00c657b638a 100644
--- a/lib/renderer/api/desktop-capturer.js
+++ b/lib/renderer/api/desktop-capturer.js
@@ -1,4 +1,4 @@
-const {ipcRenderer, nativeImage} = require('electron')
+const { ipcRenderer, nativeImage } = require('electron')
 
 const includes = [].includes
 let currentId = 0
diff --git a/lib/renderer/api/exports/electron.js b/lib/renderer/api/exports/electron.js
index bae2156edd7..4363df5407f 100644
--- a/lib/renderer/api/exports/electron.js
+++ b/lib/renderer/api/exports/electron.js
@@ -5,11 +5,11 @@ const moduleList = require('../module-list')
 common.defineProperties(exports)
 
 for (const {
-        name,
-        file,
-        enabled = true,
-        private: isPrivate = false
-    } of moduleList) {
+  name,
+  file,
+  enabled = true,
+  private: isPrivate = false
+} of moduleList) {
   if (!enabled) {
     continue
   }
diff --git a/lib/renderer/api/module-list.js b/lib/renderer/api/module-list.js
index 0c1e74fc5dc..ed9732ee199 100644
--- a/lib/renderer/api/module-list.js
+++ b/lib/renderer/api/module-list.js
@@ -8,8 +8,8 @@ module.exports = [
     file: 'desktop-capturer',
     enabled: features.isDesktopCapturerEnabled()
   },
-  {name: 'ipcRenderer', file: 'ipc-renderer', enabled: true},
-  {name: 'remote', file: 'remote', enabled: true},
-  {name: 'screen', file: 'screen', enabled: true},
-  {name: 'webFrame', file: 'web-frame', enabled: true}
+  { name: 'ipcRenderer', file: 'ipc-renderer', enabled: true },
+  { name: 'remote', file: 'remote', enabled: true },
+  { name: 'screen', file: 'screen', enabled: true },
+  { name: 'webFrame', file: 'web-frame', enabled: true }
 ]
diff --git a/lib/renderer/api/remote.js b/lib/renderer/api/remote.js
index 54f4b88e8f7..f220dee2217 100644
--- a/lib/renderer/api/remote.js
+++ b/lib/renderer/api/remote.js
@@ -1,7 +1,7 @@
 'use strict'
 
 const v8Util = process.atomBinding('v8_util')
-const {ipcRenderer, isPromise} = require('electron')
+const { ipcRenderer, isPromise } = require('electron')
 const resolvePromise = Promise.resolve.bind(Promise)
 
 const CallbacksRegistry = require('../callbacks-registry')
@@ -127,7 +127,7 @@ function setObjectMembers (ref, object, metaId, members) {
       let descriptorFunction = proxyFunctionProperties(remoteMemberFunction, metaId, member.name)
 
       descriptor.get = () => {
-        descriptorFunction.ref = ref  // The member should reference its object.
+        descriptorFunction.ref = ref // The member should reference its object.
         return descriptorFunction
       }
       // Enable monkey-patch the method
@@ -214,7 +214,7 @@ function metaToValue (meta) {
     value: () => meta.value,
     array: () => meta.members.map((member) => metaToValue(member)),
     buffer: () => bufferUtils.metaToBuffer(meta.value),
-    promise: () => resolvePromise({then: metaToValue(meta.then)}),
+    promise: () => resolvePromise({ then: metaToValue(meta.then) }),
     error: () => metaToPlainObject(meta),
     date: () => new Date(meta.value),
     exception: () => { throw metaToException(meta) }
@@ -261,7 +261,7 @@ function metaToValue (meta) {
 function metaToPlainObject (meta) {
   const obj = (() => meta.type === 'error' ? new Error() : {})()
   for (let i = 0; i < meta.members.length; i++) {
-    let {name, value} = meta.members[i]
+    let { name, value } = meta.members[i]
     obj[name] = value
   }
   return obj
@@ -350,7 +350,7 @@ const addBuiltinProperty = (name) => {
 
 const browserModules =
   require('../../common/api/module-list').concat(
-  require('../../browser/api/module-list'))
+    require('../../browser/api/module-list'))
 
 // And add a helper receiver for each one.
 browserModules
diff --git a/lib/renderer/api/web-frame.js b/lib/renderer/api/web-frame.js
index 3241858cfac..78ab231af9a 100644
--- a/lib/renderer/api/web-frame.js
+++ b/lib/renderer/api/web-frame.js
@@ -1,7 +1,7 @@
 'use strict'
 
-const {EventEmitter} = require('events')
-const {webFrame, WebFrame} = process.atomBinding('web_frame')
+const { EventEmitter } = require('events')
+const { webFrame, WebFrame } = process.atomBinding('web_frame')
 
 // WebFrame is an EventEmitter.
 Object.setPrototypeOf(WebFrame.prototype, EventEmitter.prototype)
diff --git a/lib/renderer/chrome-api.js b/lib/renderer/chrome-api.js
index 07b940675b3..4574f52d99e 100644
--- a/lib/renderer/chrome-api.js
+++ b/lib/renderer/chrome-api.js
@@ -1,4 +1,4 @@
-const {ipcRenderer} = require('electron')
+const { ipcRenderer } = require('electron')
 const Event = require('./extensions/event')
 const url = require('url')
 
@@ -99,14 +99,14 @@ exports.injectTo = function (extensionId, isBackgroundPage, context) {
 
       // Parse the optional args.
       let targetExtensionId = extensionId
-      let connectInfo = {name: ''}
+      let connectInfo = { name: '' }
       if (args.length === 1) {
         connectInfo = args[0]
       } else if (args.length === 2) {
         [targetExtensionId, connectInfo] = args
       }
 
-      const {tabId, portId} = ipcRenderer.sendSync('CHROME_RUNTIME_CONNECT', targetExtensionId, connectInfo)
+      const { tabId, portId } = ipcRenderer.sendSync('CHROME_RUNTIME_CONNECT', targetExtensionId, connectInfo)
       return new Port(tabId, portId, extensionId, connectInfo.name)
     },
 
diff --git a/lib/renderer/content-scripts-injector.js b/lib/renderer/content-scripts-injector.js
index f7bf10ced56..c96eb2202f2 100644
--- a/lib/renderer/content-scripts-injector.js
+++ b/lib/renderer/content-scripts-injector.js
@@ -1,5 +1,5 @@
-const {ipcRenderer} = require('electron')
-const {runInThisContext} = require('vm')
+const { ipcRenderer } = require('electron')
+const { runInThisContext } = require('vm')
 
 // Check whether pattern matches.
 // https://developer.chrome.com/extensions/match_patterns
@@ -24,7 +24,7 @@ const runContentScript = function (extensionId, url, code) {
 }
 
 const runAllContentScript = function (scripts, extensionId) {
-  for (const {url, code} of scripts) {
+  for (const { url, code } of scripts) {
     runContentScript.call(window, extensionId, url, code)
   }
 }
@@ -47,7 +47,7 @@ const runStylesheet = function (url, code) {
 }
 
 const runAllStylesheet = function (css) {
-  for (const {url, code} of css) {
+  for (const { url, code } of css) {
     runStylesheet.call(window, url, code)
   }
 }
diff --git a/lib/renderer/extensions/i18n.js b/lib/renderer/extensions/i18n.js
index 18f3b6a51fd..b28e61cb861 100644
--- a/lib/renderer/extensions/i18n.js
+++ b/lib/renderer/extensions/i18n.js
@@ -4,7 +4,7 @@
 // Does not implement predefined messages:
 // https://developer.chrome.com/extensions/i18n#overview-predefined
 
-const {ipcRenderer} = require('electron')
+const { ipcRenderer } = require('electron')
 const fs = require('fs')
 const path = require('path')
 
@@ -60,7 +60,7 @@ const replacePlaceholders = (message, placeholders, substitutions) => {
 
   if (placeholders) {
     Object.keys(placeholders).forEach((name) => {
-      let {content} = placeholders[name]
+      let { content } = placeholders[name]
       content = replaceNumberedSubstitutions(content, substitutions)
       message = message.replace(new RegExp(`\\$${name}\\$`, 'gi'), content)
     })
@@ -72,7 +72,7 @@ const replacePlaceholders = (message, placeholders, substitutions) => {
 const getMessage = (extensionId, messageName, substitutions) => {
   const messages = getMessages(extensionId, getLanguage())
   if (messages.hasOwnProperty(messageName)) {
-    const {message, placeholders} = messages[messageName]
+    const { message, placeholders } = messages[messageName]
     return replacePlaceholders(message, placeholders, substitutions)
   }
 }
diff --git a/lib/renderer/extensions/web-navigation.js b/lib/renderer/extensions/web-navigation.js
index 19faa800191..8fe29bd981c 100644
--- a/lib/renderer/extensions/web-navigation.js
+++ b/lib/renderer/extensions/web-navigation.js
@@ -1,5 +1,5 @@
 const Event = require('./event')
-const {ipcRenderer} = require('electron')
+const { ipcRenderer } = require('electron')
 
 class WebNavigation {
   constructor () {
diff --git a/lib/renderer/init.js b/lib/renderer/init.js
index 7ea87363cbe..e8abb9c5ba9 100644
--- a/lib/renderer/init.js
+++ b/lib/renderer/init.js
@@ -25,7 +25,7 @@ var v8Util = process.atomBinding('v8_util')
 v8Util.setHiddenValue(global, 'ipc', new events.EventEmitter())
 
 // Use electron module after everything is ready.
-const {ipcRenderer} = require('electron')
+const { ipcRenderer } = require('electron')
 
 const {
   warnAboutNodeWithRemoteContent,
diff --git a/lib/renderer/inspector.js b/lib/renderer/inspector.js
index 89048d3c792..d6304f59d72 100644
--- a/lib/renderer/inspector.js
+++ b/lib/renderer/inspector.js
@@ -8,7 +8,7 @@ window.onload = function () {
 }
 
 window.confirm = function (message, title) {
-  const {dialog} = require('electron').remote
+  const { dialog } = require('electron').remote
   if (title == null) {
     title = ''
   }
@@ -52,8 +52,8 @@ const convertToMenuTemplate = function (items) {
 }
 
 const createMenu = function (x, y, items) {
-  const {remote} = require('electron')
-  const {Menu} = remote
+  const { remote } = require('electron')
+  const { Menu } = remote
 
   let template = convertToMenuTemplate(items)
   if (useEditMenuItems(x, y, template)) {
@@ -63,7 +63,7 @@ const createMenu = function (x, y, items) {
 
   // The menu is expected to show asynchronously.
   setTimeout(function () {
-    menu.popup({window: remote.getCurrentWindow()})
+    menu.popup({ window: remote.getCurrentWindow() })
   })
 }
 
@@ -106,7 +106,7 @@ const getEditMenuItems = function () {
 }
 
 const showFileChooserDialog = function (callback) {
-  const {dialog} = require('electron').remote
+  const { dialog } = require('electron').remote
   const files = dialog.showOpenDialog({})
   if (files != null) {
     callback(pathToHtml5FileObject(files[0]))
diff --git a/lib/renderer/override.js b/lib/renderer/override.js
index fdeb6605a5c..c2f94421835 100644
--- a/lib/renderer/override.js
+++ b/lib/renderer/override.js
@@ -1,8 +1,8 @@
 'use strict'
 
-const {ipcRenderer} = require('electron')
+const { ipcRenderer } = require('electron')
 
-const {guestInstanceId, openerId} = process
+const { guestInstanceId, openerId } = process
 const hiddenPage = process.argv.includes('--hidden-page')
 const usesNativeWindowOpen = process.argv.includes('--native-window-open')
 
diff --git a/lib/renderer/security-warnings.js b/lib/renderer/security-warnings.js
index b24f9e28b87..97a5f2b33f4 100644
--- a/lib/renderer/security-warnings.js
+++ b/lib/renderer/security-warnings.js
@@ -62,7 +62,7 @@ const getIsRemoteProtocol = function () {
  */
 const isUnsafeEvalEnabled = function () {
   try {
-    //eslint-disable-next-line
+    // eslint-disable-next-line
     new Function('');
     return true
   } catch (error) {
diff --git a/lib/renderer/web-frame-init.js b/lib/renderer/web-frame-init.js
index e2b243c94e4..af8f5d1afb5 100644
--- a/lib/renderer/web-frame-init.js
+++ b/lib/renderer/web-frame-init.js
@@ -1,4 +1,4 @@
-const {ipcRenderer, webFrame} = require('electron')
+const { ipcRenderer, webFrame } = require('electron')
 const errorUtils = require('../common/error-utils')
 
 module.exports = () => {
diff --git a/lib/renderer/web-view/guest-view-internal.js b/lib/renderer/web-view/guest-view-internal.js
index 3abef43dffd..ac17606a1c5 100644
--- a/lib/renderer/web-view/guest-view-internal.js
+++ b/lib/renderer/web-view/guest-view-internal.js
@@ -1,6 +1,6 @@
 'use strict'
 
-const {ipcRenderer, webFrame} = require('electron')
+const { ipcRenderer, webFrame } = require('electron')
 
 let requestId = 0
 
@@ -99,7 +99,7 @@ module.exports = {
   },
   attachGuest: function (elementInstanceId, guestInstanceId, params, contentWindow) {
     const embedderFrameId = webFrame.getWebFrameId(contentWindow)
-    if (embedderFrameId < 0) {  // this error should not happen.
+    if (embedderFrameId < 0) { // this error should not happen.
       throw new Error('Invalid embedder frame')
     }
     ipcRenderer.send('ELECTRON_GUEST_VIEW_MANAGER_ATTACH_GUEST', embedderFrameId, elementInstanceId, guestInstanceId, params)
diff --git a/lib/renderer/web-view/web-view-attributes.js b/lib/renderer/web-view/web-view-attributes.js
index ad9970bd0b9..b6c247136c6 100644
--- a/lib/renderer/web-view/web-view-attributes.js
+++ b/lib/renderer/web-view/web-view-attributes.js
@@ -2,7 +2,7 @@
 
 const WebViewImpl = require('./web-view')
 const webViewConstants = require('./web-view-constants')
-const {remote} = require('electron')
+const { remote } = require('electron')
 
 // Helper function to resolve url set in attribute.
 const a = document.createElement('a')
@@ -142,7 +142,7 @@ class SrcAttribute extends WebViewAttribute {
   setupMutationObserver () {
     this.observer = new MutationObserver((mutations) => {
       for (const mutation of mutations) {
-        const {oldValue} = mutation
+        const { oldValue } = mutation
         const newValue = this.getValue()
         if (oldValue !== newValue) {
           return
diff --git a/lib/renderer/web-view/web-view.js b/lib/renderer/web-view/web-view.js
index 668eb5f0214..0620addd51e 100644
--- a/lib/renderer/web-view/web-view.js
+++ b/lib/renderer/web-view/web-view.js
@@ -1,6 +1,6 @@
 'use strict'
 
-const {ipcRenderer, remote, webFrame} = require('electron')
+const { ipcRenderer, remote, webFrame } = require('electron')
 
 const v8Util = process.atomBinding('v8_util')
 const guestViewInternal = require('./guest-view-internal')
@@ -30,7 +30,7 @@ class WebViewImpl {
 
     // Create internal iframe element.
     this.internalElement = this.createInternalElement()
-    const shadowRoot = this.webviewNode.attachShadow({mode: 'open'})
+    const shadowRoot = this.webviewNode.attachShadow({ mode: 'open' })
     shadowRoot.innerHTML = '<!DOCTYPE html><style type="text/css">:host { display: flex; }</style>'
     this.setupWebViewAttributes()
     this.viewInstanceId = getNextId()
diff --git a/lib/renderer/window-setup.js b/lib/renderer/window-setup.js
index ac329b43070..c72dfe4318b 100644
--- a/lib/renderer/window-setup.js
+++ b/lib/renderer/window-setup.js
@@ -23,7 +23,7 @@
 
 'use strict'
 
-const {defineProperty} = Object
+const { defineProperty } = Object
 
 // Helper function to resolve relative url.
 const a = window.top.document.createElement('a')
diff --git a/lib/sandboxed_renderer/api/exports/electron.js b/lib/sandboxed_renderer/api/exports/electron.js
index 693c5e7539e..96b9228ef59 100644
--- a/lib/sandboxed_renderer/api/exports/electron.js
+++ b/lib/sandboxed_renderer/api/exports/electron.js
@@ -1,11 +1,11 @@
 const moduleList = require('../module-list')
 
 for (const {
-        name,
-        load,
-        enabled = true,
-        private: isPrivate = false
-    } of moduleList) {
+  name,
+  load,
+  enabled = true,
+  private: isPrivate = false
+} of moduleList) {
   if (!enabled) {
     continue
   }
diff --git a/lib/sandboxed_renderer/api/ipc-renderer.js b/lib/sandboxed_renderer/api/ipc-renderer.js
index 45cbdb77864..c78ac9cbef3 100644
--- a/lib/sandboxed_renderer/api/ipc-renderer.js
+++ b/lib/sandboxed_renderer/api/ipc-renderer.js
@@ -10,7 +10,7 @@ const ipcNative = process.atomBinding('ipc')
 v8Util.setHiddenValue(global, 'ipcNative', ipcNative)
 
 ipcNative.onMessage = function (channel, args, senderId) {
-  ipcRenderer.emit(channel, {sender: ipcRenderer, senderId}, ...args)
+  ipcRenderer.emit(channel, { sender: ipcRenderer, senderId }, ...args)
 }
 
 ipcNative.onExit = function () {
diff --git a/lib/sandboxed_renderer/init.js b/lib/sandboxed_renderer/init.js
index 9569ec49c91..6a79d07a34e 100644
--- a/lib/sandboxed_renderer/init.js
+++ b/lib/sandboxed_renderer/init.js
@@ -115,7 +115,7 @@ if (preloadSrc) {
 
   // eval in window scope
   const preloadFn = binding.createPreloadScript(preloadWrapperSrc)
-  const {setImmediate, clearImmediate} = require('timers')
+  const { setImmediate, clearImmediate } = require('timers')
   preloadFn(preloadRequire, preloadProcess, Buffer, global, setImmediate, clearImmediate)
 } else if (preloadError) {
   console.error(preloadError.stack)
diff --git a/npm/cli.js b/npm/cli.js
index 48cdef8f198..b5b80886af9 100755
--- a/npm/cli.js
+++ b/npm/cli.js
@@ -4,7 +4,7 @@ var electron = require('./')
 
 var proc = require('child_process')
 
-var child = proc.spawn(electron, process.argv.slice(2), {stdio: 'inherit'})
+var child = proc.spawn(electron, process.argv.slice(2), { stdio: 'inherit' })
 child.on('close', function (code) {
   process.exit(code)
 })
diff --git a/npm/install.js b/npm/install.js
index ed208de247e..3f59ce15d22 100755
--- a/npm/install.js
+++ b/npm/install.js
@@ -37,7 +37,7 @@ download({
 // unzips and makes path.txt point at the correct executable
 function extractFile (err, zipPath) {
   if (err) return onerror(err)
-  extract(zipPath, {dir: path.join(__dirname, 'dist')}, function (err) {
+  extract(zipPath, { dir: path.join(__dirname, 'dist') }, function (err) {
     if (err) return onerror(err)
     fs.writeFile(path.join(__dirname, 'path.txt'), platformPath, function (err) {
       if (err) return onerror(err)
diff --git a/package-lock.json b/package-lock.json
index 48dee1423f2..88150c7cb58 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,6 +4,22 @@
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
+    "@mrmlnc/readdir-enhanced": {
+      "version": "2.2.1",
+      "resolved": "https://registry.npmjs.org/@mrmlnc/readdir-enhanced/-/readdir-enhanced-2.2.1.tgz",
+      "integrity": "sha512-bPHp6Ji8b41szTOcaP63VlnbbO5Ny6dwAATtY6JTjh5N2OLrb5Qk/Th5cRkRQhkWCt+EJsYrNB0MiL+Gpn6e3g==",
+      "dev": true,
+      "requires": {
+        "call-me-maybe": "^1.0.1",
+        "glob-to-regexp": "^0.3.0"
+      }
+    },
+    "@nodelib/fs.stat": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/@nodelib/fs.stat/-/fs.stat-1.1.2.tgz",
+      "integrity": "sha512-yprFYuno9FtNsSHVlSWd+nRlmGoAbqbeCwOryP6sC/zoCjhpArcRMYp19EvpSUSizJAlsXEwJv+wcWS9XaXdMw==",
+      "dev": true
+    },
     "@types/node": {
       "version": "7.0.70",
       "resolved": "https://registry.npmjs.org/@types/node/-/node-7.0.70.tgz",
@@ -69,18 +85,18 @@
       }
     },
     "acorn-jsx": {
-      "version": "3.0.1",
-      "resolved": "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-3.0.1.tgz",
-      "integrity": "sha1-r9+UiPsezvyDSPb7IvRk4ypYs2s=",
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-4.1.1.tgz",
+      "integrity": "sha512-JY+iV6r+cO21KtntVvFkD+iqjtdpRUpGqKWgfkCdZq1R+kbreEl8EcdcJR4SmiIgsIQT33s6QzheQ9a275Q8xw==",
       "dev": true,
       "requires": {
-        "acorn": "^3.0.4"
+        "acorn": "^5.0.3"
       },
       "dependencies": {
         "acorn": {
-          "version": "3.3.0",
-          "resolved": "https://registry.npmjs.org/acorn/-/acorn-3.3.0.tgz",
-          "integrity": "sha1-ReN/s56No/JbruP/U2niu18iAXo=",
+          "version": "5.7.3",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.7.3.tgz",
+          "integrity": "sha512-T/zvzYRfbVojPWahDsE5evJdHb3oJoQfFbsrKM7w5Zcs++Tr257tia3BmMP8XYVjp1S9RZXQMh7gao96BlqZOw==",
           "dev": true
         }
       }
@@ -146,9 +162,9 @@
       }
     },
     "ajv-keywords": {
-      "version": "1.5.1",
-      "resolved": "https://registry.npmjs.org/ajv-keywords/-/ajv-keywords-1.5.1.tgz",
-      "integrity": "sha1-MU3QpLM2j609/NxU7eYXG4htrzw=",
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/ajv-keywords/-/ajv-keywords-3.2.0.tgz",
+      "integrity": "sha1-6GuBnGAs+IIa1jdBNpjx3sAhhHo=",
       "dev": true
     },
     "align-text": {
@@ -211,9 +227,9 @@
       }
     },
     "ansi-escapes": {
-      "version": "1.4.0",
-      "resolved": "https://registry.npmjs.org/ansi-escapes/-/ansi-escapes-1.4.0.tgz",
-      "integrity": "sha1-06ioOzGapneTZisT52HHkRQiMG4=",
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/ansi-escapes/-/ansi-escapes-3.1.0.tgz",
+      "integrity": "sha512-UgAb8H9D41AQnu/PbWlCofQVcnV4Gs2bBJi9eZPxfU/hgglFh3SMDMENRIqdr7H6XFnXdoknctFByVsCOotTVw==",
       "dev": true
     },
     "ansi-regex": {
@@ -329,6 +345,12 @@
       "integrity": "sha1-NgSLv/TntH4TZkQxbJlmnqWukfE=",
       "dev": true
     },
+    "arr-union": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/arr-union/-/arr-union-3.1.0.tgz",
+      "integrity": "sha1-45sJrqne+Gao8gbiiK9jkZuuOcQ=",
+      "dev": true
+    },
     "array-filter": {
       "version": "0.0.1",
       "resolved": "https://registry.npmjs.org/array-filter/-/array-filter-0.0.1.tgz",
@@ -347,6 +369,16 @@
       "integrity": "sha1-nlKHYrSpBmrRY6aWKjZEGOlibs4=",
       "dev": true
     },
+    "array-includes": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/array-includes/-/array-includes-3.0.3.tgz",
+      "integrity": "sha1-GEtI9i2S10UrsxsyMWXH+L0CJm0=",
+      "dev": true,
+      "requires": {
+        "define-properties": "^1.1.2",
+        "es-abstract": "^1.7.0"
+      }
+    },
     "array-iterate": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/array-iterate/-/array-iterate-1.1.2.tgz",
@@ -386,16 +418,6 @@
       "integrity": "sha1-odl8yvy8JiXMcPrc6zalDFiwGlM=",
       "dev": true
     },
-    "array.prototype.find": {
-      "version": "2.0.4",
-      "resolved": "https://registry.npmjs.org/array.prototype.find/-/array.prototype.find-2.0.4.tgz",
-      "integrity": "sha1-VWpcU2LAhkgyPdrrnenRS8GGTJA=",
-      "dev": true,
-      "requires": {
-        "define-properties": "^1.1.2",
-        "es-abstract": "^1.7.0"
-      }
-    },
     "arrify": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/arrify/-/arrify-1.0.1.tgz",
@@ -452,6 +474,12 @@
       "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU=",
       "dev": true
     },
+    "assign-symbols": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/assign-symbols/-/assign-symbols-1.0.0.tgz",
+      "integrity": "sha1-WWZ/QfrdTyDMvCu5a41Pf3jsA2c=",
+      "dev": true
+    },
     "astw": {
       "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/astw/-/astw-2.2.0.tgz",
@@ -479,6 +507,12 @@
       "integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k=",
       "dev": true
     },
+    "atob": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/atob/-/atob-2.1.2.tgz",
+      "integrity": "sha512-Wm6ukoaOGJi/73p/cl2GvLjTI5JM1k/O14isD73YML8StrH/7/lRFgmg8nICZgD3bZZvjwCGxtMOD3wWNAu8cg==",
+      "dev": true
+    },
     "aws-sign2": {
       "version": "0.7.0",
       "resolved": "https://registry.npmjs.org/aws-sign2/-/aws-sign2-0.7.0.tgz",
@@ -514,6 +548,73 @@
       "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c=",
       "dev": true
     },
+    "base": {
+      "version": "0.11.2",
+      "resolved": "https://registry.npmjs.org/base/-/base-0.11.2.tgz",
+      "integrity": "sha512-5T6P4xPgpp0YDFvSWwEZ4NoE3aM4QBQXDzmVbraCkFj8zHM+mba8SyqB5DbZWyR7mYHo6Y7BdQo3MoA4m0TeQg==",
+      "dev": true,
+      "requires": {
+        "cache-base": "^1.0.1",
+        "class-utils": "^0.3.5",
+        "component-emitter": "^1.2.1",
+        "define-property": "^1.0.0",
+        "isobject": "^3.0.1",
+        "mixin-deep": "^1.2.0",
+        "pascalcase": "^0.1.1"
+      },
+      "dependencies": {
+        "define-property": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/define-property/-/define-property-1.0.0.tgz",
+          "integrity": "sha1-dp66rz9KY6rTr56NMEybvnm/sOY=",
+          "dev": true,
+          "requires": {
+            "is-descriptor": "^1.0.0"
+          }
+        },
+        "is-accessor-descriptor": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-1.0.0.tgz",
+          "integrity": "sha512-m5hnHTkcVsPfqx3AKlyttIPb7J+XykHvJP2B9bZDjlhLIoEq4XoK64Vg7boZlVWYK6LUY94dYPEE7Lh0ZkZKcQ==",
+          "dev": true,
+          "requires": {
+            "kind-of": "^6.0.0"
+          }
+        },
+        "is-data-descriptor": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-1.0.0.tgz",
+          "integrity": "sha512-jbRXy1FmtAoCjQkVmIVYwuuqDFUbaOeDjmed1tOGPrsMhtJA4rD9tkgA0F1qJ3gRFRXcHYVkdeaP50Q5rE/jLQ==",
+          "dev": true,
+          "requires": {
+            "kind-of": "^6.0.0"
+          }
+        },
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-    "user-home": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/user-home/-/user-home-2.0.0.tgz",
-      "integrity": "sha1-nHC/2Babwdy/SGBODwS4tJzenp8=",
-      "dev": true,
-      "requires": {
-        "os-homedir": "^1.0.0"
-      }
+    "use": {
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/use/-/use-3.1.1.tgz",
+      "integrity": "sha512-cwESVXlO3url9YWlFW/TA9cshCEhtu7IKJ/p5soJ/gGpj7vbvFrAY/eIioQ6Dw23KjZhYgiIo8HOs1nQ2vr/oQ==",
+      "dev": true
     },
     "util": {
       "version": "0.10.3",
@@ -10005,6 +11512,15 @@
         "matcher-collection": "^1.0.0"
       }
     },
+    "wcwidth": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/wcwidth/-/wcwidth-1.0.1.tgz",
+      "integrity": "sha1-8LDc+RW8X/FSivrbLA4XtTLaL+g=",
+      "dev": true,
+      "requires": {
+        "defaults": "^1.0.3"
+      }
+    },
     "webidl-conversions": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-2.0.1.tgz",
diff --git a/package.json b/package.json
index dab0b29ea80..4ee3678b672 100644
--- a/package.json
+++ b/package.json
@@ -29,8 +29,8 @@
     "request": "^2.88.0",
     "semver": "^5.5.0",
     "serve": "^6.5.8",
-    "standard": "^10.0.0",
-    "standard-markdown": "^4.0.0",
+    "standard": "^12.0.0",
+    "standard-markdown": "^5.0.0",
     "sumchecker": "^2.0.2",
     "temp": "^0.8.3"
   },
diff --git a/script/ci-release-build.js b/script/ci-release-build.js
index be9f9597387..04c8cb5a7dd 100644
--- a/script/ci-release-build.js
+++ b/script/ci-release-build.js
@@ -14,7 +14,7 @@ const circleCIJobs = [
   'electron-linux-arm',
   'electron-linux-arm64',
   'electron-linux-ia32',
-//  'electron-linux-mips64el',
+  //  'electron-linux-mips64el',
   'electron-linux-x64'
 ]
 
diff --git a/script/cpplint.js b/script/cpplint.js
index f54acc54161..2baef34406e 100755
--- a/script/cpplint.js
+++ b/script/cpplint.js
@@ -12,7 +12,7 @@ function callCpplint (filenames, args) {
   const linter = 'cpplint.py'
   if (args.verbose) console.log([linter, ...filenames].join(' '))
   try {
-    childProcess.execFile(linter, filenames, {cwd: SOURCE_ROOT}, error => {
+    childProcess.execFile(linter, filenames, { cwd: SOURCE_ROOT }, error => {
       if (error) {
         for (const line of error.message.split(/[\r\n]+/)) {
           if (line.length && !line.startsWith('Done processing ')) {
diff --git a/script/find-release.js b/script/find-release.js
index d8cfb2be8af..08380c7471f 100644
--- a/script/find-release.js
+++ b/script/find-release.js
@@ -11,7 +11,7 @@ if (process.argv.length < 3) {
 const version = process.argv[2]
 
 async function findRelease () {
-  github.authenticate({type: 'token', token: process.env.ELECTRON_GITHUB_TOKEN})
+  github.authenticate({ type: 'token', token: process.env.ELECTRON_GITHUB_TOKEN })
   let releases = await github.repos.getReleases({
     owner: 'electron',
     repo: version.indexOf('nightly') > 0 ? 'nightlies' : 'electron'
diff --git a/script/prepare-release.js b/script/prepare-release.js
index 72a28b719bf..9be3bcd6bbf 100755
--- a/script/prepare-release.js
+++ b/script/prepare-release.js
@@ -28,7 +28,7 @@ if (!versionType && !args.notesOnly) {
 
 const github = new GitHub()
 const gitDir = path.resolve(__dirname, '..')
-github.authenticate({type: 'token', token: process.env.ELECTRON_GITHUB_TOKEN})
+github.authenticate({ type: 'token', token: process.env.ELECTRON_GITHUB_TOKEN })
 
 async function getNewVersion (dryRun) {
   if (!dryRun) {
@@ -43,7 +43,7 @@ async function getNewVersion (dryRun) {
     scriptArgs.push('--dry-run')
   }
   try {
-    let bumpVersion = execSync(scriptArgs.join(' '), {encoding: 'UTF-8'})
+    let bumpVersion = execSync(scriptArgs.join(' '), { encoding: 'UTF-8' })
     bumpVersion = bumpVersion.substr(bumpVersion.indexOf(':') + 1).trim()
     let newVersion = `v${bumpVersion}`
     if (!dryRun) {
diff --git a/script/publish-to-npm.js b/script/publish-to-npm.js
index 27290c513bb..0fcbd7b0ea8 100644
--- a/script/publish-to-npm.js
+++ b/script/publish-to-npm.js
@@ -3,7 +3,7 @@ const fs = require('fs')
 const path = require('path')
 const childProcess = require('child_process')
 const GitHubApi = require('github')
-const {GitProcess} = require('dugite')
+const { GitProcess } = require('dugite')
 const request = require('request')
 const rootPackageJson = require('../package.json')
 
@@ -19,7 +19,7 @@ const github = new GitHubApi({
 })
 
 let tempDir
-temp.track()   // track and cleanup files at exit
+temp.track() // track and cleanup files at exit
 
 const files = [
   'cli.js',
@@ -51,92 +51,92 @@ new Promise((resolve, reject) => {
     }
   })
 })
-.then((dirPath) => {
-  tempDir = dirPath
-  // copy files from `/npm` to temp directory
-  files.forEach((name) => {
-    const noThirdSegment = name === 'README.md' || name === 'LICENSE'
+  .then((dirPath) => {
+    tempDir = dirPath
+    // copy files from `/npm` to temp directory
+    files.forEach((name) => {
+      const noThirdSegment = name === 'README.md' || name === 'LICENSE'
+      fs.writeFileSync(
+        path.join(tempDir, name),
+        fs.readFileSync(path.join(__dirname, '..', noThirdSegment ? '' : 'npm', name))
+      )
+    })
+    // copy from root package.json to temp/package.json
+    const packageJson = require(path.join(tempDir, 'package.json'))
+    jsonFields.forEach((fieldName) => {
+      packageJson[fieldName] = rootPackageJson[fieldName]
+    })
     fs.writeFileSync(
-      path.join(tempDir, name),
-      fs.readFileSync(path.join(__dirname, '..', noThirdSegment ? '' : 'npm', name))
+      path.join(tempDir, 'package.json'),
+      JSON.stringify(packageJson, null, 2)
     )
-  })
-  // copy from root package.json to temp/package.json
-  const packageJson = require(path.join(tempDir, 'package.json'))
-  jsonFields.forEach((fieldName) => {
-    packageJson[fieldName] = rootPackageJson[fieldName]
-  })
-  fs.writeFileSync(
-    path.join(tempDir, 'package.json'),
-    JSON.stringify(packageJson, null, 2)
-  )
 
-  return github.repos.getReleases({
-    owner: 'electron',
-    repo: rootPackageJson.version.indexOf('nightly') > 0 ? 'nightlies' : 'electron'
+    return github.repos.getReleases({
+      owner: 'electron',
+      repo: rootPackageJson.version.indexOf('nightly') > 0 ? 'nightlies' : 'electron'
+    })
   })
-})
-.then((releases) => {
+  .then((releases) => {
   // download electron.d.ts from release
-  const release = releases.data.find(
-    (release) => release.tag_name === `v${rootPackageJson.version}`
-  )
-  if (!release) {
-    throw new Error(`cannot find release with tag v${rootPackageJson.version}`)
-  }
-  return release
-})
-.then((release) => {
-  const tsdAsset = release.assets.find((asset) => asset.name === 'electron.d.ts')
-  if (!tsdAsset) {
-    throw new Error(`cannot find electron.d.ts from v${rootPackageJson.version} release assets`)
-  }
-  return new Promise((resolve, reject) => {
-    request.get({
-      url: tsdAsset.url,
-      headers: {
-        'accept': 'application/octet-stream',
-        'user-agent': 'electron-npm-publisher'
-      }
-    }, (err, response, body) => {
-      if (err || response.statusCode !== 200) {
-        reject(err || new Error('Cannot download electron.d.ts'))
-      } else {
-        fs.writeFileSync(path.join(tempDir, 'electron.d.ts'), body)
-        resolve(release)
-      }
-    })
-  })
-})
-.then(async (release) => {
-  if (release.tag_name.indexOf('nightly') > 0) {
-    const currentBranch = await getCurrentBranch()
-    if (currentBranch === 'master') {
-      npmTag = 'nightly'
-    } else {
-      npmTag = `nightly-${currentBranch}`
+    const release = releases.data.find(
+      (release) => release.tag_name === `v${rootPackageJson.version}`
+    )
+    if (!release) {
+      throw new Error(`cannot find release with tag v${rootPackageJson.version}`)
     }
-  } else {
-    npmTag = release.prerelease ? 'beta' : 'latest'
-  }
-})
-.then(() => childProcess.execSync('npm pack', { cwd: tempDir }))
-.then(() => {
-  // test that the package can install electron prebuilt from github release
-  const tarballPath = path.join(tempDir, `${rootPackageJson.name}-${rootPackageJson.version}.tgz`)
-  return new Promise((resolve, reject) => {
-    childProcess.execSync(`npm install ${tarballPath} --force --silent`, {
-      env: Object.assign({}, process.env, { electron_config_cache: tempDir }),
-      cwd: tempDir
-    })
-    resolve(tarballPath)
+    return release
+  })
+  .then((release) => {
+    const tsdAsset = release.assets.find((asset) => asset.name === 'electron.d.ts')
+    if (!tsdAsset) {
+      throw new Error(`cannot find electron.d.ts from v${rootPackageJson.version} release assets`)
+    }
+    return new Promise((resolve, reject) => {
+      request.get({
+        url: tsdAsset.url,
+        headers: {
+          'accept': 'application/octet-stream',
+          'user-agent': 'electron-npm-publisher'
+        }
+      }, (err, response, body) => {
+        if (err || response.statusCode !== 200) {
+          reject(err || new Error('Cannot download electron.d.ts'))
+        } else {
+          fs.writeFileSync(path.join(tempDir, 'electron.d.ts'), body)
+          resolve(release)
+        }
+      })
+    })
+  })
+  .then(async (release) => {
+    if (release.tag_name.indexOf('nightly') > 0) {
+      const currentBranch = await getCurrentBranch()
+      if (currentBranch === 'master') {
+        npmTag = 'nightly'
+      } else {
+        npmTag = `nightly-${currentBranch}`
+      }
+    } else {
+      npmTag = release.prerelease ? 'beta' : 'latest'
+    }
+  })
+  .then(() => childProcess.execSync('npm pack', { cwd: tempDir }))
+  .then(() => {
+  // test that the package can install electron prebuilt from github release
+    const tarballPath = path.join(tempDir, `${rootPackageJson.name}-${rootPackageJson.version}.tgz`)
+    return new Promise((resolve, reject) => {
+      childProcess.execSync(`npm install ${tarballPath} --force --silent`, {
+        env: Object.assign({}, process.env, { electron_config_cache: tempDir }),
+        cwd: tempDir
+      })
+      resolve(tarballPath)
+    })
+  })
+  .then((tarballPath) => childProcess.execSync(`npm publish ${tarballPath} --tag ${npmTag} --otp=${process.env.ELECTRON_NPM_OTP}`))
+  .catch((err) => {
+    console.error(`Error: ${err}`)
+    process.exit(1)
   })
-})
-.then((tarballPath) => childProcess.execSync(`npm publish ${tarballPath} --tag ${npmTag} --otp=${process.env.ELECTRON_NPM_OTP}`))
-.catch((err) => {
-  console.error(`Error: ${err}`)
-  process.exit(1)
-})
 
 async function getCurrentBranch () {
   const gitDir = path.resolve(__dirname, '..')
diff --git a/script/release-notes/index.js b/script/release-notes/index.js
index c6c12638b79..456d5e037aa 100644
--- a/script/release-notes/index.js
+++ b/script/release-notes/index.js
@@ -430,7 +430,7 @@ Some documentation updates, fixes and reworks: ${
     : this.docs.sort((a, b) => a.prNumber.localeCompare(b.prNumber)).map(note => note.prNumber).join(', ')
 }
 ${this.unknown.filter(n => !n.reverted).length > 0
-? `## Unknown (fix these before publishing release)
+    ? `## Unknown (fix these before publishing release)
 
 ${this.list(this.unknown)}
 ` : ''}`
diff --git a/script/release.js b/script/release.js
index 84e00ad4f30..9d24706ad0e 100755
--- a/script/release.js
+++ b/script/release.js
@@ -22,10 +22,10 @@ let failureCount = 0
 const github = new GitHub({
   followRedirects: false
 })
-github.authenticate({type: 'token', token: process.env.ELECTRON_GITHUB_TOKEN})
+github.authenticate({ type: 'token', token: process.env.ELECTRON_GITHUB_TOKEN })
 
 async function getDraftRelease (version, skipValidation) {
-  let releaseInfo = await github.repos.getReleases({owner: 'electron', repo: targetRepo})
+  let releaseInfo = await github.repos.getReleases({ owner: 'electron', repo: targetRepo })
   let drafts
   let versionToCheck
   if (version) {
diff --git a/script/upload-to-github.js b/script/upload-to-github.js
index 2facda2daa1..a93146d9a6c 100644
--- a/script/upload-to-github.js
+++ b/script/upload-to-github.js
@@ -2,7 +2,7 @@ if (!process.env.CI) require('dotenv-safe').load()
 
 const GitHub = require('github')
 const github = new GitHub()
-github.authenticate({type: 'token', token: process.env.ELECTRON_GITHUB_TOKEN})
+github.authenticate({ type: 'token', token: process.env.ELECTRON_GITHUB_TOKEN })
 
 if (process.argv.length < 6) {
   console.log('Usage: upload-to-github filePath fileName releaseId')
diff --git a/spec/api-app-spec.js b/spec/api-app-spec.js
index 22aa243f8c6..c50061887b9 100644
--- a/spec/api-app-spec.js
+++ b/spec/api-app-spec.js
@@ -6,12 +6,12 @@ const https = require('https')
 const net = require('net')
 const fs = require('fs')
 const path = require('path')
-const {ipcRenderer, remote} = require('electron')
-const {emittedOnce} = require('./events-helpers')
-const {closeWindow} = require('./window-helpers')
+const { ipcRenderer, remote } = require('electron')
+const { emittedOnce } = require('./events-helpers')
+const { closeWindow } = require('./window-helpers')
 
-const {expect} = chai
-const {app, BrowserWindow, Menu, ipcMain} = remote
+const { expect } = chai
+const { app, BrowserWindow, Menu, ipcMain } = remote
 
 const isCI = remote.getGlobal('isCi')
 
@@ -273,7 +273,7 @@ describe('app module', () => {
     })
 
     it('sets the current activity', () => {
-      app.setUserActivity('com.electron.testActivity', {testData: '123'})
+      app.setUserActivity('com.electron.testActivity', { testData: '123' })
       expect(app.getCurrentActivityType()).to.equal('com.electron.testActivity')
     })
   })
@@ -431,17 +431,17 @@ describe('app module', () => {
     })
 
     beforeEach(() => {
-      app.setLoginItemSettings({openAtLogin: false})
-      app.setLoginItemSettings({openAtLogin: false, path: updateExe, args: processStartArgs})
+      app.setLoginItemSettings({ openAtLogin: false })
+      app.setLoginItemSettings({ openAtLogin: false, path: updateExe, args: processStartArgs })
     })
 
     afterEach(() => {
-      app.setLoginItemSettings({openAtLogin: false})
-      app.setLoginItemSettings({openAtLogin: false, path: updateExe, args: processStartArgs})
+      app.setLoginItemSettings({ openAtLogin: false })
+      app.setLoginItemSettings({ openAtLogin: false, path: updateExe, args: processStartArgs })
     })
 
     it('returns the login item status of the app', done => {
-      app.setLoginItemSettings({openAtLogin: true})
+      app.setLoginItemSettings({ openAtLogin: true })
       expect(app.getLoginItemSettings()).to.deep.equal({
         openAtLogin: true,
         openAsHidden: false,
@@ -450,7 +450,7 @@ describe('app module', () => {
         restoreState: false
       })
 
-      app.setLoginItemSettings({openAtLogin: true, openAsHidden: true})
+      app.setLoginItemSettings({ openAtLogin: true, openAsHidden: true })
       expect(app.getLoginItemSettings()).to.deep.equal({
         openAtLogin: true,
         openAsHidden: process.platform === 'darwin' && !process.mas, // Only available on macOS
@@ -481,7 +481,7 @@ describe('app module', () => {
         return
       }
 
-      app.setLoginItemSettings({openAtLogin: true, path: updateExe, args: processStartArgs})
+      app.setLoginItemSettings({ openAtLogin: true, path: updateExe, args: processStartArgs })
 
       expect(app.getLoginItemSettings().openAtLogin).to.be.false()
       expect(app.getLoginItemSettings({
@@ -786,7 +786,7 @@ describe('app module', () => {
       expect(appMetrics).to.be.an('array').and.have.lengthOf.at.least(1, 'App memory info object is not > 0')
 
       const types = []
-      for (const {pid, type, cpu} of appMetrics) {
+      for (const { pid, type, cpu } of appMetrics) {
         expect(pid).to.be.above(0, 'pid is not > 0')
         expect(type).to.be.a('string').that.is.not.empty()
 
diff --git a/spec/api-auto-updater-spec.js b/spec/api-auto-updater-spec.js
index e9d2dea2aff..0622f156792 100644
--- a/spec/api-auto-updater-spec.js
+++ b/spec/api-auto-updater-spec.js
@@ -1,6 +1,6 @@
-const {autoUpdater} = require('electron').remote
-const {ipcRenderer} = require('electron')
-const {expect} = require('chai')
+const { autoUpdater } = require('electron').remote
+const { ipcRenderer } = require('electron')
+const { expect } = require('chai')
 
 describe('autoUpdater module', function () {
   // XXX(alexeykuzmin): Calling `.skip()` in a 'before' hook
diff --git a/spec/api-browser-view-spec.js b/spec/api-browser-view-spec.js
index 968912a4abf..adf6ea16150 100644
--- a/spec/api-browser-view-spec.js
+++ b/spec/api-browser-view-spec.js
@@ -2,12 +2,12 @@
 
 const chai = require('chai')
 const dirtyChai = require('dirty-chai')
-const {closeWindow} = require('./window-helpers')
+const { closeWindow } = require('./window-helpers')
 
-const {remote} = require('electron')
-const {BrowserView, BrowserWindow} = remote
+const { remote } = require('electron')
+const { BrowserView, BrowserWindow } = remote
 
-const {expect} = chai
+const { expect } = chai
 chai.use(dirtyChai)
 
 describe('BrowserView module', () => {
diff --git a/spec/api-browser-window-affinity-spec.js b/spec/api-browser-window-affinity-spec.js
index 1bf59960c12..9d383ee3057 100644
--- a/spec/api-browser-window-affinity-spec.js
+++ b/spec/api-browser-window-affinity-spec.js
@@ -1,11 +1,11 @@
 'use strict'
 
-const {expect} = require('chai')
+const { expect } = require('chai')
 const path = require('path')
 
-const {remote} = require('electron')
-const {ipcMain, BrowserWindow} = remote
-const {closeWindow} = require('./window-helpers')
+const { remote } = require('electron')
+const { ipcMain, BrowserWindow } = remote
+const { closeWindow } = require('./window-helpers')
 
 describe('BrowserWindow with affinity module', () => {
   const fixtures = path.resolve(__dirname, 'fixtures')
@@ -30,14 +30,14 @@ describe('BrowserWindow with affinity module', () => {
     let mAffinityWindow
     before(done => {
       createWindowWithWebPrefs({ affinity: myAffinityName })
-      .then((w) => {
-        mAffinityWindow = w
-        done()
-      })
+        .then((w) => {
+          mAffinityWindow = w
+          done()
+        })
     })
 
     after(done => {
-      closeWindow(mAffinityWindow, {assertSingleWindow: false}).then(() => {
+      closeWindow(mAffinityWindow, { assertSingleWindow: false }).then(() => {
         mAffinityWindow = null
         done()
       })
@@ -45,46 +45,46 @@ describe('BrowserWindow with affinity module', () => {
 
     it('should have a different process id than a default window', done => {
       createWindowWithWebPrefs({})
-      .then(w => {
-        const affinityID = mAffinityWindow.webContents.getOSProcessId()
-        const wcID = w.webContents.getOSProcessId()
+        .then(w => {
+          const affinityID = mAffinityWindow.webContents.getOSProcessId()
+          const wcID = w.webContents.getOSProcessId()
 
-        expect(affinityID).to.not.equal(wcID, 'Should have different OS process IDs')
-        closeWindow(w, {assertSingleWindow: false}).then(() => { done() })
-      })
+          expect(affinityID).to.not.equal(wcID, 'Should have different OS process IDs')
+          closeWindow(w, { assertSingleWindow: false }).then(() => { done() })
+        })
     })
 
     it(`should have a different process id than a window with a different affinity '${anotherAffinityName}'`, done => {
       createWindowWithWebPrefs({ affinity: anotherAffinityName })
-      .then(w => {
-        const affinityID = mAffinityWindow.webContents.getOSProcessId()
-        const wcID = w.webContents.getOSProcessId()
+        .then(w => {
+          const affinityID = mAffinityWindow.webContents.getOSProcessId()
+          const wcID = w.webContents.getOSProcessId()
 
-        expect(affinityID).to.not.equal(wcID, 'Should have different OS process IDs')
-        closeWindow(w, {assertSingleWindow: false}).then(() => { done() })
-      })
+          expect(affinityID).to.not.equal(wcID, 'Should have different OS process IDs')
+          closeWindow(w, { assertSingleWindow: false }).then(() => { done() })
+        })
     })
 
     it(`should have the same OS process id than a window with the same affinity '${myAffinityName}'`, done => {
       createWindowWithWebPrefs({ affinity: myAffinityName })
-      .then(w => {
-        const affinityID = mAffinityWindow.webContents.getOSProcessId()
-        const wcID = w.webContents.getOSProcessId()
+        .then(w => {
+          const affinityID = mAffinityWindow.webContents.getOSProcessId()
+          const wcID = w.webContents.getOSProcessId()
 
-        expect(affinityID).to.equal(wcID, 'Should have the same OS process ID')
-        closeWindow(w, {assertSingleWindow: false}).then(() => { done() })
-      })
+          expect(affinityID).to.equal(wcID, 'Should have the same OS process ID')
+          closeWindow(w, { assertSingleWindow: false }).then(() => { done() })
+        })
     })
 
     it(`should have the same OS process id than a window with an equivalent affinity '${myAffinityNameUpper}' (case insensitive)`, done => {
       createWindowWithWebPrefs({ affinity: myAffinityNameUpper })
-      .then(w => {
-        const affinityID = mAffinityWindow.webContents.getOSProcessId()
-        const wcID = w.webContents.getOSProcessId()
+        .then(w => {
+          const affinityID = mAffinityWindow.webContents.getOSProcessId()
+          const wcID = w.webContents.getOSProcessId()
 
-        expect(affinityID).to.equal(wcID, 'Should have the same OS process ID')
-        closeWindow(w, {assertSingleWindow: false}).then(() => { done() })
-      })
+          expect(affinityID).to.equal(wcID, 'Should have the same OS process ID')
+          closeWindow(w, { assertSingleWindow: false }).then(() => { done() })
+        })
     })
   })
 
@@ -117,7 +117,7 @@ describe('BrowserWindow with affinity module', () => {
           nodeIntegration: false
         })
       ]).then(args => {
-        closeWindow(args[1], {assertSingleWindow: false}).then(() => { done() })
+        closeWindow(args[1], { assertSingleWindow: false }).then(() => { done() })
       })
     })
     it('disables node integration when first window is false', done => {
@@ -141,8 +141,8 @@ describe('BrowserWindow with affinity module', () => {
         ])
       }).then(ws => {
         return Promise.all([
-          closeWindow(ws[1], {assertSingleWindow: false}),
-          closeWindow(ws[2], {assertSingleWindow: false})
+          closeWindow(ws[1], { assertSingleWindow: false }),
+          closeWindow(ws[2], { assertSingleWindow: false })
         ])
       }).then(() => { done() })
     })
@@ -156,7 +156,7 @@ describe('BrowserWindow with affinity module', () => {
           nodeIntegration: true
         })
       ]).then(args => {
-        closeWindow(args[1], {assertSingleWindow: false}).then(() => { done() })
+        closeWindow(args[1], { assertSingleWindow: false }).then(() => { done() })
       })
     })
 
@@ -181,8 +181,8 @@ describe('BrowserWindow with affinity module', () => {
         ])
       }).then(ws => {
         return Promise.all([
-          closeWindow(ws[1], {assertSingleWindow: false}),
-          closeWindow(ws[2], {assertSingleWindow: false})
+          closeWindow(ws[1], { assertSingleWindow: false }),
+          closeWindow(ws[2], { assertSingleWindow: false })
         ])
       }).then(() => { done() })
     })
diff --git a/spec/api-browser-window-spec.js b/spec/api-browser-window-spec.js
index 7e33dcd509a..2d612ba48b0 100644
--- a/spec/api-browser-window-spec.js
+++ b/spec/api-browser-window-spec.js
@@ -8,13 +8,14 @@ const path = require('path')
 const os = require('os')
 const qs = require('querystring')
 const http = require('http')
-const {closeWindow} = require('./window-helpers')
-const {emittedOnce} = require('./events-helpers')
-const {ipcRenderer, remote, screen} = require('electron')
-const {app, ipcMain, BrowserWindow, BrowserView, protocol, session, webContents} = remote
+const { closeWindow } = require('./window-helpers')
+const { emittedOnce } = require('./events-helpers')
+const { resolveGetters } = require('./assert-helpers')
+const { ipcRenderer, remote, screen } = require('electron')
+const { app, ipcMain, BrowserWindow, BrowserView, protocol, session, webContents } = remote
 
 const features = process.atomBinding('features')
-const {expect} = chai
+const { expect } = chai
 const isCI = remote.getGlobal('isCi')
 const nativeModulesEnabled = remote.getGlobal('nativeModulesEnabled')
 
@@ -155,7 +156,7 @@ describe('BrowserWindow module', () => {
         const test = path.join(fixtures, 'api', 'unload')
         const content = fs.readFileSync(test)
         fs.unlinkSync(test)
-        assert.equal(String(content), 'unload')
+        assert.strictEqual(String(content), 'unload')
         done()
       })
       w.loadFile(path.join(fixtures, 'api', 'unload.html'))
@@ -180,7 +181,7 @@ describe('BrowserWindow module', () => {
       function * genNavigationEvent () {
         let eventOptions = null
         while ((eventOptions = events.shift()) && events.length) {
-          let w = new BrowserWindow({show: false})
+          let w = new BrowserWindow({ show: false })
           eventOptions.id = w.id
           eventOptions.responseEvent = responseEvent
           ipcRenderer.send('test-webcontents-navigation-observer', eventOptions)
@@ -202,7 +203,7 @@ describe('BrowserWindow module', () => {
         const test = path.join(fixtures, 'api', 'close')
         const content = fs.readFileSync(test)
         fs.unlinkSync(test)
-        assert.equal(String(content), 'close')
+        assert.strictEqual(String(content), 'close')
         done()
       })
       w.loadFile(path.join(fixtures, 'api', 'close.html'))
@@ -239,25 +240,25 @@ describe('BrowserWindow module', () => {
     })
     it('should emit did-fail-load event for files that do not exist', (done) => {
       w.webContents.on('did-fail-load', (event, code, desc, url, isMainFrame) => {
-        assert.equal(code, -6)
-        assert.equal(desc, 'ERR_FILE_NOT_FOUND')
-        assert.equal(isMainFrame, true)
+        assert.strictEqual(code, -6)
+        assert.strictEqual(desc, 'ERR_FILE_NOT_FOUND')
+        assert.strictEqual(isMainFrame, true)
         done()
       })
       w.loadURL('file://a.txt')
     })
     it('should emit did-fail-load event for invalid URL', (done) => {
       w.webContents.on('did-fail-load', (event, code, desc, url, isMainFrame) => {
-        assert.equal(desc, 'ERR_INVALID_URL')
-        assert.equal(code, -300)
-        assert.equal(isMainFrame, true)
+        assert.strictEqual(desc, 'ERR_INVALID_URL')
+        assert.strictEqual(code, -300)
+        assert.strictEqual(isMainFrame, true)
         done()
       })
       w.loadURL('http://example:port')
     })
     it('should set `mainFrame = false` on did-fail-load events in iframes', (done) => {
       w.webContents.on('did-fail-load', (event, code, desc, url, isMainFrame) => {
-        assert.equal(isMainFrame, false)
+        assert.strictEqual(isMainFrame, false)
         done()
       })
       w.loadFile(path.join(fixtures, 'api', 'did-fail-load-iframe.html'))
@@ -271,9 +272,9 @@ describe('BrowserWindow module', () => {
     })
     it('should emit did-fail-load event for URL exceeding character limit', (done) => {
       w.webContents.on('did-fail-load', (event, code, desc, url, isMainFrame) => {
-        assert.equal(desc, 'ERR_INVALID_URL')
-        assert.equal(code, -300)
-        assert.equal(isMainFrame, true)
+        assert.strictEqual(desc, 'ERR_INVALID_URL')
+        assert.strictEqual(code, -300)
+        assert.strictEqual(isMainFrame, true)
         done()
       })
       const data = Buffer.alloc(2 * 1024 * 1024).toString('base64')
@@ -285,12 +286,12 @@ describe('BrowserWindow module', () => {
 
       it('supports specifying POST data', (done) => {
         w.webContents.on('did-finish-load', () => done())
-        w.loadURL(server.url, {postData: postData})
+        w.loadURL(server.url, { postData: postData })
       })
       it('sets the content type header on URL encoded forms', (done) => {
         w.webContents.on('did-finish-load', () => {
           w.webContents.session.webRequest.onBeforeSendHeaders((details, callback) => {
-            assert.equal(details.requestHeaders['content-type'], 'application/x-www-form-urlencoded')
+            assert.strictEqual(details.requestHeaders['content-type'], 'application/x-www-form-urlencoded')
             done()
           })
           w.webContents.executeJavaScript(`
@@ -328,10 +329,10 @@ describe('BrowserWindow module', () => {
 
     it('should support support base url for data urls', (done) => {
       ipcMain.once('answer', (event, test) => {
-        assert.equal(test, 'test')
+        assert.strictEqual(test, 'test')
         done()
       })
-      w.loadURL('data:text/html,<script src="loaded-from-dataurl.js"></script>', {baseURLForDataURL: `file://${path.join(fixtures, 'api')}${path.sep}`})
+      w.loadURL('data:text/html,<script src="loaded-from-dataurl.js"></script>', { baseURLForDataURL: `file://${path.join(fixtures, 'api')}${path.sep}` })
     })
   })
 
@@ -360,7 +361,7 @@ describe('BrowserWindow module', () => {
     })
     it('emits when window is shown', (done) => {
       w.once('show', () => {
-        assert.equal(w.isVisible(), true)
+        assert.strictEqual(w.isVisible(), true)
         done()
       })
       w.show()
@@ -386,7 +387,7 @@ describe('BrowserWindow module', () => {
     it('emits when window is hidden', (done) => {
       w.show()
       w.once('hide', () => {
-        assert.equal(w.isVisible(), false)
+        assert.strictEqual(w.isVisible(), false)
         done()
       })
       w.hide()
@@ -402,9 +403,9 @@ describe('BrowserWindow module', () => {
 
   describe('BrowserWindow.focus()', () => {
     it('does not make the window become visible', () => {
-      assert.equal(w.isVisible(), false)
+      assert.strictEqual(w.isVisible(), false)
       w.focus()
-      assert.equal(w.isVisible(), false)
+      assert.strictEqual(w.isVisible(), false)
     })
   })
 
@@ -419,10 +420,10 @@ describe('BrowserWindow module', () => {
     it('returns the opener window when dev tools window is focused', (done) => {
       w.show()
       w.webContents.once('devtools-focused', () => {
-        assert.deepEqual(BrowserWindow.getFocusedWindow(), w)
+        assert.deepStrictEqual(BrowserWindow.getFocusedWindow(), w)
         done()
       })
-      w.webContents.openDevTools({mode: 'undocked'})
+      w.webContents.openDevTools({ mode: 'undocked' })
     })
   })
 
@@ -474,8 +475,8 @@ describe('BrowserWindow module', () => {
 
   describe('BrowserWindow.setMinimum/MaximumSize(width, height)', () => {
     it('sets the maximum and minimum size of the window', () => {
-      assert.deepEqual(w.getMinimumSize(), [0, 0])
-      assert.deepEqual(w.getMaximumSize(), [0, 0])
+      assert.deepStrictEqual(w.getMinimumSize(), [0, 0])
+      assert.deepStrictEqual(w.getMaximumSize(), [0, 0])
 
       w.setMinimumSize(100, 100)
       assertBoundsEqual(w.getMinimumSize(), [100, 100])
@@ -505,8 +506,8 @@ describe('BrowserWindow module', () => {
       const pos = [10, 10]
       w.once('move', () => {
         const newPos = w.getPosition()
-        assert.equal(newPos[0], pos[0])
-        assert.equal(newPos[1], pos[1])
+        assert.strictEqual(newPos[0], pos[0])
+        assert.strictEqual(newPos[1], pos[1])
         done()
       })
       w.setPosition(pos[0], pos[1])
@@ -518,8 +519,8 @@ describe('BrowserWindow module', () => {
       const size = [400, 400]
       w.setContentSize(size[0], size[1])
       var after = w.getContentSize()
-      assert.equal(after[0], size[0])
-      assert.equal(after[1], size[1])
+      assert.strictEqual(after[0], size[0])
+      assert.strictEqual(after[1], size[1])
     })
     it('works for a frameless window', () => {
       w.destroy()
@@ -532,14 +533,14 @@ describe('BrowserWindow module', () => {
       const size = [400, 400]
       w.setContentSize(size[0], size[1])
       const after = w.getContentSize()
-      assert.equal(after[0], size[0])
-      assert.equal(after[1], size[1])
+      assert.strictEqual(after[0], size[0])
+      assert.strictEqual(after[1], size[1])
     })
   })
 
   describe('BrowserWindow.setContentBounds(bounds)', () => {
     it('sets the content size and position', (done) => {
-      const bounds = {x: 10, y: 10, width: 250, height: 250}
+      const bounds = { x: 10, y: 10, width: 250, height: 250 }
       w.once('resize', () => {
         assertBoundsEqual(w.getContentBounds(), bounds)
         done()
@@ -554,9 +555,9 @@ describe('BrowserWindow module', () => {
         width: 300,
         height: 300
       })
-      const bounds = {x: 10, y: 10, width: 250, height: 250}
+      const bounds = { x: 10, y: 10, width: 250, height: 250 }
       w.once('resize', () => {
-        assert.deepEqual(w.getContentBounds(), bounds)
+        assert.deepStrictEqual(w.getContentBounds(), bounds)
         done()
       })
       w.setContentBounds(bounds)
@@ -687,30 +688,30 @@ describe('BrowserWindow module', () => {
     })
     it('sets the progress using "paused" mode', () => {
       assert.doesNotThrow(() => {
-        w.setProgressBar(0.5, {mode: 'paused'})
+        w.setProgressBar(0.5, { mode: 'paused' })
       })
     })
     it('sets the progress using "error" mode', () => {
       assert.doesNotThrow(() => {
-        w.setProgressBar(0.5, {mode: 'error'})
+        w.setProgressBar(0.5, { mode: 'error' })
       })
     })
     it('sets the progress using "normal" mode', () => {
       assert.doesNotThrow(() => {
-        w.setProgressBar(0.5, {mode: 'normal'})
+        w.setProgressBar(0.5, { mode: 'normal' })
       })
     })
   })
 
   describe('BrowserWindow.setAlwaysOnTop(flag, level)', () => {
     it('sets the window as always on top', () => {
-      assert.equal(w.isAlwaysOnTop(), false)
+      assert.strictEqual(w.isAlwaysOnTop(), false)
       w.setAlwaysOnTop(true, 'screen-saver')
-      assert.equal(w.isAlwaysOnTop(), true)
+      assert.strictEqual(w.isAlwaysOnTop(), true)
       w.setAlwaysOnTop(false)
-      assert.equal(w.isAlwaysOnTop(), false)
+      assert.strictEqual(w.isAlwaysOnTop(), false)
       w.setAlwaysOnTop(true)
-      assert.equal(w.isAlwaysOnTop(), true)
+      assert.strictEqual(w.isAlwaysOnTop(), true)
     })
     it('raises an error when relativeLevel is out of bounds', function () {
       if (process.platform !== 'darwin') {
@@ -740,13 +741,13 @@ describe('BrowserWindow module', () => {
     })
 
     it('resets the windows level on minimize', () => {
-      assert.equal(w.isAlwaysOnTop(), false)
+      assert.strictEqual(w.isAlwaysOnTop(), false)
       w.setAlwaysOnTop(true, 'screen-saver')
-      assert.equal(w.isAlwaysOnTop(), true)
+      assert.strictEqual(w.isAlwaysOnTop(), true)
       w.minimize()
-      assert.equal(w.isAlwaysOnTop(), false)
+      assert.strictEqual(w.isAlwaysOnTop(), false)
       w.restore()
-      assert.equal(w.isAlwaysOnTop(), true)
+      assert.strictEqual(w.isAlwaysOnTop(), true)
     })
   })
 
@@ -862,10 +863,10 @@ describe('BrowserWindow module', () => {
         w.addTabbedWindow(tabbedWindow)
       })
 
-      assert.equal(BrowserWindow.getAllWindows().length, 3) // Test window + w + tabbedWindow
+      assert.strictEqual(BrowserWindow.getAllWindows().length, 3) // Test window + w + tabbedWindow
 
-      closeWindow(tabbedWindow, {assertSingleWindow: false}).then(() => {
-        assert.equal(BrowserWindow.getAllWindows().length, 2) // Test window + w
+      closeWindow(tabbedWindow, { assertSingleWindow: false }).then(() => {
+        assert.strictEqual(BrowserWindow.getAllWindows().length, 2) // Test window + w
         done()
       })
     })
@@ -927,12 +928,12 @@ describe('BrowserWindow module', () => {
       const iconPath = path.join(fixtures, 'assets', 'icon.ico')
 
       assert.doesNotThrow(() => {
-        w.setAppDetails({appId: 'my.app.id'})
-        w.setAppDetails({appIconPath: iconPath, appIconIndex: 0})
-        w.setAppDetails({appIconPath: iconPath})
-        w.setAppDetails({relaunchCommand: 'my-app.exe arg1 arg2', relaunchDisplayName: 'My app name'})
-        w.setAppDetails({relaunchCommand: 'my-app.exe arg1 arg2'})
-        w.setAppDetails({relaunchDisplayName: 'My app name'})
+        w.setAppDetails({ appId: 'my.app.id' })
+        w.setAppDetails({ appIconPath: iconPath, appIconIndex: 0 })
+        w.setAppDetails({ appIconPath: iconPath })
+        w.setAppDetails({ relaunchCommand: 'my-app.exe arg1 arg2', relaunchDisplayName: 'My app name' })
+        w.setAppDetails({ relaunchCommand: 'my-app.exe arg1 arg2' })
+        w.setAppDetails({ relaunchDisplayName: 'My app name' })
         w.setAppDetails({
           appId: 'my.app.id',
           appIconPath: iconPath,
@@ -951,7 +952,7 @@ describe('BrowserWindow module', () => {
 
   describe('BrowserWindow.fromId(id)', () => {
     it('returns the window with id', () => {
-      assert.equal(w.id, BrowserWindow.fromId(w.id).id)
+      assert.strictEqual(w.id, BrowserWindow.fromId(w.id).id)
     })
   })
 
@@ -963,8 +964,8 @@ describe('BrowserWindow module', () => {
     afterEach(() => { contents.destroy() })
 
     it('returns the window with the webContents', () => {
-      assert.equal(BrowserWindow.fromWebContents(w.webContents).id, w.id)
-      assert.equal(BrowserWindow.fromWebContents(contents), undefined)
+      assert.strictEqual(BrowserWindow.fromWebContents(w.webContents).id, w.id)
+      assert.strictEqual(BrowserWindow.fromWebContents(contents), undefined)
     })
   })
 
@@ -977,9 +978,9 @@ describe('BrowserWindow module', () => {
 
     it('returns the window with the webContents', (done) => {
       w.webContents.once('devtools-opened', () => {
-        assert.equal(BrowserWindow.fromDevToolsWebContents(w.devToolsWebContents).id, w.id)
-        assert.equal(BrowserWindow.fromDevToolsWebContents(w.webContents), undefined)
-        assert.equal(BrowserWindow.fromDevToolsWebContents(contents), undefined)
+        assert.strictEqual(BrowserWindow.fromDevToolsWebContents(w.devToolsWebContents).id, w.id)
+        assert.strictEqual(BrowserWindow.fromDevToolsWebContents(w.webContents), undefined)
+        assert.strictEqual(BrowserWindow.fromDevToolsWebContents(contents), undefined)
         done()
       })
       w.webContents.openDevTools()
@@ -1008,12 +1009,12 @@ describe('BrowserWindow module', () => {
     })
 
     it('returns the window with the browserView', () => {
-      assert.equal(BrowserWindow.fromBrowserView(bv).id, w.id)
+      assert.strictEqual(BrowserWindow.fromBrowserView(bv).id, w.id)
     })
 
     it('returns undefined if not attached', () => {
       w.setBrowserView(null)
-      assert.equal(BrowserWindow.fromBrowserView(bv), undefined)
+      assert.strictEqual(BrowserWindow.fromBrowserView(bv), null)
     })
   })
 
@@ -1026,16 +1027,16 @@ describe('BrowserWindow module', () => {
         height: 400,
         opacity: 0.5
       })
-      assert.equal(w.getOpacity(), 0.5)
+      assert.strictEqual(w.getOpacity(), 0.5)
     })
     it('allows setting the opacity', () => {
       assert.doesNotThrow(() => {
         w.setOpacity(0.0)
-        assert.equal(w.getOpacity(), 0.0)
+        assert.strictEqual(w.getOpacity(), 0.0)
         w.setOpacity(0.5)
-        assert.equal(w.getOpacity(), 0.5)
+        assert.strictEqual(w.getOpacity(), 0.5)
         w.setOpacity(1.0)
-        assert.equal(w.getOpacity(), 1.0)
+        assert.strictEqual(w.getOpacity(), 1.0)
       })
     })
   })
@@ -1044,8 +1045,8 @@ describe('BrowserWindow module', () => {
     it('allows setting shape', () => {
       assert.doesNotThrow(() => {
         w.setShape([])
-        w.setShape([{x: 0, y: 0, width: 100, height: 100}])
-        w.setShape([{x: 0, y: 0, width: 100, height: 100}, {x: 0, y: 200, width: 1000, height: 100}])
+        w.setShape([{ x: 0, y: 0, width: 100, height: 100 }])
+        w.setShape([{ x: 0, y: 0, width: 100, height: 100 }, { x: 0, y: 200, width: 1000, height: 100 }])
         w.setShape([])
       })
     })
@@ -1061,13 +1062,13 @@ describe('BrowserWindow module', () => {
         useContentSize: true
       })
       const contentSize = w.getContentSize()
-      assert.equal(contentSize[0], 400)
-      assert.equal(contentSize[1], 400)
+      assert.strictEqual(contentSize[0], 400)
+      assert.strictEqual(contentSize[1], 400)
     })
     it('make window created with window size when not used', () => {
       const size = w.getSize()
-      assert.equal(size[0], 400)
-      assert.equal(size[1], 400)
+      assert.strictEqual(size[0], 400)
+      assert.strictEqual(size[1], 400)
     })
     it('works for a frameless window', () => {
       w.destroy()
@@ -1079,11 +1080,11 @@ describe('BrowserWindow module', () => {
         useContentSize: true
       })
       const contentSize = w.getContentSize()
-      assert.equal(contentSize[0], 400)
-      assert.equal(contentSize[1], 400)
+      assert.strictEqual(contentSize[0], 400)
+      assert.strictEqual(contentSize[1], 400)
       const size = w.getSize()
-      assert.equal(size[0], 400)
-      assert.equal(size[1], 400)
+      assert.strictEqual(size[0], 400)
+      assert.strictEqual(size[1], 400)
     })
   })
 
@@ -1107,7 +1108,7 @@ describe('BrowserWindow module', () => {
         titleBarStyle: 'hidden'
       })
       const contentSize = w.getContentSize()
-      assert.equal(contentSize[1], 400)
+      assert.strictEqual(contentSize[1], 400)
     })
     it('creates browser window with hidden inset title bar', () => {
       w.destroy()
@@ -1118,7 +1119,7 @@ describe('BrowserWindow module', () => {
         titleBarStyle: 'hiddenInset'
       })
       const contentSize = w.getContentSize()
-      assert.equal(contentSize[1], 400)
+      assert.strictEqual(contentSize[1], 400)
     })
   })
 
@@ -1142,8 +1143,8 @@ describe('BrowserWindow module', () => {
     it('can move the window out of screen', () => {
       w.setPosition(-10, -10)
       const after = w.getPosition()
-      assert.equal(after[0], -10)
-      assert.equal(after[1], -10)
+      assert.strictEqual(after[0], -10)
+      assert.strictEqual(after[1], -10)
     })
     it('can set the window larger than screen', () => {
       const size = screen.getPrimaryDisplay().size
@@ -1170,7 +1171,7 @@ describe('BrowserWindow module', () => {
         zoomToPageWidth: true
       })
       w.maximize()
-      assert.equal(w.getSize()[0], 500)
+      assert.strictEqual(w.getSize()[0], 500)
     })
   })
 
@@ -1195,7 +1196,7 @@ describe('BrowserWindow module', () => {
       it('loads the script before other scripts in window', (done) => {
         const preload = path.join(fixtures, 'module', 'set-global.js')
         ipcMain.once('answer', (event, test) => {
-          assert.equal(test, 'preload')
+          assert.strictEqual(test, 'preload')
           done()
         })
         w.destroy()
@@ -1210,7 +1211,7 @@ describe('BrowserWindow module', () => {
       it('can successfully delete the Buffer global', (done) => {
         const preload = path.join(fixtures, 'module', 'delete-buffer.js')
         ipcMain.once('answer', (event, test) => {
-          assert.equal(test.toString(), 'buffer')
+          assert.strictEqual(test.toString(), 'buffer')
           done()
         })
         w.destroy()
@@ -1232,7 +1233,7 @@ describe('BrowserWindow module', () => {
       const defaultSession = session.defaultSession
 
       beforeEach(() => {
-        assert.deepEqual(defaultSession.getPreloads(), [])
+        assert.deepStrictEqual(defaultSession.getPreloads(), [])
         defaultSession.setPreloads(preloads)
       })
       afterEach(() => {
@@ -1240,14 +1241,14 @@ describe('BrowserWindow module', () => {
       })
 
       it('can set multiple session preload script', function () {
-        assert.deepEqual(defaultSession.getPreloads(), preloads)
+        assert.deepStrictEqual(defaultSession.getPreloads(), preloads)
       })
 
       it('loads the script before other scripts in window including normal preloads', function (done) {
         ipcMain.once('vars', function (event, preload1, preload2, preload3) {
-          assert.equal(preload1, 'preload-1')
-          assert.equal(preload2, 'preload-1-2')
-          assert.equal(preload3, 'preload-1-2-3')
+          assert.strictEqual(preload1, 'preload-1')
+          assert.strictEqual(preload2, 'preload-1-2')
+          assert.strictEqual(preload3, 'preload-1-2-3')
           done()
         })
         w.destroy()
@@ -1301,8 +1302,8 @@ describe('BrowserWindow module', () => {
       it('disables node integration when specified to false', (done) => {
         const preload = path.join(fixtures, 'module', 'send-later.js')
         ipcMain.once('answer', (event, typeofProcess, typeofBuffer) => {
-          assert.equal(typeofProcess, 'undefined')
-          assert.equal(typeofBuffer, 'undefined')
+          assert.strictEqual(typeofProcess, 'undefined')
+          assert.strictEqual(typeofBuffer, 'undefined')
           done()
         })
         w.destroy()
@@ -1354,7 +1355,7 @@ describe('BrowserWindow module', () => {
 
       it('exposes ipcRenderer to preload script', (done) => {
         ipcMain.once('answer', function (event, test) {
-          assert.equal(test, 'preload')
+          assert.strictEqual(test, 'preload')
           done()
         })
         w.destroy()
@@ -1371,7 +1372,7 @@ describe('BrowserWindow module', () => {
       it('exposes ipcRenderer to preload script (path has special chars)', function (done) {
         const preloadSpecialChars = path.join(fixtures, 'module', 'preload-sandboxæø åü.js')
         ipcMain.once('answer', function (event, test) {
-          assert.equal(test, 'preload')
+          assert.strictEqual(test, 'preload')
           done()
         })
         w.destroy()
@@ -1402,7 +1403,7 @@ describe('BrowserWindow module', () => {
           if (process.platform === 'win32') {
             expectedUrl = 'file:///' + htmlPath.replace(/\\/g, '/')
           }
-          assert.equal(url, expectedUrl)
+          assert.strictEqual(url, expectedUrl)
           done()
         })
       })
@@ -1425,12 +1426,12 @@ describe('BrowserWindow module', () => {
           if (process.platform === 'win32') {
             expectedUrl = 'file:///' + htmlPath.replace(/\\/g, '/')
           }
-          assert.equal(url, expectedUrl)
-          assert.equal(frameName, 'popup!')
-          assert.equal(options.width, 500)
-          assert.equal(options.height, 600)
+          assert.strictEqual(url, expectedUrl)
+          assert.strictEqual(frameName, 'popup!')
+          assert.strictEqual(options.width, 500)
+          assert.strictEqual(options.height, 600)
           ipcMain.once('answer', function (event, html) {
-            assert.equal(html, '<h1>scripting from opener</h1>')
+            assert.strictEqual(html, '<h1>scripting from opener</h1>')
             done()
           })
         })
@@ -1447,19 +1448,19 @@ describe('BrowserWindow module', () => {
         })
         ipcRenderer.send('set-web-preferences-on-next-new-window', w.webContents.id, 'preload', preload)
         let popupWindow
-        w.loadFile(path.join(fixtures, 'api', 'sandbox.html'), {search: 'window-open-external'})
+        w.loadFile(path.join(fixtures, 'api', 'sandbox.html'), { search: 'window-open-external' })
         w.webContents.once('new-window', (e, url, frameName, disposition, options) => {
-          assert.equal(url, 'http://www.google.com/#q=electron')
-          assert.equal(options.width, 505)
-          assert.equal(options.height, 605)
+          assert.strictEqual(url, 'http://www.google.com/#q=electron')
+          assert.strictEqual(options.width, 505)
+          assert.strictEqual(options.height, 605)
           ipcMain.once('child-loaded', function (event, openerIsNull, html) {
             assert(openerIsNull)
-            assert.equal(html, '<h1>http://www.google.com/#q=electron</h1>')
+            assert.strictEqual(html, '<h1>http://www.google.com/#q=electron</h1>')
             ipcMain.once('answer', function (event, exceptionMessage) {
               assert(/Blocked a frame with origin/.test(exceptionMessage))
 
               // FIXME this popup window should be closed in sandbox.html
-              closeWindow(popupWindow, {assertSingleWindow: false}).then(() => {
+              closeWindow(popupWindow, { assertSingleWindow: false }).then(() => {
                 popupWindow = null
                 done()
               })
@@ -1485,7 +1486,7 @@ describe('BrowserWindow module', () => {
         const preloadPath = path.join(fixtures, 'api', 'new-window-preload.js')
         ipcRenderer.send('set-web-preferences-on-next-new-window', w.webContents.id, 'preload', preloadPath)
         ipcMain.once('answer', (event, args) => {
-          assert.equal(args.includes('--enable-sandbox'), true)
+          assert.strictEqual(args.includes('--enable-sandbox'), true)
           done()
         })
         w.loadFile(path.join(fixtures, 'api', 'new-window.html'))
@@ -1504,7 +1505,7 @@ describe('BrowserWindow module', () => {
         ipcRenderer.send('set-web-preferences-on-next-new-window', w.webContents.id, 'preload', preloadPath)
         ipcRenderer.send('set-web-preferences-on-next-new-window', w.webContents.id, 'foo', 'bar')
         ipcMain.once('answer', (event, args, webPreferences) => {
-          assert.equal(webPreferences.foo, 'bar')
+          assert.strictEqual(webPreferences.foo, 'bar')
           done()
         })
         w.loadFile(path.join(fixtures, 'api', 'new-window.html'))
@@ -1524,22 +1525,22 @@ describe('BrowserWindow module', () => {
         let childWc
         w.webContents.once('new-window', (e, url, frameName, disposition, options) => {
           childWc = options.webContents
-          assert.notEqual(w.webContents, childWc)
+          assert.notStrictEqual(w.webContents, childWc)
         })
         ipcMain.once('parent-ready', function (event) {
-          assert.equal(w.webContents, event.sender)
+          assert.strictEqual(w.webContents, event.sender)
           event.sender.send('verified')
         })
         ipcMain.once('child-ready', function (event) {
           assert(childWc)
-          assert.equal(childWc, event.sender)
+          assert.strictEqual(childWc, event.sender)
           event.sender.send('verified')
         })
         waitForEvents(ipcMain, [
           'parent-answer',
           'child-answer'
         ], done)
-        w.loadFile(path.join(fixtures, 'api', 'sandbox.html'), {search: 'verify-ipc-sender'})
+        w.loadFile(path.join(fixtures, 'api', 'sandbox.html'), { search: 'verify-ipc-sender' })
       })
 
       describe('event handling', () => {
@@ -1547,7 +1548,7 @@ describe('BrowserWindow module', () => {
           waitForEvents(w, [
             'page-title-updated'
           ], done)
-          w.loadFile(path.join(fixtures, 'api', 'sandbox.html'), {search: 'window-events'})
+          w.loadFile(path.join(fixtures, 'api', 'sandbox.html'), { search: 'window-events' })
         })
 
         it('works for stop events', (done) => {
@@ -1556,7 +1557,7 @@ describe('BrowserWindow module', () => {
             'did-fail-load',
             'did-stop-loading'
           ], done)
-          w.loadFile(path.join(fixtures, 'api', 'sandbox.html'), {search: 'webcontents-stop'})
+          w.loadFile(path.join(fixtures, 'api', 'sandbox.html'), { search: 'webcontents-stop' })
         })
 
         it('works for web contents events', (done) => {
@@ -1570,7 +1571,7 @@ describe('BrowserWindow module', () => {
             'did-frame-finish-load',
             'dom-ready'
           ], done)
-          w.loadFile(path.join(fixtures, 'api', 'sandbox.html'), {search: 'webcontents-events'})
+          w.loadFile(path.join(fixtures, 'api', 'sandbox.html'), { search: 'webcontents-events' })
         })
       })
 
@@ -1586,7 +1587,7 @@ describe('BrowserWindow module', () => {
         w.loadURL('data:text/html,%3Ch1%3EHello%2C%20World!%3C%2Fh1%3E')
         w.webContents.once('did-finish-load', () => {
           const printers = w.webContents.getPrinters()
-          assert.equal(Array.isArray(printers), true)
+          assert.strictEqual(Array.isArray(printers), true)
           done()
         })
       })
@@ -1603,9 +1604,9 @@ describe('BrowserWindow module', () => {
         w.loadURL('data:text/html,%3Ch1%3EHello%2C%20World!%3C%2Fh1%3E')
         w.webContents.once('did-finish-load', () => {
           w.webContents.printToPDF({}, function (error, data) {
-            assert.equal(error, null)
-            assert.equal(data instanceof Buffer, true)
-            assert.notEqual(data.length, 0)
+            assert.strictEqual(error, null)
+            assert.strictEqual(data instanceof Buffer, true)
+            assert.notStrictEqual(data.length, 0)
             done()
           })
         })
@@ -1625,7 +1626,7 @@ describe('BrowserWindow module', () => {
           // We need to give it some time so the windows get properly disposed (at least on OSX).
           setTimeout(() => {
             const currentWebContents = webContents.getAllWebContents().map((i) => i.id)
-            assert.deepEqual(currentWebContents, initialWebContents)
+            assert.deepStrictEqual(currentWebContents, initialWebContents)
             done()
           }, 100)
         })
@@ -1642,8 +1643,8 @@ describe('BrowserWindow module', () => {
             sandbox: true
           }
         })
-        w.loadFile(path.join(fixtures, 'api', 'sandbox.html'), {search: 'allocate-memory'})
-        ipcMain.once('answer', function (event, {bytesBeforeOpen, bytesAfterOpen, bytesAfterClose}) {
+        w.loadFile(path.join(fixtures, 'api', 'sandbox.html'), { search: 'allocate-memory' })
+        ipcMain.once('answer', function (event, { bytesBeforeOpen, bytesAfterOpen, bytesAfterClose }) {
           const memoryIncreaseByOpen = bytesAfterOpen - bytesBeforeOpen
           const memoryDecreaseByClose = bytesAfterOpen - bytesAfterClose
           // decreased memory should be less than increased due to factors we
@@ -1665,7 +1666,7 @@ describe('BrowserWindow module', () => {
             sandbox: true
           }
         })
-        w.loadFile(path.join(fixtures, 'api', 'sandbox.html'), {search: 'reload-remote'})
+        w.loadFile(path.join(fixtures, 'api', 'sandbox.html'), { search: 'reload-remote' })
 
         ipcMain.on('get-remote-module-path', (event) => {
           event.returnValue = path.join(fixtures, 'module', 'hello.js')
@@ -1684,7 +1685,7 @@ describe('BrowserWindow module', () => {
         ipcMain.once('answer', (event, arg) => {
           ipcMain.removeAllListeners('reloaded')
           ipcMain.removeAllListeners('get-remote-module-path')
-          assert.equal(arg, 'hi')
+          assert.strictEqual(arg, 'hi')
           done()
         })
       })
@@ -1700,7 +1701,7 @@ describe('BrowserWindow module', () => {
         })
         ipcRenderer.send('set-web-preferences-on-next-new-window', w.webContents.id, 'preload', preload)
 
-        w.loadFile(path.join(fixtures, 'api', 'sandbox.html'), {search: 'reload-remote-child'})
+        w.loadFile(path.join(fixtures, 'api', 'sandbox.html'), { search: 'reload-remote-child' })
 
         ipcMain.on('get-remote-module-path', (event) => {
           event.returnValue = path.join(fixtures, 'module', 'hello-child.js')
@@ -1719,23 +1720,23 @@ describe('BrowserWindow module', () => {
         ipcMain.once('answer', (event, arg) => {
           ipcMain.removeAllListeners('reloaded')
           ipcMain.removeAllListeners('get-remote-module-path')
-          assert.equal(arg, 'hi child window')
+          assert.strictEqual(arg, 'hi child window')
           done()
         })
       })
 
       it('validates process APIs access in sandboxed renderer', (done) => {
         ipcMain.once('answer', function (event, test) {
-          assert.equal(test.pid, w.webContents.getOSProcessId())
-          assert.equal(test.arch, remote.process.arch)
-          assert.equal(test.platform, remote.process.platform)
-          assert.deepEqual(test.env, remote.process.env)
-          assert.equal(test.execPath, remote.process.helperExecPath)
-          assert.equal(test.resourcesPath, remote.process.resourcesPath)
-          assert.equal(test.sandboxed, true)
-          assert.equal(test.type, 'renderer')
-          assert.equal(test.version, remote.process.version)
-          assert.deepEqual(test.versions, remote.process.versions)
+          assert.strictEqual(test.pid, w.webContents.getOSProcessId())
+          assert.strictEqual(test.arch, remote.process.arch)
+          assert.strictEqual(test.platform, remote.process.platform)
+          assert.deepStrictEqual(...resolveGetters(test.env, remote.process.env))
+          assert.strictEqual(test.execPath, remote.process.helperExecPath)
+          assert.strictEqual(test.resourcesPath, remote.process.resourcesPath)
+          assert.strictEqual(test.sandboxed, true)
+          assert.strictEqual(test.type, 'renderer')
+          assert.strictEqual(test.version, remote.process.version)
+          assert.deepStrictEqual(test.versions, remote.process.versions)
           done()
         })
         remote.process.env.sandboxmain = 'foo'
@@ -1781,37 +1782,37 @@ describe('BrowserWindow module', () => {
 
       it('opens window of about:blank with cross-scripting enabled', (done) => {
         ipcMain.once('answer', (event, content) => {
-          assert.equal(content, 'Hello')
+          assert.strictEqual(content, 'Hello')
           done()
         })
         w.loadFile(path.join(fixtures, 'api', 'native-window-open-blank.html'))
       })
       it('opens window of same domain with cross-scripting enabled', (done) => {
         ipcMain.once('answer', (event, content) => {
-          assert.equal(content, 'Hello')
+          assert.strictEqual(content, 'Hello')
           done()
         })
         w.loadFile(path.join(fixtures, 'api', 'native-window-open-file.html'))
       })
       it('blocks accessing cross-origin frames', (done) => {
         ipcMain.once('answer', (event, content) => {
-          assert.equal(content, 'Blocked a frame with origin "file://" from accessing a cross-origin frame.')
+          assert.strictEqual(content, 'Blocked a frame with origin "file://" from accessing a cross-origin frame.')
           done()
         })
         w.loadFile(path.join(fixtures, 'api', 'native-window-open-cross-origin.html'))
       })
       it('opens window from <iframe> tags', (done) => {
         ipcMain.once('answer', (event, content) => {
-          assert.equal(content, 'Hello')
+          assert.strictEqual(content, 'Hello')
           done()
         })
         w.loadFile(path.join(fixtures, 'api', 'native-window-open-iframe.html'))
       });
       (nativeModulesEnabled ? it : it.skip)('loads native addons correctly after reload', (done) => {
         ipcMain.once('answer', (event, content) => {
-          assert.equal(content, 'function')
+          assert.strictEqual(content, 'function')
           ipcMain.once('answer', (event, content) => {
-            assert.equal(content, 'function')
+            assert.strictEqual(content, 'function')
             done()
           })
           w.reload()
@@ -1830,7 +1831,7 @@ describe('BrowserWindow module', () => {
         const preloadPath = path.join(fixtures, 'api', 'new-window-preload.js')
         ipcRenderer.send('set-web-preferences-on-next-new-window', w.webContents.id, 'preload', preloadPath)
         ipcMain.once('answer', (event, args) => {
-          assert.equal(args.includes('--native-window-open'), true)
+          assert.strictEqual(args.includes('--native-window-open'), true)
           done()
         })
         w.loadFile(path.join(fixtures, 'api', 'new-window.html'))
@@ -1848,7 +1849,7 @@ describe('BrowserWindow module', () => {
         ipcRenderer.send('set-web-preferences-on-next-new-window', w.webContents.id, 'preload', preloadPath)
         ipcRenderer.send('set-web-preferences-on-next-new-window', w.webContents.id, 'foo', 'bar')
         ipcMain.once('answer', (event, args, webPreferences) => {
-          assert.equal(webPreferences.foo, 'bar')
+          assert.strictEqual(webPreferences.foo, 'bar')
           done()
         })
         w.loadFile(path.join(fixtures, 'api', 'new-window.html'))
@@ -1869,9 +1870,9 @@ describe('BrowserWindow module', () => {
         return new Promise((resolve, reject) => {
           ipcRenderer.send('set-web-preferences-on-next-new-window', w.webContents.id, 'preload', path.join(fixtures, 'api', 'window-open-preload.js'))
           ipcMain.once('answer', (event, args, typeofProcess) => {
-            assert.equal(args.includes('--node-integration=false'), true)
-            assert.equal(args.includes('--native-window-open'), true)
-            assert.equal(typeofProcess, 'undefined')
+            assert.strictEqual(args.includes('--node-integration=false'), true)
+            assert.strictEqual(args.includes('--native-window-open'), true)
+            assert.strictEqual(typeofProcess, 'undefined')
             resolve()
           })
           w.loadFile(path.join(fixtures, 'api', 'window-open-location-open.html'))
@@ -1895,7 +1896,7 @@ describe('BrowserWindow module', () => {
 
     it('opens window with cross-scripting enabled from isolated context', (done) => {
       ipcMain.once('answer', (event, content) => {
-        assert.equal(content, 'Hello')
+        assert.strictEqual(content, 'Hello')
         done()
       })
       w.loadFile(path.join(fixtures, 'api', 'native-window-open-isolated.html'))
@@ -1996,9 +1997,9 @@ describe('BrowserWindow module', () => {
       })
 
       onNextVisibilityChange((visibilityState, hidden) => {
-        assert.equal(readyToShow, false)
-        assert.equal(visibilityState, 'visible')
-        assert.equal(hidden, false)
+        assert.strictEqual(readyToShow, false)
+        assert.strictEqual(visibilityState, 'visible')
+        assert.strictEqual(hidden, false)
 
         done()
       })
@@ -2006,15 +2007,15 @@ describe('BrowserWindow module', () => {
       w.loadFile(path.join(fixtures, 'pages', 'visibilitychange.html'))
     })
     it('visibilityState changes when window is hidden', (done) => {
-      w = new BrowserWindow({width: 100, height: 100})
+      w = new BrowserWindow({ width: 100, height: 100 })
 
       onNextVisibilityChange((visibilityState, hidden) => {
-        assert.equal(visibilityState, 'visible')
-        assert.equal(hidden, false)
+        assert.strictEqual(visibilityState, 'visible')
+        assert.strictEqual(hidden, false)
 
         onNextVisibilityChange((visibilityState, hidden) => {
-          assert.equal(visibilityState, 'hidden')
-          assert.equal(hidden, true)
+          assert.strictEqual(visibilityState, 'hidden')
+          assert.strictEqual(hidden, true)
           done()
         })
 
@@ -2024,12 +2025,12 @@ describe('BrowserWindow module', () => {
       w.loadFile(path.join(fixtures, 'pages', 'visibilitychange.html'))
     })
     it('visibilityState changes when window is shown', (done) => {
-      w = new BrowserWindow({width: 100, height: 100})
+      w = new BrowserWindow({ width: 100, height: 100 })
 
       onNextVisibilityChange((visibilityState, hidden) => {
         onVisibilityChange((visibilityState, hidden) => {
           if (!hidden) {
-            assert.equal(visibilityState, 'visible')
+            assert.strictEqual(visibilityState, 'visible')
             done()
           }
         })
@@ -2050,12 +2051,12 @@ describe('BrowserWindow module', () => {
         return done()
       }
 
-      w = new BrowserWindow({width: 100, height: 100})
+      w = new BrowserWindow({ width: 100, height: 100 })
 
       onNextVisibilityChange((visibilityState, hidden) => {
         onVisibilityChange((visibilityState, hidden) => {
           if (!hidden) {
-            assert.equal(visibilityState, 'visible')
+            assert.strictEqual(visibilityState, 'visible')
             done()
           }
         })
@@ -2076,15 +2077,15 @@ describe('BrowserWindow module', () => {
         return done()
       }
 
-      w = new BrowserWindow({width: 100, height: 100})
+      w = new BrowserWindow({ width: 100, height: 100 })
 
       onNextVisibilityChange((visibilityState, hidden) => {
-        assert.equal(visibilityState, 'visible')
-        assert.equal(hidden, false)
+        assert.strictEqual(visibilityState, 'visible')
+        assert.strictEqual(hidden, false)
 
         onNextVisibilityChange((visibilityState, hidden) => {
-          assert.equal(visibilityState, 'hidden')
-          assert.equal(hidden, true)
+          assert.strictEqual(visibilityState, 'hidden')
+          assert.strictEqual(hidden, true)
           done()
         })
 
@@ -2104,8 +2105,8 @@ describe('BrowserWindow module', () => {
       })
 
       onNextVisibilityChange((visibilityState, hidden) => {
-        assert.equal(visibilityState, 'visible')
-        assert.equal(hidden, false)
+        assert.strictEqual(visibilityState, 'visible')
+        assert.strictEqual(hidden, false)
 
         onNextVisibilityChange((visibilityState, hidden) => {
           done(new Error(`Unexpected visibility change event. visibilityState: ${visibilityState} hidden: ${hidden}`))
@@ -2137,9 +2138,9 @@ describe('BrowserWindow module', () => {
     it('emits when window.open is called', (done) => {
       w.webContents.once('new-window', (e, url, frameName, disposition, options, additionalFeatures) => {
         e.preventDefault()
-        assert.equal(url, 'http://host/')
-        assert.equal(frameName, 'host')
-        assert.equal(additionalFeatures[0], 'this-is-not-a-standard-feature')
+        assert.strictEqual(url, 'http://host/')
+        assert.strictEqual(frameName, 'host')
+        assert.strictEqual(additionalFeatures[0], 'this-is-not-a-standard-feature')
         done()
       })
       w.loadFile(path.join(fixtures, 'pages', 'window-open.html'))
@@ -2149,9 +2150,9 @@ describe('BrowserWindow module', () => {
       w = new BrowserWindow({ show: false })
       w.webContents.once('new-window', function (e, url, frameName, disposition, options, additionalFeatures) {
         e.preventDefault()
-        assert.equal(url, 'http://host/')
-        assert.equal(frameName, 'host')
-        assert.equal(additionalFeatures[0], 'this-is-not-a-standard-feature')
+        assert.strictEqual(url, 'http://host/')
+        assert.strictEqual(frameName, 'host')
+        assert.strictEqual(additionalFeatures[0], 'this-is-not-a-standard-feature')
         done()
       })
       w.loadFile(path.join(fixtures, 'pages', 'window-open.html'))
@@ -2160,8 +2161,8 @@ describe('BrowserWindow module', () => {
     it('emits when link with target is called', (done) => {
       w.webContents.once('new-window', (e, url, frameName) => {
         e.preventDefault()
-        assert.equal(url, 'http://host/')
-        assert.equal(frameName, 'target')
+        assert.strictEqual(url, 'http://host/')
+        assert.strictEqual(frameName, 'target')
         done()
       })
       w.loadFile(path.join(fixtures, 'pages', 'target-name.html'))
@@ -2209,7 +2210,7 @@ describe('BrowserWindow module', () => {
     })
 
     afterEach(() => {
-      return closeWindow(sheet, {assertSingleWindow: false}).then(() => { sheet = null })
+      return closeWindow(sheet, { assertSingleWindow: false }).then(() => { sheet = null })
     })
 
     it('emits when window opens a sheet', (done) => {
@@ -2235,7 +2236,7 @@ describe('BrowserWindow module', () => {
     })
 
     afterEach(() => {
-      return closeWindow(sheet, {assertSingleWindow: false}).then(() => { sheet = null })
+      return closeWindow(sheet, { assertSingleWindow: false }).then(() => { sheet = null })
     })
 
     it('emits when window has closed a sheet', (done) => {
@@ -2271,7 +2272,7 @@ describe('BrowserWindow module', () => {
           if (called) return
           called = true
 
-          assert.notEqual(data.length, 0)
+          assert.notStrictEqual(data.length, 0)
           w.webContents.endFrameSubscription()
           done()
         })
@@ -2286,7 +2287,7 @@ describe('BrowserWindow module', () => {
           if (called) return
           called = true
 
-          assert.notEqual(data.length, 0)
+          assert.notStrictEqual(data.length, 0)
           w.webContents.endFrameSubscription()
           done()
         })
@@ -2323,7 +2324,7 @@ describe('BrowserWindow module', () => {
     it('should save page to disk', (done) => {
       w.webContents.on('did-finish-load', () => {
         w.webContents.savePage(savePageHtmlPath, 'HTMLComplete', function (error) {
-          assert.equal(error, null)
+          assert.strictEqual(error, null)
           assert(fs.existsSync(savePageHtmlPath))
           assert(fs.existsSync(savePageJsPath))
           assert(fs.existsSync(savePageCssPath))
@@ -2339,8 +2340,8 @@ describe('BrowserWindow module', () => {
       w.destroy()
       w = new BrowserWindow()
       const size = w.getSize()
-      assert.equal(size[0], 800)
-      assert.equal(size[1], 600)
+      assert.strictEqual(size[0], 800)
+      assert.strictEqual(size[1], 600)
     })
   })
 
@@ -2356,53 +2357,53 @@ describe('BrowserWindow module', () => {
 
       w.setMinimizable(false)
       w.setMinimizable(true)
-      assert.deepEqual(w.getSize(), [300, 200])
+      assert.deepStrictEqual(w.getSize(), [300, 200])
 
       w.setResizable(false)
       w.setResizable(true)
-      assert.deepEqual(w.getSize(), [300, 200])
+      assert.deepStrictEqual(w.getSize(), [300, 200])
 
       w.setMaximizable(false)
       w.setMaximizable(true)
-      assert.deepEqual(w.getSize(), [300, 200])
+      assert.deepStrictEqual(w.getSize(), [300, 200])
 
       w.setFullScreenable(false)
       w.setFullScreenable(true)
-      assert.deepEqual(w.getSize(), [300, 200])
+      assert.deepStrictEqual(w.getSize(), [300, 200])
 
       w.setClosable(false)
       w.setClosable(true)
-      assert.deepEqual(w.getSize(), [300, 200])
+      assert.deepStrictEqual(w.getSize(), [300, 200])
     })
 
     describe('resizable state', () => {
       it('can be changed with resizable option', () => {
         w.destroy()
-        w = new BrowserWindow({show: false, resizable: false})
-        assert.equal(w.isResizable(), false)
+        w = new BrowserWindow({ show: false, resizable: false })
+        assert.strictEqual(w.isResizable(), false)
 
         if (process.platform === 'darwin') {
-          assert.equal(w.isMaximizable(), true)
+          assert.strictEqual(w.isMaximizable(), true)
         }
       })
 
       it('can be changed with setResizable method', () => {
-        assert.equal(w.isResizable(), true)
+        assert.strictEqual(w.isResizable(), true)
         w.setResizable(false)
-        assert.equal(w.isResizable(), false)
+        assert.strictEqual(w.isResizable(), false)
         w.setResizable(true)
-        assert.equal(w.isResizable(), true)
+        assert.strictEqual(w.isResizable(), true)
       })
 
       it('works for a frameless window', () => {
         w.destroy()
-        w = new BrowserWindow({show: false, frame: false})
-        assert.equal(w.isResizable(), true)
+        w = new BrowserWindow({ show: false, frame: false })
+        assert.strictEqual(w.isResizable(), true)
 
         if (process.platform === 'win32') {
           w.destroy()
-          w = new BrowserWindow({show: false, thickFrame: false})
-          assert.equal(w.isResizable(), false)
+          w = new BrowserWindow({ show: false, thickFrame: false })
+          assert.strictEqual(w.isResizable(), false)
         }
       })
 
@@ -2428,16 +2429,16 @@ describe('BrowserWindow module', () => {
     describe('loading main frame state', () => {
       it('is true when the main frame is loading', (done) => {
         w.webContents.on('did-start-loading', () => {
-          assert.equal(w.webContents.isLoadingMainFrame(), true)
+          assert.strictEqual(w.webContents.isLoadingMainFrame(), true)
           done()
         })
         w.webContents.loadURL(server.url)
       })
       it('is false when only a subframe is loading', (done) => {
         w.webContents.once('did-finish-load', () => {
-          assert.equal(w.webContents.isLoadingMainFrame(), false)
+          assert.strictEqual(w.webContents.isLoadingMainFrame(), false)
           w.webContents.on('did-start-loading', () => {
-            assert.equal(w.webContents.isLoadingMainFrame(), false)
+            assert.strictEqual(w.webContents.isLoadingMainFrame(), false)
             done()
           })
           w.webContents.executeJavaScript(`
@@ -2450,9 +2451,9 @@ describe('BrowserWindow module', () => {
       })
       it('is true when navigating to pages from the same origin', (done) => {
         w.webContents.once('did-finish-load', () => {
-          assert.equal(w.webContents.isLoadingMainFrame(), false)
+          assert.strictEqual(w.webContents.isLoadingMainFrame(), false)
           w.webContents.on('did-start-loading', () => {
-            assert.equal(w.webContents.isLoadingMainFrame(), true)
+            assert.strictEqual(w.webContents.isLoadingMainFrame(), true)
             done()
           })
           w.webContents.loadURL(`${server.url}/page2`)
@@ -2477,63 +2478,63 @@ describe('BrowserWindow module', () => {
     describe('movable state', () => {
       it('can be changed with movable option', () => {
         w.destroy()
-        w = new BrowserWindow({show: false, movable: false})
-        assert.equal(w.isMovable(), false)
+        w = new BrowserWindow({ show: false, movable: false })
+        assert.strictEqual(w.isMovable(), false)
       })
       it('can be changed with setMovable method', () => {
-        assert.equal(w.isMovable(), true)
+        assert.strictEqual(w.isMovable(), true)
         w.setMovable(false)
-        assert.equal(w.isMovable(), false)
+        assert.strictEqual(w.isMovable(), false)
         w.setMovable(true)
-        assert.equal(w.isMovable(), true)
+        assert.strictEqual(w.isMovable(), true)
       })
     })
 
     describe('minimizable state', () => {
       it('can be changed with minimizable option', () => {
         w.destroy()
-        w = new BrowserWindow({show: false, minimizable: false})
-        assert.equal(w.isMinimizable(), false)
+        w = new BrowserWindow({ show: false, minimizable: false })
+        assert.strictEqual(w.isMinimizable(), false)
       })
 
       it('can be changed with setMinimizable method', () => {
-        assert.equal(w.isMinimizable(), true)
+        assert.strictEqual(w.isMinimizable(), true)
         w.setMinimizable(false)
-        assert.equal(w.isMinimizable(), false)
+        assert.strictEqual(w.isMinimizable(), false)
         w.setMinimizable(true)
-        assert.equal(w.isMinimizable(), true)
+        assert.strictEqual(w.isMinimizable(), true)
       })
     })
 
     describe('maximizable state', () => {
       it('can be changed with maximizable option', () => {
         w.destroy()
-        w = new BrowserWindow({show: false, maximizable: false})
-        assert.equal(w.isMaximizable(), false)
+        w = new BrowserWindow({ show: false, maximizable: false })
+        assert.strictEqual(w.isMaximizable(), false)
       })
 
       it('can be changed with setMaximizable method', () => {
-        assert.equal(w.isMaximizable(), true)
+        assert.strictEqual(w.isMaximizable(), true)
         w.setMaximizable(false)
-        assert.equal(w.isMaximizable(), false)
+        assert.strictEqual(w.isMaximizable(), false)
         w.setMaximizable(true)
-        assert.equal(w.isMaximizable(), true)
+        assert.strictEqual(w.isMaximizable(), true)
       })
 
       it('is not affected when changing other states', () => {
         w.setMaximizable(false)
-        assert.equal(w.isMaximizable(), false)
+        assert.strictEqual(w.isMaximizable(), false)
         w.setMinimizable(false)
-        assert.equal(w.isMaximizable(), false)
+        assert.strictEqual(w.isMaximizable(), false)
         w.setClosable(false)
-        assert.equal(w.isMaximizable(), false)
+        assert.strictEqual(w.isMaximizable(), false)
 
         w.setMaximizable(true)
-        assert.equal(w.isMaximizable(), true)
+        assert.strictEqual(w.isMaximizable(), true)
         w.setClosable(true)
-        assert.equal(w.isMaximizable(), true)
+        assert.strictEqual(w.isMaximizable(), true)
         w.setFullScreenable(false)
-        assert.equal(w.isMaximizable(), true)
+        assert.strictEqual(w.isMaximizable(), true)
       })
     })
 
@@ -2543,7 +2544,7 @@ describe('BrowserWindow module', () => {
 
       it('is set to false when resizable state is set to false', () => {
         w.setResizable(false)
-        assert.equal(w.isMaximizable(), false)
+        assert.strictEqual(w.isMaximizable(), false)
       })
     })
 
@@ -2557,16 +2558,16 @@ describe('BrowserWindow module', () => {
 
       it('can be changed with fullscreenable option', () => {
         w.destroy()
-        w = new BrowserWindow({show: false, fullscreenable: false})
-        assert.equal(w.isFullScreenable(), false)
+        w = new BrowserWindow({ show: false, fullscreenable: false })
+        assert.strictEqual(w.isFullScreenable(), false)
       })
 
       it('can be changed with setFullScreenable method', () => {
-        assert.equal(w.isFullScreenable(), true)
+        assert.strictEqual(w.isFullScreenable(), true)
         w.setFullScreenable(false)
-        assert.equal(w.isFullScreenable(), false)
+        assert.strictEqual(w.isFullScreenable(), false)
         w.setFullScreenable(true)
-        assert.equal(w.isFullScreenable(), true)
+        assert.strictEqual(w.isFullScreenable(), true)
       })
     })
 
@@ -2582,11 +2583,11 @@ describe('BrowserWindow module', () => {
         w.destroy()
         w = new BrowserWindow()
         w.setKiosk(true)
-        assert.equal(w.isKiosk(), true)
+        assert.strictEqual(w.isKiosk(), true)
 
         w.once('enter-full-screen', () => {
           w.setKiosk(false)
-          assert.equal(w.isKiosk(), false)
+          assert.strictEqual(w.isKiosk(), false)
         })
         w.once('leave-full-screen', () => {
           done()
@@ -2606,11 +2607,11 @@ describe('BrowserWindow module', () => {
         w.destroy()
         w = new BrowserWindow({ resizable: false })
         w.once('enter-full-screen', () => {
-          assert.equal(w.isResizable(), true)
+          assert.strictEqual(w.isResizable(), true)
           w.setFullScreen(false)
         })
         w.once('leave-full-screen', () => {
-          assert.equal(w.isResizable(), false)
+          assert.strictEqual(w.isResizable(), false)
           done()
         })
         w.setFullScreen(true)
@@ -2629,11 +2630,11 @@ describe('BrowserWindow module', () => {
         w.destroy()
         w = new BrowserWindow()
         w.once('enter-full-screen', () => {
-          assert.equal(w.isFullScreen(), true)
+          assert.strictEqual(w.isFullScreen(), true)
           w.setFullScreen(false)
         })
         w.once('leave-full-screen', () => {
-          assert.equal(w.isFullScreen(), false)
+          assert.strictEqual(w.isFullScreen(), false)
           done()
         })
         w.setFullScreen(true)
@@ -2643,14 +2644,14 @@ describe('BrowserWindow module', () => {
         w.destroy()
         w = new BrowserWindow()
         w.once('enter-full-screen', () => {
-          assert.equal(w.isFullScreen(), true)
+          assert.strictEqual(w.isFullScreen(), true)
           w.setKiosk(true)
           w.setKiosk(false)
-          assert.equal(w.isFullScreen(), true)
+          assert.strictEqual(w.isFullScreen(), true)
           w.setFullScreen(false)
         })
         w.once('leave-full-screen', () => {
-          assert.equal(w.isFullScreen(), false)
+          assert.strictEqual(w.isFullScreen(), false)
           done()
         })
         w.setFullScreen(true)
@@ -2660,16 +2661,16 @@ describe('BrowserWindow module', () => {
     describe('closable state', () => {
       it('can be changed with closable option', () => {
         w.destroy()
-        w = new BrowserWindow({show: false, closable: false})
-        assert.equal(w.isClosable(), false)
+        w = new BrowserWindow({ show: false, closable: false })
+        assert.strictEqual(w.isClosable(), false)
       })
 
       it('can be changed with setClosable method', () => {
-        assert.equal(w.isClosable(), true)
+        assert.strictEqual(w.isClosable(), true)
         w.setClosable(false)
-        assert.equal(w.isClosable(), false)
+        assert.strictEqual(w.isClosable(), false)
         w.setClosable(true)
-        assert.equal(w.isClosable(), true)
+        assert.strictEqual(w.isClosable(), true)
       })
     })
 
@@ -2679,18 +2680,18 @@ describe('BrowserWindow module', () => {
       it('can be changed with hasShadow option', () => {
         w.destroy()
         let hasShadow = process.platform !== 'darwin'
-        w = new BrowserWindow({show: false, hasShadow: hasShadow})
-        assert.equal(w.hasShadow(), hasShadow)
+        w = new BrowserWindow({ show: false, hasShadow: hasShadow })
+        assert.strictEqual(w.hasShadow(), hasShadow)
       })
 
       it('can be changed with setHasShadow method', () => {
         if (process.platform !== 'darwin') return
 
-        assert.equal(w.hasShadow(), true)
+        assert.strictEqual(w.hasShadow(), true)
         w.setHasShadow(false)
-        assert.equal(w.hasShadow(), false)
+        assert.strictEqual(w.hasShadow(), false)
         w.setHasShadow(true)
-        assert.equal(w.hasShadow(), true)
+        assert.strictEqual(w.hasShadow(), true)
       })
     })
   })
@@ -2737,8 +2738,8 @@ describe('BrowserWindow module', () => {
         w.setFullScreen(true)
         w.once('show', () => { w.setFullScreen(false) })
         w.once('leave-full-screen', () => {
-          assert.equal(w.isVisible(), true)
-          assert.equal(w.isFullScreen(), false)
+          assert.strictEqual(w.isVisible(), true)
+          assert.strictEqual(w.isFullScreen(), false)
           done()
         })
         w.show()
@@ -2748,8 +2749,8 @@ describe('BrowserWindow module', () => {
     it('should keep window hidden if already in hidden state', (done) => {
       w.webContents.once('did-finish-load', () => {
         w.once('leave-full-screen', () => {
-          assert.equal(w.isVisible(), false)
-          assert.equal(w.isFullScreen(), false)
+          assert.strictEqual(w.isVisible(), false)
+          assert.strictEqual(w.isFullScreen(), false)
           done()
         })
         w.setFullScreen(false)
@@ -2786,7 +2787,7 @@ describe('BrowserWindow module', () => {
 
     beforeEach(() => {
       if (c != null) c.destroy()
-      c = new BrowserWindow({show: false, parent: w})
+      c = new BrowserWindow({ show: false, parent: w })
     })
 
     afterEach(() => {
@@ -2796,22 +2797,22 @@ describe('BrowserWindow module', () => {
 
     describe('parent option', () => {
       it('sets parent window', () => {
-        assert.equal(c.getParentWindow(), w)
+        assert.strictEqual(c.getParentWindow(), w)
       })
       it('adds window to child windows of parent', () => {
-        assert.deepEqual(w.getChildWindows(), [c])
+        assert.deepStrictEqual(w.getChildWindows(), [c])
       })
       it('removes from child windows of parent when window is closed', (done) => {
         c.once('closed', () => {
-          assert.deepEqual(w.getChildWindows(), [])
+          assert.deepStrictEqual(w.getChildWindows(), [])
           done()
         })
         c.close()
       })
 
       it('should not affect the show option', () => {
-        assert.equal(c.isVisible(), false)
-        assert.equal(c.getParentWindow().isVisible(), false)
+        assert.strictEqual(c.isVisible(), false)
+        assert.strictEqual(c.getParentWindow().isVisible(), false)
       })
     })
 
@@ -2824,27 +2825,27 @@ describe('BrowserWindow module', () => {
 
       beforeEach(() => {
         if (c != null) c.destroy()
-        c = new BrowserWindow({show: false})
+        c = new BrowserWindow({ show: false })
       })
 
       it('sets parent window', () => {
-        assert.equal(w.getParentWindow(), null)
-        assert.equal(c.getParentWindow(), null)
+        assert.strictEqual(w.getParentWindow(), null)
+        assert.strictEqual(c.getParentWindow(), null)
         c.setParentWindow(w)
-        assert.equal(c.getParentWindow(), w)
+        assert.strictEqual(c.getParentWindow(), w)
         c.setParentWindow(null)
-        assert.equal(c.getParentWindow(), null)
+        assert.strictEqual(c.getParentWindow(), null)
       })
       it('adds window to child windows of parent', () => {
-        assert.deepEqual(w.getChildWindows(), [])
+        assert.deepStrictEqual(w.getChildWindows(), [])
         c.setParentWindow(w)
-        assert.deepEqual(w.getChildWindows(), [c])
+        assert.deepStrictEqual(w.getChildWindows(), [c])
         c.setParentWindow(null)
-        assert.deepEqual(w.getChildWindows(), [])
+        assert.deepStrictEqual(w.getChildWindows(), [])
       })
       it('removes from child windows of parent when window is closed', (done) => {
         c.once('closed', () => {
-          assert.deepEqual(w.getChildWindows(), [])
+          assert.deepStrictEqual(w.getChildWindows(), [])
           done()
         })
         c.setParentWindow(w)
@@ -2862,32 +2863,32 @@ describe('BrowserWindow module', () => {
 
       beforeEach(() => {
         if (c != null) c.destroy()
-        c = new BrowserWindow({show: false, parent: w, modal: true})
+        c = new BrowserWindow({ show: false, parent: w, modal: true })
       })
 
       it('disables parent window', () => {
-        assert.equal(w.isEnabled(), true)
+        assert.strictEqual(w.isEnabled(), true)
         c.show()
-        assert.equal(w.isEnabled(), false)
+        assert.strictEqual(w.isEnabled(), false)
       })
       it('enables parent window when closed', (done) => {
         c.once('closed', () => {
-          assert.equal(w.isEnabled(), true)
+          assert.strictEqual(w.isEnabled(), true)
           done()
         })
         c.show()
         c.close()
       })
       it('disables parent window recursively', () => {
-        let c2 = new BrowserWindow({show: false, parent: w, modal: true})
+        let c2 = new BrowserWindow({ show: false, parent: w, modal: true })
         c.show()
-        assert.equal(w.isEnabled(), false)
+        assert.strictEqual(w.isEnabled(), false)
         c2.show()
-        assert.equal(w.isEnabled(), false)
+        assert.strictEqual(w.isEnabled(), false)
         c.destroy()
-        assert.equal(w.isEnabled(), false)
+        assert.strictEqual(w.isEnabled(), false)
         c2.destroy()
-        assert.equal(w.isEnabled(), true)
+        assert.strictEqual(w.isEnabled(), true)
       })
     })
   })
@@ -2911,7 +2912,7 @@ describe('BrowserWindow module', () => {
       w.webContents.once('devtools-opened', () => {
         const show = () => {
           if (w == null || w.isDestroyed()) return
-          const {devToolsWebContents} = w
+          const { devToolsWebContents } = w
           if (devToolsWebContents == null || devToolsWebContents.isDestroyed()) {
             return
           }
@@ -2974,7 +2975,7 @@ describe('BrowserWindow module', () => {
         describe('when the devtools is docked', () => {
           beforeEach(function (done) {
             addExtension()
-            w.webContents.openDevTools({mode: 'bottom'})
+            w.webContents.openDevTools({ mode: 'bottom' })
             ipcMain.once('answer', (event, message) => {
               this.message = message
               done()
@@ -2998,13 +2999,13 @@ describe('BrowserWindow module', () => {
               expect(this.message).to.have.own.property('storageItems')
               expect(this.message.storageItems).to.deep.equal({
                 local: {
-                  set: {hello: 'world', world: 'hello'},
-                  remove: {world: 'hello'},
+                  set: { hello: 'world', world: 'hello' },
+                  remove: { world: 'hello' },
                   clear: {}
                 },
                 sync: {
-                  set: {foo: 'bar', bar: 'foo'},
-                  remove: {foo: 'bar'},
+                  set: { foo: 'bar', bar: 'foo' },
+                  remove: { foo: 'bar' },
                   clear: {}
                 }
               })
@@ -3015,7 +3016,7 @@ describe('BrowserWindow module', () => {
         describe('when the devtools is undocked', () => {
           beforeEach(function (done) {
             addExtension()
-            w.webContents.openDevTools({mode: 'undocked'})
+            w.webContents.openDevTools({ mode: 'undocked' })
             ipcMain.once('answer', (event, message, extensionId) => {
               this.message = message
               done()
@@ -3054,10 +3055,10 @@ describe('BrowserWindow module', () => {
       showLastDevToolsPanel()
 
       w.loadURL('about:blank')
-      w.webContents.openDevTools({mode: 'bottom'})
+      w.webContents.openDevTools({ mode: 'bottom' })
 
       ipcMain.once('answer', function (event, message) {
-        assert.equal(message.runtimeId, 'foo')
+        assert.strictEqual(message.runtimeId, 'foo')
         done()
       })
     })
@@ -3069,21 +3070,21 @@ describe('BrowserWindow module', () => {
 
       BrowserWindow.addDevToolsExtension(extensionPath)
       app.emit('will-quit')
-      assert.deepEqual(JSON.parse(fs.readFileSync(serializedPath)), [extensionPath])
+      assert.deepStrictEqual(JSON.parse(fs.readFileSync(serializedPath)), [extensionPath])
 
       BrowserWindow.removeDevToolsExtension(extensionName)
       app.emit('will-quit')
-      assert.equal(fs.existsSync(serializedPath), false)
+      assert.strictEqual(fs.existsSync(serializedPath), false)
     })
 
     describe('BrowserWindow.addExtension', () => {
       beforeEach(() => {
         BrowserWindow.removeExtension('foo')
-        assert.equal(BrowserWindow.getExtensions().hasOwnProperty('foo'), false)
+        assert.strictEqual(BrowserWindow.getExtensions().hasOwnProperty('foo'), false)
 
         var extensionPath = path.join(__dirname, 'fixtures', 'devtools-extensions', 'foo')
         BrowserWindow.addExtension(extensionPath)
-        assert.equal(BrowserWindow.getExtensions().hasOwnProperty('foo'), true)
+        assert.strictEqual(BrowserWindow.getExtensions().hasOwnProperty('foo'), true)
 
         showLastDevToolsPanel()
 
@@ -3122,47 +3123,47 @@ describe('BrowserWindow module', () => {
 
     it('doesnt throw when no calback is provided', () => {
       const result = ipcRenderer.sendSync('executeJavaScript', code, false)
-      assert.equal(result, 'success')
+      assert.strictEqual(result, 'success')
     })
     it('returns result when calback is provided', (done) => {
       ipcRenderer.send('executeJavaScript', code, true)
       ipcRenderer.once('executeJavaScript-response', function (event, result) {
-        assert.equal(result, expected)
+        assert.strictEqual(result, expected)
         done()
       })
     })
     it('returns result if the code returns an asyncronous promise', (done) => {
       ipcRenderer.send('executeJavaScript', asyncCode, true)
       ipcRenderer.once('executeJavaScript-response', (event, result) => {
-        assert.equal(result, expected)
+        assert.strictEqual(result, expected)
         done()
       })
     })
     it('resolves the returned promise with the result when a callback is specified', (done) => {
       ipcRenderer.send('executeJavaScript', code, true)
       ipcRenderer.once('executeJavaScript-promise-response', (event, result) => {
-        assert.equal(result, expected)
+        assert.strictEqual(result, expected)
         done()
       })
     })
     it('resolves the returned promise with the result when no callback is specified', (done) => {
       ipcRenderer.send('executeJavaScript', code, false)
       ipcRenderer.once('executeJavaScript-promise-response', (event, result) => {
-        assert.equal(result, expected)
+        assert.strictEqual(result, expected)
         done()
       })
     })
     it('resolves the returned promise with the result if the code returns an asyncronous promise', (done) => {
       ipcRenderer.send('executeJavaScript', asyncCode, true)
       ipcRenderer.once('executeJavaScript-promise-response', (event, result) => {
-        assert.equal(result, expected)
+        assert.strictEqual(result, expected)
         done()
       })
     })
     it('rejects the returned promise if an async error is thrown', (done) => {
       ipcRenderer.send('executeJavaScript', badAsyncCode, true)
       ipcRenderer.once('executeJavaScript-promise-error', (event, error) => {
-        assert.equal(error, expectedErrorMsg)
+        assert.strictEqual(error, expectedErrorMsg)
         done()
       })
     })
@@ -3171,7 +3172,7 @@ describe('BrowserWindow module', () => {
         await new Promise((resolve) => {
           ipcRenderer.send('executeJavaScript', `Promise.reject(new ${error.name}("Wamp-wamp")`, true)
           ipcRenderer.once('executeJavaScript-promise-error-name', (event, name) => {
-            assert.equal(name, error.name)
+            assert.strictEqual(name, error.name)
             resolve()
           })
         })
@@ -3194,15 +3195,15 @@ describe('BrowserWindow module', () => {
     })
     it('executes after page load', (done) => {
       w.webContents.executeJavaScript(code, (result) => {
-        assert.equal(result, expected)
+        assert.strictEqual(result, expected)
         done()
       })
       w.loadURL(server.url)
     })
     it('works with result objects that have DOM class prototypes', (done) => {
       w.webContents.executeJavaScript('document.location', (result) => {
-        assert.equal(result.origin, server.url)
-        assert.equal(result.protocol, 'http:')
+        assert.strictEqual(result.origin, server.url)
+        assert.strictEqual(result.protocol, 'http:')
         done()
       })
       w.loadURL(server.url)
@@ -3275,14 +3276,14 @@ describe('BrowserWindow module', () => {
     it('separates the page context from the Electron/preload context', async () => {
       iw.loadFile(path.join(fixtures, 'api', 'isolated.html'))
       const [, data] = await emittedOnce(ipcMain, 'isolated-world')
-      assert.deepEqual(data, expectedContextData)
+      assert.deepStrictEqual(data, expectedContextData)
     })
     it('recreates the contexts on reload', async () => {
       iw.loadFile(path.join(fixtures, 'api', 'isolated.html'))
       await emittedOnce(iw.webContents, 'did-finish-load')
       iw.webContents.reload()
       const [, data] = await emittedOnce(ipcMain, 'isolated-world')
-      assert.deepEqual(data, expectedContextData)
+      assert.deepStrictEqual(data, expectedContextData)
     })
     it('enables context isolation on child windows', async () => {
       iw.loadFile(path.join(fixtures, 'pages', 'window-open.html'))
@@ -3292,14 +3293,14 @@ describe('BrowserWindow module', () => {
     it('separates the page context from the Electron/preload context with sandbox on', async () => {
       ws.loadFile(path.join(fixtures, 'api', 'isolated.html'))
       const [, data] = await emittedOnce(ipcMain, 'isolated-world')
-      assert.deepEqual(data, expectedContextData)
+      assert.deepStrictEqual(data, expectedContextData)
     })
     it('recreates the contexts on reload with sandbox on', async () => {
       ws.loadFile(path.join(fixtures, 'api', 'isolated.html'))
       await emittedOnce(ws.webContents, 'did-finish-load')
       ws.webContents.reload()
       const [, data] = await emittedOnce(ipcMain, 'isolated-world')
-      assert.deepEqual(data, expectedContextData)
+      assert.deepStrictEqual(data, expectedContextData)
     })
     it('supports fetch api', async () => {
       const fetchWindow = new BrowserWindow({
@@ -3312,7 +3313,7 @@ describe('BrowserWindow module', () => {
       fetchWindow.loadURL('about:blank')
       const [, error] = await emittedOnce(ipcMain, 'isolated-fetch-error')
       fetchWindow.destroy()
-      assert.equal(error, 'Failed to fetch')
+      assert.strictEqual(error, 'Failed to fetch')
     })
     it('doesn\'t break ipc serialization', async () => {
       iw.loadURL('about:blank')
@@ -3323,7 +3324,7 @@ describe('BrowserWindow module', () => {
         window.postMessage({openedLocation}, '*')
       `)
       const [, data] = await emittedOnce(ipcMain, 'isolated-world')
-      assert.equal(data.pageContext.openedLocation, '')
+      assert.strictEqual(data.pageContext.openedLocation, '')
     })
   })
 
@@ -3349,7 +3350,7 @@ describe('BrowserWindow module', () => {
 
     it('creates offscreen window with correct size', (done) => {
       w.webContents.once('paint', function (event, rect, data) {
-        assert.notEqual(data.length, 0)
+        assert.notStrictEqual(data.length, 0)
         let size = data.getSize()
         assertWithinDelta(size.width, 100, 2, 'width')
         assertWithinDelta(size.height, 100, 2, 'height')
@@ -3361,12 +3362,12 @@ describe('BrowserWindow module', () => {
     describe('window.webContents.isOffscreen()', () => {
       it('is true for offscreen type', () => {
         w.loadFile(path.join(fixtures, 'api', 'offscreen-rendering.html'))
-        assert.equal(w.webContents.isOffscreen(), true)
+        assert.strictEqual(w.webContents.isOffscreen(), true)
       })
 
       it('is false for regular window', () => {
-        let c = new BrowserWindow({show: false})
-        assert.equal(c.webContents.isOffscreen(), false)
+        let c = new BrowserWindow({ show: false })
+        assert.strictEqual(c.webContents.isOffscreen(), false)
         c.destroy()
       })
     })
@@ -3374,7 +3375,7 @@ describe('BrowserWindow module', () => {
     describe('window.webContents.isPainting()', () => {
       it('returns whether is currently painting', (done) => {
         w.webContents.once('paint', function (event, rect, data) {
-          assert.equal(w.webContents.isPainting(), true)
+          assert.strictEqual(w.webContents.isPainting(), true)
           done()
         })
         w.loadFile(path.join(fixtures, 'api', 'offscreen-rendering.html'))
@@ -3385,7 +3386,7 @@ describe('BrowserWindow module', () => {
       it('stops painting', (done) => {
         w.webContents.on('dom-ready', () => {
           w.webContents.stopPainting()
-          assert.equal(w.webContents.isPainting(), false)
+          assert.strictEqual(w.webContents.isPainting(), false)
           done()
         })
         w.loadFile(path.join(fixtures, 'api', 'offscreen-rendering.html'))
@@ -3398,7 +3399,7 @@ describe('BrowserWindow module', () => {
           w.webContents.stopPainting()
           w.webContents.startPainting()
           w.webContents.once('paint', function (event, rect, data) {
-            assert.equal(w.webContents.isPainting(), true)
+            assert.strictEqual(w.webContents.isPainting(), true)
             done()
           })
         })
@@ -3409,7 +3410,7 @@ describe('BrowserWindow module', () => {
     describe('window.webContents.getFrameRate()', () => {
       it('has default frame rate', (done) => {
         w.webContents.once('paint', function (event, rect, data) {
-          assert.equal(w.webContents.getFrameRate(), 60)
+          assert.strictEqual(w.webContents.getFrameRate(), 60)
           done()
         })
         w.loadFile(path.join(fixtures, 'api', 'offscreen-rendering.html'))
@@ -3421,7 +3422,7 @@ describe('BrowserWindow module', () => {
         w.webContents.on('dom-ready', () => {
           w.webContents.setFrameRate(30)
           w.webContents.once('paint', function (event, rect, data) {
-            assert.equal(w.webContents.getFrameRate(), 30)
+            assert.strictEqual(w.webContents.getFrameRate(), 30)
             done()
           })
         })
@@ -3433,7 +3434,7 @@ describe('BrowserWindow module', () => {
 
 const assertBoundsEqual = (actual, expect) => {
   if (!isScaleFactorRounding()) {
-    assert.deepEqual(expect, actual)
+    assert.deepStrictEqual(expect, actual)
   } else if (Array.isArray(actual)) {
     assertWithinDelta(actual[0], expect[0], 1, 'x')
     assertWithinDelta(actual[1], expect[1], 1, 'y')
@@ -3453,7 +3454,7 @@ const assertWithinDelta = (actual, expect, delta, label) => {
 // Is the display's scale factor possibly causing rounding of pixel coordinate
 // values?
 const isScaleFactorRounding = () => {
-  const {scaleFactor} = screen.getPrimaryDisplay()
+  const { scaleFactor } = screen.getPrimaryDisplay()
   // Return true if scale factor is non-integer value
   if (Math.round(scaleFactor) !== scaleFactor) return true
   // Return true if scale factor is odd number above 2
diff --git a/spec/api-callbacks-registry-spec.js b/spec/api-callbacks-registry-spec.js
index fadf2f4ad41..63f74bb048f 100644
--- a/spec/api-callbacks-registry-spec.js
+++ b/spec/api-callbacks-registry-spec.js
@@ -1,7 +1,7 @@
 const chai = require('chai')
 const dirtyChai = require('dirty-chai')
 
-const {expect} = chai
+const { expect } = chai
 chai.use(dirtyChai)
 
 const CallbacksRegistry = require('../lib/renderer/callbacks-registry')
diff --git a/spec/api-clipboard-spec.js b/spec/api-clipboard-spec.js
index 1119c049aac..5267f3f0a0b 100644
--- a/spec/api-clipboard-spec.js
+++ b/spec/api-clipboard-spec.js
@@ -1,8 +1,8 @@
-const {expect} = require('chai')
+const { expect } = require('chai')
 const path = require('path')
-const {Buffer} = require('buffer')
+const { Buffer } = require('buffer')
 
-const {clipboard, nativeImage} = require('electron')
+const { clipboard, nativeImage } = require('electron')
 
 describe('clipboard module', () => {
   const fixtures = path.resolve(__dirname, 'fixtures')
@@ -70,7 +70,7 @@ describe('clipboard module', () => {
       const p = path.join(fixtures, 'assets', 'logo.png')
       const i = nativeImage.createFromPath(p)
       const markup = process.platform === 'darwin' ? "<meta charset='utf-8'><b>Hi</b>" : process.platform === 'linux' ? '<meta http-equiv="content-type" ' + 'content="text/html; charset=utf-8"><b>Hi</b>' : '<b>Hi</b>'
-      const bookmark = {title: 'a title', url: 'test'}
+      const bookmark = { title: 'a title', url: 'test' }
       clipboard.write({
         text: 'test',
         html: '<b>Hi</b>',
diff --git a/spec/api-crash-reporter-spec.js b/spec/api-crash-reporter-spec.js
index 19944f0714e..bd6ec6e29a9 100644
--- a/spec/api-crash-reporter-spec.js
+++ b/spec/api-crash-reporter-spec.js
@@ -1,16 +1,16 @@
 const assert = require('assert')
 const childProcess = require('child_process')
-const {expect} = require('chai')
+const { expect } = require('chai')
 const fs = require('fs')
 const http = require('http')
 const multiparty = require('multiparty')
 const path = require('path')
 const temp = require('temp').track()
 const url = require('url')
-const {closeWindow} = require('./window-helpers')
+const { closeWindow } = require('./window-helpers')
 
-const {remote} = require('electron')
-const {app, BrowserWindow, crashReporter} = remote.require('electron')
+const { remote } = require('electron')
+const { app, BrowserWindow, crashReporter } = remote.require('electron')
 
 describe('crashReporter module', () => {
   if (process.mas || process.env.DISABLE_CRASH_REPORTER_TESTS) return
@@ -64,7 +64,7 @@ describe('crashReporter module', () => {
 
         stopServer = startServer({
           callback (port) {
-            w.loadFile(path.join(fixtures, 'api', 'crash.html'), {query: {port}})
+            w.loadFile(path.join(fixtures, 'api', 'crash.html'), { query: { port } })
           },
           processType: 'renderer',
           done: done
@@ -97,7 +97,7 @@ describe('crashReporter module', () => {
               remote.process.crashServicePid = crashServiceProcess.pid
             }
 
-            childProcess.fork(crashPath, [port, version, crashesDir], {silent: true})
+            childProcess.fork(crashPath, [port, version, crashesDir], { silent: true })
           },
           processType: 'browser',
           done: done
@@ -129,7 +129,7 @@ describe('crashReporter module', () => {
             const dumps = files.filter((file) => /\.dmp$/.test(file) && !existingDumpFiles.has(file))
             if (!dumps.length) return
 
-            assert.equal(1, dumps.length)
+            assert.strictEqual(1, dumps.length)
             dumpFile = path.join(crashesDir, dumps[0])
             clearInterval(pollInterval)
             // dump file should not be deleted when not uploading, so we wait
@@ -147,7 +147,7 @@ describe('crashReporter module', () => {
                 }
               }
             }
-            event.returnValue = null  // allow the renderer to crash
+            event.returnValue = null // allow the renderer to crash
             pollInterval = setInterval(pollDumpFile, 100)
           })
         })
@@ -200,24 +200,24 @@ describe('crashReporter module', () => {
     it('returns the product name if one is specified', () => {
       const name = crashReporter.getProductName()
       const expectedName = (process.platform === 'darwin') ? 'Electron Test' : 'Zombies'
-      assert.equal(name, expectedName)
+      assert.strictEqual(name, expectedName)
     })
   })
 
   describe('getTempDirectory', () => {
     it('returns temp directory for app if one is specified', () => {
       const tempDir = crashReporter.getTempDirectory()
-      assert.equal(tempDir, app.getPath('temp'))
+      assert.strictEqual(tempDir, app.getPath('temp'))
     })
   })
 
   describe('start(options)', () => {
     it('requires that the companyName and submitURL options be specified', () => {
       assert.throws(() => {
-        crashReporter.start({companyName: 'Missing submitURL'})
+        crashReporter.start({ companyName: 'Missing submitURL' })
       }, /submitURL is a required option to crashReporter\.start/)
       assert.throws(() => {
-        crashReporter.start({submitURL: 'Missing companyName'})
+        crashReporter.start({ submitURL: 'Missing companyName' })
       }, /companyName is a required option to crashReporter\.start/)
     })
     it('can be called multiple times', () => {
@@ -244,7 +244,7 @@ describe('crashReporter module', () => {
       } else {
         dir = `${app.getPath('temp')}/Electron Test Crashes`
       }
-      assert.equal(crashesDir, dir)
+      assert.strictEqual(crashesDir, dir)
     })
   })
 
@@ -263,13 +263,13 @@ describe('crashReporter module', () => {
       const reports = crashReporter.getUploadedReports()
       expect(reports).to.be.an('array')
       expect(reports).to.have.lengthOf.at.least(2,
-          'There are not enough reports for this test')
+        'There are not enough reports for this test')
 
       const lastReport = crashReporter.getLastCrashReport()
       expect(lastReport).to.be.an('object').that.includes.a.key('date')
 
       // Let's find the newest report.
-      const {report: newestReport} = reports.reduce((acc, cur) => {
+      const { report: newestReport } = reports.reduce((acc, cur) => {
         const timestamp = new Date(cur.date).getTime()
         return (timestamp > acc.timestamp)
           ? { report: cur, timestamp: timestamp }
@@ -278,8 +278,8 @@ describe('crashReporter module', () => {
       assert(newestReport, 'Hey!')
 
       expect(lastReport.date.getTime()).to.be.equal(
-          newestReport.date.getTime(),
-          'Last report is not the newest.')
+        newestReport.date.getTime(),
+        'Last report is not the newest.')
     })
   })
 
@@ -299,7 +299,7 @@ describe('crashReporter module', () => {
         submitURL: 'http://127.0.0.1/crashes',
         uploadToServer: true
       })
-      assert.equal(crashReporter.getUploadToServer(), true)
+      assert.strictEqual(crashReporter.getUploadToServer(), true)
     })
     it('returns false when uploadToServer is set to false', function () {
       if (process.platform !== 'darwin') {
@@ -314,7 +314,7 @@ describe('crashReporter module', () => {
         uploadToServer: true
       })
       crashReporter.setUploadToServer(false)
-      assert.equal(crashReporter.getUploadToServer(), false)
+      assert.strictEqual(crashReporter.getUploadToServer(), false)
     })
   })
 
@@ -335,7 +335,7 @@ describe('crashReporter module', () => {
         uploadToServer: true
       })
       crashReporter.setUploadToServer(false)
-      assert.equal(crashReporter.getUploadToServer(), false)
+      assert.strictEqual(crashReporter.getUploadToServer(), false)
     })
     it('sets uploadToServer true when called with true', function () {
       if (process.platform !== 'darwin') {
@@ -350,7 +350,7 @@ describe('crashReporter module', () => {
         uploadToServer: false
       })
       crashReporter.setUploadToServer(true)
-      assert.equal(crashReporter.getUploadToServer(), true)
+      assert.strictEqual(crashReporter.getUploadToServer(), true)
     })
   })
 
@@ -417,7 +417,7 @@ const waitForCrashReport = () => {
   })
 }
 
-const startServer = ({callback, processType, done}) => {
+const startServer = ({ callback, processType, done }) => {
   let called = false
   let server = http.createServer((req, res) => {
     const form = new multiparty.Form()
@@ -425,23 +425,23 @@ const startServer = ({callback, processType, done}) => {
       if (error) throw error
       if (called) return
       called = true
-      assert.equal(fields.prod, 'Electron')
-      assert.equal(fields.ver, process.versions.electron)
-      assert.equal(fields.process_type, processType)
-      assert.equal(fields.platform, process.platform)
-      assert.equal(fields.extra1, 'extra1')
-      assert.equal(fields.extra2, 'extra2')
-      assert.equal(fields.extra3, undefined)
-      assert.equal(fields._productName, 'Zombies')
-      assert.equal(fields._companyName, 'Umbrella Corporation')
-      assert.equal(fields._version, app.getVersion())
+      assert.deepStrictEqual(String(fields.prod), 'Electron')
+      assert.strictEqual(String(fields.ver), process.versions.electron)
+      assert.strictEqual(String(fields.process_type), processType)
+      assert.strictEqual(String(fields.platform), process.platform)
+      assert.strictEqual(String(fields.extra1), 'extra1')
+      assert.strictEqual(String(fields.extra2), 'extra2')
+      assert.strictEqual(fields.extra3, undefined)
+      assert.strictEqual(String(fields._productName), 'Zombies')
+      assert.strictEqual(String(fields._companyName), 'Umbrella Corporation')
+      assert.strictEqual(String(fields._version), app.getVersion())
 
       const reportId = 'abc-123-def-456-abc-789-abc-123-abcd'
       res.end(reportId, () => {
         waitForCrashReport().then(() => {
-          assert.equal(crashReporter.getLastCrashReport().id, reportId)
-          assert.notEqual(crashReporter.getUploadedReports().length, 0)
-          assert.equal(crashReporter.getUploadedReports()[0].id, reportId)
+          assert.strictEqual(crashReporter.getLastCrashReport().id, reportId)
+          assert.notStrictEqual(crashReporter.getUploadedReports().length, 0)
+          assert.strictEqual(crashReporter.getUploadedReports()[0].id, reportId)
           req.socket.destroy()
           done()
         }, done)
@@ -457,7 +457,7 @@ const startServer = ({callback, processType, done}) => {
     })
   })
 
-  let {port} = remote.process
+  let { port } = remote.process
   server.listen(port, '127.0.0.1', () => {
     port = server.address().port
     remote.process.port = port
@@ -481,7 +481,7 @@ const startServer = ({callback, processType, done}) => {
 }
 
 const stopCrashService = () => {
-  const {crashServicePid} = remote.process
+  const { crashServicePid } = remote.process
   if (crashServicePid) {
     remote.process.crashServicePid = 0
     try {
diff --git a/spec/api-debugger-spec.js b/spec/api-debugger-spec.js
index d8fe4202998..658eb62f560 100644
--- a/spec/api-debugger-spec.js
+++ b/spec/api-debugger-spec.js
@@ -2,10 +2,10 @@ const chai = require('chai')
 const dirtyChai = require('dirty-chai')
 const http = require('http')
 const path = require('path')
-const {closeWindow} = require('./window-helpers')
-const {BrowserWindow} = require('electron').remote
+const { closeWindow } = require('./window-helpers')
+const { BrowserWindow } = require('electron').remote
 
-const {expect} = chai
+const { expect } = chai
 chai.use(dirtyChai)
 
 describe('debugger module', () => {
@@ -119,7 +119,7 @@ describe('debugger module', () => {
         done()
       }
 
-      const params = {'expression': '4+2'}
+      const params = { 'expression': '4+2' }
       w.webContents.debugger.sendCommand('Runtime.evaluate', params, callback)
     })
 
@@ -139,7 +139,7 @@ describe('debugger module', () => {
       }
       w.webContents.openDevTools()
       w.webContents.once('devtools-opened', () => {
-        const params = {'expression': '4+2'}
+        const params = { 'expression': '4+2' }
         w.webContents.debugger.sendCommand('Runtime.evaluate', params, callback)
       })
     })
diff --git a/spec/api-deprecations-spec.js b/spec/api-deprecations-spec.js
index 01be01f4a18..f14e23f847e 100644
--- a/spec/api-deprecations-spec.js
+++ b/spec/api-deprecations-spec.js
@@ -2,9 +2,9 @@
 
 const chai = require('chai')
 const dirtyChai = require('dirty-chai')
-const {deprecations, deprecate} = require('electron')
+const { deprecations, deprecate } = require('electron')
 
-const {expect} = chai
+const { expect } = chai
 chai.use(dirtyChai)
 
 describe('deprecations', () => {
@@ -43,7 +43,7 @@ describe('deprecations', () => {
     const newProp = 'shinyNewName'
 
     let value = 0
-    const o = {[newProp]: value}
+    const o = { [newProp]: value }
     expect(o).to.not.have.a.property(oldProp)
     expect(o).to.have.a.property(newProp).that.is.a('number')
 
@@ -71,7 +71,7 @@ describe('deprecations', () => {
     deprecations.setHandler(m => { msg = m })
 
     const prop = 'itMustGo'
-    let o = {[prop]: 0}
+    let o = { [prop]: 0 }
 
     deprecate.removeProperty(o, prop)
 
@@ -88,7 +88,7 @@ describe('deprecations', () => {
 
     const key = 'foo'
     const val = 'bar'
-    let o = {[key]: val}
+    let o = { [key]: val }
     deprecate.removeProperty(o, key)
 
     for (let i = 0; i < 3; ++i) {
@@ -104,7 +104,7 @@ describe('deprecations', () => {
     const oldProp = 'dingyOldName'
     const newProp = 'shinyNewName'
 
-    let o = {[oldProp]: 0}
+    let o = { [oldProp]: 0 }
     deprecate.renameProperty(o, oldProp, newProp)
 
     expect(msg).to.be.a('string')
diff --git a/spec/api-desktop-capturer-spec.js b/spec/api-desktop-capturer-spec.js
index 339d9756e40..b23859a9ed0 100644
--- a/spec/api-desktop-capturer-spec.js
+++ b/spec/api-desktop-capturer-spec.js
@@ -1,9 +1,9 @@
 const chai = require('chai')
 const dirtyChai = require('dirty-chai')
-const {desktopCapturer, remote, screen} = require('electron')
+const { desktopCapturer, remote, screen } = require('electron')
 const features = process.atomBinding('features')
 
-const {expect} = chai
+const { expect } = chai
 chai.use(dirtyChai)
 
 const isCI = remote.getGlobal('isCi')
@@ -47,8 +47,8 @@ describe('desktopCapturer', () => {
       if (callCount === 2) done()
     }
 
-    desktopCapturer.getSources({types: ['window', 'screen']}, callback)
-    desktopCapturer.getSources({types: ['window', 'screen']}, callback)
+    desktopCapturer.getSources({ types: ['window', 'screen'] }, callback)
+    desktopCapturer.getSources({ types: ['window', 'screen'] }, callback)
   })
 
   it('responds to subsequent calls of different options', done => {
@@ -59,8 +59,8 @@ describe('desktopCapturer', () => {
       if (callCount === 2) done()
     }
 
-    desktopCapturer.getSources({types: ['window']}, callback)
-    desktopCapturer.getSources({types: ['screen']}, callback)
+    desktopCapturer.getSources({ types: ['window'] }, callback)
+    desktopCapturer.getSources({ types: ['screen'] }, callback)
   })
 
   it('returns an empty display_id for window sources on Windows and Mac', done => {
@@ -72,11 +72,11 @@ describe('desktopCapturer', () => {
     const { BrowserWindow } = remote
     const w = new BrowserWindow({ width: 200, height: 200 })
 
-    desktopCapturer.getSources({types: ['window']}, (error, sources) => {
+    desktopCapturer.getSources({ types: ['window'] }, (error, sources) => {
       w.destroy()
       expect(error).to.be.null()
       expect(sources).to.be.an('array').that.is.not.empty()
-      for (const {display_id: displayId} of sources) {
+      for (const { display_id: displayId } of sources) {
         expect(displayId).to.be.a('string').and.be.empty()
       }
       done()
@@ -89,7 +89,7 @@ describe('desktopCapturer', () => {
     }
 
     const displays = screen.getAllDisplays()
-    desktopCapturer.getSources({types: ['screen']}, (error, sources) => {
+    desktopCapturer.getSources({ types: ['screen'] }, (error, sources) => {
       expect(error).to.be.null()
       expect(sources).to.be.an('array').of.length(displays.length)
 
diff --git a/spec/api-dialog-spec.js b/spec/api-dialog-spec.js
index da43cc1dde8..2d9cf71e0f4 100644
--- a/spec/api-dialog-spec.js
+++ b/spec/api-dialog-spec.js
@@ -1,27 +1,27 @@
-const {expect} = require('chai')
-const {dialog} = require('electron').remote
+const { expect } = require('chai')
+const { dialog } = require('electron').remote
 
 describe('dialog module', () => {
   describe('showOpenDialog', () => {
     it('throws errors when the options are invalid', () => {
       expect(() => {
-        dialog.showOpenDialog({properties: false})
+        dialog.showOpenDialog({ properties: false })
       }).to.throw(/Properties must be an array/)
 
       expect(() => {
-        dialog.showOpenDialog({title: 300})
+        dialog.showOpenDialog({ title: 300 })
       }).to.throw(/Title must be a string/)
 
       expect(() => {
-        dialog.showOpenDialog({buttonLabel: []})
+        dialog.showOpenDialog({ buttonLabel: [] })
       }).to.throw(/Button label must be a string/)
 
       expect(() => {
-        dialog.showOpenDialog({defaultPath: {}})
+        dialog.showOpenDialog({ defaultPath: {} })
       }).to.throw(/Default path must be a string/)
 
       expect(() => {
-        dialog.showOpenDialog({message: {}})
+        dialog.showOpenDialog({ message: {} })
       }).to.throw(/Message must be a string/)
     })
   })
@@ -29,23 +29,23 @@ describe('dialog module', () => {
   describe('showSaveDialog', () => {
     it('throws errors when the options are invalid', () => {
       expect(() => {
-        dialog.showSaveDialog({title: 300})
+        dialog.showSaveDialog({ title: 300 })
       }).to.throw(/Title must be a string/)
 
       expect(() => {
-        dialog.showSaveDialog({buttonLabel: []})
+        dialog.showSaveDialog({ buttonLabel: [] })
       }).to.throw(/Button label must be a string/)
 
       expect(() => {
-        dialog.showSaveDialog({defaultPath: {}})
+        dialog.showSaveDialog({ defaultPath: {} })
       }).to.throw(/Default path must be a string/)
 
       expect(() => {
-        dialog.showSaveDialog({message: {}})
+        dialog.showSaveDialog({ message: {} })
       }).to.throw(/Message must be a string/)
 
       expect(() => {
-        dialog.showSaveDialog({nameFieldLabel: {}})
+        dialog.showSaveDialog({ nameFieldLabel: {} })
       }).to.throw(/Name field label must be a string/)
     })
   })
@@ -53,27 +53,27 @@ describe('dialog module', () => {
   describe('showMessageBox', () => {
     it('throws errors when the options are invalid', () => {
       expect(() => {
-        dialog.showMessageBox(undefined, {type: 'not-a-valid-type'})
+        dialog.showMessageBox(undefined, { type: 'not-a-valid-type' })
       }).to.throw(/Invalid message box type/)
 
       expect(() => {
-        dialog.showMessageBox(null, {buttons: false})
+        dialog.showMessageBox(null, { buttons: false })
       }).to.throw(/Buttons must be an array/)
 
       expect(() => {
-        dialog.showMessageBox({title: 300})
+        dialog.showMessageBox({ title: 300 })
       }).to.throw(/Title must be a string/)
 
       expect(() => {
-        dialog.showMessageBox({message: []})
+        dialog.showMessageBox({ message: [] })
       }).to.throw(/Message must be a string/)
 
       expect(() => {
-        dialog.showMessageBox({detail: 3.14})
+        dialog.showMessageBox({ detail: 3.14 })
       }).to.throw(/Detail must be a string/)
 
       expect(() => {
-        dialog.showMessageBox({checkboxLabel: false})
+        dialog.showMessageBox({ checkboxLabel: false })
       }).to.throw(/checkboxLabel must be a string/)
     })
   })
@@ -105,7 +105,7 @@ describe('dialog module', () => {
       }).to.throw(/certificate must be an object/)
 
       expect(() => {
-        dialog.showCertificateTrustDialog({certificate: {}, message: false})
+        dialog.showCertificateTrustDialog({ certificate: {}, message: false })
       }).to.throw(/message must be a string/)
     })
   })
diff --git a/spec/api-global-shortcut-spec.js b/spec/api-global-shortcut-spec.js
index 718a1ca8698..04abee452da 100644
--- a/spec/api-global-shortcut-spec.js
+++ b/spec/api-global-shortcut-spec.js
@@ -1,10 +1,10 @@
-const {globalShortcut} = require('electron').remote
+const { globalShortcut } = require('electron').remote
 
 const chai = require('chai')
 const dirtyChai = require('dirty-chai')
 const isCI = require('electron').remote.getGlobal('isCi')
 
-const {expect} = chai
+const { expect } = chai
 chai.use(dirtyChai)
 
 describe('globalShortcut module', () => {
diff --git a/spec/api-in-app-purchase-spec.js b/spec/api-in-app-purchase-spec.js
index 3756139661b..83f673865ef 100644
--- a/spec/api-in-app-purchase-spec.js
+++ b/spec/api-in-app-purchase-spec.js
@@ -3,17 +3,17 @@
 const chai = require('chai')
 const dirtyChai = require('dirty-chai')
 
-const {expect} = chai
+const { expect } = chai
 chai.use(dirtyChai)
 
-const {remote} = require('electron')
+const { remote } = require('electron')
 
 describe('inAppPurchase module', function () {
   if (process.platform !== 'darwin') return
 
   this.timeout(3 * 60 * 1000)
 
-  const {inAppPurchase} = remote
+  const { inAppPurchase } = remote
 
   it('canMakePayments() does not throw', () => {
     expect(() => {
diff --git a/spec/api-ipc-main-spec.js b/spec/api-ipc-main-spec.js
index 176a9c4c658..b7262593087 100644
--- a/spec/api-ipc-main-spec.js
+++ b/spec/api-ipc-main-spec.js
@@ -3,13 +3,13 @@
 const chai = require('chai')
 const dirtyChai = require('dirty-chai')
 const path = require('path')
-const {closeWindow} = require('./window-helpers')
+const { closeWindow } = require('./window-helpers')
 
-const {expect} = chai
+const { expect } = chai
 chai.use(dirtyChai)
 
-const {remote} = require('electron')
-const {ipcMain, BrowserWindow} = remote
+const { remote } = require('electron')
+const { ipcMain, BrowserWindow } = remote
 
 describe('ipc main module', () => {
   const fixtures = path.join(__dirname, 'fixtures')
diff --git a/spec/api-ipc-renderer-spec.js b/spec/api-ipc-renderer-spec.js
index fd92141c3b0..80f2ec2c5cc 100644
--- a/spec/api-ipc-renderer-spec.js
+++ b/spec/api-ipc-renderer-spec.js
@@ -4,13 +4,13 @@ const chai = require('chai')
 const dirtyChai = require('dirty-chai')
 const http = require('http')
 const path = require('path')
-const {closeWindow} = require('./window-helpers')
+const { closeWindow } = require('./window-helpers')
 
-const {expect} = chai
+const { expect } = chai
 chai.use(dirtyChai)
 
-const {ipcRenderer, remote} = require('electron')
-const {ipcMain, webContents, BrowserWindow} = remote
+const { ipcRenderer, remote } = require('electron')
+const { ipcMain, webContents, BrowserWindow } = remote
 
 describe('ipc renderer module', () => {
   const fixtures = path.join(__dirname, 'fixtures')
@@ -69,7 +69,7 @@ describe('ipc renderer module', () => {
     })
 
     it('does not crash on external objects (regression)', done => {
-      const request = http.request({port: 5000, hostname: '127.0.0.1', method: 'GET', path: '/'})
+      const request = http.request({ port: 5000, hostname: '127.0.0.1', method: 'GET', path: '/' })
       const stream = request.agent.sockets['127.0.0.1:5000:'][0]._handle._externalStream
       request.on('error', () => {})
       ipcRenderer.once('message', (event, requestValue, externalStreamValue) => {
@@ -83,9 +83,9 @@ describe('ipc renderer module', () => {
     })
 
     it('can send objects that both reference the same object', done => {
-      const child = {hello: 'world'}
-      const foo = {name: 'foo', child: child}
-      const bar = {name: 'bar', child: child}
+      const child = { hello: 'world' }
+      const foo = { name: 'foo', child: child }
+      const bar = { name: 'bar', child: child }
       const array = [foo, bar]
 
       ipcRenderer.once('message', (event, arrayValue, fooValue, barValue, childValue) => {
@@ -102,7 +102,7 @@ describe('ipc renderer module', () => {
       const array = [5]
       array.push(array)
 
-      const child = {hello: 'world'}
+      const child = { hello: 'world' }
       child.child = child
 
       ipcRenderer.once('message', (event, arrayValue, childValue) => {
diff --git a/spec/api-menu-item-spec.js b/spec/api-menu-item-spec.js
index fb3ee998eac..bffa0ecad58 100644
--- a/spec/api-menu-item-spec.js
+++ b/spec/api-menu-item-spec.js
@@ -1,12 +1,12 @@
 const chai = require('chai')
 const dirtyChai = require('dirty-chai')
 
-const {remote} = require('electron')
-const {BrowserWindow, app, Menu, MenuItem} = remote
+const { remote } = require('electron')
+const { BrowserWindow, app, Menu, MenuItem } = remote
 const roles = require('../lib/browser/api/menu-item-roles')
-const {closeWindow} = require('./window-helpers')
+const { closeWindow } = require('./window-helpers')
 
-const {expect} = chai
+const { expect } = chai
 chai.use(dirtyChai)
 
 describe('MenuItems', () => {
@@ -83,7 +83,7 @@ describe('MenuItems', () => {
           })
         }
 
-        template.push({type: 'separator'})
+        template.push({ type: 'separator' })
 
         for (let i = 12; i <= 20; i++) {
           template.push({
@@ -142,8 +142,8 @@ describe('MenuItems', () => {
 
   describe('MenuItem role execution', () => {
     it('does not try to execute roles without a valid role property', () => {
-      let win = new BrowserWindow({show: false, width: 200, height: 200})
-      let item = new MenuItem({role: 'asdfghjkl'})
+      let win = new BrowserWindow({ show: false, width: 200, height: 200 })
+      let item = new MenuItem({ role: 'asdfghjkl' })
 
       const canExecute = roles.execute(item.role, win, win.webContents)
       expect(canExecute).to.be.false()
@@ -152,8 +152,8 @@ describe('MenuItems', () => {
     })
 
     it('executes roles with native role functions', () => {
-      let win = new BrowserWindow({show: false, width: 200, height: 200})
-      let item = new MenuItem({role: 'reload'})
+      let win = new BrowserWindow({ show: false, width: 200, height: 200 })
+      let item = new MenuItem({ role: 'reload' })
 
       const canExecute = roles.execute(item.role, win, win.webContents)
       expect(canExecute).to.be.true()
@@ -162,8 +162,8 @@ describe('MenuItems', () => {
     })
 
     it('execute roles with non-native role functions', () => {
-      let win = new BrowserWindow({show: false, width: 200, height: 200})
-      let item = new MenuItem({role: 'resetzoom'})
+      let win = new BrowserWindow({ show: false, width: 200, height: 200 })
+      let item = new MenuItem({ role: 'resetzoom' })
 
       const canExecute = roles.execute(item.role, win, win.webContents)
       expect(canExecute).to.be.true()
@@ -174,7 +174,7 @@ describe('MenuItems', () => {
 
   describe('MenuItem command id', () => {
     it('cannot be overwritten', () => {
-      const item = new MenuItem({label: 'item'})
+      const item = new MenuItem({ label: 'item' })
 
       const commandId = item.commandId
       expect(commandId).to.not.be.undefined()
@@ -230,7 +230,7 @@ describe('MenuItems', () => {
       ]
 
       for (let role in roleList) {
-        const item = new MenuItem({role})
+        const item = new MenuItem({ role })
         expect(item.getDefaultRoleAccelerator()).to.be.undefined()
       }
     })
@@ -259,7 +259,7 @@ describe('MenuItems', () => {
       }
 
       for (let role in roleList) {
-        const item = new MenuItem({role})
+        const item = new MenuItem({ role })
         expect(item.label).to.equal(roleList[role])
       }
     })
@@ -288,7 +288,7 @@ describe('MenuItems', () => {
       }
 
       for (let role in roleList) {
-        const item = new MenuItem({role})
+        const item = new MenuItem({ role })
         expect(item.getDefaultRoleAccelerator()).to.equal(roleList[role])
       }
     })
@@ -308,7 +308,7 @@ describe('MenuItems', () => {
 
   describe('MenuItem editMenu', () => {
     it('includes a default submenu layout when submenu is empty', () => {
-      const item = new MenuItem({role: 'editMenu'})
+      const item = new MenuItem({ role: 'editMenu' })
 
       expect(item.label).to.equal('Edit')
       expect(item.submenu.items[0].role).to.equal('undo')
@@ -345,7 +345,7 @@ describe('MenuItems', () => {
 
   describe('MenuItem windowMenu', () => {
     it('includes a default submenu layout when submenu is empty', () => {
-      const item = new MenuItem({role: 'windowMenu'})
+      const item = new MenuItem({ role: 'windowMenu' })
 
       expect(item.label).to.equal('Window')
       expect(item.submenu.items[0].role).to.equal('minimize')
@@ -360,7 +360,7 @@ describe('MenuItems', () => {
     it('overrides default layout when submenu is specified', () => {
       const item = new MenuItem({
         role: 'windowMenu',
-        submenu: [{role: 'copy'}]
+        submenu: [{ role: 'copy' }]
       })
 
       expect(item.label).to.equal('Window')
diff --git a/spec/api-menu-spec.js b/spec/api-menu-spec.js
index ed2749700c6..d5f092c3509 100644
--- a/spec/api-menu-spec.js
+++ b/spec/api-menu-spec.js
@@ -1,12 +1,12 @@
 const chai = require('chai')
 const dirtyChai = require('dirty-chai')
 
-const {ipcRenderer, remote} = require('electron')
-const {BrowserWindow, Menu, MenuItem} = remote
-const {sortMenuItems} = require('../lib/browser/api/menu-utils')
-const {closeWindow} = require('./window-helpers')
+const { ipcRenderer, remote } = require('electron')
+const { BrowserWindow, Menu, MenuItem } = remote
+const { sortMenuItems } = require('../lib/browser/api/menu-utils')
+const { closeWindow } = require('./window-helpers')
 
-const {expect} = chai
+const { expect } = chai
 chai.use(dirtyChai)
 
 describe('Menu module', () => {
@@ -22,7 +22,7 @@ describe('Menu module', () => {
     })
 
     it('does not modify the specified template', () => {
-      const template = [{label: 'text', submenu: [{label: 'sub'}]}]
+      const template = [{ label: 'text', submenu: [{ label: 'sub' }] }]
       const result = ipcRenderer.sendSync('eval', `const template = [{label: 'text', submenu: [{label: 'sub'}]}]\nrequire('electron').Menu.buildFromTemplate(template)\ntemplate`)
       expect(result).to.deep.equal(template)
     })
@@ -596,9 +596,9 @@ describe('Menu module', () => {
   describe('Menu.insert', () => {
     it('should store item in @items by its index', () => {
       const menu = Menu.buildFromTemplate([
-        {label: '1'},
-        {label: '2'},
-        {label: '3'}
+        { label: '1' },
+        { label: '2' },
+        { label: '3' }
       ])
 
       const item = new MenuItem({ label: 'inserted' })
@@ -614,9 +614,9 @@ describe('Menu module', () => {
   describe('Menu.append', () => {
     it('should add the item to the end of the menu', () => {
       const menu = Menu.buildFromTemplate([
-        {label: '1'},
-        {label: '2'},
-        {label: '3'}
+        { label: '1' },
+        { label: '2' },
+        { label: '3' }
       ])
 
       const item = new MenuItem({ label: 'inserted' })
@@ -634,11 +634,11 @@ describe('Menu module', () => {
     let menu
 
     beforeEach(() => {
-      w = new BrowserWindow({show: false, width: 200, height: 200})
+      w = new BrowserWindow({ show: false, width: 200, height: 200 })
       menu = Menu.buildFromTemplate([
-        {label: '1'},
-        {label: '2'},
-        {label: '3'}
+        { label: '1' },
+        { label: '2' },
+        { label: '3' }
       ])
     })
 
@@ -662,17 +662,17 @@ describe('Menu module', () => {
 
     it('should emit menu-will-show event', (done) => {
       menu.on('menu-will-show', () => { done() })
-      menu.popup({window: w})
+      menu.popup({ window: w })
     })
 
     it('should emit menu-will-close event', (done) => {
       menu.on('menu-will-close', () => { done() })
-      menu.popup({window: w})
+      menu.popup({ window: w })
       menu.closePopup()
     })
 
     it('returns immediately', () => {
-      const input = {window: w, x: 100, y: 101}
+      const input = { window: w, x: 100, y: 101 }
       const output = menu.popup(input)
       expect(output.x).to.equal(input.x)
       expect(output.y).to.equal(input.y)
@@ -680,7 +680,7 @@ describe('Menu module', () => {
     })
 
     it('works without a given BrowserWindow and options', () => {
-      const {browserWindow, x, y} = menu.popup({x: 100, y: 101})
+      const { browserWindow, x, y } = menu.popup({ x: 100, y: 101 })
 
       expect(browserWindow.constructor.name).to.equal('BrowserWindow')
       expect(x).to.equal(100)
@@ -688,7 +688,7 @@ describe('Menu module', () => {
     })
 
     it('works with a given BrowserWindow, options and callback', (done) => {
-      const {x, y} = menu.popup({
+      const { x, y } = menu.popup({
         window: w,
         x: 100,
         y: 101,
@@ -701,7 +701,7 @@ describe('Menu module', () => {
     })
 
     it('works with a given BrowserWindow, no options, and a callback', (done) => {
-      menu.popup({window: w, callback: () => done()})
+      menu.popup({ window: w, callback: () => done() })
       menu.closePopup()
     })
   })
@@ -709,8 +709,8 @@ describe('Menu module', () => {
   describe('Menu.setApplicationMenu', () => {
     it('sets a menu', () => {
       const menu = Menu.buildFromTemplate([
-        {label: '1'},
-        {label: '2'}
+        { label: '1' },
+        { label: '2' }
       ])
 
       Menu.setApplicationMenu(menu)
diff --git a/spec/api-native-image-spec.js b/spec/api-native-image-spec.js
index 0546971b716..e6097099697 100644
--- a/spec/api-native-image-spec.js
+++ b/spec/api-native-image-spec.js
@@ -2,10 +2,10 @@
 
 const chai = require('chai')
 const dirtyChai = require('dirty-chai')
-const {nativeImage} = require('electron')
+const { nativeImage } = require('electron')
 const path = require('path')
 
-const {expect} = chai
+const { expect } = chai
 chai.use(dirtyChai)
 
 describe('nativeImage module', () => {
@@ -58,7 +58,7 @@ describe('nativeImage module', () => {
    */
   const getImagePathFromFilename = (filename) => {
     return (filename === null) ? null
-        : path.join(__dirname, 'fixtures', 'assets', filename)
+      : path.join(__dirname, 'fixtures', 'assets', filename)
   }
 
   /**
@@ -72,7 +72,7 @@ describe('nativeImage module', () => {
     }
 
     return Object.entries(filters)
-        .every(([key, value]) => image[key] === value)
+      .every(([key, value]) => image[key] === value)
   }
 
   /**
@@ -81,11 +81,11 @@ describe('nativeImage module', () => {
    */
   const getImages = (filters) => {
     const matchingImages = images
-        .filter(i => imageMatchesTheFilters(i, filters))
+      .filter(i => imageMatchesTheFilters(i, filters))
 
     // Add `.path` property to every image.
     matchingImages
-        .forEach(i => { i.path = getImagePathFromFilename(i.filename) })
+      .forEach(i => { i.path = getImagePathFromFilename(i.filename) })
 
     return matchingImages
   }
@@ -111,15 +111,15 @@ describe('nativeImage module', () => {
       expect(empty.isEmpty())
       expect(empty.getAspectRatio()).to.equal(1)
       expect(empty.toDataURL()).to.equal('data:image/png;base64,')
-      expect(empty.toDataURL({scaleFactor: 2.0})).to.equal('data:image/png;base64,')
-      expect(empty.getSize()).to.deep.equal({width: 0, height: 0})
+      expect(empty.toDataURL({ scaleFactor: 2.0 })).to.equal('data:image/png;base64,')
+      expect(empty.getSize()).to.deep.equal({ width: 0, height: 0 })
       expect(empty.getBitmap()).to.be.empty()
-      expect(empty.getBitmap({scaleFactor: 2.0})).to.be.empty()
+      expect(empty.getBitmap({ scaleFactor: 2.0 })).to.be.empty()
       expect(empty.toBitmap()).to.be.empty()
-      expect(empty.toBitmap({scaleFactor: 2.0})).to.be.empty()
+      expect(empty.toBitmap({ scaleFactor: 2.0 })).to.be.empty()
       expect(empty.toJPEG(100)).to.be.empty()
       expect(empty.toPNG()).to.be.empty()
-      expect(empty.toPNG({scaleFactor: 2.0})).to.be.empty()
+      expect(empty.toPNG({ scaleFactor: 2.0 })).to.be.empty()
 
       if (process.platform === 'darwin') {
         expect(empty.getNativeHandle()).to.be.empty()
@@ -136,34 +136,34 @@ describe('nativeImage module', () => {
       const imageA = nativeImage.createFromPath(path.join(__dirname, 'fixtures', 'assets', 'logo.png'))
 
       const imageB = nativeImage.createFromBuffer(imageA.toPNG())
-      expect(imageB.getSize()).to.deep.equal({width: 538, height: 190})
+      expect(imageB.getSize()).to.deep.equal({ width: 538, height: 190 })
       expect(imageA.toBitmap().equals(imageB.toBitmap())).to.be.true()
 
       const imageC = nativeImage.createFromBuffer(imageA.toJPEG(100))
-      expect(imageC.getSize()).to.deep.equal({width: 538, height: 190})
+      expect(imageC.getSize()).to.deep.equal({ width: 538, height: 190 })
 
       const imageD = nativeImage.createFromBuffer(imageA.toBitmap(),
-        {width: 538, height: 190})
-      expect(imageD.getSize()).to.deep.equal({width: 538, height: 190})
+        { width: 538, height: 190 })
+      expect(imageD.getSize()).to.deep.equal({ width: 538, height: 190 })
 
       const imageE = nativeImage.createFromBuffer(imageA.toBitmap(),
-        {width: 100, height: 200})
-      expect(imageE.getSize()).to.deep.equal({width: 100, height: 200})
+        { width: 100, height: 200 })
+      expect(imageE.getSize()).to.deep.equal({ width: 100, height: 200 })
 
       const imageF = nativeImage.createFromBuffer(imageA.toBitmap())
       expect(imageF.isEmpty())
 
       const imageG = nativeImage.createFromBuffer(imageA.toPNG(),
-        {width: 100, height: 200})
-      expect(imageG.getSize()).to.deep.equal({width: 538, height: 190})
+        { width: 100, height: 200 })
+      expect(imageG.getSize()).to.deep.equal({ width: 538, height: 190 })
 
       const imageH = nativeImage.createFromBuffer(imageA.toJPEG(100),
-        {width: 100, height: 200})
-      expect(imageH.getSize()).to.deep.equal({width: 538, height: 190})
+        { width: 100, height: 200 })
+      expect(imageH.getSize()).to.deep.equal({ width: 538, height: 190 })
 
       const imageI = nativeImage.createFromBuffer(imageA.toBitmap(),
-        {width: 538, height: 190, scaleFactor: 2.0})
-      expect(imageI.getSize()).to.deep.equal({width: 269, height: 95})
+        { width: 538, height: 190, scaleFactor: 2.0 })
+      expect(imageI.getSize()).to.deep.equal({ width: 269, height: 95 })
     })
   })
 
@@ -173,7 +173,7 @@ describe('nativeImage module', () => {
     })
 
     it('returns an image created from the given string', () => {
-      const imagesData = getImages({hasDataUrl: true})
+      const imagesData = getImages({ hasDataUrl: true })
       for (const imageData of imagesData) {
         const imageFromPath = nativeImage.createFromPath(imageData.path)
         const imageFromDataUrl = nativeImage.createFromDataURL(imageData.dataUrl)
@@ -181,7 +181,7 @@ describe('nativeImage module', () => {
         expect(imageFromDataUrl.isEmpty())
         expect(imageFromDataUrl.getSize()).to.deep.equal(imageFromPath.getSize())
         expect(imageFromDataUrl.toBitmap()).to.satisfy(
-            bitmap => imageFromPath.toBitmap().equals(bitmap))
+          bitmap => imageFromPath.toBitmap().equals(bitmap))
         expect(imageFromDataUrl.toDataURL()).to.equal(imageFromPath.toDataURL())
       }
     })
@@ -189,19 +189,19 @@ describe('nativeImage module', () => {
 
   describe('toDataURL()', () => {
     it('returns a PNG data URL', () => {
-      const imagesData = getImages({hasDataUrl: true})
+      const imagesData = getImages({ hasDataUrl: true })
       for (const imageData of imagesData) {
         const imageFromPath = nativeImage.createFromPath(imageData.path)
 
         const scaleFactors = [1.0, 2.0]
         for (const scaleFactor of scaleFactors) {
-          expect(imageFromPath.toDataURL({scaleFactor})).to.equal(imageData.dataUrl)
+          expect(imageFromPath.toDataURL({ scaleFactor })).to.equal(imageData.dataUrl)
         }
       }
     })
 
     it('returns a data URL at 1x scale factor by default', () => {
-      const imageData = getImage({filename: 'logo.png'})
+      const imageData = getImage({ filename: 'logo.png' })
       const image = nativeImage.createFromPath(imageData.path)
 
       const imageOne = nativeImage.createFromBuffer(image.toPNG(), {
@@ -210,33 +210,33 @@ describe('nativeImage module', () => {
         scaleFactor: 2.0
       })
       expect(imageOne.getSize()).to.deep.equal(
-          {width: imageData.width / 2, height: imageData.height / 2})
+        { width: imageData.width / 2, height: imageData.height / 2 })
 
       const imageTwo = nativeImage.createFromDataURL(imageOne.toDataURL())
       expect(imageTwo.getSize()).to.deep.equal(
-          {width: imageData.width, height: imageData.height})
+        { width: imageData.width, height: imageData.height })
 
       expect(imageOne.toBitmap().equals(imageTwo.toBitmap())).to.be.true()
     })
 
     it('supports a scale factor', () => {
-      const imageData = getImage({filename: 'logo.png'})
+      const imageData = getImage({ filename: 'logo.png' })
       const image = nativeImage.createFromPath(imageData.path)
-      const expectedSize = {width: imageData.width, height: imageData.height}
+      const expectedSize = { width: imageData.width, height: imageData.height }
 
       const imageFromDataUrlOne = nativeImage.createFromDataURL(
-          image.toDataURL({scaleFactor: 1.0}))
+        image.toDataURL({ scaleFactor: 1.0 }))
       expect(imageFromDataUrlOne.getSize()).to.deep.equal(expectedSize)
 
       const imageFromDataUrlTwo = nativeImage.createFromDataURL(
-          image.toDataURL({scaleFactor: 2.0}))
+        image.toDataURL({ scaleFactor: 2.0 }))
       expect(imageFromDataUrlTwo.getSize()).to.deep.equal(expectedSize)
     })
   })
 
   describe('toPNG()', () => {
     it('returns a buffer at 1x scale factor by default', () => {
-      const imageData = getImage({filename: 'logo.png'})
+      const imageData = getImage({ filename: 'logo.png' })
       const imageA = nativeImage.createFromPath(imageData.path)
 
       const imageB = nativeImage.createFromBuffer(imageA.toPNG(), {
@@ -245,28 +245,28 @@ describe('nativeImage module', () => {
         scaleFactor: 2.0
       })
       expect(imageB.getSize()).to.deep.equal(
-          {width: imageData.width / 2, height: imageData.height / 2})
+        { width: imageData.width / 2, height: imageData.height / 2 })
 
       const imageC = nativeImage.createFromBuffer(imageB.toPNG())
       expect(imageC.getSize()).to.deep.equal(
-          {width: imageData.width, height: imageData.height})
+        { width: imageData.width, height: imageData.height })
 
       expect(imageB.toBitmap().equals(imageC.toBitmap())).to.be.true()
     })
 
     it('supports a scale factor', () => {
-      const imageData = getImage({filename: 'logo.png'})
+      const imageData = getImage({ filename: 'logo.png' })
       const image = nativeImage.createFromPath(imageData.path)
 
       const imageFromBufferOne = nativeImage.createFromBuffer(
-          image.toPNG({scaleFactor: 1.0}))
+        image.toPNG({ scaleFactor: 1.0 }))
       expect(imageFromBufferOne.getSize()).to.deep.equal(
-          {width: imageData.width, height: imageData.height})
+        { width: imageData.width, height: imageData.height })
 
       const imageFromBufferTwo = nativeImage.createFromBuffer(
-          image.toPNG({scaleFactor: 2.0}), {scaleFactor: 2.0})
+        image.toPNG({ scaleFactor: 2.0 }), { scaleFactor: 2.0 })
       expect(imageFromBufferTwo.getSize()).to.deep.equal(
-          {width: imageData.width / 2, height: imageData.height / 2})
+        { width: imageData.width / 2, height: imageData.height / 2 })
     })
   })
 
@@ -283,21 +283,21 @@ describe('nativeImage module', () => {
       const imagePath = path.relative('.', path.join(__dirname, 'fixtures', 'assets', 'logo.png'))
       const image = nativeImage.createFromPath(imagePath)
       expect(image.isEmpty()).to.be.false()
-      expect(image.getSize()).to.deep.equal({width: 538, height: 190})
+      expect(image.getSize()).to.deep.equal({ width: 538, height: 190 })
     })
 
     it('loads images from paths with `.` segments', () => {
       const imagePath = `${path.join(__dirname, 'fixtures')}${path.sep}.${path.sep}${path.join('assets', 'logo.png')}`
       const image = nativeImage.createFromPath(imagePath)
       expect(image.isEmpty()).to.be.false()
-      expect(image.getSize()).to.deep.equal({width: 538, height: 190})
+      expect(image.getSize()).to.deep.equal({ width: 538, height: 190 })
     })
 
     it('loads images from paths with `..` segments', () => {
       const imagePath = `${path.join(__dirname, 'fixtures', 'api')}${path.sep}..${path.sep}${path.join('assets', 'logo.png')}`
       const image = nativeImage.createFromPath(imagePath)
       expect(image.isEmpty()).to.be.false()
-      expect(image.getSize()).to.deep.equal({width: 538, height: 190})
+      expect(image.getSize()).to.deep.equal({ width: 538, height: 190 })
     })
 
     it('Gets an NSImage pointer on macOS', function () {
@@ -328,7 +328,7 @@ describe('nativeImage module', () => {
       const imagePath = path.join(__dirname, 'fixtures', 'assets', 'icon.ico')
       const image = nativeImage.createFromPath(imagePath)
       expect(image.isEmpty()).to.be.false()
-      expect(image.getSize()).to.deep.equal({width: 256, height: 256})
+      expect(image.getSize()).to.deep.equal({ width: 256, height: 256 })
     })
   })
 
@@ -376,15 +376,15 @@ describe('nativeImage module', () => {
     it('returns a resized image', () => {
       const image = nativeImage.createFromPath(path.join(__dirname, 'fixtures', 'assets', 'logo.png'))
       for (const [resizeTo, expectedSize] of new Map([
-        [{}, {width: 538, height: 190}],
-        [{width: 269}, {width: 269, height: 95}],
-        [{width: 600}, {width: 600, height: 212}],
-        [{height: 95}, {width: 269, height: 95}],
-        [{height: 200}, {width: 566, height: 200}],
-        [{width: 80, height: 65}, {width: 80, height: 65}],
-        [{width: 600, height: 200}, {width: 600, height: 200}],
-        [{width: 0, height: 0}, {width: 0, height: 0}],
-        [{width: -1, height: -1}, {width: 0, height: 0}]
+        [{}, { width: 538, height: 190 }],
+        [{ width: 269 }, { width: 269, height: 95 }],
+        [{ width: 600 }, { width: 600, height: 212 }],
+        [{ height: 95 }, { width: 269, height: 95 }],
+        [{ height: 200 }, { width: 566, height: 200 }],
+        [{ width: 80, height: 65 }, { width: 80, height: 65 }],
+        [{ width: 600, height: 200 }, { width: 600, height: 200 }],
+        [{ width: 0, height: 0 }, { width: 0, height: 0 }],
+        [{ width: -1, height: -1 }, { width: 0, height: 0 }]
       ])) {
         const actualSize = image.resize(resizeTo).getSize()
         expect(actualSize).to.deep.equal(expectedSize)
@@ -392,15 +392,15 @@ describe('nativeImage module', () => {
     })
 
     it('returns an empty image when called on an empty image', () => {
-      expect(nativeImage.createEmpty().resize({width: 1, height: 1}).isEmpty())
-      expect(nativeImage.createEmpty().resize({width: 0, height: 0}).isEmpty())
+      expect(nativeImage.createEmpty().resize({ width: 1, height: 1 }).isEmpty())
+      expect(nativeImage.createEmpty().resize({ width: 0, height: 0 }).isEmpty())
     })
 
     it('supports a quality option', () => {
       const image = nativeImage.createFromPath(path.join(__dirname, 'fixtures', 'assets', 'logo.png'))
-      const good = image.resize({width: 100, height: 100, quality: 'good'})
-      const better = image.resize({width: 100, height: 100, quality: 'better'})
-      const best = image.resize({width: 100, height: 100, quality: 'best'})
+      const good = image.resize({ width: 100, height: 100, quality: 'good' })
+      const better = image.resize({ width: 100, height: 100, quality: 'better' })
+      const best = image.resize({ width: 100, height: 100, quality: 'best' })
 
       expect(good.toPNG()).to.have.lengthOf.at.most(better.toPNG().length)
       expect(better.toPNG()).to.have.lengthOf.below(best.toPNG().length)
@@ -409,24 +409,24 @@ describe('nativeImage module', () => {
 
   describe('crop(bounds)', () => {
     it('returns an empty image when called on an empty image', () => {
-      expect(nativeImage.createEmpty().crop({width: 1, height: 2, x: 0, y: 0}).isEmpty())
-      expect(nativeImage.createEmpty().crop({width: 0, height: 0, x: 0, y: 0}).isEmpty())
+      expect(nativeImage.createEmpty().crop({ width: 1, height: 2, x: 0, y: 0 }).isEmpty())
+      expect(nativeImage.createEmpty().crop({ width: 0, height: 0, x: 0, y: 0 }).isEmpty())
     })
 
     it('returns an empty image when the bounds are invalid', () => {
       const image = nativeImage.createFromPath(path.join(__dirname, 'fixtures', 'assets', 'logo.png'))
-      expect(image.crop({width: 0, height: 0, x: 0, y: 0}).isEmpty())
-      expect(image.crop({width: -1, height: 10, x: 0, y: 0}).isEmpty())
-      expect(image.crop({width: 10, height: -35, x: 0, y: 0}).isEmpty())
-      expect(image.crop({width: 100, height: 100, x: 1000, y: 1000}).isEmpty())
+      expect(image.crop({ width: 0, height: 0, x: 0, y: 0 }).isEmpty())
+      expect(image.crop({ width: -1, height: 10, x: 0, y: 0 }).isEmpty())
+      expect(image.crop({ width: 10, height: -35, x: 0, y: 0 }).isEmpty())
+      expect(image.crop({ width: 100, height: 100, x: 1000, y: 1000 }).isEmpty())
     })
 
     it('returns a cropped image', () => {
       const image = nativeImage.createFromPath(path.join(__dirname, 'fixtures', 'assets', 'logo.png'))
-      const cropA = image.crop({width: 25, height: 64, x: 0, y: 0})
-      const cropB = image.crop({width: 25, height: 64, x: 30, y: 40})
-      expect(cropA.getSize()).to.deep.equal({width: 25, height: 64})
-      expect(cropB.getSize()).to.deep.equal({width: 25, height: 64})
+      const cropA = image.crop({ width: 25, height: 64, x: 0, y: 0 })
+      const cropB = image.crop({ width: 25, height: 64, x: 30, y: 40 })
+      expect(cropA.getSize()).to.deep.equal({ width: 25, height: 64 })
+      expect(cropB.getSize()).to.deep.equal({ width: 25, height: 64 })
       expect(cropA.toPNG().equals(cropB.toPNG())).to.be.false()
     })
   })
@@ -437,7 +437,7 @@ describe('nativeImage module', () => {
     })
 
     it('returns an aspect ratio of an image', () => {
-      const imageData = getImage({filename: 'logo.png'})
+      const imageData = getImage({ filename: 'logo.png' })
       // imageData.width / imageData.height = 2.831578947368421
       const expectedAspectRatio = 2.8315789699554443
 
@@ -450,19 +450,19 @@ describe('nativeImage module', () => {
     it('supports adding a buffer representation for a scale factor', () => {
       const image = nativeImage.createEmpty()
 
-      const imageDataOne = getImage({width: 1, height: 1})
+      const imageDataOne = getImage({ width: 1, height: 1 })
       image.addRepresentation({
         scaleFactor: 1.0,
         buffer: nativeImage.createFromPath(imageDataOne.path).toPNG()
       })
 
-      const imageDataTwo = getImage({width: 2, height: 2})
+      const imageDataTwo = getImage({ width: 2, height: 2 })
       image.addRepresentation({
         scaleFactor: 2.0,
         buffer: nativeImage.createFromPath(imageDataTwo.path).toPNG()
       })
 
-      const imageDataThree = getImage({width: 3, height: 3})
+      const imageDataThree = getImage({ width: 3, height: 3 })
       image.addRepresentation({
         scaleFactor: 3.0,
         buffer: nativeImage.createFromPath(imageDataThree.path).toPNG()
@@ -474,30 +474,30 @@ describe('nativeImage module', () => {
       })
 
       expect(image.isEmpty()).to.be.false()
-      expect(image.getSize()).to.deep.equal({width: 1, height: 1})
+      expect(image.getSize()).to.deep.equal({ width: 1, height: 1 })
 
-      expect(image.toDataURL({scaleFactor: 1.0})).to.equal(imageDataOne.dataUrl)
-      expect(image.toDataURL({scaleFactor: 2.0})).to.equal(imageDataTwo.dataUrl)
-      expect(image.toDataURL({scaleFactor: 3.0})).to.equal(imageDataThree.dataUrl)
-      expect(image.toDataURL({scaleFactor: 4.0})).to.equal(imageDataThree.dataUrl)
+      expect(image.toDataURL({ scaleFactor: 1.0 })).to.equal(imageDataOne.dataUrl)
+      expect(image.toDataURL({ scaleFactor: 2.0 })).to.equal(imageDataTwo.dataUrl)
+      expect(image.toDataURL({ scaleFactor: 3.0 })).to.equal(imageDataThree.dataUrl)
+      expect(image.toDataURL({ scaleFactor: 4.0 })).to.equal(imageDataThree.dataUrl)
     })
 
     it('supports adding a data URL representation for a scale factor', () => {
       const image = nativeImage.createEmpty()
 
-      const imageDataOne = getImage({width: 1, height: 1})
+      const imageDataOne = getImage({ width: 1, height: 1 })
       image.addRepresentation({
         scaleFactor: 1.0,
         dataURL: imageDataOne.dataUrl
       })
 
-      const imageDataTwo = getImage({width: 2, height: 2})
+      const imageDataTwo = getImage({ width: 2, height: 2 })
       image.addRepresentation({
         scaleFactor: 2.0,
         dataURL: imageDataTwo.dataUrl
       })
 
-      const imageDataThree = getImage({width: 3, height: 3})
+      const imageDataThree = getImage({ width: 3, height: 3 })
       image.addRepresentation({
         scaleFactor: 3.0,
         dataURL: imageDataThree.dataUrl
@@ -509,32 +509,32 @@ describe('nativeImage module', () => {
       })
 
       expect(image.isEmpty()).to.be.false()
-      expect(image.getSize()).to.deep.equal({width: 1, height: 1})
+      expect(image.getSize()).to.deep.equal({ width: 1, height: 1 })
 
-      expect(image.toDataURL({scaleFactor: 1.0})).to.equal(imageDataOne.dataUrl)
-      expect(image.toDataURL({scaleFactor: 2.0})).to.equal(imageDataTwo.dataUrl)
-      expect(image.toDataURL({scaleFactor: 3.0})).to.equal(imageDataThree.dataUrl)
-      expect(image.toDataURL({scaleFactor: 4.0})).to.equal(imageDataThree.dataUrl)
+      expect(image.toDataURL({ scaleFactor: 1.0 })).to.equal(imageDataOne.dataUrl)
+      expect(image.toDataURL({ scaleFactor: 2.0 })).to.equal(imageDataTwo.dataUrl)
+      expect(image.toDataURL({ scaleFactor: 3.0 })).to.equal(imageDataThree.dataUrl)
+      expect(image.toDataURL({ scaleFactor: 4.0 })).to.equal(imageDataThree.dataUrl)
     })
 
     it('supports adding a representation to an existing image', () => {
-      const imageDataOne = getImage({width: 1, height: 1})
+      const imageDataOne = getImage({ width: 1, height: 1 })
       const image = nativeImage.createFromPath(imageDataOne.path)
 
-      const imageDataTwo = getImage({width: 2, height: 2})
+      const imageDataTwo = getImage({ width: 2, height: 2 })
       image.addRepresentation({
         scaleFactor: 2.0,
         dataURL: imageDataTwo.dataUrl
       })
 
-      const imageDataThree = getImage({width: 3, height: 3})
+      const imageDataThree = getImage({ width: 3, height: 3 })
       image.addRepresentation({
         scaleFactor: 2.0,
         dataURL: imageDataThree.dataUrl
       })
 
-      expect(image.toDataURL({scaleFactor: 1.0})).to.equal(imageDataOne.dataUrl)
-      expect(image.toDataURL({scaleFactor: 2.0})).to.equal(imageDataTwo.dataUrl)
+      expect(image.toDataURL({ scaleFactor: 1.0 })).to.equal(imageDataOne.dataUrl)
+      expect(image.toDataURL({ scaleFactor: 2.0 })).to.equal(imageDataTwo.dataUrl)
     })
   })
 })
diff --git a/spec/api-net-log-spec.js b/spec/api-net-log-spec.js
index fa282244df6..e577cad1d55 100644
--- a/spec/api-net-log-spec.js
+++ b/spec/api-net-log-spec.js
@@ -5,13 +5,13 @@ const fs = require('fs')
 const os = require('os')
 const path = require('path')
 const ChildProcess = require('child_process')
-const {remote} = require('electron')
-const {netLog} = remote
+const { remote } = require('electron')
+const { netLog } = remote
 const appPath = path.join(__dirname, 'fixtures', 'api', 'net-log')
 const dumpFile = path.join(os.tmpdir(), 'net_log.json')
 const dumpFileDynamic = path.join(os.tmpdir(), 'net_log_dynamic.json')
 
-const {expect} = chai
+const { expect } = chai
 chai.use(dirtyChai)
 const isCI = remote.getGlobal('isCi')
 
diff --git a/spec/api-net-spec.js b/spec/api-net-spec.js
index bb3685c7ef3..6aca9992f72 100644
--- a/spec/api-net-spec.js
+++ b/spec/api-net-spec.js
@@ -1,10 +1,10 @@
 const assert = require('assert')
-const {remote} = require('electron')
-const {ipcRenderer} = require('electron')
+const { remote } = require('electron')
+const { ipcRenderer } = require('electron')
 const http = require('http')
 const url = require('url')
-const {net} = remote
-const {session} = remote
+const { net } = remote
+const { session } = remote
 
 /* The whole net API doesn't use standard callbacks */
 /* eslint-disable standard/no-callback-literal */
@@ -62,7 +62,7 @@ describe('net module', () => {
       server.on('request', (request, response) => {
         switch (request.url) {
           case requestUrl:
-            assert.equal(request.method, 'GET')
+            assert.strictEqual(request.method, 'GET')
             response.end()
             break
           default:
@@ -71,7 +71,7 @@ describe('net module', () => {
       })
       const urlRequest = net.request(`${server.url}${requestUrl}`)
       urlRequest.on('response', (response) => {
-        assert.equal(response.statusCode, 200)
+        assert.strictEqual(response.statusCode, 200)
         response.pause()
         response.on('data', (chunk) => {
         })
@@ -88,7 +88,7 @@ describe('net module', () => {
       server.on('request', (request, response) => {
         switch (request.url) {
           case requestUrl:
-            assert.equal(request.method, 'POST')
+            assert.strictEqual(request.method, 'POST')
             response.end()
             break
           default:
@@ -100,7 +100,7 @@ describe('net module', () => {
         url: `${server.url}${requestUrl}`
       })
       urlRequest.on('response', (response) => {
-        assert.equal(response.statusCode, 200)
+        assert.strictEqual(response.statusCode, 200)
         response.pause()
         response.on('data', (chunk) => {
         })
@@ -118,7 +118,7 @@ describe('net module', () => {
       server.on('request', (request, response) => {
         switch (request.url) {
           case requestUrl:
-            assert.equal(request.method, 'GET')
+            assert.strictEqual(request.method, 'GET')
             response.write(bodyData)
             response.end()
             break
@@ -129,13 +129,13 @@ describe('net module', () => {
       const urlRequest = net.request(`${server.url}${requestUrl}`)
       urlRequest.on('response', (response) => {
         let expectedBodyData = ''
-        assert.equal(response.statusCode, 200)
+        assert.strictEqual(response.statusCode, 200)
         response.pause()
         response.on('data', (chunk) => {
           expectedBodyData += chunk.toString()
         })
         response.on('end', () => {
-          assert.equal(expectedBodyData, bodyData)
+          assert.strictEqual(expectedBodyData, bodyData)
           done()
         })
         response.resume()
@@ -150,12 +150,12 @@ describe('net module', () => {
         let postedBodyData = ''
         switch (request.url) {
           case requestUrl:
-            assert.equal(request.method, 'POST')
+            assert.strictEqual(request.method, 'POST')
             request.on('data', (chunk) => {
               postedBodyData += chunk.toString()
             })
             request.on('end', () => {
-              assert.equal(postedBodyData, bodyData)
+              assert.strictEqual(postedBodyData, bodyData)
               response.end()
             })
             break
@@ -168,7 +168,7 @@ describe('net module', () => {
         url: `${server.url}${requestUrl}`
       })
       urlRequest.on('response', (response) => {
-        assert.equal(response.statusCode, 200)
+        assert.strictEqual(response.statusCode, 200)
         response.pause()
         response.on('data', (chunk) => {})
         response.on('end', () => {
@@ -188,8 +188,8 @@ describe('net module', () => {
             response.statusCode = 200
             response.statusMessage = 'OK'
             response.chunkedEncoding = true
-            assert.equal(request.method, 'POST')
-            assert.equal(request.headers['transfer-encoding'], 'chunked')
+            assert.strictEqual(request.method, 'POST')
+            assert.strictEqual(request.headers['transfer-encoding'], 'chunked')
             assert(!request.headers['content-length'])
             request.on('data', (chunk) => {
               response.write(chunk)
@@ -212,7 +212,7 @@ describe('net module', () => {
       let sentChunks = []
       let receivedChunks = []
       urlRequest.on('response', (response) => {
-        assert.equal(response.statusCode, 200)
+        assert.strictEqual(response.statusCode, 200)
         response.pause()
         response.on('data', (chunk) => {
           receivedChunks.push(chunk)
@@ -220,8 +220,8 @@ describe('net module', () => {
         response.on('end', () => {
           let sentData = Buffer.concat(sentChunks)
           let receivedData = Buffer.concat(receivedChunks)
-          assert.equal(sentData.toString(), receivedData.toString())
-          assert.equal(chunkIndex, chunkCount)
+          assert.strictEqual(sentData.toString(), receivedData.toString())
+          assert.strictEqual(chunkIndex, chunkCount)
           done()
         })
         response.resume()
@@ -284,7 +284,7 @@ describe('net module', () => {
       urlRequest.on('response', (response) => {
         requestResponseEventEmitted = true
         const statusCode = response.statusCode
-        assert.equal(statusCode, 200)
+        assert.strictEqual(statusCode, 200)
         let buffers = []
         response.pause()
         response.on('data', (chunk) => {
@@ -328,7 +328,7 @@ describe('net module', () => {
       server.on('request', (request, response) => {
         switch (request.url) {
           case requestUrl:
-            assert.equal(request.headers[customHeaderName.toLowerCase()],
+            assert.strictEqual(request.headers[customHeaderName.toLowerCase()],
               customHeaderValue)
             response.statusCode = 200
             response.statusMessage = 'OK'
@@ -344,7 +344,7 @@ describe('net module', () => {
       })
       urlRequest.on('response', (response) => {
         const statusCode = response.statusCode
-        assert.equal(statusCode, 200)
+        assert.strictEqual(statusCode, 200)
         response.pause()
         response.on('data', (chunk) => {
         })
@@ -354,14 +354,14 @@ describe('net module', () => {
         response.resume()
       })
       urlRequest.setHeader(customHeaderName, customHeaderValue)
-      assert.equal(urlRequest.getHeader(customHeaderName),
+      assert.strictEqual(urlRequest.getHeader(customHeaderName),
         customHeaderValue)
-      assert.equal(urlRequest.getHeader(customHeaderName.toLowerCase()),
+      assert.strictEqual(urlRequest.getHeader(customHeaderName.toLowerCase()),
         customHeaderValue)
       urlRequest.write('')
-      assert.equal(urlRequest.getHeader(customHeaderName),
+      assert.strictEqual(urlRequest.getHeader(customHeaderName),
         customHeaderValue)
-      assert.equal(urlRequest.getHeader(customHeaderName.toLowerCase()),
+      assert.strictEqual(urlRequest.getHeader(customHeaderName.toLowerCase()),
         customHeaderValue)
       urlRequest.end()
     })
@@ -373,14 +373,14 @@ describe('net module', () => {
       server.on('request', (request, response) => {
         switch (request.url) {
           case requestUrl:
-            assert.equal(request.headers[customHeaderName.toLowerCase()],
+            assert.strictEqual(request.headers[customHeaderName.toLowerCase()],
               customHeaderValue.toString())
             response.statusCode = 200
             response.statusMessage = 'OK'
             response.end()
             break
           default:
-            assert.equal(request.url, requestUrl)
+            assert.strictEqual(request.url, requestUrl)
         }
       })
       const urlRequest = net.request({
@@ -389,7 +389,7 @@ describe('net module', () => {
       })
       urlRequest.on('response', (response) => {
         const statusCode = response.statusCode
-        assert.equal(statusCode, 200)
+        assert.strictEqual(statusCode, 200)
         response.pause()
         response.on('end', () => {
           done()
@@ -397,14 +397,14 @@ describe('net module', () => {
         response.resume()
       })
       urlRequest.setHeader(customHeaderName, customHeaderValue)
-      assert.equal(urlRequest.getHeader(customHeaderName),
+      assert.strictEqual(urlRequest.getHeader(customHeaderName),
         customHeaderValue)
-      assert.equal(urlRequest.getHeader(customHeaderName.toLowerCase()),
+      assert.strictEqual(urlRequest.getHeader(customHeaderName.toLowerCase()),
         customHeaderValue)
       urlRequest.write('')
-      assert.equal(urlRequest.getHeader(customHeaderName),
+      assert.strictEqual(urlRequest.getHeader(customHeaderName),
         customHeaderValue)
-      assert.equal(urlRequest.getHeader(customHeaderName.toLowerCase()),
+      assert.strictEqual(urlRequest.getHeader(customHeaderName.toLowerCase()),
         customHeaderValue)
       urlRequest.end()
     })
@@ -431,7 +431,7 @@ describe('net module', () => {
       })
       urlRequest.on('response', (response) => {
         const statusCode = response.statusCode
-        assert.equal(statusCode, 200)
+        assert.strictEqual(statusCode, 200)
         response.pause()
         response.on('data', (chunk) => {
         })
@@ -470,7 +470,7 @@ describe('net module', () => {
       })
       urlRequest.on('response', (response) => {
         const statusCode = response.statusCode
-        assert.equal(statusCode, 200)
+        assert.strictEqual(statusCode, 200)
         response.pause()
         response.on('data', (chunk) => {
         })
@@ -480,7 +480,7 @@ describe('net module', () => {
         response.resume()
       })
       urlRequest.setHeader(customHeaderName, customHeaderValue)
-      assert.equal(urlRequest.getHeader(customHeaderName),
+      assert.strictEqual(urlRequest.getHeader(customHeaderName),
         customHeaderValue)
       urlRequest.removeHeader(customHeaderName)
       assert(!urlRequest.getHeader(customHeaderName))
@@ -495,7 +495,7 @@ describe('net module', () => {
       server.on('request', (request, response) => {
         switch (request.url) {
           case requestUrl:
-            assert.equal(request.headers[customHeaderName.toLowerCase()],
+            assert.strictEqual(request.headers[customHeaderName.toLowerCase()],
               customHeaderValue)
             response.statusCode = 200
             response.statusMessage = 'OK'
@@ -511,7 +511,7 @@ describe('net module', () => {
       })
       urlRequest.on('response', (response) => {
         const statusCode = response.statusCode
-        assert.equal(statusCode, 200)
+        assert.strictEqual(statusCode, 200)
         response.pause()
         response.on('data', (chunk) => {
         })
@@ -521,13 +521,13 @@ describe('net module', () => {
         response.resume()
       })
       urlRequest.setHeader(customHeaderName, customHeaderValue)
-      assert.equal(urlRequest.getHeader(customHeaderName),
+      assert.strictEqual(urlRequest.getHeader(customHeaderName),
         customHeaderValue)
       urlRequest.write('')
       assert.throws(() => {
         urlRequest.removeHeader(customHeaderName)
       })
-      assert.equal(urlRequest.getHeader(customHeaderName),
+      assert.strictEqual(urlRequest.getHeader(customHeaderName),
         customHeaderValue)
       urlRequest.end()
     })
@@ -540,7 +540,7 @@ describe('net module', () => {
       server.on('request', (request, response) => {
         switch (request.url) {
           case requestUrl:
-            assert.equal(request.headers[cookieHeaderName.toLowerCase()],
+            assert.strictEqual(request.headers[cookieHeaderName.toLowerCase()],
               cookieHeaderValue)
             response.statusCode = 200
             response.statusMessage = 'OK'
@@ -563,7 +563,7 @@ describe('net module', () => {
         })
         urlRequest.on('response', (response) => {
           const statusCode = response.statusCode
-          assert.equal(statusCode, 200)
+          assert.strictEqual(statusCode, 200)
           response.pause()
           response.on('data', (chunk) => {})
           response.on('end', () => {
@@ -572,7 +572,7 @@ describe('net module', () => {
           response.resume()
         })
         urlRequest.setHeader(cookieHeaderName, cookieHeaderValue)
-        assert.equal(urlRequest.getHeader(cookieHeaderName),
+        assert.strictEqual(urlRequest.getHeader(cookieHeaderName),
           cookieHeaderValue)
         urlRequest.end()
       })
@@ -746,7 +746,7 @@ describe('net module', () => {
       urlRequest.on('response', (response) => {
         requestResponseEventEmitted = true
         const statusCode = response.statusCode
-        assert.equal(statusCode, 200)
+        assert.strictEqual(statusCode, 200)
         response.pause()
         response.on('data', (chunk) => {
         })
@@ -825,7 +825,7 @@ describe('net module', () => {
         setTimeout(() => {
           assert(requestFinishEventEmitted)
           assert(requestReceivedByServer)
-          assert.equal(requestAbortEventCount, 1)
+          assert.strictEqual(requestAbortEventCount, 1)
           assert(requestCloseEventEmitted)
           done()
         }, 500)
@@ -873,7 +873,7 @@ describe('net module', () => {
       const urlRequest = net.request(`${server.url}${requestUrl}`)
 
       urlRequest.on('response', (response) => {
-        assert.equal(response.statusCode, 200)
+        assert.strictEqual(response.statusCode, 200)
         response.pause()
         response.on('data', (chunk) => {
         })
@@ -907,7 +907,7 @@ describe('net module', () => {
         assert.fail('Request should not be intercepted by the default session')
       })
 
-      let customSession = session.fromPartition(customPartitionName, {cache: false})
+      let customSession = session.fromPartition(customPartitionName, { cache: false })
       let requestIsIntercepted = false
       customSession.webRequest.onBeforeRequest((details, callback) => {
         if (details.url === `${server.url}${requestUrl}`) {
@@ -929,7 +929,7 @@ describe('net module', () => {
         session: customSession
       })
       urlRequest.on('response', (response) => {
-        assert.equal(response.statusCode, 200)
+        assert.strictEqual(response.statusCode, 200)
         response.pause()
         response.on('data', (chunk) => {
         })
@@ -956,21 +956,21 @@ describe('net module', () => {
 
     it('should throw when calling getHeader without a name', () => {
       assert.throws(() => {
-        net.request({url: `${server.url}/requestUrl`}).getHeader()
+        net.request({ url: `${server.url}/requestUrl` }).getHeader()
       }, /`name` is required for getHeader\(name\)\./)
 
       assert.throws(() => {
-        net.request({url: `${server.url}/requestUrl`}).getHeader(null)
+        net.request({ url: `${server.url}/requestUrl` }).getHeader(null)
       }, /`name` is required for getHeader\(name\)\./)
     })
 
     it('should throw when calling removeHeader without a name', () => {
       assert.throws(() => {
-        net.request({url: `${server.url}/requestUrl`}).removeHeader()
+        net.request({ url: `${server.url}/requestUrl` }).removeHeader()
       }, /`name` is required for removeHeader\(name\)\./)
 
       assert.throws(() => {
-        net.request({url: `${server.url}/requestUrl`}).removeHeader(null)
+        net.request({ url: `${server.url}/requestUrl` }).removeHeader(null)
       }, /`name` is required for removeHeader\(name\)\./)
     })
 
@@ -995,7 +995,7 @@ describe('net module', () => {
         url: `${server.url}${requestUrl}`
       })
       urlRequest.on('response', (response) => {
-        assert.equal(response.statusCode, 200)
+        assert.strictEqual(response.statusCode, 200)
         done()
       })
       urlRequest.end()
@@ -1027,7 +1027,7 @@ describe('net module', () => {
         url: `${server.url}${requestUrl}`
       })
       urlRequest.on('response', (response) => {
-        assert.equal(response.statusCode, 200)
+        assert.strictEqual(response.statusCode, 200)
         done()
       })
       urlRequest.end()
@@ -1055,7 +1055,7 @@ describe('net module', () => {
         redirect: 'error'
       })
       urlRequest.on('error', (error) => {
-        assert.equal(error.message, 'Request cannot follow redirect with the current redirect mode')
+        assert.strictEqual(error.message, 'Request cannot follow redirect with the current redirect mode')
       })
       urlRequest.on('close', () => {
         done()
@@ -1091,8 +1091,8 @@ describe('net module', () => {
         redirect: 'manual'
       })
       urlRequest.on('response', (response) => {
-        assert.equal(response.statusCode, 200)
-        assert.equal(redirectCount, 2)
+        assert.strictEqual(response.statusCode, 200)
+        assert.strictEqual(redirectCount, 2)
         done()
       })
       urlRequest.on('redirect', (status, method, url) => {
@@ -1132,7 +1132,7 @@ describe('net module', () => {
         redirect: 'manual'
       })
       urlRequest.on('response', (response) => {
-        assert.equal(response.statusCode, 200)
+        assert.strictEqual(response.statusCode, 200)
         response.pause()
         response.on('data', (chunk) => {
         })
@@ -1142,7 +1142,7 @@ describe('net module', () => {
         response.resume()
       })
       urlRequest.on('close', () => {
-        assert.equal(redirectCount, 1)
+        assert.strictEqual(redirectCount, 1)
         done()
       })
       urlRequest.on('redirect', (status, method, url) => {
@@ -1211,7 +1211,7 @@ describe('net module', () => {
         partition: customPartitionName
       })
       urlRequest.on('response', (response) => {
-        assert.equal(response.statusCode, 200)
+        assert.strictEqual(response.statusCode, 200)
         response.pause()
         response.on('data', (chunk) => {
         })
@@ -1247,8 +1247,8 @@ describe('net module', () => {
       server.on('request', (request, response) => {
         switch (request.url) {
           case requestUrl:
-            assert.equal(request.method, 'GET')
-            assert.equal(request.headers[customHeaderName.toLowerCase()],
+            assert.strictEqual(request.method, 'GET')
+            assert.strictEqual(request.headers[customHeaderName.toLowerCase()],
               customHeaderValue)
             response.statusCode = 200
             response.statusMessage = 'OK'
@@ -1268,7 +1268,7 @@ describe('net module', () => {
       options.headers[customHeaderName] = customHeaderValue
       const urlRequest = net.request(options)
       urlRequest.on('response', (response) => {
-        assert.equal(response.statusCode, 200)
+        assert.strictEqual(response.statusCode, 200)
         response.pause()
         response.on('data', (chunk) => {
         })
@@ -1303,7 +1303,7 @@ describe('net module', () => {
               if (chunk) {
                 receivedBodyData += chunk.toString()
               }
-              assert.equal(receivedBodyData, bodyData)
+              assert.strictEqual(receivedBodyData, bodyData)
               response.end()
             })
             break
@@ -1316,7 +1316,7 @@ describe('net module', () => {
       nodeRequest.on('response', (nodeResponse) => {
         const netRequest = net.request(`${server.url}${netRequestUrl}`)
         netRequest.on('response', (netResponse) => {
-          assert.equal(netResponse.statusCode, 200)
+          assert.strictEqual(netResponse.statusCode, 200)
           netResponse.pause()
           netResponse.on('data', (chunk) => {})
           netResponse.on('end', () => {
@@ -1380,13 +1380,13 @@ describe('net module', () => {
       urlRequest.on('response', (response) => {
         const statusCode = response.statusCode
         assert(typeof statusCode === 'number')
-        assert.equal(statusCode, 200)
+        assert.strictEqual(statusCode, 200)
         const statusMessage = response.statusMessage
         assert(typeof statusMessage === 'string')
-        assert.equal(statusMessage, 'OK')
+        assert.strictEqual(statusMessage, 'OK')
         const headers = response.headers
         assert(typeof headers === 'object')
-        assert.deepEqual(headers[customHeaderName.toLowerCase()],
+        assert.deepStrictEqual(headers[customHeaderName.toLowerCase()],
           [customHeaderValue])
         const httpVersion = response.httpVersion
         assert(typeof httpVersion === 'string')
@@ -1429,7 +1429,7 @@ describe('net module', () => {
               if (chunk) {
                 receivedBodyData += chunk.toString()
               }
-              assert.equal(receivedBodyData, bodyData)
+              assert.strictEqual(receivedBodyData, bodyData)
               response.end()
             })
             break
@@ -1491,7 +1491,7 @@ describe('net module', () => {
       urlRequest.on('response', (response) => {
         assert(!requestCloseEventEmitted)
         const statusCode = response.statusCode
-        assert.equal(statusCode, 200)
+        assert.strictEqual(statusCode, 200)
         response.pause()
         response.on('data', () => {
         })
diff --git a/spec/api-notification-dbus-spec.js b/spec/api-notification-dbus-spec.js
index 9ab56d88e50..beb3748b64f 100644
--- a/spec/api-notification-dbus-spec.js
+++ b/spec/api-notification-dbus-spec.js
@@ -6,12 +6,12 @@
 //
 // See https://pypi.python.org/pypi/python-dbusmock to read about dbusmock.
 
-const {expect} = require('chai')
+const { expect } = require('chai')
 const dbus = require('dbus-native')
 const Promise = require('bluebird')
 
-const {remote} = require('electron')
-const {app} = remote.require('electron')
+const { remote } = require('electron')
+const { app } = remote.require('electron')
 
 const skip = process.platform !== 'linux' ||
              process.arch === 'ia32' ||
@@ -34,10 +34,10 @@ const skip = process.platform !== 'linux' ||
     const bus = dbus.sessionBus()
     console.log(`session bus: ${process.env.DBUS_SESSION_BUS_ADDRESS}`)
     const service = bus.getService(serviceName)
-    const getInterface = Promise.promisify(service.getInterface, {context: service})
+    const getInterface = Promise.promisify(service.getInterface, { context: service })
     mock = await getInterface(path, iface)
-    getCalls = Promise.promisify(mock.GetCalls, {context: mock})
-    reset = Promise.promisify(mock.Reset, {context: mock})
+    getCalls = Promise.promisify(mock.GetCalls, { context: mock })
+    reset = Promise.promisify(mock.Reset, { context: mock })
   })
 
   after(async () => {
diff --git a/spec/api-notification-spec.js b/spec/api-notification-spec.js
index 2572b40c928..747040825c8 100644
--- a/spec/api-notification-spec.js
+++ b/spec/api-notification-spec.js
@@ -1,10 +1,10 @@
 const chai = require('chai')
 const dirtyChai = require('dirty-chai')
 
-const {expect} = chai
+const { expect } = chai
 chai.use(dirtyChai)
 
-const {Notification} = require('electron').remote
+const { Notification } = require('electron').remote
 
 describe('Notification module', () => {
   it('inits, gets and sets basic string properties correctly', () => {
diff --git a/spec/api-power-monitor-spec.js b/spec/api-power-monitor-spec.js
index 00dfd45edb4..3558d9bcb43 100644
--- a/spec/api-power-monitor-spec.js
+++ b/spec/api-power-monitor-spec.js
@@ -11,7 +11,7 @@ const dirtyChai = require('dirty-chai')
 const dbus = require('dbus-native')
 const Promise = require('bluebird')
 
-const {expect} = chai
+const { expect } = chai
 chai.use(dirtyChai)
 
 const skip = process.platform !== 'linux' || !process.env.DBUS_SYSTEM_BUS_ADDRESS
@@ -24,11 +24,11 @@ xdescribe('powerMonitor', () => {
     before(async () => {
       const systemBus = dbus.systemBus()
       const loginService = systemBus.getService('org.freedesktop.login1')
-      const getInterface = Promise.promisify(loginService.getInterface, {context: loginService})
+      const getInterface = Promise.promisify(loginService.getInterface, { context: loginService })
       logindMock = await getInterface('/org/freedesktop/login1', 'org.freedesktop.DBus.Mock')
-      getCalls = Promise.promisify(logindMock.GetCalls, {context: logindMock})
-      emitSignal = Promise.promisify(logindMock.EmitSignal, {context: logindMock})
-      reset = Promise.promisify(logindMock.Reset, {context: logindMock})
+      getCalls = Promise.promisify(logindMock.GetCalls, { context: logindMock })
+      emitSignal = Promise.promisify(logindMock.EmitSignal, { context: logindMock })
+      reset = Promise.promisify(logindMock.Reset, { context: logindMock })
     })
 
     after(reset)
@@ -54,10 +54,10 @@ xdescribe('powerMonitor', () => {
       expect(calls).to.be.an('array').that.has.lengthOf(1)
       expect(calls[0].slice(1)).to.deep.equal([
         'Inhibit', [
-          [[{type: 's', child: []}], ['sleep']],
-          [[{type: 's', child: []}], ['electron']],
-          [[{type: 's', child: []}], ['Application cleanup before suspend']],
-          [[{type: 's', child: []}], ['delay']]
+          [[{ type: 's', child: [] }], ['sleep']],
+          [[{ type: 's', child: [] }], ['electron']],
+          [[{ type: 's', child: [] }], ['Application cleanup before suspend']],
+          [[{ type: 's', child: [] }], ['delay']]
         ]
       ])
     })
@@ -81,10 +81,10 @@ xdescribe('powerMonitor', () => {
           expect(calls).to.be.an('array').that.has.lengthOf(2)
           expect(calls[1].slice(1)).to.deep.equal([
             'Inhibit', [
-              [[{type: 's', child: []}], ['sleep']],
-              [[{type: 's', child: []}], ['electron']],
-              [[{type: 's', child: []}], ['Application cleanup before suspend']],
-              [[{type: 's', child: []}], ['delay']]
+              [[{ type: 's', child: [] }], ['sleep']],
+              [[{ type: 's', child: [] }], ['electron']],
+              [[{ type: 's', child: [] }], ['Application cleanup before suspend']],
+              [[{ type: 's', child: [] }], ['delay']]
             ]
           ])
         })
@@ -103,10 +103,10 @@ xdescribe('powerMonitor', () => {
         expect(calls).to.be.an('array').that.has.lengthOf(3)
         expect(calls[2].slice(1)).to.deep.equal([
           'Inhibit', [
-            [[{type: 's', child: []}], ['shutdown']],
-            [[{type: 's', child: []}], ['electron']],
-            [[{type: 's', child: []}], ['Ensure a clean shutdown']],
-            [[{type: 's', child: []}], ['delay']]
+            [[{ type: 's', child: [] }], ['shutdown']],
+            [[{ type: 's', child: [] }], ['electron']],
+            [[{ type: 's', child: [] }], ['Ensure a clean shutdown']],
+            [[{ type: 's', child: [] }], ['delay']]
           ]
         ])
       })
diff --git a/spec/api-power-save-blocker-spec.js b/spec/api-power-save-blocker-spec.js
index 62ca1dc9c56..c5d68b823b5 100644
--- a/spec/api-power-save-blocker-spec.js
+++ b/spec/api-power-save-blocker-spec.js
@@ -1,8 +1,8 @@
-const {powerSaveBlocker} = require('electron').remote
+const { powerSaveBlocker } = require('electron').remote
 const chai = require('chai')
 const dirtyChai = require('dirty-chai')
 
-const {expect} = chai
+const { expect } = chai
 chai.use(dirtyChai)
 
 describe('powerSaveBlocker module', () => {
diff --git a/spec/api-process-spec.js b/spec/api-process-spec.js
index 2b07c407a21..65f915ba5c5 100644
--- a/spec/api-process-spec.js
+++ b/spec/api-process-spec.js
@@ -1,4 +1,4 @@
-const {expect} = require('chai')
+const { expect } = require('chai')
 
 describe('process module', () => {
   describe('process.getCreationTime()', () => {
diff --git a/spec/api-protocol-spec.js b/spec/api-protocol-spec.js
index cd2e4519898..99c1d14ac75 100644
--- a/spec/api-protocol-spec.js
+++ b/spec/api-protocol-spec.js
@@ -2,9 +2,9 @@ const assert = require('assert')
 const http = require('http')
 const path = require('path')
 const qs = require('querystring')
-const {closeWindow} = require('./window-helpers')
-const {remote} = require('electron')
-const {BrowserWindow, ipcMain, protocol, session, webContents} = remote
+const { closeWindow } = require('./window-helpers')
+const { remote } = require('electron')
+const { BrowserWindow, ipcMain, protocol, session, webContents } = remote
 // The RPC API doesn't seem to support calling methods on remote objects very
 // well. In order to test stream protocol, we must work around this limitation
 // and use Stream instances created in the browser process.
@@ -59,9 +59,9 @@ describe('protocol module', () => {
 
     it('throws error when scheme is already registered', (done) => {
       protocol.registerStringProtocol(protocolName, emptyHandler, (error) => {
-        assert.equal(error, null)
+        assert.strictEqual(error, null)
         protocol.registerBufferProtocol(protocolName, emptyHandler, (error) => {
-          assert.notEqual(error, null)
+          assert.notStrictEqual(error, null)
           done()
         })
       })
@@ -83,7 +83,7 @@ describe('protocol module', () => {
           url: protocolName + '://fake-host',
           cache: false,
           success: (data) => {
-            assert.equal(data, text)
+            assert.strictEqual(data, text)
             done()
           },
           error: (xhr, errorType, error) => done(error)
@@ -99,7 +99,7 @@ describe('protocol module', () => {
           cache: false,
           success: () => done('request succeeded but it should not'),
           error: (xhr, errorType) => {
-            assert.equal(errorType, 'error')
+            assert.strictEqual(errorType, 'error')
             return done()
           }
         })
@@ -116,7 +116,7 @@ describe('protocol module', () => {
           url: protocolName + '://fake-host',
           cache: false,
           success: (data) => {
-            assert.equal(data, text)
+            assert.strictEqual(data, text)
             done()
           },
           error: (xhr, errorType, error) => done(error)
@@ -128,7 +128,7 @@ describe('protocol module', () => {
   describe('protocol.unregisterProtocol', () => {
     it('returns error when scheme does not exist', (done) => {
       protocol.unregisterProtocol('not-exist', (error) => {
-        assert.notEqual(error, null)
+        assert.notStrictEqual(error, null)
         done()
       })
     })
@@ -143,7 +143,7 @@ describe('protocol module', () => {
           url: protocolName + '://fake-host',
           cache: false,
           success: (data) => {
-            assert.equal(data, text)
+            assert.strictEqual(data, text)
             done()
           },
           error: (xhr, errorType, error) => done(error)
@@ -159,8 +159,8 @@ describe('protocol module', () => {
           url: protocolName + '://fake-host',
           cache: false,
           success: (data, status, request) => {
-            assert.equal(data, text)
-            assert.equal(request.getResponseHeader('Access-Control-Allow-Origin'), '*')
+            assert.strictEqual(data, text)
+            assert.strictEqual(request.getResponseHeader('Access-Control-Allow-Origin'), '*')
             done()
           },
           error: (xhr, errorType, error) => done(error)
@@ -181,7 +181,7 @@ describe('protocol module', () => {
           url: protocolName + '://fake-host',
           cache: false,
           success: (data) => {
-            assert.equal(data, text)
+            assert.strictEqual(data, text)
             done()
           },
           error: (xhr, errorType, error) => done(error)
@@ -198,7 +198,7 @@ describe('protocol module', () => {
           cache: false,
           success: () => done('request succeeded but it should not'),
           error: (xhr, errorType) => {
-            assert.equal(errorType, 'error')
+            assert.strictEqual(errorType, 'error')
             done()
           }
         })
@@ -216,7 +216,7 @@ describe('protocol module', () => {
           url: protocolName + '://fake-host',
           cache: false,
           success: (data) => {
-            assert.equal(data, text)
+            assert.strictEqual(data, text)
             done()
           },
           error: (xhr, errorType, error) => done(error)
@@ -232,8 +232,8 @@ describe('protocol module', () => {
           url: protocolName + '://fake-host',
           cache: false,
           success: (data, status, request) => {
-            assert.equal(data, text)
-            assert.equal(request.getResponseHeader('Access-Control-Allow-Origin'), '*')
+            assert.strictEqual(data, text)
+            assert.strictEqual(request.getResponseHeader('Access-Control-Allow-Origin'), '*')
             done()
           },
           error: (xhr, errorType, error) => done(error)
@@ -254,7 +254,7 @@ describe('protocol module', () => {
           url: protocolName + '://fake-host',
           cache: false,
           success: (data) => {
-            assert.equal(data, text)
+            assert.strictEqual(data, text)
             done()
           },
           error: (xhr, errorType, error) => done(error)
@@ -271,7 +271,7 @@ describe('protocol module', () => {
           cache: false,
           success: () => done('request succeeded but it should not'),
           error: (xhr, errorType) => {
-            assert.equal(errorType, 'error')
+            assert.strictEqual(errorType, 'error')
             done()
           }
         })
@@ -293,7 +293,7 @@ describe('protocol module', () => {
           url: protocolName + '://fake-host',
           cache: false,
           success: (data) => {
-            assert.equal(data, String(fileContent))
+            assert.strictEqual(data, String(fileContent))
             return done()
           },
           error: (xhr, errorType, error) => done(error)
@@ -309,8 +309,8 @@ describe('protocol module', () => {
           url: protocolName + '://fake-host',
           cache: false,
           success: (data, status, request) => {
-            assert.equal(data, String(fileContent))
-            assert.equal(request.getResponseHeader('Access-Control-Allow-Origin'), '*')
+            assert.strictEqual(data, String(fileContent))
+            assert.strictEqual(request.getResponseHeader('Access-Control-Allow-Origin'), '*')
             done()
           },
           error: (xhr, errorType, error) => {
@@ -328,7 +328,7 @@ describe('protocol module', () => {
           url: protocolName + '://fake-host',
           cache: false,
           success: (data) => {
-            assert.equal(data, String(fileContent))
+            assert.strictEqual(data, String(fileContent))
             done()
           },
           error: (xhr, errorType, error) => done(error)
@@ -344,7 +344,7 @@ describe('protocol module', () => {
           url: protocolName + '://fake-host',
           cache: false,
           success: (data) => {
-            assert.equal(data, String(normalContent))
+            assert.strictEqual(data, String(normalContent))
             done()
           },
           error: (xhr, errorType, error) => done(error)
@@ -362,7 +362,7 @@ describe('protocol module', () => {
           cache: false,
           success: () => done('request succeeded but it should not'),
           error: (xhr, errorType) => {
-            assert.equal(errorType, 'error')
+            assert.strictEqual(errorType, 'error')
             done()
           }
         })
@@ -378,7 +378,7 @@ describe('protocol module', () => {
           cache: false,
           success: () => done('request succeeded but it should not'),
           error: (xhr, errorType) => {
-            assert.equal(errorType, 'error')
+            assert.strictEqual(errorType, 'error')
             done()
           }
         })
@@ -389,21 +389,21 @@ describe('protocol module', () => {
   describe('protocol.registerHttpProtocol', () => {
     it('sends url as response', (done) => {
       const server = http.createServer((req, res) => {
-        assert.notEqual(req.headers.accept, '')
+        assert.notStrictEqual(req.headers.accept, '')
         res.end(text)
         server.close()
       })
       server.listen(0, '127.0.0.1', () => {
         const port = server.address().port
         const url = 'http://127.0.0.1:' + port
-        const handler = (request, callback) => callback({url})
+        const handler = (request, callback) => callback({ url })
         protocol.registerHttpProtocol(protocolName, handler, (error) => {
           if (error) return done(error)
           $.ajax({
             url: protocolName + '://fake-host',
             cache: false,
             success: (data) => {
-              assert.equal(data, text)
+              assert.strictEqual(data, text)
               done()
             },
             error: (xhr, errorType, error) => done(error)
@@ -413,7 +413,7 @@ describe('protocol module', () => {
     })
 
     it('fails when sending invalid url', (done) => {
-      const handler = (request, callback) => callback({url: 'url'})
+      const handler = (request, callback) => callback({ url: 'url' })
       protocol.registerHttpProtocol(protocolName, handler, (error) => {
         if (error) return done(error)
         $.ajax({
@@ -421,7 +421,7 @@ describe('protocol module', () => {
           cache: false,
           success: () => done('request succeeded but it should not'),
           error: (xhr, errorType) => {
-            assert.equal(errorType, 'error')
+            assert.strictEqual(errorType, 'error')
             done()
           }
         })
@@ -439,7 +439,7 @@ describe('protocol module', () => {
             done('request succeeded but it should not')
           },
           error: (xhr, errorType) => {
-            assert.equal(errorType, 'error')
+            assert.strictEqual(errorType, 'error')
             done()
           }
         })
@@ -461,12 +461,12 @@ describe('protocol module', () => {
         const port = server.address().port
         const url = `${protocolName}://fake-host`
         const redirectURL = `http://127.0.0.1:${port}/serverRedirect`
-        const handler = (request, callback) => callback({url: redirectURL})
+        const handler = (request, callback) => callback({ url: redirectURL })
         protocol.registerHttpProtocol(protocolName, handler, (error) => {
           if (error) return done(error)
           contents = webContents.create({})
           contents.on('did-finish-load', () => {
-            assert.equal(contents.getURL(), url)
+            assert.strictEqual(contents.getURL(), url)
             server.close()
             contents.destroy()
             done()
@@ -486,7 +486,7 @@ describe('protocol module', () => {
           url: protocolName + '://fake-host',
           cache: false,
           success: (data) => {
-            assert.equal(data, text)
+            assert.strictEqual(data, text)
             done()
           },
           error: (xhr, errorType, error) => {
@@ -497,15 +497,15 @@ describe('protocol module', () => {
     })
 
     it('sends object as response', (done) => {
-      const handler = (request, callback) => callback({data: getStream()})
+      const handler = (request, callback) => callback({ data: getStream() })
       protocol.registerStreamProtocol(protocolName, handler, (error) => {
         if (error) return done(error)
         $.ajax({
           url: protocolName + '://fake-host',
           cache: false,
           success: (data, _, request) => {
-            assert.equal(request.status, 200)
-            assert.equal(data, text)
+            assert.strictEqual(request.status, 200)
+            assert.strictEqual(data, text)
             done()
           },
           error: (xhr, errorType, error) => {
@@ -528,9 +528,9 @@ describe('protocol module', () => {
           url: protocolName + '://fake-host',
           cache: false,
           success: (data, _, request) => {
-            assert.equal(request.status, 200)
-            assert.equal(request.getResponseHeader('x-electron'), 'a,b')
-            assert.equal(data, text)
+            assert.strictEqual(request.status, 200)
+            assert.strictEqual(request.getResponseHeader('x-electron'), 'a,b')
+            assert.strictEqual(data, text)
             done()
           },
           error: (xhr, errorType, error) => {
@@ -551,8 +551,8 @@ describe('protocol module', () => {
           url: protocolName + '://fake-host',
           cache: false,
           success: (data, _, request) => {
-            assert.equal(request.status, 204)
-            assert.equal(data, undefined)
+            assert.strictEqual(request.status, 204)
+            assert.strictEqual(data, undefined)
             done()
           },
           error: (xhr, errorType, error) => {
@@ -580,7 +580,7 @@ describe('protocol module', () => {
           },
           cache: false,
           success: (data) => {
-            assert.equal(data['x-return-headers'], 'yes')
+            assert.strictEqual(data['x-return-headers'], 'yes')
             done()
           },
           error: (xhr, errorType, error) => {
@@ -594,35 +594,35 @@ describe('protocol module', () => {
   describe('protocol.isProtocolHandled', () => {
     it('returns true for about:', (done) => {
       protocol.isProtocolHandled('about', (result) => {
-        assert.equal(result, true)
+        assert.strictEqual(result, true)
         done()
       })
     })
 
     it('returns true for file:', (done) => {
       protocol.isProtocolHandled('file', (result) => {
-        assert.equal(result, true)
+        assert.strictEqual(result, true)
         done()
       })
     })
 
     it('returns true for http:', (done) => {
       protocol.isProtocolHandled('http', (result) => {
-        assert.equal(result, true)
+        assert.strictEqual(result, true)
         done()
       })
     })
 
     it('returns true for https:', (done) => {
       protocol.isProtocolHandled('https', (result) => {
-        assert.equal(result, true)
+        assert.strictEqual(result, true)
         done()
       })
     })
 
     it('returns false when scheme is not registered', (done) => {
       protocol.isProtocolHandled('no-exist', (result) => {
-        assert.equal(result, false)
+        assert.strictEqual(result, false)
         done()
       })
     })
@@ -630,9 +630,9 @@ describe('protocol module', () => {
     it('returns true for custom protocol', (done) => {
       const emptyHandler = (request, callback) => callback()
       protocol.registerStringProtocol(protocolName, emptyHandler, (error) => {
-        assert.equal(error, null)
+        assert.strictEqual(error, null)
         protocol.isProtocolHandled(protocolName, (result) => {
-          assert.equal(result, true)
+          assert.strictEqual(result, true)
           done()
         })
       })
@@ -641,9 +641,9 @@ describe('protocol module', () => {
     it('returns true for intercepted protocol', (done) => {
       const emptyHandler = (request, callback) => callback()
       protocol.interceptStringProtocol('http', emptyHandler, (error) => {
-        assert.equal(error, null)
+        assert.strictEqual(error, null)
         protocol.isProtocolHandled('http', (result) => {
-          assert.equal(result, true)
+          assert.strictEqual(result, true)
           done()
         })
       })
@@ -654,9 +654,9 @@ describe('protocol module', () => {
     const emptyHandler = (request, callback) => callback()
     it('throws error when scheme is already intercepted', (done) => {
       protocol.interceptStringProtocol('http', emptyHandler, (error) => {
-        assert.equal(error, null)
+        assert.strictEqual(error, null)
         protocol.interceptBufferProtocol('http', emptyHandler, (error) => {
-          assert.notEqual(error, null)
+          assert.notStrictEqual(error, null)
           done()
         })
       })
@@ -677,7 +677,7 @@ describe('protocol module', () => {
           url: 'http://fake-host',
           cache: false,
           success: (data) => {
-            assert.equal(data, text)
+            assert.strictEqual(data, text)
             done()
           },
           error: (xhr, errorType, error) => done(error)
@@ -693,7 +693,7 @@ describe('protocol module', () => {
           cache: false,
           success: () => done('request succeeded but it should not'),
           error: (xhr, errorType) => {
-            assert.equal(errorType, 'error')
+            assert.strictEqual(errorType, 'error')
             done()
           }
         })
@@ -710,7 +710,7 @@ describe('protocol module', () => {
           url: 'http://fake-host',
           cache: false,
           success: (data) => {
-            assert.equal(data, text)
+            assert.strictEqual(data, text)
             done()
           },
           error: (xhr, errorType, error) => done(error)
@@ -731,8 +731,8 @@ describe('protocol module', () => {
           url: 'http://fake-host',
           cache: false,
           success: (data) => {
-            assert.equal(typeof data, 'object')
-            assert.equal(data.value, 1)
+            assert.strictEqual(typeof data, 'object')
+            assert.strictEqual(data.value, 1)
             done()
           },
           error: (xhr, errorType, error) => done(error)
@@ -743,7 +743,7 @@ describe('protocol module', () => {
     it('can receive post data', (done) => {
       const handler = (request, callback) => {
         const uploadData = request.uploadData[0].bytes.toString()
-        callback({data: uploadData})
+        callback({ data: uploadData })
       }
       protocol.interceptStringProtocol('http', handler, (error) => {
         if (error) return done(error)
@@ -753,7 +753,7 @@ describe('protocol module', () => {
           type: 'POST',
           data: postData,
           success: (data) => {
-            assert.deepEqual(qs.parse(data), postData)
+            assert.deepStrictEqual({ ...qs.parse(data) }, postData)
             done()
           },
           error: (xhr, errorType, error) => done(error)
@@ -771,7 +771,7 @@ describe('protocol module', () => {
           url: 'http://fake-host',
           cache: false,
           success: (data) => {
-            assert.equal(data, text)
+            assert.strictEqual(data, text)
             done()
           },
           error: (xhr, errorType, error) => done(error)
@@ -792,7 +792,7 @@ describe('protocol module', () => {
           type: 'POST',
           data: postData,
           success: (data) => {
-            assert.equal(data, $.param(postData))
+            assert.strictEqual(data, $.param(postData))
             done()
           },
           error: (xhr, errorType, error) => done(error)
@@ -836,7 +836,7 @@ describe('protocol module', () => {
             type: 'POST',
             data: postData,
             success: (data) => {
-              assert.deepEqual(qs.parse(data), postData)
+              assert.deepStrictEqual({ ...qs.parse(data) }, postData)
               done()
             },
             error: (xhr, errorType, error) => done(error)
@@ -846,10 +846,10 @@ describe('protocol module', () => {
     })
 
     it('can use custom session', (done) => {
-      const customSession = session.fromPartition('custom-ses', {cache: false})
+      const customSession = session.fromPartition('custom-ses', { cache: false })
       customSession.webRequest.onBeforeRequest((details, callback) => {
-        assert.equal(details.url, 'http://fake-host/')
-        callback({cancel: true})
+        assert.strictEqual(details.url, 'http://fake-host/')
+        callback({ cancel: true })
       })
       const handler = (request, callback) => {
         callback({
@@ -878,7 +878,7 @@ describe('protocol module', () => {
           url: 'http://fake-host',
           cache: false,
           success: (data) => {
-            assert.equal(data, text)
+            assert.strictEqual(data, text)
             done()
           },
           error: (xhr, errorType, error) => {
@@ -900,7 +900,7 @@ describe('protocol module', () => {
           type: 'POST',
           data: postData,
           success: (data) => {
-            assert.deepEqual(qs.parse(data), postData)
+            assert.deepStrictEqual({ ...qs.parse(data) }, postData)
             done()
           },
           error: (xhr, errorType, error) => {
@@ -923,7 +923,7 @@ describe('protocol module', () => {
             })
           }, 300)
         } else {
-          assert.equal(request.url.indexOf('http://fake-redirect'), 0)
+          assert.strictEqual(request.url.indexOf('http://fake-redirect'), 0)
           callback(getStream(1, 'redirect'))
         }
       }
@@ -933,7 +933,7 @@ describe('protocol module', () => {
           url: 'http://fake-host',
           cache: false,
           success: (data) => {
-            assert.equal(data, 'redirect')
+            assert.strictEqual(data, 'redirect')
             done()
           },
           error: (xhr, errorType, error) => {
@@ -947,14 +947,14 @@ describe('protocol module', () => {
   describe('protocol.uninterceptProtocol', () => {
     it('returns error when scheme does not exist', (done) => {
       protocol.uninterceptProtocol('not-exist', (error) => {
-        assert.notEqual(error, null)
+        assert.notStrictEqual(error, null)
         done()
       })
     })
 
     it('returns error when scheme is not intercepted', (done) => {
       protocol.uninterceptProtocol('http', (error) => {
-        assert.notEqual(error, null)
+        assert.notStrictEqual(error, null)
         done()
       })
     })
@@ -970,7 +970,7 @@ describe('protocol module', () => {
     let success = null
 
     beforeEach(() => {
-      w = new BrowserWindow({show: false})
+      w = new BrowserWindow({ show: false })
       success = false
     })
 
@@ -1026,7 +1026,7 @@ describe('protocol module', () => {
 
     it('can have fetch working in it', (done) => {
       const content = '<html><script>fetch("http://github.com")</script></html>'
-      const handler = (request, callback) => callback({data: content, mimeType: 'text/html'})
+      const handler = (request, callback) => callback({ data: content, mimeType: 'text/html' })
       protocol.registerStringProtocol(standardScheme, handler, (error) => {
         if (error) return done(error)
         w.webContents.on('crashed', () => done('WebContents crashed'))
@@ -1037,7 +1037,7 @@ describe('protocol module', () => {
 
     it('can access files through the FileSystem API', (done) => {
       let filePath = path.join(__dirname, 'fixtures', 'pages', 'filesystem.html')
-      const handler = (request, callback) => callback({path: filePath})
+      const handler = (request, callback) => callback({ path: filePath })
       protocol.registerFileProtocol(standardScheme, handler, (error) => {
         if (error) return done(error)
         w.loadURL(origin)
@@ -1048,7 +1048,7 @@ describe('protocol module', () => {
 
     it('registers secure, when {secure: true}', (done) => {
       let filePath = path.join(__dirname, 'fixtures', 'pages', 'cache-storage.html')
-      const handler = (request, callback) => callback({path: filePath})
+      const handler = (request, callback) => callback({ path: filePath })
       ipcMain.once('success', () => done())
       ipcMain.once('failure', (event, err) => done(err))
       protocol.registerFileProtocol(standardScheme, handler, (error) => {
diff --git a/spec/api-remote-spec.js b/spec/api-remote-spec.js
index 69b45ac8aa7..854c5e4de8b 100644
--- a/spec/api-remote-spec.js
+++ b/spec/api-remote-spec.js
@@ -2,16 +2,17 @@
 
 const assert = require('assert')
 const path = require('path')
-const {closeWindow} = require('./window-helpers')
+const { closeWindow } = require('./window-helpers')
+const { resolveGetters } = require('./assert-helpers')
 
-const {remote} = require('electron')
+const { remote } = require('electron')
 
 const comparePaths = (path1, path2) => {
   if (process.platform === 'win32') {
     path1 = path1.toLowerCase()
     path2 = path2.toLowerCase()
   }
-  assert.equal(path1, path2)
+  assert.strictEqual(path1, path2)
 }
 
 describe('remote module', () => {
@@ -25,23 +26,23 @@ describe('remote module', () => {
     it('should returns same object for the same module', () => {
       const dialog1 = remote.require('electron')
       const dialog2 = remote.require('electron')
-      assert.equal(dialog1, dialog2)
+      assert.strictEqual(dialog1, dialog2)
     })
 
     it('should work when object contains id property', () => {
       const a = remote.require(path.join(fixtures, 'module', 'id.js'))
-      assert.equal(a.id, 1127)
+      assert.strictEqual(a.id, 1127)
     })
 
     it('should work when object has no prototype', () => {
       const a = remote.require(path.join(fixtures, 'module', 'no-prototype.js'))
-      assert.equal(a.foo.constructor.name, '')
-      assert.equal(a.foo.bar, 'baz')
-      assert.equal(a.foo.baz, false)
-      assert.equal(a.bar, 1234)
-      assert.equal(a.anonymous.constructor.name, '')
-      assert.equal(a.getConstructorName(Object.create(null)), '')
-      assert.equal(a.getConstructorName(new (class {})()), '')
+      assert.strictEqual(a.foo.constructor.name, '')
+      assert.strictEqual(a.foo.bar, 'baz')
+      assert.strictEqual(a.foo.baz, false)
+      assert.strictEqual(a.bar, 1234)
+      assert.strictEqual(a.anonymous.constructor.name, '')
+      assert.strictEqual(a.getConstructorName(Object.create(null)), '')
+      assert.strictEqual(a.getConstructorName(new (class {})()), '')
     })
 
     it('should search module from the user app', () => {
@@ -51,41 +52,41 @@ describe('remote module', () => {
 
     it('should work with function properties', () => {
       let a = remote.require(path.join(fixtures, 'module', 'export-function-with-properties.js'))
-      assert.equal(typeof a, 'function')
-      assert.equal(a.bar, 'baz')
+      assert.strictEqual(typeof a, 'function')
+      assert.strictEqual(a.bar, 'baz')
 
       a = remote.require(path.join(fixtures, 'module', 'function-with-properties.js'))
-      assert.equal(typeof a, 'object')
-      assert.equal(a.foo(), 'hello')
-      assert.equal(a.foo.bar, 'baz')
-      assert.equal(a.foo.nested.prop, 'yes')
-      assert.equal(a.foo.method1(), 'world')
-      assert.equal(a.foo.method1.prop1(), 123)
+      assert.strictEqual(typeof a, 'object')
+      assert.strictEqual(a.foo(), 'hello')
+      assert.strictEqual(a.foo.bar, 'baz')
+      assert.strictEqual(a.foo.nested.prop, 'yes')
+      assert.strictEqual(a.foo.method1(), 'world')
+      assert.strictEqual(a.foo.method1.prop1(), 123)
 
       assert.ok(Object.keys(a.foo).includes('bar'))
       assert.ok(Object.keys(a.foo).includes('nested'))
       assert.ok(Object.keys(a.foo).includes('method1'))
 
       a = remote.require(path.join(fixtures, 'module', 'function-with-missing-properties.js')).setup()
-      assert.equal(a.bar(), true)
-      assert.equal(a.bar.baz, undefined)
+      assert.strictEqual(a.bar(), true)
+      assert.strictEqual(a.bar.baz, undefined)
     })
 
     it('should work with static class members', () => {
       const a = remote.require(path.join(fixtures, 'module', 'remote-static.js'))
-      assert.equal(typeof a.Foo, 'function')
-      assert.equal(a.Foo.foo(), 3)
-      assert.equal(a.Foo.bar, 'baz')
+      assert.strictEqual(typeof a.Foo, 'function')
+      assert.strictEqual(a.Foo.foo(), 3)
+      assert.strictEqual(a.Foo.bar, 'baz')
 
       const foo = new a.Foo()
-      assert.equal(foo.baz(), 123)
+      assert.strictEqual(foo.baz(), 123)
     })
 
     it('includes the length of functions specified as arguments', () => {
       const a = remote.require(path.join(fixtures, 'module', 'function-with-args.js'))
-      assert.equal(a((a, b, c, d, f) => {}), 5)
-      assert.equal(a((a) => {}), 1)
-      assert.equal(a((...args) => {}), 0)
+      assert.strictEqual(a((a, b, c, d, f) => {}), 5)
+      assert.strictEqual(a((a) => {}), 1)
+      assert.strictEqual(a((...args) => {}), 0)
     })
 
     it('handles circular references in arrays and objects', () => {
@@ -94,49 +95,49 @@ describe('remote module', () => {
       let arrayA = ['foo']
       const arrayB = [arrayA, 'bar']
       arrayA.push(arrayB)
-      assert.deepEqual(a.returnArgs(arrayA, arrayB), [
+      assert.deepStrictEqual(a.returnArgs(arrayA, arrayB), [
         ['foo', [null, 'bar']],
         [['foo', null], 'bar']
       ])
 
-      let objectA = {foo: 'bar'}
-      const objectB = {baz: objectA}
+      let objectA = { foo: 'bar' }
+      const objectB = { baz: objectA }
       objectA.objectB = objectB
-      assert.deepEqual(a.returnArgs(objectA, objectB), [
-        {foo: 'bar', objectB: {baz: null}},
-        {baz: {foo: 'bar', objectB: null}}
+      assert.deepStrictEqual(a.returnArgs(objectA, objectB), [
+        { foo: 'bar', objectB: { baz: null } },
+        { baz: { foo: 'bar', objectB: null } }
       ])
 
       arrayA = [1, 2, 3]
-      assert.deepEqual(a.returnArgs({foo: arrayA}, {bar: arrayA}), [
-        {foo: [1, 2, 3]},
-        {bar: [1, 2, 3]}
+      assert.deepStrictEqual(a.returnArgs({ foo: arrayA }, { bar: arrayA }), [
+        { foo: [1, 2, 3] },
+        { bar: [1, 2, 3] }
       ])
 
-      objectA = {foo: 'bar'}
-      assert.deepEqual(a.returnArgs({foo: objectA}, {bar: objectA}), [
-        {foo: {foo: 'bar'}},
-        {bar: {foo: 'bar'}}
+      objectA = { foo: 'bar' }
+      assert.deepStrictEqual(a.returnArgs({ foo: objectA }, { bar: objectA }), [
+        { foo: { foo: 'bar' } },
+        { bar: { foo: 'bar' } }
       ])
 
       arrayA = []
       arrayA.push(arrayA)
-      assert.deepEqual(a.returnArgs(arrayA), [
+      assert.deepStrictEqual(a.returnArgs(arrayA), [
         [null]
       ])
 
       objectA = {}
       objectA.foo = objectA
       objectA.bar = 'baz'
-      assert.deepEqual(a.returnArgs(objectA), [
-        {foo: null, bar: 'baz'}
+      assert.deepStrictEqual(a.returnArgs(objectA), [
+        { foo: null, bar: 'baz' }
       ])
 
       objectA = {}
-      objectA.foo = {bar: objectA}
+      objectA.foo = { bar: objectA }
       objectA.bar = 'baz'
-      assert.deepEqual(a.returnArgs(objectA), [
-        {foo: {bar: null}, bar: 'baz'}
+      assert.deepStrictEqual(a.returnArgs(objectA), [
+        { foo: { bar: null }, bar: 'baz' }
       ])
     })
   })
@@ -146,46 +147,46 @@ describe('remote module', () => {
       const buf = Buffer.from('test')
       const call = remote.require(path.join(fixtures, 'module', 'call.js'))
       const result = call.call(remote.createFunctionWithReturnValue(buf))
-      assert.equal(result.constructor.name, 'Buffer')
+      assert.strictEqual(result.constructor.name, 'Buffer')
     })
   })
 
   describe('remote modules', () => {
     it('includes browser process modules as properties', () => {
-      assert.equal(typeof remote.app.getPath, 'function')
-      assert.equal(typeof remote.webContents.getFocusedWebContents, 'function')
-      assert.equal(typeof remote.clipboard.readText, 'function')
-      assert.equal(typeof remote.shell.openExternal, 'function')
+      assert.strictEqual(typeof remote.app.getPath, 'function')
+      assert.strictEqual(typeof remote.webContents.getFocusedWebContents, 'function')
+      assert.strictEqual(typeof remote.clipboard.readText, 'function')
+      assert.strictEqual(typeof remote.shell.openExternal, 'function')
     })
 
     it('returns toString() of original function via toString()', () => {
-      const {readText} = remote.clipboard
+      const { readText } = remote.clipboard
       assert(readText.toString().startsWith('function'))
 
-      const {functionWithToStringProperty} = remote.require(path.join(fixtures, 'module', 'to-string-non-function.js'))
-      assert.equal(functionWithToStringProperty.toString, 'hello')
+      const { functionWithToStringProperty } = remote.require(path.join(fixtures, 'module', 'to-string-non-function.js'))
+      assert.strictEqual(functionWithToStringProperty.toString, 'hello')
     })
   })
 
   describe('remote object in renderer', () => {
     it('can change its properties', () => {
       const property = remote.require(path.join(fixtures, 'module', 'property.js'))
-      assert.equal(property.property, 1127)
+      assert.strictEqual(property.property, 1127)
 
       property.property = null
-      assert.equal(property.property, null)
+      assert.strictEqual(property.property, null)
       property.property = undefined
-      assert.equal(property.property, undefined)
+      assert.strictEqual(property.property, undefined)
       property.property = 1007
-      assert.equal(property.property, 1007)
+      assert.strictEqual(property.property, 1007)
 
-      assert.equal(property.getFunctionProperty(), 'foo-browser')
+      assert.strictEqual(property.getFunctionProperty(), 'foo-browser')
       property.func.property = 'bar'
-      assert.equal(property.getFunctionProperty(), 'bar-browser')
-      property.func.property = 'foo'  // revert back
+      assert.strictEqual(property.getFunctionProperty(), 'bar-browser')
+      property.func.property = 'foo' // revert back
 
       const property2 = remote.require(path.join(fixtures, 'module', 'property.js'))
-      assert.equal(property2.property, 1007)
+      assert.strictEqual(property2.property, 1007)
       property.property = 1127
     })
 
@@ -213,17 +214,17 @@ describe('remote module', () => {
     it('can construct an object from its member', () => {
       const call = remote.require(path.join(fixtures, 'module', 'call.js'))
       const obj = new call.constructor()
-      assert.equal(obj.test, 'test')
+      assert.strictEqual(obj.test, 'test')
     })
 
     it('can reassign and delete its member functions', () => {
       const remoteFunctions = remote.require(path.join(fixtures, 'module', 'function.js'))
-      assert.equal(remoteFunctions.aFunction(), 1127)
+      assert.strictEqual(remoteFunctions.aFunction(), 1127)
 
       remoteFunctions.aFunction = () => { return 1234 }
-      assert.equal(remoteFunctions.aFunction(), 1234)
+      assert.strictEqual(remoteFunctions.aFunction(), 1234)
 
-      assert.equal(delete remoteFunctions.aFunction, true)
+      assert.strictEqual(delete remoteFunctions.aFunction, true)
     })
 
     it('is referenced by its members', () => {
@@ -249,20 +250,20 @@ describe('remote module', () => {
 
     it('keeps its constructor name for objects', () => {
       const buf = Buffer.from('test')
-      assert.equal(printName.print(buf), 'Buffer')
+      assert.strictEqual(printName.print(buf), 'Buffer')
     })
 
     it('supports instanceof Date', () => {
       const now = new Date()
-      assert.equal(printName.print(now), 'Date')
-      assert.deepEqual(printName.echo(now), now)
+      assert.strictEqual(printName.print(now), 'Date')
+      assert.deepStrictEqual(printName.echo(now), now)
     })
 
     it('supports instanceof Buffer', () => {
       const buffer = Buffer.from('test')
       assert.ok(buffer.equals(printName.echo(buffer)))
 
-      const objectWithBuffer = {a: 'foo', b: Buffer.from('bar')}
+      const objectWithBuffer = { a: 'foo', b: Buffer.from('bar') }
       assert.ok(objectWithBuffer.b.equals(printName.echo(objectWithBuffer).b))
 
       const arrayWithBuffer = [1, 2, Buffer.from('baz')]
@@ -274,89 +275,89 @@ describe('remote module', () => {
       const view = new DataView(buffer)
 
       view.setFloat64(0, Math.PI)
-      assert.deepEqual(printName.echo(buffer), buffer)
-      assert.equal(printName.print(buffer), 'ArrayBuffer')
+      assert.deepStrictEqual(printName.echo(buffer), buffer)
+      assert.strictEqual(printName.print(buffer), 'ArrayBuffer')
     })
 
     it('supports instanceof Int8Array', () => {
       const values = [1, 2, 3, 4]
-      assert.deepEqual(printName.typedArray('Int8Array', values), values)
+      assert.deepStrictEqual([...printName.typedArray('Int8Array', values)], values)
 
       const int8values = new Int8Array(values)
-      assert.deepEqual(printName.typedArray('Int8Array', int8values), int8values)
-      assert.equal(printName.print(int8values), 'Int8Array')
+      assert.deepStrictEqual(printName.typedArray('Int8Array', int8values), int8values)
+      assert.strictEqual(printName.print(int8values), 'Int8Array')
     })
 
     it('supports instanceof Uint8Array', () => {
       const values = [1, 2, 3, 4]
-      assert.deepEqual(printName.typedArray('Uint8Array', values), values)
+      assert.deepStrictEqual([...printName.typedArray('Uint8Array', values)], values)
 
       const uint8values = new Uint8Array(values)
-      assert.deepEqual(printName.typedArray('Uint8Array', uint8values), uint8values)
-      assert.equal(printName.print(uint8values), 'Uint8Array')
+      assert.deepStrictEqual(printName.typedArray('Uint8Array', uint8values), uint8values)
+      assert.strictEqual(printName.print(uint8values), 'Uint8Array')
     })
 
     it('supports instanceof Uint8ClampedArray', () => {
       const values = [1, 2, 3, 4]
-      assert.deepEqual(printName.typedArray('Uint8ClampedArray', values), values)
+      assert.deepStrictEqual([...printName.typedArray('Uint8ClampedArray', values)], values)
 
       const uint8values = new Uint8ClampedArray(values)
-      assert.deepEqual(printName.typedArray('Uint8ClampedArray', uint8values), uint8values)
-      assert.equal(printName.print(uint8values), 'Uint8ClampedArray')
+      assert.deepStrictEqual(printName.typedArray('Uint8ClampedArray', uint8values), uint8values)
+      assert.strictEqual(printName.print(uint8values), 'Uint8ClampedArray')
     })
 
     it('supports instanceof Int16Array', () => {
       const values = [0x1234, 0x2345, 0x3456, 0x4567]
-      assert.deepEqual(printName.typedArray('Int16Array', values), values)
+      assert.deepStrictEqual([...printName.typedArray('Int16Array', values)], values)
 
       const int16values = new Int16Array(values)
-      assert.deepEqual(printName.typedArray('Int16Array', int16values), int16values)
-      assert.equal(printName.print(int16values), 'Int16Array')
+      assert.deepStrictEqual(printName.typedArray('Int16Array', int16values), int16values)
+      assert.strictEqual(printName.print(int16values), 'Int16Array')
     })
 
     it('supports instanceof Uint16Array', () => {
       const values = [0x1234, 0x2345, 0x3456, 0x4567]
-      assert.deepEqual(printName.typedArray('Uint16Array', values), values)
+      assert.deepStrictEqual([...printName.typedArray('Uint16Array', values)], values)
 
       const uint16values = new Uint16Array(values)
-      assert.deepEqual(printName.typedArray('Uint16Array', uint16values), uint16values)
-      assert.equal(printName.print(uint16values), 'Uint16Array')
+      assert.deepStrictEqual(printName.typedArray('Uint16Array', uint16values), uint16values)
+      assert.strictEqual(printName.print(uint16values), 'Uint16Array')
     })
 
     it('supports instanceof Int32Array', () => {
       const values = [0x12345678, 0x23456789]
-      assert.deepEqual(printName.typedArray('Int32Array', values), values)
+      assert.deepStrictEqual([...printName.typedArray('Int32Array', values)], values)
 
       const int32values = new Int32Array(values)
-      assert.deepEqual(printName.typedArray('Int32Array', int32values), int32values)
-      assert.equal(printName.print(int32values), 'Int32Array')
+      assert.deepStrictEqual(printName.typedArray('Int32Array', int32values), int32values)
+      assert.strictEqual(printName.print(int32values), 'Int32Array')
     })
 
     it('supports instanceof Uint32Array', () => {
       const values = [0x12345678, 0x23456789]
-      assert.deepEqual(printName.typedArray('Uint32Array', values), values)
+      assert.deepStrictEqual([...printName.typedArray('Uint32Array', values)], values)
 
       const uint32values = new Uint32Array(values)
-      assert.deepEqual(printName.typedArray('Uint32Array', uint32values), uint32values)
-      assert.equal(printName.print(uint32values), 'Uint32Array')
+      assert.deepStrictEqual(printName.typedArray('Uint32Array', uint32values), uint32values)
+      assert.strictEqual(printName.print(uint32values), 'Uint32Array')
     })
 
     it('supports instanceof Float32Array', () => {
       const values = [0.5, 1.0, 1.5]
-      assert.deepEqual(printName.typedArray('Float32Array', values), values)
+      assert.deepStrictEqual([...printName.typedArray('Float32Array', values)], values)
 
       const float32values = new Float32Array()
-      assert.deepEqual(printName.typedArray('Float32Array', float32values), float32values)
-      assert.equal(printName.print(float32values), 'Float32Array')
+      assert.deepStrictEqual(printName.typedArray('Float32Array', float32values), float32values)
+      assert.strictEqual(printName.print(float32values), 'Float32Array')
     })
 
     it('supports instanceof Float64Array', () => {
       const values = [0.5, 1.0, 1.5]
-      assert.deepEqual(printName.typedArray('Float64Array', values), values)
+      assert.deepStrictEqual([...printName.typedArray('Float64Array', values)], values)
 
       const float64values = new Float64Array([0.5, 1.0, 1.5])
-      assert.deepEqual(printName.typedArray('Float64Array', float64values), float64values)
-      assert.equal(printName.print(float64values), 'Float64Array')
+      assert.deepStrictEqual(printName.typedArray('Float64Array', float64values), float64values)
+      assert.strictEqual(printName.print(float64values), 'Float64Array')
     })
   })
 
@@ -364,7 +365,7 @@ describe('remote module', () => {
     it('can be used as promise in each side', (done) => {
       const promise = remote.require(path.join(fixtures, 'module', 'promise.js'))
       promise.twicePromise(Promise.resolve(1234)).then((value) => {
-        assert.equal(value, 2468)
+        assert.strictEqual(value, 2468)
         done()
       })
     })
@@ -372,7 +373,7 @@ describe('remote module', () => {
     it('handles rejections via catch(onRejected)', (done) => {
       const promise = remote.require(path.join(fixtures, 'module', 'rejected-promise.js'))
       promise.reject(Promise.resolve(1234)).catch((error) => {
-        assert.equal(error.message, 'rejected')
+        assert.strictEqual(error.message, 'rejected')
         done()
       })
     })
@@ -380,7 +381,7 @@ describe('remote module', () => {
     it('handles rejections via then(onFulfilled, onRejected)', (done) => {
       const promise = remote.require(path.join(fixtures, 'module', 'rejected-promise.js'))
       promise.reject(Promise.resolve(1234)).then(() => {}, (error) => {
-        assert.equal(error.message, 'rejected')
+        assert.strictEqual(error.message, 'rejected')
         done()
       })
     })
@@ -394,7 +395,7 @@ describe('remote module', () => {
       promise.reject().then(() => {
         done(new Error('Promise was not rejected'))
       }).catch((error) => {
-        assert.equal(error.message, 'rejected')
+        assert.strictEqual(error.message, 'rejected')
         done()
       })
     })
@@ -402,7 +403,7 @@ describe('remote module', () => {
     it('emits unhandled rejection events in the renderer process', (done) => {
       window.addEventListener('unhandledrejection', function (event) {
         event.preventDefault()
-        assert.equal(event.reason.message, 'rejected')
+        assert.strictEqual(event.reason.message, 'rejected')
         done()
       })
 
@@ -427,17 +428,17 @@ describe('remote module', () => {
     let derived = cl.derived
 
     it('can get methods', () => {
-      assert.equal(base.method(), 'method')
+      assert.strictEqual(base.method(), 'method')
     })
 
     it('can get properties', () => {
-      assert.equal(base.readonly, 'readonly')
+      assert.strictEqual(base.readonly, 'readonly')
     })
 
     it('can change properties', () => {
-      assert.equal(base.value, 'old')
+      assert.strictEqual(base.value, 'old')
       base.value = 'new'
-      assert.equal(base.value, 'new')
+      assert.strictEqual(base.value, 'new')
       base.value = 'old'
     })
 
@@ -447,8 +448,8 @@ describe('remote module', () => {
     })
 
     it('keeps prototype chain in derived class', () => {
-      assert.equal(derived.method(), 'method')
-      assert.equal(derived.readonly, 'readonly')
+      assert.strictEqual(derived.method(), 'method')
+      assert.strictEqual(derived.readonly, 'readonly')
       assert(!derived.hasOwnProperty('method'))
       let proto = Object.getPrototypeOf(derived)
       assert(!proto.hasOwnProperty('method'))
@@ -459,7 +460,7 @@ describe('remote module', () => {
       let method = derived.method
       derived = null
       global.gc()
-      assert.equal(method(), 'method')
+      assert.strictEqual(method(), 'method')
     })
   })
 
@@ -480,7 +481,7 @@ describe('remote module', () => {
         throwFunction(err)
       } catch (error) {
         assert.ok(error.from)
-        assert.deepEqual(error.cause, err)
+        assert.deepStrictEqual(error.cause, ...resolveGetters(err))
       }
     })
   })
diff --git a/spec/api-screen-spec.js b/spec/api-screen-spec.js
index 910bca84541..cf351bf1018 100644
--- a/spec/api-screen-spec.js
+++ b/spec/api-screen-spec.js
@@ -1,19 +1,19 @@
 const assert = require('assert')
-const {screen} = require('electron')
+const { screen } = require('electron')
 
 describe('screen module', () => {
   describe('screen.getCursorScreenPoint()', () => {
     it('returns a point object', () => {
       const point = screen.getCursorScreenPoint()
-      assert.equal(typeof point.x, 'number')
-      assert.equal(typeof point.y, 'number')
+      assert.strictEqual(typeof point.x, 'number')
+      assert.strictEqual(typeof point.y, 'number')
     })
   })
 
   describe('screen.getPrimaryDisplay()', () => {
     it('returns a display object', () => {
       const display = screen.getPrimaryDisplay()
-      assert.equal(typeof display.scaleFactor, 'number')
+      assert.strictEqual(typeof display.scaleFactor, 'number')
       assert(display.size.width > 0)
       assert(display.size.height > 0)
     })
diff --git a/spec/api-session-spec.js b/spec/api-session-spec.js
index 2bbc833ba56..fffa0fda7c0 100644
--- a/spec/api-session-spec.js
+++ b/spec/api-session-spec.js
@@ -5,10 +5,10 @@ const path = require('path')
 const fs = require('fs')
 const send = require('send')
 const auth = require('basic-auth')
-const {closeWindow} = require('./window-helpers')
+const { closeWindow } = require('./window-helpers')
 
-const {ipcRenderer, remote} = require('electron')
-const {ipcMain, session, BrowserWindow, net} = remote
+const { ipcRenderer, remote } = require('electron')
+const { ipcMain, session, BrowserWindow, net } = remote
 
 /* The whole session API doesn't use standard callbacks */
 /* eslint-disable standard/no-callback-literal */
@@ -40,13 +40,13 @@ describe('session module', () => {
 
   describe('session.defaultSession', () => {
     it('returns the default session', () => {
-      assert.equal(session.defaultSession, session.fromPartition(''))
+      assert.strictEqual(session.defaultSession, session.fromPartition(''))
     })
   })
 
   describe('session.fromPartition(partition, options)', () => {
     it('returns existing session with same partition', () => {
-      assert.equal(session.fromPartition('test'), session.fromPartition('test'))
+      assert.strictEqual(session.fromPartition('test'), session.fromPartition('test'))
     })
 
     it('created session is ref-counted', () => {
@@ -54,10 +54,10 @@ describe('session module', () => {
       const userAgent = 'test-agent'
       const ses1 = session.fromPartition(partition)
       ses1.setUserAgent(userAgent)
-      assert.equal(ses1.getUserAgent(), userAgent)
+      assert.strictEqual(ses1.getUserAgent(), userAgent)
       ses1.destroy()
       const ses2 = session.fromPartition(partition)
-      assert.notEqual(ses2.getUserAgent(), userAgent)
+      assert.notStrictEqual(ses2.getUserAgent(), userAgent)
     })
   })
 
@@ -72,7 +72,7 @@ describe('session module', () => {
         const port = server.address().port
         w.loadURL(`${url}:${port}`)
         w.webContents.on('did-finish-load', () => {
-          w.webContents.session.cookies.get({url}, (error, list) => {
+          w.webContents.session.cookies.get({ url }, (error, list) => {
             if (error) return done(error)
             for (let i = 0; i < list.length; i++) {
               const cookie = list[i]
@@ -97,7 +97,7 @@ describe('session module', () => {
         value: '1'
       }, (error) => {
         assert(error, 'Should have an error')
-        assert.equal(error.message, 'Setting cookie failed')
+        assert.strictEqual(error.message, 'Setting cookie failed')
         done()
       })
     })
@@ -109,7 +109,7 @@ describe('session module', () => {
         value: '1'
       }, (error) => {
         if (error) return done(error)
-        session.defaultSession.cookies.get({url}, (error, list) => {
+        session.defaultSession.cookies.get({ url }, (error, list) => {
           if (error) return done(error)
           for (let i = 0; i < list.length; i++) {
             const cookie = list[i]
@@ -134,7 +134,7 @@ describe('session module', () => {
       }, (error) => {
         if (error) return done(error)
         session.defaultSession.cookies.remove(url, '2', () => {
-          session.defaultSession.cookies.get({url}, (error, list) => {
+          session.defaultSession.cookies.get({ url }, (error, list) => {
             if (error) return done(error)
             for (let i = 0; i < list.length; i++) {
               const cookie = list[i]
@@ -155,31 +155,31 @@ describe('session module', () => {
         value: '1'
       }, (error) => {
         if (error) return done(error)
-        session.defaultSession.cookies.get({url: origin}, (error, list) => {
+        session.defaultSession.cookies.get({ url: origin }, (error, list) => {
           if (error) return done(error)
-          assert.equal(list.length, 1)
-          assert.equal(list[0].name, 'custom')
-          assert.equal(list[0].value, '1')
-          assert.equal(list[0].domain, 'fake-host')
+          assert.strictEqual(list.length, 1)
+          assert.strictEqual(list[0].name, 'custom')
+          assert.strictEqual(list[0].value, '1')
+          assert.strictEqual(list[0].domain, 'fake-host')
           done()
         })
       })
     })
 
     it('emits a changed event when a cookie is added or removed', (done) => {
-      const {cookies} = session.fromPartition('cookies-changed')
+      const { cookies } = session.fromPartition('cookies-changed')
 
       cookies.once('changed', (event, cookie, cause, removed) => {
-        assert.equal(cookie.name, 'foo')
-        assert.equal(cookie.value, 'bar')
-        assert.equal(cause, 'explicit')
-        assert.equal(removed, false)
+        assert.strictEqual(cookie.name, 'foo')
+        assert.strictEqual(cookie.value, 'bar')
+        assert.strictEqual(cause, 'explicit')
+        assert.strictEqual(removed, false)
 
         cookies.once('changed', (event, cookie, cause, removed) => {
-          assert.equal(cookie.name, 'foo')
-          assert.equal(cookie.value, 'bar')
-          assert.equal(cause, 'explicit')
-          assert.equal(removed, true)
+          assert.strictEqual(cookie.name, 'foo')
+          assert.strictEqual(cookie.value, 'bar')
+          assert.strictEqual(cause, 'explicit')
+          assert.strictEqual(removed, true)
           done()
         })
 
@@ -218,7 +218,7 @@ describe('session module', () => {
     it('clears localstorage data', (done) => {
       ipcMain.on('count', (event, count) => {
         ipcMain.removeAllListeners('count')
-        assert.equal(count, 0)
+        assert.strictEqual(count, 0)
         done()
       })
       w.loadFile(path.join(fixtures, 'api', 'localstorage.html'))
@@ -265,9 +265,9 @@ describe('session module', () => {
         ipcRenderer.sendSync('set-download-option', false, true)
         w.loadURL(url)
         ipcRenderer.once('download-error', (event, downloadUrl, filename, error) => {
-          assert.equal(downloadUrl, url)
-          assert.equal(filename, 'mockFile.txt')
-          assert.equal(error, 'Object has been destroyed')
+          assert.strictEqual(downloadUrl, url)
+          assert.strictEqual(filename, 'mockFile.txt')
+          assert.strictEqual(error, 'Object has been destroyed')
           done()
         })
       })
@@ -294,21 +294,21 @@ describe('session module', () => {
       return path.relative(path1, path2) === ''
     }
     const assertDownload = (event, state, url, mimeType,
-                                   receivedBytes, totalBytes, disposition,
-                                   filename, port, savePath, isCustom) => {
-      assert.equal(state, 'completed')
-      assert.equal(filename, 'mock.pdf')
+      receivedBytes, totalBytes, disposition,
+      filename, port, savePath, isCustom) => {
+      assert.strictEqual(state, 'completed')
+      assert.strictEqual(filename, 'mock.pdf')
       assert.ok(path.isAbsolute(savePath))
       assert.ok(isPathEqual(savePath, path.join(__dirname, 'fixtures', 'mock.pdf')))
       if (isCustom) {
-        assert.equal(url, `${protocolName}://item`)
+        assert.strictEqual(url, `${protocolName}://item`)
       } else {
-        assert.equal(url, `http://127.0.0.1:${port}/`)
+        assert.strictEqual(url, `http://127.0.0.1:${port}/`)
       }
-      assert.equal(mimeType, 'application/pdf')
-      assert.equal(receivedBytes, mockPDF.length)
-      assert.equal(totalBytes, mockPDF.length)
-      assert.equal(disposition, contentDisposition)
+      assert.strictEqual(mimeType, 'application/pdf')
+      assert.strictEqual(receivedBytes, mockPDF.length)
+      assert.strictEqual(totalBytes, mockPDF.length)
+      assert.strictEqual(disposition, contentDisposition)
       assert(fs.existsSync(downloadFilePath))
       fs.unlinkSync(downloadFilePath)
     }
@@ -319,11 +319,11 @@ describe('session module', () => {
         ipcRenderer.sendSync('set-download-option', false, false)
         w.webContents.downloadURL(`${url}:${port}`)
         ipcRenderer.once('download-done', (event, state, url,
-                                                    mimeType, receivedBytes,
-                                                    totalBytes, disposition,
-                                                    filename, savePath) => {
+          mimeType, receivedBytes,
+          totalBytes, disposition,
+          filename, savePath) => {
           assertDownload(event, state, url, mimeType, receivedBytes,
-                         totalBytes, disposition, filename, port, savePath)
+            totalBytes, disposition, filename, port, savePath)
           done()
         })
       })
@@ -334,19 +334,19 @@ describe('session module', () => {
       downloadServer.listen(0, '127.0.0.1', () => {
         const port = downloadServer.address().port
         const handler = (ignoredError, callback) => {
-          callback({url: `${url}:${port}`})
+          callback({ url: `${url}:${port}` })
         }
         protocol.registerHttpProtocol(protocolName, handler, (error) => {
           if (error) return done(error)
           ipcRenderer.sendSync('set-download-option', false, false)
           w.webContents.downloadURL(`${protocolName}://item`)
           ipcRenderer.once('download-done', (event, state, url,
-                                                      mimeType, receivedBytes,
-                                                      totalBytes, disposition,
-                                                      filename, savePath) => {
+            mimeType, receivedBytes,
+            totalBytes, disposition,
+            filename, savePath) => {
             assertDownload(event, state, url, mimeType, receivedBytes,
-                           totalBytes, disposition, filename, port, savePath,
-                           true)
+              totalBytes, disposition, filename, port, savePath,
+              true)
             done()
           })
         })
@@ -363,11 +363,11 @@ describe('session module', () => {
           webview.downloadURL(`${url}:${port}/`)
         })
         ipcRenderer.once('download-done', (event, state, url,
-                                                    mimeType, receivedBytes,
-                                                    totalBytes, disposition,
-                                                    filename, savePath) => {
+          mimeType, receivedBytes,
+          totalBytes, disposition,
+          filename, savePath) => {
           assertDownload(event, state, url, mimeType, receivedBytes,
-                         totalBytes, disposition, filename, port, savePath)
+            totalBytes, disposition, filename, port, savePath)
           document.body.removeChild(webview)
           done()
         })
@@ -381,15 +381,15 @@ describe('session module', () => {
         ipcRenderer.sendSync('set-download-option', true, false)
         w.webContents.downloadURL(`${url}:${port}/`)
         ipcRenderer.once('download-done', (event, state, url,
-                                                    mimeType, receivedBytes,
-                                                    totalBytes, disposition,
-                                                    filename) => {
-          assert.equal(state, 'cancelled')
-          assert.equal(filename, 'mock.pdf')
-          assert.equal(mimeType, 'application/pdf')
-          assert.equal(receivedBytes, 0)
-          assert.equal(totalBytes, mockPDF.length)
-          assert.equal(disposition, contentDisposition)
+          mimeType, receivedBytes,
+          totalBytes, disposition,
+          filename) => {
+          assert.strictEqual(state, 'cancelled')
+          assert.strictEqual(filename, 'mock.pdf')
+          assert.strictEqual(mimeType, 'application/pdf')
+          assert.strictEqual(receivedBytes, 0)
+          assert.strictEqual(totalBytes, mockPDF.length)
+          assert.strictEqual(disposition, contentDisposition)
           done()
         })
       })
@@ -407,15 +407,15 @@ describe('session module', () => {
         ipcRenderer.sendSync('set-download-option', true, false)
         w.webContents.downloadURL(`${url}:${port}/?testFilename`)
         ipcRenderer.once('download-done', (event, state, url,
-                                                    mimeType, receivedBytes,
-                                                    totalBytes, disposition,
-                                                    filename) => {
-          assert.equal(state, 'cancelled')
-          assert.equal(filename, 'download.pdf')
-          assert.equal(mimeType, 'application/pdf')
-          assert.equal(receivedBytes, 0)
-          assert.equal(totalBytes, mockPDF.length)
-          assert.equal(disposition, contentDisposition)
+          mimeType, receivedBytes,
+          totalBytes, disposition,
+          filename) => {
+          assert.strictEqual(state, 'cancelled')
+          assert.strictEqual(filename, 'download.pdf')
+          assert.strictEqual(mimeType, 'application/pdf')
+          assert.strictEqual(receivedBytes, 0)
+          assert.strictEqual(totalBytes, mockPDF.length)
+          assert.strictEqual(disposition, contentDisposition)
           done()
         })
       })
@@ -425,7 +425,7 @@ describe('session module', () => {
       it('does not display a save dialog and reports the done state as interrupted', (done) => {
         ipcRenderer.sendSync('set-download-option', false, false)
         ipcRenderer.once('download-done', (event, state) => {
-          assert.equal(state, 'interrupted')
+          assert.strictEqual(state, 'interrupted')
           done()
         })
         w.webContents.downloadURL(`file://${path.join(__dirname, 'does-not-exist.txt')}`)
@@ -439,7 +439,7 @@ describe('session module', () => {
     const partitionProtocol = session.fromPartition(partitionName).protocol
     const protocol = session.defaultSession.protocol
     const handler = (ignoredError, callback) => {
-      callback({data: 'test', mimeType: 'text/html'})
+      callback({ data: 'test', mimeType: 'text/html' })
     }
 
     beforeEach((done) => {
@@ -461,9 +461,9 @@ describe('session module', () => {
 
     it('does not affect defaultSession', (done) => {
       protocol.isProtocolHandled(protocolName, (result) => {
-        assert.equal(result, false)
+        assert.strictEqual(result, false)
         partitionProtocol.isProtocolHandled(protocolName, (result) => {
-          assert.equal(result, true)
+          assert.strictEqual(result, true)
           done()
         })
       })
@@ -477,10 +477,10 @@ describe('session module', () => {
 
   describe('ses.setProxy(options, callback)', () => {
     it('allows configuring proxy settings', (done) => {
-      const config = {proxyRules: 'http=myproxy:80'}
+      const config = { proxyRules: 'http=myproxy:80' }
       session.defaultSession.setProxy(config, () => {
         session.defaultSession.resolveProxy('http://localhost', (proxy) => {
-          assert.equal(proxy, 'PROXY myproxy:80')
+          assert.strictEqual(proxy, 'PROXY myproxy:80')
           done()
         })
       })
@@ -493,7 +493,7 @@ describe('session module', () => {
       }
       session.defaultSession.setProxy(config, () => {
         session.defaultSession.resolveProxy('http://localhost', (proxy) => {
-          assert.equal(proxy, 'DIRECT')
+          assert.strictEqual(proxy, 'DIRECT')
           done()
         })
       })
@@ -507,7 +507,7 @@ describe('session module', () => {
       const url = `${scheme}://host`
       before(() => {
         if (w != null) w.destroy()
-        w = new BrowserWindow({show: false})
+        w = new BrowserWindow({ show: false })
       })
 
       after((done) => {
@@ -535,12 +535,12 @@ describe('session module', () => {
 
       protocol.registerStringProtocol(scheme, (request, callback) => {
         if (request.method === 'GET') {
-          callback({data: content, mimeType: 'text/html'})
+          callback({ data: content, mimeType: 'text/html' })
         } else if (request.method === 'POST') {
           let uuid = request.uploadData[1].blobUUID
           assert(uuid)
           session.defaultSession.getBlobData(uuid, (result) => {
-            assert.equal(result.toString(), postData)
+            assert.strictEqual(result.toString(), postData)
             done()
           })
         }
@@ -580,38 +580,38 @@ describe('session module', () => {
     })
 
     it('accepts the request when the callback is called with 0', (done) => {
-      session.defaultSession.setCertificateVerifyProc(({hostname, certificate, verificationResult, errorCode}, callback) => {
+      session.defaultSession.setCertificateVerifyProc(({ hostname, certificate, verificationResult, errorCode }, callback) => {
         assert(['net::ERR_CERT_AUTHORITY_INVALID', 'net::ERR_CERT_COMMON_NAME_INVALID'].includes(verificationResult), verificationResult)
         assert([-202, -200].includes(errorCode), errorCode)
         callback(0)
       })
 
       w.webContents.once('did-finish-load', () => {
-        assert.equal(w.webContents.getTitle(), 'hello')
+        assert.strictEqual(w.webContents.getTitle(), 'hello')
         done()
       })
       w.loadURL(`https://127.0.0.1:${server.address().port}`)
     })
 
     it('rejects the request when the callback is called with -2', (done) => {
-      session.defaultSession.setCertificateVerifyProc(({hostname, certificate, verificationResult}, callback) => {
-        assert.equal(hostname, '127.0.0.1')
-        assert.equal(certificate.issuerName, 'Intermediate CA')
-        assert.equal(certificate.subjectName, 'localhost')
-        assert.equal(certificate.issuer.commonName, 'Intermediate CA')
-        assert.equal(certificate.subject.commonName, 'localhost')
-        assert.equal(certificate.issuerCert.issuer.commonName, 'Root CA')
-        assert.equal(certificate.issuerCert.subject.commonName, 'Intermediate CA')
-        assert.equal(certificate.issuerCert.issuerCert.issuer.commonName, 'Root CA')
-        assert.equal(certificate.issuerCert.issuerCert.subject.commonName, 'Root CA')
-        assert.equal(certificate.issuerCert.issuerCert.issuerCert, undefined)
+      session.defaultSession.setCertificateVerifyProc(({ hostname, certificate, verificationResult }, callback) => {
+        assert.strictEqual(hostname, '127.0.0.1')
+        assert.strictEqual(certificate.issuerName, 'Intermediate CA')
+        assert.strictEqual(certificate.subjectName, 'localhost')
+        assert.strictEqual(certificate.issuer.commonName, 'Intermediate CA')
+        assert.strictEqual(certificate.subject.commonName, 'localhost')
+        assert.strictEqual(certificate.issuerCert.issuer.commonName, 'Root CA')
+        assert.strictEqual(certificate.issuerCert.subject.commonName, 'Intermediate CA')
+        assert.strictEqual(certificate.issuerCert.issuerCert.issuer.commonName, 'Root CA')
+        assert.strictEqual(certificate.issuerCert.issuerCert.subject.commonName, 'Root CA')
+        assert.strictEqual(certificate.issuerCert.issuerCert.issuerCert, undefined)
         assert(['net::ERR_CERT_AUTHORITY_INVALID', 'net::ERR_CERT_COMMON_NAME_INVALID'].includes(verificationResult), verificationResult)
         callback(-2)
       })
 
       const url = `https://127.0.0.1:${server.address().port}`
       w.webContents.once('did-finish-load', () => {
-        assert.equal(w.webContents.getTitle(), url)
+        assert.strictEqual(w.webContents.getTitle(), url)
         done()
       })
       w.loadURL(url)
@@ -631,15 +631,15 @@ describe('session module', () => {
       }
       w.webContents.session.createInterruptedDownload(options)
       ipcRenderer.once('download-created', (event, state, urlChain,
-                                                     mimeType, receivedBytes,
-                                                     totalBytes, filename,
-                                                     savePath) => {
-        assert.equal(state, 'interrupted')
-        assert.deepEqual(urlChain, ['http://127.0.0.1/'])
-        assert.equal(mimeType, 'application/pdf')
-        assert.equal(receivedBytes, 0)
-        assert.equal(totalBytes, 5242880)
-        assert.equal(savePath, filePath)
+        mimeType, receivedBytes,
+        totalBytes, filename,
+        savePath) => {
+        assert.strictEqual(state, 'interrupted')
+        assert.deepStrictEqual(urlChain, ['http://127.0.0.1/'])
+        assert.strictEqual(mimeType, 'application/pdf')
+        assert.strictEqual(receivedBytes, 0)
+        assert.strictEqual(totalBytes, 5242880)
+        assert.strictEqual(savePath, filePath)
         done()
       })
     })
@@ -650,16 +650,16 @@ describe('session module', () => {
       const rangeServer = http.createServer((req, res) => {
         let options = { root: fixtures }
         send(req, req.url, options)
-        .on('error', (error) => { done(error) }).pipe(res)
+          .on('error', (error) => { done(error) }).pipe(res)
       })
       ipcRenderer.sendSync('set-download-option', true, false, downloadFilePath)
       rangeServer.listen(0, '127.0.0.1', () => {
         const port = rangeServer.address().port
         const downloadUrl = `http://127.0.0.1:${port}/assets/logo.png`
         const callback = (event, state, url, mimeType,
-                                   receivedBytes, totalBytes, disposition,
-                                   filename, savePath, urlChain,
-                                   lastModifiedTime, eTag) => {
+          receivedBytes, totalBytes, disposition,
+          filename, savePath, urlChain,
+          lastModifiedTime, eTag) => {
           if (state === 'cancelled') {
             const options = {
               path: savePath,
@@ -673,13 +673,13 @@ describe('session module', () => {
             ipcRenderer.sendSync('set-download-option', false, false, downloadFilePath)
             w.webContents.session.createInterruptedDownload(options)
           } else {
-            assert.equal(state, 'completed')
-            assert.equal(filename, 'logo.png')
-            assert.equal(savePath, downloadFilePath)
-            assert.equal(url, downloadUrl)
-            assert.equal(mimeType, 'image/png')
-            assert.equal(receivedBytes, 14022)
-            assert.equal(totalBytes, 14022)
+            assert.strictEqual(state, 'completed')
+            assert.strictEqual(filename, 'logo.png')
+            assert.strictEqual(savePath, downloadFilePath)
+            assert.strictEqual(url, downloadUrl)
+            assert.strictEqual(mimeType, 'image/png')
+            assert.strictEqual(receivedBytes, 14022)
+            assert.strictEqual(totalBytes, 14022)
             assert(fs.existsSync(downloadFilePath))
             fs.unlinkSync(downloadFilePath)
             rangeServer.close()
@@ -719,8 +719,8 @@ describe('session module', () => {
           })
           request.on('login', (info, callback) => {
             attempt += 1
-            assert.equal(info.scheme, 'basic')
-            assert.equal(info.realm, 'Restricted')
+            assert.strictEqual(info.scheme, 'basic')
+            assert.strictEqual(info.realm, 'Restricted')
             callback('test', 'test')
           })
           request.on('response', (response) => {
@@ -730,8 +730,8 @@ describe('session module', () => {
               data += chunk
             })
             response.on('end', () => {
-              assert.equal(data, 'authenticated')
-              ses.clearAuthCache({type: 'password'}, () => {
+              assert.strictEqual(data, 'authenticated')
+              ses.clearAuthCache({ type: 'password' }, () => {
                 issueLoginRequest(attempt)
               })
             })
@@ -756,8 +756,8 @@ describe('session module', () => {
 
       webview = new WebView()
       webview.addEventListener('ipc-message', (e) => {
-        assert.equal(e.channel, 'message')
-        assert.deepEqual(e.args, ['SecurityError'])
+        assert.strictEqual(e.channel, 'message')
+        assert.deepStrictEqual(e.args, ['SecurityError'])
         done()
       })
       webview.src = `file://${fixtures}/pages/permissions/midi-sysex.html`
diff --git a/spec/api-shell-spec.js b/spec/api-shell-spec.js
index 9c277779e90..720b75da4a9 100644
--- a/spec/api-shell-spec.js
+++ b/spec/api-shell-spec.js
@@ -2,7 +2,7 @@ const assert = require('assert')
 const fs = require('fs')
 const path = require('path')
 const os = require('os')
-const {shell} = require('electron')
+const { shell } = require('electron')
 
 describe('shell module', () => {
   const fixtures = path.resolve(__dirname, 'fixtures')
@@ -32,7 +32,7 @@ describe('shell module', () => {
 
     it('reads all properties of a shortcut', () => {
       const shortcut = shell.readShortcutLink(path.join(fixtures, 'assets', 'shortcut.lnk'))
-      assert.deepEqual(shortcut, shortcutOptions)
+      assert.deepStrictEqual(shortcut, shortcutOptions)
     })
   })
 
@@ -44,28 +44,28 @@ describe('shell module', () => {
     })
 
     it('writes the shortcut', () => {
-      assert.equal(shell.writeShortcutLink(tmpShortcut, {target: 'C:\\'}), true)
-      assert.equal(fs.existsSync(tmpShortcut), true)
+      assert.strictEqual(shell.writeShortcutLink(tmpShortcut, { target: 'C:\\' }), true)
+      assert.strictEqual(fs.existsSync(tmpShortcut), true)
     })
 
     it('correctly sets the fields', () => {
-      assert.equal(shell.writeShortcutLink(tmpShortcut, shortcutOptions), true)
-      assert.deepEqual(shell.readShortcutLink(tmpShortcut), shortcutOptions)
+      assert.strictEqual(shell.writeShortcutLink(tmpShortcut, shortcutOptions), true)
+      assert.deepStrictEqual(shell.readShortcutLink(tmpShortcut), shortcutOptions)
     })
 
     it('updates the shortcut', () => {
-      assert.equal(shell.writeShortcutLink(tmpShortcut, 'update', shortcutOptions), false)
-      assert.equal(shell.writeShortcutLink(tmpShortcut, 'create', shortcutOptions), true)
-      assert.deepEqual(shell.readShortcutLink(tmpShortcut), shortcutOptions)
-      const change = {target: 'D:\\'}
-      assert.equal(shell.writeShortcutLink(tmpShortcut, 'update', change), true)
-      assert.deepEqual(shell.readShortcutLink(tmpShortcut), Object.assign(shortcutOptions, change))
+      assert.strictEqual(shell.writeShortcutLink(tmpShortcut, 'update', shortcutOptions), false)
+      assert.strictEqual(shell.writeShortcutLink(tmpShortcut, 'create', shortcutOptions), true)
+      assert.deepStrictEqual(shell.readShortcutLink(tmpShortcut), shortcutOptions)
+      const change = { target: 'D:\\' }
+      assert.strictEqual(shell.writeShortcutLink(tmpShortcut, 'update', change), true)
+      assert.deepStrictEqual(shell.readShortcutLink(tmpShortcut), Object.assign(shortcutOptions, change))
     })
 
     it('replaces the shortcut', () => {
-      assert.equal(shell.writeShortcutLink(tmpShortcut, 'replace', shortcutOptions), false)
-      assert.equal(shell.writeShortcutLink(tmpShortcut, 'create', shortcutOptions), true)
-      assert.deepEqual(shell.readShortcutLink(tmpShortcut), shortcutOptions)
+      assert.strictEqual(shell.writeShortcutLink(tmpShortcut, 'replace', shortcutOptions), false)
+      assert.strictEqual(shell.writeShortcutLink(tmpShortcut, 'create', shortcutOptions), true)
+      assert.deepStrictEqual(shell.readShortcutLink(tmpShortcut), shortcutOptions)
       const change = {
         target: 'D:\\',
         description: 'description2',
@@ -75,8 +75,8 @@ describe('shell module', () => {
         icon: 'icon2',
         iconIndex: 2
       }
-      assert.equal(shell.writeShortcutLink(tmpShortcut, 'replace', change), true)
-      assert.deepEqual(shell.readShortcutLink(tmpShortcut), change)
+      assert.strictEqual(shell.writeShortcutLink(tmpShortcut, 'replace', change), true)
+      assert.deepStrictEqual(shell.readShortcutLink(tmpShortcut), change)
     })
   })
 })
diff --git a/spec/api-system-preferences-spec.js b/spec/api-system-preferences-spec.js
index 96e52979fdd..836bea4ead8 100644
--- a/spec/api-system-preferences-spec.js
+++ b/spec/api-system-preferences-spec.js
@@ -1,6 +1,6 @@
 const assert = require('assert')
-const {remote} = require('electron')
-const {systemPreferences} = remote
+const { remote } = require('electron')
+const { systemPreferences } = remote
 
 describe('systemPreferences module', () => {
   describe('systemPreferences.getAccentColor', () => {
@@ -12,7 +12,7 @@ describe('systemPreferences module', () => {
 
     it('should return a non-empty string', () => {
       let accentColor = systemPreferences.getAccentColor()
-      assert.notEqual(accentColor, null)
+      assert.notStrictEqual(accentColor, null)
       assert(accentColor.length > 0)
     })
   })
@@ -31,7 +31,7 @@ describe('systemPreferences module', () => {
     })
 
     it('returns a hex RGB color string', () => {
-      assert.equal(/^#[0-9A-F]{6}$/i.test(systemPreferences.getColor('window')), true)
+      assert.strictEqual(/^#[0-9A-F]{6}$/i.test(systemPreferences.getColor('window')), true)
     })
   })
 
@@ -57,7 +57,7 @@ describe('systemPreferences module', () => {
       for (const userDefault of defaultsMap) {
         const { key, value: expectedValue, type } = userDefault
         const actualValue = systemPreferences.getUserDefault(key, type)
-        assert.deepEqual(actualValue, expectedValue)
+        assert.deepStrictEqual(actualValue, expectedValue)
       }
     })
 
@@ -86,7 +86,7 @@ describe('systemPreferences module', () => {
 
     it('returns values for known user defaults', () => {
       const locale = systemPreferences.getUserDefault('AppleLocale', 'string')
-      assert.equal(typeof locale, 'string')
+      assert.strictEqual(typeof locale, 'string')
       assert(locale.length > 0)
 
       const languages = systemPreferences.getUserDefault('AppleLanguages', 'array')
@@ -95,15 +95,15 @@ describe('systemPreferences module', () => {
     })
 
     it('returns values for unknown user defaults', () => {
-      assert.equal(systemPreferences.getUserDefault('UserDefaultDoesNotExist', 'boolean'), false)
-      assert.equal(systemPreferences.getUserDefault('UserDefaultDoesNotExist', 'integer'), 0)
-      assert.equal(systemPreferences.getUserDefault('UserDefaultDoesNotExist', 'float'), 0)
-      assert.equal(systemPreferences.getUserDefault('UserDefaultDoesNotExist', 'double'), 0)
-      assert.equal(systemPreferences.getUserDefault('UserDefaultDoesNotExist', 'string'), '')
-      assert.equal(systemPreferences.getUserDefault('UserDefaultDoesNotExist', 'url'), '')
-      assert.equal(systemPreferences.getUserDefault('UserDefaultDoesNotExist', 'badtype'), undefined)
-      assert.deepEqual(systemPreferences.getUserDefault('UserDefaultDoesNotExist', 'array'), [])
-      assert.deepEqual(systemPreferences.getUserDefault('UserDefaultDoesNotExist', 'dictionary'), {})
+      assert.strictEqual(systemPreferences.getUserDefault('UserDefaultDoesNotExist', 'boolean'), false)
+      assert.strictEqual(systemPreferences.getUserDefault('UserDefaultDoesNotExist', 'integer'), 0)
+      assert.strictEqual(systemPreferences.getUserDefault('UserDefaultDoesNotExist', 'float'), 0)
+      assert.strictEqual(systemPreferences.getUserDefault('UserDefaultDoesNotExist', 'double'), 0)
+      assert.strictEqual(systemPreferences.getUserDefault('UserDefaultDoesNotExist', 'string'), '')
+      assert.strictEqual(systemPreferences.getUserDefault('UserDefaultDoesNotExist', 'url'), '')
+      assert.strictEqual(systemPreferences.getUserDefault('UserDefaultDoesNotExist', 'badtype'), undefined)
+      assert.deepStrictEqual(systemPreferences.getUserDefault('UserDefaultDoesNotExist', 'array'), [])
+      assert.deepStrictEqual(systemPreferences.getUserDefault('UserDefaultDoesNotExist', 'dictionary'), {})
     })
   })
 
@@ -117,7 +117,7 @@ describe('systemPreferences module', () => {
       ['integer', 11],
       ['url', 'https://github.com/electron'],
       ['array', [1, 2, 3]],
-      ['dictionary', {'a': 1, 'b': 2}]
+      ['dictionary', { 'a': 1, 'b': 2 }]
     ]
 
     before(function () {
@@ -130,7 +130,7 @@ describe('systemPreferences module', () => {
       for (const [type, value] of TEST_CASES) {
         systemPreferences.setUserDefault(KEY, type, value)
         const retrievedValue = systemPreferences.getUserDefault(KEY, type)
-        assert.deepEqual(retrievedValue, value)
+        assert.deepStrictEqual(retrievedValue, value)
       }
     })
 
@@ -160,7 +160,7 @@ describe('systemPreferences module', () => {
       const KEY = 'SystemPreferencesTest'
       systemPreferences.setUserDefault(KEY, 'string', 'foo')
       systemPreferences.removeUserDefault(KEY)
-      assert.equal(systemPreferences.getUserDefault(KEY, 'string'), '')
+      assert.strictEqual(systemPreferences.getUserDefault(KEY, 'string'), '')
     })
 
     it('does not throw for missing keys', () => {
@@ -170,7 +170,7 @@ describe('systemPreferences module', () => {
 
   describe('systemPreferences.isInvertedColorScheme()', () => {
     it('returns a boolean', () => {
-      assert.equal(typeof systemPreferences.isInvertedColorScheme(), 'boolean')
+      assert.strictEqual(typeof systemPreferences.isInvertedColorScheme(), 'boolean')
     })
   })
 })
diff --git a/spec/api-touch-bar-spec.js b/spec/api-touch-bar-spec.js
index 18dd414f688..ea216fc0fe6 100644
--- a/spec/api-touch-bar-spec.js
+++ b/spec/api-touch-bar-spec.js
@@ -1,10 +1,10 @@
 const assert = require('assert')
 const path = require('path')
-const {BrowserWindow, TouchBar} = require('electron').remote
-const {closeWindow} = require('./window-helpers')
+const { BrowserWindow, TouchBar } = require('electron').remote
+const { closeWindow } = require('./window-helpers')
 
-const {TouchBarButton, TouchBarColorPicker, TouchBarGroup} = TouchBar
-const {TouchBarLabel, TouchBarPopover, TouchBarScrubber, TouchBarSegmentedControl, TouchBarSlider, TouchBarSpacer} = TouchBar
+const { TouchBarButton, TouchBarColorPicker, TouchBarGroup } = TouchBar
+const { TouchBarLabel, TouchBarPopover, TouchBarScrubber, TouchBarSegmentedControl, TouchBarSlider, TouchBarSpacer } = TouchBar
 
 describe('TouchBar module', () => {
   it('throws an error when created without an options object', () => {
@@ -16,19 +16,19 @@ describe('TouchBar module', () => {
 
   it('throws an error when created with invalid items', () => {
     assert.throws(() => {
-      const touchBar = new TouchBar({items: [1, true, {}, []]})
+      const touchBar = new TouchBar({ items: [1, true, {}, []] })
       touchBar.toString()
     }, /Each item must be an instance of TouchBarItem/)
   })
 
   it('throws an error when an invalid escape item is set', () => {
     assert.throws(() => {
-      const touchBar = new TouchBar({items: [], escapeItem: 'esc'})
+      const touchBar = new TouchBar({ items: [], escapeItem: 'esc' })
       touchBar.toString()
     }, /Escape item must be an instance of TouchBarItem/)
 
     assert.throws(() => {
-      const touchBar = new TouchBar({items: []})
+      const touchBar = new TouchBar({ items: [] })
       touchBar.escapeItem = 'esc'
     }, /Escape item must be an instance of TouchBarItem/)
   })
@@ -46,40 +46,40 @@ describe('TouchBar module', () => {
     })
 
     it('can be added to and removed from a window', () => {
-      const label = new TouchBarLabel({label: 'bar'})
+      const label = new TouchBarLabel({ label: 'bar' })
       const touchBar = new TouchBar([
-        new TouchBarButton({label: 'foo', backgroundColor: '#F00', click: () => {}}),
+        new TouchBarButton({ label: 'foo', backgroundColor: '#F00', click: () => {} }),
         new TouchBarButton({
           icon: path.join(__dirname, 'fixtures', 'assets', 'logo.png'),
           iconPosition: 'right',
           click: () => {}
         }),
-        new TouchBarColorPicker({selectedColor: '#F00', change: () => {}}),
-        new TouchBarGroup({items: new TouchBar([new TouchBarLabel({label: 'hello'})])}),
+        new TouchBarColorPicker({ selectedColor: '#F00', change: () => {} }),
+        new TouchBarGroup({ items: new TouchBar([new TouchBarLabel({ label: 'hello' })]) }),
         label,
-        new TouchBarPopover({items: new TouchBar([new TouchBarButton({label: 'pop'})])}),
-        new TouchBarSlider({label: 'slide', value: 5, minValue: 2, maxValue: 75, change: () => {}}),
-        new TouchBarSpacer({size: 'large'}),
+        new TouchBarPopover({ items: new TouchBar([new TouchBarButton({ label: 'pop' })]) }),
+        new TouchBarSlider({ label: 'slide', value: 5, minValue: 2, maxValue: 75, change: () => {} }),
+        new TouchBarSpacer({ size: 'large' }),
         new TouchBarSegmentedControl({
           segmentStyle: 'capsule',
-          segments: [{label: 'baz', enabled: false}],
+          segments: [{ label: 'baz', enabled: false }],
           selectedIndex: 5
         }),
-        new TouchBarSegmentedControl({segments: []}),
+        new TouchBarSegmentedControl({ segments: [] }),
         new TouchBarScrubber({
-          items: [{label: 'foo'}, {label: 'bar'}, {label: 'baz'}],
+          items: [{ label: 'foo' }, { label: 'bar' }, { label: 'baz' }],
           selectedStyle: 'outline',
           mode: 'fixed',
           showArrowButtons: true
         })
       ])
-      const escapeButton = new TouchBarButton({label: 'foo'})
+      const escapeButton = new TouchBarButton({ label: 'foo' })
       window.setTouchBar(touchBar)
       touchBar.escapeItem = escapeButton
       label.label = 'baz'
       escapeButton.label = 'hello'
       window.setTouchBar()
-      window.setTouchBar(new TouchBar([new TouchBarLabel({label: 'two'})]))
+      window.setTouchBar(new TouchBar([new TouchBarLabel({ label: 'two' })]))
       touchBar.escapeItem = null
     })
 
@@ -90,7 +90,7 @@ describe('TouchBar module', () => {
           done()
         }
       })
-      const touchBar = new TouchBar({items: [button]})
+      const touchBar = new TouchBar({ items: [button] })
       window.setTouchBar(touchBar)
       window.emit('-touch-bar-interaction', {}, button.id)
     })
@@ -102,7 +102,7 @@ describe('TouchBar module', () => {
           done()
         }
       })
-      const touchBar = new TouchBar({escapeItem: button})
+      const touchBar = new TouchBar({ escapeItem: button })
       window.setTouchBar(touchBar)
       window.emit('-touch-bar-interaction', {}, button.id)
     })
diff --git a/spec/api-tray-spec.js b/spec/api-tray-spec.js
index aeca382ac85..ed6ebb2cc59 100644
--- a/spec/api-tray-spec.js
+++ b/spec/api-tray-spec.js
@@ -1,5 +1,5 @@
-const {remote} = require('electron')
-const {Menu, Tray, nativeImage} = remote
+const { remote } = require('electron')
+const { Menu, Tray, nativeImage } = remote
 
 describe('tray module', () => {
   let tray
diff --git a/spec/api-view-spec.js b/spec/api-view-spec.js
index a47283b124d..396d9a972eb 100644
--- a/spec/api-view-spec.js
+++ b/spec/api-view-spec.js
@@ -1,14 +1,14 @@
 'use strict'
 
-const {closeWindow} = require('./window-helpers')
-const {TopLevelWindow, View} = require('electron').remote
+const { closeWindow } = require('./window-helpers')
+const { TopLevelWindow, View } = require('electron').remote
 
 describe('View', () => {
   let w = null
   afterEach(() => closeWindow(w).then(() => { w = null }))
 
   it('can be used as content view', () => {
-    w = new TopLevelWindow({show: false})
+    w = new TopLevelWindow({ show: false })
     w.setContentView(new View())
   })
 })
diff --git a/spec/api-web-contents-spec.js b/spec/api-web-contents-spec.js
index 32f40640c4f..2342bfaaa14 100644
--- a/spec/api-web-contents-spec.js
+++ b/spec/api-web-contents-spec.js
@@ -3,14 +3,14 @@
 const assert = require('assert')
 const http = require('http')
 const path = require('path')
-const {closeWindow} = require('./window-helpers')
-const {emittedOnce} = require('./events-helpers')
+const { closeWindow } = require('./window-helpers')
+const { emittedOnce } = require('./events-helpers')
 const chai = require('chai')
 const dirtyChai = require('dirty-chai')
 
-const {ipcRenderer, remote} = require('electron')
-const {BrowserWindow, webContents, ipcMain, session} = remote
-const {expect} = chai
+const { ipcRenderer, remote } = require('electron')
+const { BrowserWindow, webContents, ipcMain, session } = remote
+const { expect } = chai
 
 const isCi = remote.getGlobal('isCi')
 
@@ -44,9 +44,9 @@ describe('webContents module', () => {
         })
 
         assert.ok(all.length >= 4)
-        assert.equal(all[0].getType(), 'window')
-        assert.equal(all[all.length - 2].getType(), 'remote')
-        assert.equal(all[all.length - 1].getType(), 'webview')
+        assert.strictEqual(all[0].getType(), 'window')
+        assert.strictEqual(all[all.length - 2].getType(), 'remote')
+        assert.strictEqual(all[all.length - 1].getType(), 'webview')
 
         done()
       })
@@ -61,15 +61,15 @@ describe('webContents module', () => {
       if (isCi) return done()
 
       const specWebContents = remote.getCurrentWebContents()
-      assert.equal(specWebContents.id, webContents.getFocusedWebContents().id)
+      assert.strictEqual(specWebContents.id, webContents.getFocusedWebContents().id)
 
       specWebContents.once('devtools-opened', () => {
-        assert.equal(specWebContents.devToolsWebContents.id, webContents.getFocusedWebContents().id)
+        assert.strictEqual(specWebContents.devToolsWebContents.id, webContents.getFocusedWebContents().id)
         specWebContents.closeDevTools()
       })
 
       specWebContents.once('devtools-closed', () => {
-        assert.equal(specWebContents.id, webContents.getFocusedWebContents().id)
+        assert.strictEqual(specWebContents.id, webContents.getFocusedWebContents().id)
         done()
       })
 
@@ -93,14 +93,14 @@ describe('webContents module', () => {
         done()
       })
 
-      specWebContents.openDevTools({mode: 'detach'})
+      specWebContents.openDevTools({ mode: 'detach' })
       w.inspectElement(100, 100)
     })
   })
 
   describe('setDevToolsWebContents() API', () => {
     it('sets arbitry webContents as devtools', (done) => {
-      let devtools = new BrowserWindow({show: false})
+      let devtools = new BrowserWindow({ show: false })
       devtools.webContents.once('dom-ready', () => {
         assert.ok(devtools.getURL().startsWith('chrome-devtools://devtools'))
         devtools.webContents.executeJavaScript('InspectorFrontendHost.constructor.name', (name) => {
@@ -117,7 +117,7 @@ describe('webContents module', () => {
   describe('isFocused() API', () => {
     it('returns false when the window is hidden', () => {
       BrowserWindow.getAllWindows().forEach((window) => {
-        assert.equal(!window.isVisible() && window.webContents.isFocused(), false)
+        assert.strictEqual(!window.isVisible() && window.webContents.isFocused(), false)
       })
     })
   })
@@ -159,13 +159,13 @@ describe('webContents module', () => {
       w.loadFile(path.join(fixtures, 'pages', 'key-events.html'))
       w.webContents.once('did-finish-load', () => {
         ipcMain.once('keydown', (event, key) => {
-          assert.equal(key, 'b')
+          assert.strictEqual(key, 'b')
           done()
         })
 
         ipcRenderer.send('prevent-next-input-event', 'a', w.webContents.id)
-        w.webContents.sendInputEvent({type: 'keyDown', keyCode: 'a'})
-        w.webContents.sendInputEvent({type: 'keyDown', keyCode: 'b'})
+        w.webContents.sendInputEvent({ type: 'keyDown', keyCode: 'a' })
+        w.webContents.sendInputEvent({ type: 'keyDown', keyCode: 'b' })
       })
     })
 
@@ -175,14 +175,14 @@ describe('webContents module', () => {
         const testBeforeInput = (opts) => {
           return new Promise((resolve, reject) => {
             w.webContents.once('before-input-event', (event, input) => {
-              assert.equal(input.type, opts.type)
-              assert.equal(input.key, opts.key)
-              assert.equal(input.code, opts.code)
-              assert.equal(input.isAutoRepeat, opts.isAutoRepeat)
-              assert.equal(input.shift, opts.shift)
-              assert.equal(input.control, opts.control)
-              assert.equal(input.alt, opts.alt)
-              assert.equal(input.meta, opts.meta)
+              assert.strictEqual(input.type, opts.type)
+              assert.strictEqual(input.key, opts.key)
+              assert.strictEqual(input.code, opts.code)
+              assert.strictEqual(input.isAutoRepeat, opts.isAutoRepeat)
+              assert.strictEqual(input.shift, opts.shift)
+              assert.strictEqual(input.control, opts.control)
+              assert.strictEqual(input.alt, opts.alt)
+              assert.strictEqual(input.meta, opts.meta)
               resolve()
             })
 
@@ -262,69 +262,69 @@ describe('webContents module', () => {
 
     it('can send keydown events', (done) => {
       ipcMain.once('keydown', (event, key, code, keyCode, shiftKey, ctrlKey, altKey) => {
-        assert.equal(key, 'a')
-        assert.equal(code, 'KeyA')
-        assert.equal(keyCode, 65)
-        assert.equal(shiftKey, false)
-        assert.equal(ctrlKey, false)
-        assert.equal(altKey, false)
+        assert.strictEqual(key, 'a')
+        assert.strictEqual(code, 'KeyA')
+        assert.strictEqual(keyCode, 65)
+        assert.strictEqual(shiftKey, false)
+        assert.strictEqual(ctrlKey, false)
+        assert.strictEqual(altKey, false)
         done()
       })
-      w.webContents.sendInputEvent({type: 'keyDown', keyCode: 'A'})
+      w.webContents.sendInputEvent({ type: 'keyDown', keyCode: 'A' })
     })
 
     it('can send keydown events with modifiers', (done) => {
       ipcMain.once('keydown', (event, key, code, keyCode, shiftKey, ctrlKey, altKey) => {
-        assert.equal(key, 'Z')
-        assert.equal(code, 'KeyZ')
-        assert.equal(keyCode, 90)
-        assert.equal(shiftKey, true)
-        assert.equal(ctrlKey, true)
-        assert.equal(altKey, false)
+        assert.strictEqual(key, 'Z')
+        assert.strictEqual(code, 'KeyZ')
+        assert.strictEqual(keyCode, 90)
+        assert.strictEqual(shiftKey, true)
+        assert.strictEqual(ctrlKey, true)
+        assert.strictEqual(altKey, false)
         done()
       })
-      w.webContents.sendInputEvent({type: 'keyDown', keyCode: 'Z', modifiers: ['shift', 'ctrl']})
+      w.webContents.sendInputEvent({ type: 'keyDown', keyCode: 'Z', modifiers: ['shift', 'ctrl'] })
     })
 
     it('can send keydown events with special keys', (done) => {
       ipcMain.once('keydown', (event, key, code, keyCode, shiftKey, ctrlKey, altKey) => {
-        assert.equal(key, 'Tab')
-        assert.equal(code, 'Tab')
-        assert.equal(keyCode, 9)
-        assert.equal(shiftKey, false)
-        assert.equal(ctrlKey, false)
-        assert.equal(altKey, true)
+        assert.strictEqual(key, 'Tab')
+        assert.strictEqual(code, 'Tab')
+        assert.strictEqual(keyCode, 9)
+        assert.strictEqual(shiftKey, false)
+        assert.strictEqual(ctrlKey, false)
+        assert.strictEqual(altKey, true)
         done()
       })
-      w.webContents.sendInputEvent({type: 'keyDown', keyCode: 'Tab', modifiers: ['alt']})
+      w.webContents.sendInputEvent({ type: 'keyDown', keyCode: 'Tab', modifiers: ['alt'] })
     })
 
     it('can send char events', (done) => {
       ipcMain.once('keypress', (event, key, code, keyCode, shiftKey, ctrlKey, altKey) => {
-        assert.equal(key, 'a')
-        assert.equal(code, 'KeyA')
-        assert.equal(keyCode, 65)
-        assert.equal(shiftKey, false)
-        assert.equal(ctrlKey, false)
-        assert.equal(altKey, false)
+        assert.strictEqual(key, 'a')
+        assert.strictEqual(code, 'KeyA')
+        assert.strictEqual(keyCode, 65)
+        assert.strictEqual(shiftKey, false)
+        assert.strictEqual(ctrlKey, false)
+        assert.strictEqual(altKey, false)
         done()
       })
-      w.webContents.sendInputEvent({type: 'keyDown', keyCode: 'A'})
-      w.webContents.sendInputEvent({type: 'char', keyCode: 'A'})
+      w.webContents.sendInputEvent({ type: 'keyDown', keyCode: 'A' })
+      w.webContents.sendInputEvent({ type: 'char', keyCode: 'A' })
     })
 
     it('can send char events with modifiers', (done) => {
       ipcMain.once('keypress', (event, key, code, keyCode, shiftKey, ctrlKey, altKey) => {
-        assert.equal(key, 'Z')
-        assert.equal(code, 'KeyZ')
-        assert.equal(keyCode, 90)
-        assert.equal(shiftKey, true)
-        assert.equal(ctrlKey, true)
-        assert.equal(altKey, false)
+        assert.strictEqual(key, 'Z')
+        assert.strictEqual(code, 'KeyZ')
+        assert.strictEqual(keyCode, 90)
+        assert.strictEqual(shiftKey, true)
+        assert.strictEqual(ctrlKey, true)
+        assert.strictEqual(altKey, false)
         done()
       })
-      w.webContents.sendInputEvent({type: 'keyDown', keyCode: 'Z'})
-      w.webContents.sendInputEvent({type: 'char', keyCode: 'Z', modifiers: ['shift', 'ctrl']})
+      w.webContents.sendInputEvent({ type: 'keyDown', keyCode: 'Z' })
+      w.webContents.sendInputEvent({ type: 'char', keyCode: 'Z', modifiers: ['shift', 'ctrl'] })
     })
   })
 
@@ -332,7 +332,7 @@ describe('webContents module', () => {
     w.loadURL('about:blank')
     w.webContents.insertCSS('body { background-repeat: round; }')
     w.webContents.executeJavaScript('window.getComputedStyle(document.body).getPropertyValue("background-repeat")', (result) => {
-      assert.equal(result, 'round')
+      assert.strictEqual(result, 'round')
       done()
     })
   })
@@ -348,16 +348,16 @@ describe('webContents module', () => {
   describe('startDrag({file, icon})', () => {
     it('throws errors for a missing file or a missing/empty icon', () => {
       assert.throws(() => {
-        w.webContents.startDrag({icon: path.join(fixtures, 'assets', 'logo.png')})
+        w.webContents.startDrag({ icon: path.join(fixtures, 'assets', 'logo.png') })
       }, /Must specify either 'file' or 'files' option/)
 
       assert.throws(() => {
-        w.webContents.startDrag({file: __filename})
+        w.webContents.startDrag({ file: __filename })
       }, /Must specify 'icon' option/)
 
       if (process.platform === 'darwin') {
         assert.throws(() => {
-          w.webContents.startDrag({file: __filename, icon: __filename})
+          w.webContents.startDrag({ file: __filename, icon: __filename })
         }, /Must specify non-empty 'icon' option/)
       }
     })
@@ -367,8 +367,8 @@ describe('webContents module', () => {
     describe('when the web contents is hidden', () => {
       it('does not blur the focused window', (done) => {
         ipcMain.once('answer', (event, parentFocused, childFocused) => {
-          assert.equal(parentFocused, true)
-          assert.equal(childFocused, false)
+          assert.strictEqual(parentFocused, true)
+          assert.strictEqual(childFocused, false)
           done()
         })
         w.show()
@@ -383,7 +383,7 @@ describe('webContents module', () => {
 
       w.webContents.once('did-finish-load', () => {
         const pid = w.webContents.getOSProcessId()
-        assert.equal(typeof pid, 'number')
+        assert.strictEqual(typeof pid, 'number')
         assert(pid > 0, `pid ${pid} is not greater than 0`)
         done()
       })
@@ -411,7 +411,7 @@ describe('webContents module', () => {
                               })
                             })
                           </script>`
-        callback({data: response, mimeType: 'text/html'})
+        callback({ data: response, mimeType: 'text/html' })
       }, (error) => done(error))
     })
 
@@ -424,10 +424,10 @@ describe('webContents module', () => {
       w.loadURL('about:blank')
       w.webContents.on('did-finish-load', () => {
         w.webContents.getZoomLevel((zoomLevel) => {
-          assert.equal(zoomLevel, 0.0)
+          assert.strictEqual(zoomLevel, 0.0)
           w.webContents.setZoomLevel(0.5)
           w.webContents.getZoomLevel((zoomLevel) => {
-            assert.equal(zoomLevel, 0.5)
+            assert.strictEqual(zoomLevel, 0.5)
             w.webContents.setZoomLevel(0)
             done()
           })
@@ -444,7 +444,7 @@ describe('webContents module', () => {
       })
       ipcMain.on('host1-zoom-level', (e, zoomLevel) => {
         const expectedZoomLevel = hostZoomMap.host1
-        assert.equal(zoomLevel, expectedZoomLevel)
+        assert.strictEqual(zoomLevel, expectedZoomLevel)
         if (finalNavigation) {
           done()
         } else {
@@ -453,7 +453,7 @@ describe('webContents module', () => {
       })
       ipcMain.once('host2-zoom-level', (e, zoomLevel) => {
         const expectedZoomLevel = hostZoomMap.host2
-        assert.equal(zoomLevel, expectedZoomLevel)
+        assert.strictEqual(zoomLevel, expectedZoomLevel)
         finalNavigation = true
         w.webContents.goBack()
       })
@@ -466,9 +466,9 @@ describe('webContents module', () => {
       })
       w2.webContents.on('did-finish-load', () => {
         w.webContents.getZoomLevel((zoomLevel1) => {
-          assert.equal(zoomLevel1, hostZoomMap.host3)
+          assert.strictEqual(zoomLevel1, hostZoomMap.host3)
           w2.webContents.getZoomLevel((zoomLevel2) => {
-            assert.equal(zoomLevel1, zoomLevel2)
+            assert.strictEqual(zoomLevel1, zoomLevel2)
             w2.setClosable(true)
             w2.close()
             done()
@@ -496,10 +496,10 @@ describe('webContents module', () => {
         if (error) return done(error)
         w2.webContents.on('did-finish-load', () => {
           w.webContents.getZoomLevel((zoomLevel1) => {
-            assert.equal(zoomLevel1, hostZoomMap.host3)
+            assert.strictEqual(zoomLevel1, hostZoomMap.host3)
             w2.webContents.getZoomLevel((zoomLevel2) => {
-              assert.equal(zoomLevel2, 0)
-              assert.notEqual(zoomLevel1, zoomLevel2)
+              assert.strictEqual(zoomLevel2, 0)
+              assert.notStrictEqual(zoomLevel1, zoomLevel2)
               protocol.unregisterProtocol(zoomScheme, (error) => {
                 if (error) return done(error)
                 w2.setClosable(true)
@@ -529,7 +529,7 @@ describe('webContents module', () => {
         w.webContents.on('did-frame-finish-load', (e, isMainFrame) => {
           if (!isMainFrame) {
             w.webContents.getZoomLevel((zoomLevel) => {
-              assert.equal(zoomLevel, 2.0)
+              assert.strictEqual(zoomLevel, 2.0)
               w.webContents.setZoomLevel(0)
               server.close()
               done()
@@ -550,10 +550,10 @@ describe('webContents module', () => {
       })
       w2.webContents.on('did-finish-load', () => {
         w.webContents.getZoomLevel((zoomLevel1) => {
-          assert.equal(zoomLevel1, finalZoomLevel)
+          assert.strictEqual(zoomLevel1, finalZoomLevel)
           w2.webContents.getZoomLevel((zoomLevel2) => {
-            assert.equal(zoomLevel2, 0)
-            assert.notEqual(zoomLevel1, zoomLevel2)
+            assert.strictEqual(zoomLevel2, 0)
+            assert.notStrictEqual(zoomLevel1, zoomLevel2)
             w2.setClosable(true)
             w2.close()
             done()
@@ -579,13 +579,13 @@ describe('webContents module', () => {
           w.webContents.executeJavaScript(source, () => {})
         } else {
           w.webContents.getZoomLevel((zoomLevel) => {
-            assert.equal(zoomLevel, 0)
+            assert.strictEqual(zoomLevel, 0)
             done()
           })
         }
       })
       ipcMain.once('zoom-level-set', (e, zoomLevel) => {
-        assert.equal(zoomLevel, 0.6)
+        assert.strictEqual(zoomLevel, 0.6)
         w.loadFile(path.join(fixtures, 'pages', 'd.html'))
         initialNavigation = false
       })
@@ -603,7 +603,7 @@ describe('webContents module', () => {
       ]
       policies.forEach((policy) => {
         w.webContents.setWebRTCIPHandlingPolicy(policy)
-        assert.equal(w.webContents.getWebRTCIPHandlingPolicy(), policy)
+        assert.strictEqual(w.webContents.getWebRTCIPHandlingPolicy(), policy)
       })
     })
   })
@@ -635,8 +635,8 @@ describe('webContents module', () => {
 
   describe('setIgnoreMenuShortcuts(ignore)', () => {
     it('does not throw', () => {
-      assert.equal(w.webContents.setIgnoreMenuShortcuts(true), undefined)
-      assert.equal(w.webContents.setIgnoreMenuShortcuts(false), undefined)
+      assert.strictEqual(w.webContents.setIgnoreMenuShortcuts(true), undefined)
+      assert.strictEqual(w.webContents.setIgnoreMenuShortcuts(false), undefined)
     })
   })
 
@@ -712,10 +712,10 @@ describe('webContents module', () => {
       w.webContents.on('did-change-theme-color', (e, color) => {
         if (count === 0) {
           count += 1
-          assert.equal(color, '#FFEEDD')
+          assert.strictEqual(color, '#FFEEDD')
           w.loadFile(path.join(fixtures, 'pages', 'base-page.html'))
         } else if (count === 1) {
-          assert.equal(color, null)
+          assert.strictEqual(color, null)
           done()
         }
       })
@@ -739,7 +739,7 @@ describe('webContents module', () => {
     it('propagates referrer information to new target=_blank windows', (done) => {
       const server = http.createServer((req, res) => {
         if (req.url === '/should_have_referrer') {
-          assert.equal(req.headers.referer, 'http://127.0.0.1:' + server.address().port + '/')
+          assert.strictEqual(req.headers.referer, 'http://127.0.0.1:' + server.address().port + '/')
           return done()
         }
         res.end('<a id="a" href="/should_have_referrer" target="_blank">link</a>')
@@ -748,8 +748,8 @@ describe('webContents module', () => {
         const url = 'http://127.0.0.1:' + server.address().port + '/'
         w.webContents.once('did-finish-load', () => {
           w.webContents.once('new-window', (event, newUrl, frameName, disposition, options, features, referrer) => {
-            assert.equal(referrer.url, url)
-            assert.equal(referrer.policy, 'no-referrer-when-downgrade')
+            assert.strictEqual(referrer.url, url)
+            assert.strictEqual(referrer.policy, 'no-referrer-when-downgrade')
           })
           w.webContents.executeJavaScript('a.click()')
         })
@@ -762,7 +762,7 @@ describe('webContents module', () => {
     xit('propagates referrer information to windows opened with window.open', (done) => {
       const server = http.createServer((req, res) => {
         if (req.url === '/should_have_referrer') {
-          assert.equal(req.headers.referer, 'http://127.0.0.1:' + server.address().port + '/')
+          assert.strictEqual(req.headers.referer, 'http://127.0.0.1:' + server.address().port + '/')
           return done()
         }
         res.end('')
@@ -771,8 +771,8 @@ describe('webContents module', () => {
         const url = 'http://127.0.0.1:' + server.address().port + '/'
         w.webContents.once('did-finish-load', () => {
           w.webContents.once('new-window', (event, newUrl, frameName, disposition, options, features, referrer) => {
-            assert.equal(referrer.url, url)
-            assert.equal(referrer.policy, 'no-referrer-when-downgrade')
+            assert.strictEqual(referrer.url, url)
+            assert.strictEqual(referrer.policy, 'no-referrer-when-downgrade')
           })
           w.webContents.executeJavaScript('window.open(location.href + "should_have_referrer")')
         })
@@ -792,7 +792,7 @@ describe('webContents module', () => {
       })
       w.webContents.once('did-finish-load', () => {
         w.webContents.executeJavaScript('37 + 5', (result) => {
-          assert.equal(result, 42)
+          assert.strictEqual(result, 42)
           done()
         })
       })
diff --git a/spec/api-web-contents-view-spec.js b/spec/api-web-contents-view-spec.js
index b61ddb61638..7f2008a75e3 100644
--- a/spec/api-web-contents-view-spec.js
+++ b/spec/api-web-contents-view-spec.js
@@ -1,8 +1,8 @@
 'use strict'
 
 const assert = require('assert')
-const {closeWindow} = require('./window-helpers')
-const {webContents, TopLevelWindow, WebContentsView} = require('electron').remote
+const { closeWindow } = require('./window-helpers')
+const { webContents, TopLevelWindow, WebContentsView } = require('electron').remote
 
 describe('WebContentsView', () => {
   let w = null
@@ -10,13 +10,13 @@ describe('WebContentsView', () => {
 
   it('can be used as content view', () => {
     const web = webContents.create({})
-    w = new TopLevelWindow({show: false})
+    w = new TopLevelWindow({ show: false })
     w.setContentView(new WebContentsView(web))
   })
 
   it('prevents adding same WebContents', () => {
     const web = webContents.create({})
-    w = new TopLevelWindow({show: false})
+    w = new TopLevelWindow({ show: false })
     w.setContentView(new WebContentsView(web))
     assert.throws(() => {
       w.setContentView(new WebContentsView(web))
diff --git a/spec/api-web-frame-spec.js b/spec/api-web-frame-spec.js
index 9109b9529d8..79567990877 100644
--- a/spec/api-web-frame-spec.js
+++ b/spec/api-web-frame-spec.js
@@ -2,12 +2,12 @@ const assert = require('assert')
 const chai = require('chai')
 const dirtyChai = require('dirty-chai')
 const path = require('path')
-const {closeWindow} = require('./window-helpers')
-const {remote, webFrame} = require('electron')
-const {BrowserWindow, protocol, ipcMain} = remote
-const {emittedOnce} = require('./events-helpers')
+const { closeWindow } = require('./window-helpers')
+const { remote, webFrame } = require('electron')
+const { BrowserWindow, protocol, ipcMain } = remote
+const { emittedOnce } = require('./events-helpers')
 
-const {expect} = chai
+const { expect } = chai
 chai.use(dirtyChai)
 
 /* Most of the APIs here don't use standard callbacks */
@@ -109,7 +109,7 @@ describe('webFrame module', function () {
       runNumber++
 
       const url = standardScheme + '://fake-host'
-      w = new BrowserWindow({show: false})
+      w = new BrowserWindow({ show: false })
       after(function (done) {
         protocol.unregisterProtocol(corsScheme, function () {
           protocol.unregisterProtocol(standardScheme, function () {
@@ -119,7 +119,7 @@ describe('webFrame module', function () {
       })
 
       const handler = function (request, callback) {
-        callback({data: content, mimeType: 'text/html'})
+        callback({ data: content, mimeType: 'text/html' })
       }
       protocol.registerStringProtocol(standardScheme, handler, function (error) {
         if (error) return done(error)
@@ -130,7 +130,7 @@ describe('webFrame module', function () {
       }, function (error) {
         if (error) return done(error)
         ipcMain.once('response', function (event, status) {
-          assert.equal(status, expected)
+          assert.strictEqual(status, expected)
           done()
         })
         w.loadURL(url)
@@ -146,14 +146,14 @@ describe('webFrame module', function () {
   })
 
   it('calls a spellcheck provider', async () => {
-    w = new BrowserWindow({show: false})
+    w = new BrowserWindow({ show: false })
     w.loadFile(path.join(fixtures, 'pages', 'webframe-spell-check.html'))
     await emittedOnce(w.webContents, 'did-finish-load')
 
     const spellCheckerFeedback = emittedOnce(ipcMain, 'spec-spell-check')
     const misspelledWord = 'spleling'
     for (const keyCode of [...misspelledWord, ' ']) {
-      w.webContents.sendInputEvent({type: 'char', keyCode})
+      w.webContents.sendInputEvent({ type: 'char', keyCode })
     }
     const [, text] = await spellCheckerFeedback
     expect(text).to.equal(misspelledWord)
diff --git a/spec/api-web-request-spec.js b/spec/api-web-request-spec.js
index 7dc1f370ce8..1064cccea90 100644
--- a/spec/api-web-request-spec.js
+++ b/spec/api-web-request-spec.js
@@ -62,12 +62,12 @@ describe('webRequest module', () => {
     it('can filter URLs', (done) => {
       const filter = { urls: [defaultURL + 'filter/*'] }
       ses.webRequest.onBeforeRequest(filter, (details, callback) => {
-        callback({cancel: true})
+        callback({ cancel: true })
       })
       $.ajax({
         url: `${defaultURL}nofilter/test`,
         success: (data) => {
-          assert.equal(data, '/nofilter/test')
+          assert.strictEqual(data, '/nofilter/test')
           $.ajax({
             url: `${defaultURL}filter/test`,
             success: () => done('unexpected success'),
@@ -80,19 +80,19 @@ describe('webRequest module', () => {
 
     it('receives details object', (done) => {
       ses.webRequest.onBeforeRequest((details, callback) => {
-        assert.equal(typeof details.id, 'number')
-        assert.equal(typeof details.timestamp, 'number')
-        assert.equal(typeof details.webContentsId, 'number')
-        assert.equal(details.url, defaultURL)
-        assert.equal(details.method, 'GET')
-        assert.equal(details.resourceType, 'xhr')
+        assert.strictEqual(typeof details.id, 'number')
+        assert.strictEqual(typeof details.timestamp, 'number')
+        assert.strictEqual(typeof details.webContentsId, 'number')
+        assert.strictEqual(details.url, defaultURL)
+        assert.strictEqual(details.method, 'GET')
+        assert.strictEqual(details.resourceType, 'xhr')
         assert(!details.uploadData)
         callback({})
       })
       $.ajax({
         url: defaultURL,
         success: (data) => {
-          assert.equal(data, '/')
+          assert.strictEqual(data, '/')
           done()
         },
         error: (xhr, errorType) => done(errorType)
@@ -105,11 +105,11 @@ describe('webRequest module', () => {
         type: 'string'
       }
       ses.webRequest.onBeforeRequest((details, callback) => {
-        assert.equal(details.url, defaultURL)
-        assert.equal(details.method, 'POST')
-        assert.equal(details.uploadData.length, 1)
+        assert.strictEqual(details.url, defaultURL)
+        assert.strictEqual(details.method, 'POST')
+        assert.strictEqual(details.uploadData.length, 1)
         const data = qs.parse(details.uploadData[0].bytes.toString())
-        assert.deepEqual(data, postData)
+        assert.deepStrictEqual({ ...data }, postData)
         callback({ cancel: true })
       })
       $.ajax({
@@ -132,7 +132,7 @@ describe('webRequest module', () => {
       $.ajax({
         url: defaultURL,
         success: (data) => {
-          assert.equal(data, '/redirect')
+          assert.strictEqual(data, '/redirect')
           done()
         },
         error: (xhr, errorType) => done(errorType)
@@ -147,15 +147,15 @@ describe('webRequest module', () => {
 
     it('receives details object', (done) => {
       ses.webRequest.onBeforeSendHeaders((details, callback) => {
-        assert.equal(typeof details.requestHeaders, 'object')
-        assert.equal(details.requestHeaders['Foo.Bar'], 'baz')
+        assert.strictEqual(typeof details.requestHeaders, 'object')
+        assert.strictEqual(details.requestHeaders['Foo.Bar'], 'baz')
         callback({})
       })
       $.ajax({
         url: defaultURL,
         headers: { 'Foo.Bar': 'baz' },
         success: (data) => {
-          assert.equal(data, '/')
+          assert.strictEqual(data, '/')
           done()
         },
         error: (xhr, errorType) => done(errorType)
@@ -171,7 +171,7 @@ describe('webRequest module', () => {
       $.ajax({
         url: defaultURL,
         success: (data) => {
-          assert.equal(data, '/header/received')
+          assert.strictEqual(data, '/header/received')
           done()
         },
         error: (xhr, errorType) => done(errorType)
@@ -186,7 +186,7 @@ describe('webRequest module', () => {
         callback({ requestHeaders: requestHeaders })
       })
       ses.webRequest.onSendHeaders((details) => {
-        assert.deepEqual(details.requestHeaders, requestHeaders)
+        assert.deepStrictEqual(details.requestHeaders, requestHeaders)
         done()
       })
       $.ajax({
@@ -203,12 +203,12 @@ describe('webRequest module', () => {
 
     it('receives details object', (done) => {
       ses.webRequest.onSendHeaders((details) => {
-        assert.equal(typeof details.requestHeaders, 'object')
+        assert.strictEqual(typeof details.requestHeaders, 'object')
       })
       $.ajax({
         url: defaultURL,
         success: (data) => {
-          assert.equal(data, '/')
+          assert.strictEqual(data, '/')
           done()
         },
         error: (xhr, errorType) => done(errorType)
@@ -223,15 +223,15 @@ describe('webRequest module', () => {
 
     it('receives details object', (done) => {
       ses.webRequest.onHeadersReceived((details, callback) => {
-        assert.equal(details.statusLine, 'HTTP/1.1 200 OK')
-        assert.equal(details.statusCode, 200)
-        assert.equal(details.responseHeaders['Custom'], 'Header')
+        assert.strictEqual(details.statusLine, 'HTTP/1.1 200 OK')
+        assert.strictEqual(details.statusCode, 200)
+        assert.deepStrictEqual(details.responseHeaders['Custom'], ['Header'])
         callback({})
       })
       $.ajax({
         url: defaultURL,
         success: (data) => {
-          assert.equal(data, '/')
+          assert.strictEqual(data, '/')
           done()
         },
         error: (xhr, errorType) => done(errorType)
@@ -247,8 +247,8 @@ describe('webRequest module', () => {
       $.ajax({
         url: defaultURL,
         success: (data, status, xhr) => {
-          assert.equal(xhr.getResponseHeader('Custom'), 'Changed')
-          assert.equal(data, '/')
+          assert.strictEqual(xhr.getResponseHeader('Custom'), 'Changed')
+          assert.strictEqual(data, '/')
           done()
         },
         error: (xhr, errorType) => done(errorType)
@@ -262,8 +262,8 @@ describe('webRequest module', () => {
       $.ajax({
         url: defaultURL,
         success: (data, status, xhr) => {
-          assert.equal(xhr.getResponseHeader('Custom'), 'Header')
-          assert.equal(data, '/')
+          assert.strictEqual(xhr.getResponseHeader('Custom'), 'Header')
+          assert.strictEqual(data, '/')
           done()
         },
         error: (xhr, errorType) => done(errorType)
@@ -278,7 +278,7 @@ describe('webRequest module', () => {
       $.ajax({
         url: defaultURL + 'serverRedirect',
         success: (data, status, xhr) => {
-          assert.equal(xhr.getResponseHeader('Custom'), 'Header')
+          assert.strictEqual(xhr.getResponseHeader('Custom'), 'Header')
           done()
         },
         error: (xhr, errorType) => done(errorType)
@@ -297,7 +297,7 @@ describe('webRequest module', () => {
         url: defaultURL,
         success: (data, status, xhr) => {},
         error: (xhr, errorType) => {
-          assert.equal(xhr.getResponseHeader('Custom'), 'Header')
+          assert.strictEqual(xhr.getResponseHeader('Custom'), 'Header')
           done()
         }
       })
@@ -311,16 +311,16 @@ describe('webRequest module', () => {
 
     it('receives details object', (done) => {
       ses.webRequest.onResponseStarted((details) => {
-        assert.equal(typeof details.fromCache, 'boolean')
-        assert.equal(details.statusLine, 'HTTP/1.1 200 OK')
-        assert.equal(details.statusCode, 200)
-        assert.equal(details.responseHeaders['Custom'], 'Header')
+        assert.strictEqual(typeof details.fromCache, 'boolean')
+        assert.strictEqual(details.statusLine, 'HTTP/1.1 200 OK')
+        assert.strictEqual(details.statusCode, 200)
+        assert.deepStrictEqual(details.responseHeaders['Custom'], ['Header'])
       })
       $.ajax({
         url: defaultURL,
         success: (data, status, xhr) => {
-          assert.equal(xhr.getResponseHeader('Custom'), 'Header')
-          assert.equal(data, '/')
+          assert.strictEqual(xhr.getResponseHeader('Custom'), 'Header')
+          assert.strictEqual(data, '/')
           done()
         },
         error: (xhr, errorType) => done(errorType)
@@ -344,15 +344,15 @@ describe('webRequest module', () => {
         }
       })
       ses.webRequest.onBeforeRedirect((details) => {
-        assert.equal(typeof details.fromCache, 'boolean')
-        assert.equal(details.statusLine, 'HTTP/1.1 307 Internal Redirect')
-        assert.equal(details.statusCode, 307)
-        assert.equal(details.redirectURL, redirectURL)
+        assert.strictEqual(typeof details.fromCache, 'boolean')
+        assert.strictEqual(details.statusLine, 'HTTP/1.1 307 Internal Redirect')
+        assert.strictEqual(details.statusCode, 307)
+        assert.strictEqual(details.redirectURL, redirectURL)
       })
       $.ajax({
         url: defaultURL,
         success: (data) => {
-          assert.equal(data, '/redirect')
+          assert.strictEqual(data, '/redirect')
           done()
         },
         error: (xhr, errorType) => done(errorType)
@@ -367,14 +367,14 @@ describe('webRequest module', () => {
 
     it('receives details object', (done) => {
       ses.webRequest.onCompleted((details) => {
-        assert.equal(typeof details.fromCache, 'boolean')
-        assert.equal(details.statusLine, 'HTTP/1.1 200 OK')
-        assert.equal(details.statusCode, 200)
+        assert.strictEqual(typeof details.fromCache, 'boolean')
+        assert.strictEqual(details.statusLine, 'HTTP/1.1 200 OK')
+        assert.strictEqual(details.statusCode, 200)
       })
       $.ajax({
         url: defaultURL,
         success: (data) => {
-          assert.equal(data, '/')
+          assert.strictEqual(data, '/')
           done()
         },
         error: (xhr, errorType) => done(errorType)
@@ -393,7 +393,7 @@ describe('webRequest module', () => {
         callback({ cancel: true })
       })
       ses.webRequest.onErrorOccurred((details) => {
-        assert.equal(details.error, 'net::ERR_BLOCKED_BY_CLIENT')
+        assert.strictEqual(details.error, 'net::ERR_BLOCKED_BY_CLIENT')
         done()
       })
       $.ajax({
diff --git a/spec/asar-spec.js b/spec/asar-spec.js
index cb8ad1665cb..17e958ff6df 100644
--- a/spec/asar-spec.js
+++ b/spec/asar-spec.js
@@ -1,10 +1,10 @@
 const assert = require('assert')
 const ChildProcess = require('child_process')
-const {expect} = require('chai')
+const { expect } = require('chai')
 const fs = require('fs')
 const path = require('path')
 const util = require('util')
-const {closeWindow} = require('./window-helpers')
+const { closeWindow } = require('./window-helpers')
 
 const nativeImage = require('electron').nativeImage
 const remote = require('electron').remote
@@ -18,7 +18,7 @@ describe('asar package', function () {
   describe('node api', function () {
     it('supports paths specified as a Buffer', function () {
       var file = Buffer.from(path.join(fixtures, 'asar', 'a.asar', 'file1'))
-      assert.equal(fs.existsSync(file), true)
+      assert.strictEqual(fs.existsSync(file), true)
     })
 
     describe('fs.readFileSync', function () {
@@ -32,30 +32,30 @@ describe('asar package', function () {
 
       it('reads a normal file', function () {
         var file1 = path.join(fixtures, 'asar', 'a.asar', 'file1')
-        assert.equal(fs.readFileSync(file1).toString().trim(), 'file1')
+        assert.strictEqual(fs.readFileSync(file1).toString().trim(), 'file1')
         var file2 = path.join(fixtures, 'asar', 'a.asar', 'file2')
-        assert.equal(fs.readFileSync(file2).toString().trim(), 'file2')
+        assert.strictEqual(fs.readFileSync(file2).toString().trim(), 'file2')
         var file3 = path.join(fixtures, 'asar', 'a.asar', 'file3')
-        assert.equal(fs.readFileSync(file3).toString().trim(), 'file3')
+        assert.strictEqual(fs.readFileSync(file3).toString().trim(), 'file3')
       })
 
       it('reads from a empty file', function () {
         var file = path.join(fixtures, 'asar', 'empty.asar', 'file1')
         var buffer = fs.readFileSync(file)
-        assert.equal(buffer.length, 0)
-        assert.equal(buffer.toString(), '')
+        assert.strictEqual(buffer.length, 0)
+        assert.strictEqual(buffer.toString(), '')
       })
 
       it('reads a linked file', function () {
         var p = path.join(fixtures, 'asar', 'a.asar', 'link1')
-        assert.equal(fs.readFileSync(p).toString().trim(), 'file1')
+        assert.strictEqual(fs.readFileSync(p).toString().trim(), 'file1')
       })
 
       it('reads a file from linked directory', function () {
         var p = path.join(fixtures, 'asar', 'a.asar', 'link2', 'file1')
-        assert.equal(fs.readFileSync(p).toString().trim(), 'file1')
+        assert.strictEqual(fs.readFileSync(p).toString().trim(), 'file1')
         p = path.join(fixtures, 'asar', 'a.asar', 'link2', 'link2', 'file1')
-        assert.equal(fs.readFileSync(p).toString().trim(), 'file1')
+        assert.strictEqual(fs.readFileSync(p).toString().trim(), 'file1')
       })
 
       it('throws ENOENT error when can not find file', function () {
@@ -78,7 +78,7 @@ describe('asar package', function () {
 
       it('reads a normal file with unpacked files', function () {
         var p = path.join(fixtures, 'asar', 'unpack.asar', 'a.txt')
-        assert.equal(fs.readFileSync(p).toString().trim(), 'a')
+        assert.strictEqual(fs.readFileSync(p).toString().trim(), 'a')
       })
     })
 
@@ -86,8 +86,8 @@ describe('asar package', function () {
       it('reads a normal file', function (done) {
         var p = path.join(fixtures, 'asar', 'a.asar', 'file1')
         fs.readFile(p, function (err, content) {
-          assert.equal(err, null)
-          assert.equal(String(content).trim(), 'file1')
+          assert.strictEqual(err, null)
+          assert.strictEqual(String(content).trim(), 'file1')
           done()
         })
       })
@@ -95,8 +95,8 @@ describe('asar package', function () {
       it('reads from a empty file', function (done) {
         var p = path.join(fixtures, 'asar', 'empty.asar', 'file1')
         fs.readFile(p, function (err, content) {
-          assert.equal(err, null)
-          assert.equal(String(content), '')
+          assert.strictEqual(err, null)
+          assert.strictEqual(String(content), '')
           done()
         })
       })
@@ -104,8 +104,8 @@ describe('asar package', function () {
       it('reads from a empty file with encoding', function (done) {
         var p = path.join(fixtures, 'asar', 'empty.asar', 'file1')
         fs.readFile(p, 'utf8', function (err, content) {
-          assert.equal(err, null)
-          assert.equal(content, '')
+          assert.strictEqual(err, null)
+          assert.strictEqual(content, '')
           done()
         })
       })
@@ -113,8 +113,8 @@ describe('asar package', function () {
       it('reads a linked file', function (done) {
         var p = path.join(fixtures, 'asar', 'a.asar', 'link1')
         fs.readFile(p, function (err, content) {
-          assert.equal(err, null)
-          assert.equal(String(content).trim(), 'file1')
+          assert.strictEqual(err, null)
+          assert.strictEqual(String(content).trim(), 'file1')
           done()
         })
       })
@@ -122,8 +122,8 @@ describe('asar package', function () {
       it('reads a file from linked directory', function (done) {
         var p = path.join(fixtures, 'asar', 'a.asar', 'link2', 'link2', 'file1')
         fs.readFile(p, function (err, content) {
-          assert.equal(err, null)
-          assert.equal(String(content).trim(), 'file1')
+          assert.strictEqual(err, null)
+          assert.strictEqual(String(content).trim(), 'file1')
           done()
         })
       })
@@ -131,7 +131,7 @@ describe('asar package', function () {
       it('throws ENOENT error when can not find file', function (done) {
         var p = path.join(fixtures, 'asar', 'a.asar', 'not-exist')
         fs.readFile(p, function (err) {
-          assert.equal(err.code, 'ENOENT')
+          assert.strictEqual(err.code, 'ENOENT')
           done()
         })
       })
@@ -147,10 +147,10 @@ describe('asar package', function () {
       it('returns information of root', function () {
         var p = path.join(fixtures, 'asar', 'a.asar')
         var stats = fs.lstatSync(p)
-        assert.equal(stats.isFile(), false)
-        assert.equal(stats.isDirectory(), true)
-        assert.equal(stats.isSymbolicLink(), false)
-        assert.equal(stats.size, 0)
+        assert.strictEqual(stats.isFile(), false)
+        assert.strictEqual(stats.isDirectory(), true)
+        assert.strictEqual(stats.isSymbolicLink(), false)
+        assert.strictEqual(stats.size, 0)
       })
 
       it('returns information of a normal file', function () {
@@ -160,10 +160,10 @@ describe('asar package', function () {
           file = ref2[j]
           p = path.join(fixtures, 'asar', 'a.asar', file)
           stats = fs.lstatSync(p)
-          assert.equal(stats.isFile(), true)
-          assert.equal(stats.isDirectory(), false)
-          assert.equal(stats.isSymbolicLink(), false)
-          assert.equal(stats.size, 6)
+          assert.strictEqual(stats.isFile(), true)
+          assert.strictEqual(stats.isDirectory(), false)
+          assert.strictEqual(stats.isSymbolicLink(), false)
+          assert.strictEqual(stats.size, 6)
         }
       })
 
@@ -174,10 +174,10 @@ describe('asar package', function () {
           file = ref2[j]
           p = path.join(fixtures, 'asar', 'a.asar', file)
           stats = fs.lstatSync(p)
-          assert.equal(stats.isFile(), false)
-          assert.equal(stats.isDirectory(), true)
-          assert.equal(stats.isSymbolicLink(), false)
-          assert.equal(stats.size, 0)
+          assert.strictEqual(stats.isFile(), false)
+          assert.strictEqual(stats.isDirectory(), true)
+          assert.strictEqual(stats.isSymbolicLink(), false)
+          assert.strictEqual(stats.size, 0)
         }
       })
 
@@ -188,10 +188,10 @@ describe('asar package', function () {
           file = ref2[j]
           p = path.join(fixtures, 'asar', 'a.asar', file)
           stats = fs.lstatSync(p)
-          assert.equal(stats.isFile(), false)
-          assert.equal(stats.isDirectory(), false)
-          assert.equal(stats.isSymbolicLink(), true)
-          assert.equal(stats.size, 0)
+          assert.strictEqual(stats.isFile(), false)
+          assert.strictEqual(stats.isDirectory(), false)
+          assert.strictEqual(stats.isSymbolicLink(), true)
+          assert.strictEqual(stats.size, 0)
         }
       })
 
@@ -202,10 +202,10 @@ describe('asar package', function () {
           file = ref2[j]
           p = path.join(fixtures, 'asar', 'a.asar', file)
           stats = fs.lstatSync(p)
-          assert.equal(stats.isFile(), false)
-          assert.equal(stats.isDirectory(), false)
-          assert.equal(stats.isSymbolicLink(), true)
-          assert.equal(stats.size, 0)
+          assert.strictEqual(stats.isFile(), false)
+          assert.strictEqual(stats.isDirectory(), false)
+          assert.strictEqual(stats.isSymbolicLink(), true)
+          assert.strictEqual(stats.size, 0)
         }
       })
 
@@ -232,11 +232,11 @@ describe('asar package', function () {
       it('returns information of root', function (done) {
         var p = path.join(fixtures, 'asar', 'a.asar')
         fs.lstat(p, function (err, stats) {
-          assert.equal(err, null)
-          assert.equal(stats.isFile(), false)
-          assert.equal(stats.isDirectory(), true)
-          assert.equal(stats.isSymbolicLink(), false)
-          assert.equal(stats.size, 0)
+          assert.strictEqual(err, null)
+          assert.strictEqual(stats.isFile(), false)
+          assert.strictEqual(stats.isDirectory(), true)
+          assert.strictEqual(stats.isSymbolicLink(), false)
+          assert.strictEqual(stats.size, 0)
           done()
         })
       })
@@ -244,11 +244,11 @@ describe('asar package', function () {
       it('returns information of a normal file', function (done) {
         var p = path.join(fixtures, 'asar', 'a.asar', 'link2', 'file1')
         fs.lstat(p, function (err, stats) {
-          assert.equal(err, null)
-          assert.equal(stats.isFile(), true)
-          assert.equal(stats.isDirectory(), false)
-          assert.equal(stats.isSymbolicLink(), false)
-          assert.equal(stats.size, 6)
+          assert.strictEqual(err, null)
+          assert.strictEqual(stats.isFile(), true)
+          assert.strictEqual(stats.isDirectory(), false)
+          assert.strictEqual(stats.isSymbolicLink(), false)
+          assert.strictEqual(stats.size, 6)
           done()
         })
       })
@@ -256,11 +256,11 @@ describe('asar package', function () {
       it('returns information of a normal directory', function (done) {
         var p = path.join(fixtures, 'asar', 'a.asar', 'dir1')
         fs.lstat(p, function (err, stats) {
-          assert.equal(err, null)
-          assert.equal(stats.isFile(), false)
-          assert.equal(stats.isDirectory(), true)
-          assert.equal(stats.isSymbolicLink(), false)
-          assert.equal(stats.size, 0)
+          assert.strictEqual(err, null)
+          assert.strictEqual(stats.isFile(), false)
+          assert.strictEqual(stats.isDirectory(), true)
+          assert.strictEqual(stats.isSymbolicLink(), false)
+          assert.strictEqual(stats.size, 0)
           done()
         })
       })
@@ -268,11 +268,11 @@ describe('asar package', function () {
       it('returns information of a linked file', function (done) {
         var p = path.join(fixtures, 'asar', 'a.asar', 'link2', 'link1')
         fs.lstat(p, function (err, stats) {
-          assert.equal(err, null)
-          assert.equal(stats.isFile(), false)
-          assert.equal(stats.isDirectory(), false)
-          assert.equal(stats.isSymbolicLink(), true)
-          assert.equal(stats.size, 0)
+          assert.strictEqual(err, null)
+          assert.strictEqual(stats.isFile(), false)
+          assert.strictEqual(stats.isDirectory(), false)
+          assert.strictEqual(stats.isSymbolicLink(), true)
+          assert.strictEqual(stats.size, 0)
           done()
         })
       })
@@ -280,11 +280,11 @@ describe('asar package', function () {
       it('returns information of a linked directory', function (done) {
         var p = path.join(fixtures, 'asar', 'a.asar', 'link2', 'link2')
         fs.lstat(p, function (err, stats) {
-          assert.equal(err, null)
-          assert.equal(stats.isFile(), false)
-          assert.equal(stats.isDirectory(), false)
-          assert.equal(stats.isSymbolicLink(), true)
-          assert.equal(stats.size, 0)
+          assert.strictEqual(err, null)
+          assert.strictEqual(stats.isFile(), false)
+          assert.strictEqual(stats.isDirectory(), false)
+          assert.strictEqual(stats.isSymbolicLink(), true)
+          assert.strictEqual(stats.size, 0)
           done()
         })
       })
@@ -292,7 +292,7 @@ describe('asar package', function () {
       it('throws ENOENT error when can not find file', function (done) {
         var p = path.join(fixtures, 'asar', 'a.asar', 'file4')
         fs.lstat(p, function (err) {
-          assert.equal(err.code, 'ENOENT')
+          assert.strictEqual(err.code, 'ENOENT')
           done()
         })
       })
@@ -303,42 +303,42 @@ describe('asar package', function () {
         const parent = fs.realpathSync(path.join(fixtures, 'asar'))
         const p = 'a.asar'
         const r = fs.realpathSync(path.join(parent, p))
-        assert.equal(r, path.join(parent, p))
+        assert.strictEqual(r, path.join(parent, p))
       })
 
       it('returns real path of a normal file', () => {
         const parent = fs.realpathSync(path.join(fixtures, 'asar'))
         const p = path.join('a.asar', 'file1')
         const r = fs.realpathSync(path.join(parent, p))
-        assert.equal(r, path.join(parent, p))
+        assert.strictEqual(r, path.join(parent, p))
       })
 
       it('returns real path of a normal directory', () => {
         const parent = fs.realpathSync(path.join(fixtures, 'asar'))
         const p = path.join('a.asar', 'dir1')
         const r = fs.realpathSync(path.join(parent, p))
-        assert.equal(r, path.join(parent, p))
+        assert.strictEqual(r, path.join(parent, p))
       })
 
       it('returns real path of a linked file', () => {
         const parent = fs.realpathSync(path.join(fixtures, 'asar'))
         const p = path.join('a.asar', 'link2', 'link1')
         const r = fs.realpathSync(path.join(parent, p))
-        assert.equal(r, path.join(parent, 'a.asar', 'file1'))
+        assert.strictEqual(r, path.join(parent, 'a.asar', 'file1'))
       })
 
       it('returns real path of a linked directory', () => {
         const parent = fs.realpathSync(path.join(fixtures, 'asar'))
         const p = path.join('a.asar', 'link2', 'link2')
         const r = fs.realpathSync(path.join(parent, p))
-        assert.equal(r, path.join(parent, 'a.asar', 'dir1'))
+        assert.strictEqual(r, path.join(parent, 'a.asar', 'dir1'))
       })
 
       it('returns real path of an unpacked file', () => {
         const parent = fs.realpathSync(path.join(fixtures, 'asar'))
         const p = path.join('unpack.asar', 'a.txt')
         const r = fs.realpathSync(path.join(parent, p))
-        assert.equal(r, path.join(parent, p))
+        assert.strictEqual(r, path.join(parent, p))
       })
 
       it('throws ENOENT error when can not find file', () => {
@@ -354,42 +354,42 @@ describe('asar package', function () {
         const parent = fs.realpathSync.native(path.join(fixtures, 'asar'))
         const p = 'a.asar'
         const r = fs.realpathSync.native(path.join(parent, p))
-        assert.equal(r, path.join(parent, p))
+        assert.strictEqual(r, path.join(parent, p))
       })
 
       it('returns real path of a normal file', () => {
         const parent = fs.realpathSync.native(path.join(fixtures, 'asar'))
         const p = path.join('a.asar', 'file1')
         const r = fs.realpathSync.native(path.join(parent, p))
-        assert.equal(r, path.join(parent, p))
+        assert.strictEqual(r, path.join(parent, p))
       })
 
       it('returns real path of a normal directory', () => {
         const parent = fs.realpathSync.native(path.join(fixtures, 'asar'))
         const p = path.join('a.asar', 'dir1')
         const r = fs.realpathSync.native(path.join(parent, p))
-        assert.equal(r, path.join(parent, p))
+        assert.strictEqual(r, path.join(parent, p))
       })
 
       it('returns real path of a linked file', () => {
         const parent = fs.realpathSync.native(path.join(fixtures, 'asar'))
         const p = path.join('a.asar', 'link2', 'link1')
         const r = fs.realpathSync.native(path.join(parent, p))
-        assert.equal(r, path.join(parent, 'a.asar', 'file1'))
+        assert.strictEqual(r, path.join(parent, 'a.asar', 'file1'))
       })
 
       it('returns real path of a linked directory', () => {
         const parent = fs.realpathSync.native(path.join(fixtures, 'asar'))
         const p = path.join('a.asar', 'link2', 'link2')
         const r = fs.realpathSync.native(path.join(parent, p))
-        assert.equal(r, path.join(parent, 'a.asar', 'dir1'))
+        assert.strictEqual(r, path.join(parent, 'a.asar', 'dir1'))
       })
 
       it('returns real path of an unpacked file', () => {
         const parent = fs.realpathSync.native(path.join(fixtures, 'asar'))
         const p = path.join('unpack.asar', 'a.txt')
         const r = fs.realpathSync.native(path.join(parent, p))
-        assert.equal(r, path.join(parent, p))
+        assert.strictEqual(r, path.join(parent, p))
       })
 
       it('throws ENOENT error when can not find file', () => {
@@ -405,8 +405,8 @@ describe('asar package', function () {
         const parent = fs.realpathSync(path.join(fixtures, 'asar'))
         const p = 'a.asar'
         fs.realpath(path.join(parent, p), (err, r) => {
-          assert.equal(err, null)
-          assert.equal(r, path.join(parent, p))
+          assert.strictEqual(err, null)
+          assert.strictEqual(r, path.join(parent, p))
           done()
         })
       })
@@ -415,8 +415,8 @@ describe('asar package', function () {
         const parent = fs.realpathSync(path.join(fixtures, 'asar'))
         const p = path.join('a.asar', 'file1')
         fs.realpath(path.join(parent, p), (err, r) => {
-          assert.equal(err, null)
-          assert.equal(r, path.join(parent, p))
+          assert.strictEqual(err, null)
+          assert.strictEqual(r, path.join(parent, p))
           done()
         })
       })
@@ -425,8 +425,8 @@ describe('asar package', function () {
         const parent = fs.realpathSync(path.join(fixtures, 'asar'))
         const p = path.join('a.asar', 'dir1')
         fs.realpath(path.join(parent, p), (err, r) => {
-          assert.equal(err, null)
-          assert.equal(r, path.join(parent, p))
+          assert.strictEqual(err, null)
+          assert.strictEqual(r, path.join(parent, p))
           done()
         })
       })
@@ -435,8 +435,8 @@ describe('asar package', function () {
         const parent = fs.realpathSync(path.join(fixtures, 'asar'))
         const p = path.join('a.asar', 'link2', 'link1')
         fs.realpath(path.join(parent, p), (err, r) => {
-          assert.equal(err, null)
-          assert.equal(r, path.join(parent, 'a.asar', 'file1'))
+          assert.strictEqual(err, null)
+          assert.strictEqual(r, path.join(parent, 'a.asar', 'file1'))
           done()
         })
       })
@@ -445,8 +445,8 @@ describe('asar package', function () {
         const parent = fs.realpathSync(path.join(fixtures, 'asar'))
         const p = path.join('a.asar', 'link2', 'link2')
         fs.realpath(path.join(parent, p), (err, r) => {
-          assert.equal(err, null)
-          assert.equal(r, path.join(parent, 'a.asar', 'dir1'))
+          assert.strictEqual(err, null)
+          assert.strictEqual(r, path.join(parent, 'a.asar', 'dir1'))
           done()
         })
       })
@@ -455,8 +455,8 @@ describe('asar package', function () {
         const parent = fs.realpathSync(path.join(fixtures, 'asar'))
         const p = path.join('unpack.asar', 'a.txt')
         fs.realpath(path.join(parent, p), (err, r) => {
-          assert.equal(err, null)
-          assert.equal(r, path.join(parent, p))
+          assert.strictEqual(err, null)
+          assert.strictEqual(r, path.join(parent, p))
           done()
         })
       })
@@ -465,7 +465,7 @@ describe('asar package', function () {
         const parent = fs.realpathSync(path.join(fixtures, 'asar'))
         const p = path.join('a.asar', 'not-exist')
         fs.realpath(path.join(parent, p), err => {
-          assert.equal(err.code, 'ENOENT')
+          assert.strictEqual(err.code, 'ENOENT')
           done()
         })
       })
@@ -476,8 +476,8 @@ describe('asar package', function () {
         const parent = fs.realpathSync.native(path.join(fixtures, 'asar'))
         const p = 'a.asar'
         fs.realpath.native(path.join(parent, p), (err, r) => {
-          assert.equal(err, null)
-          assert.equal(r, path.join(parent, p))
+          assert.strictEqual(err, null)
+          assert.strictEqual(r, path.join(parent, p))
           done()
         })
       })
@@ -486,8 +486,8 @@ describe('asar package', function () {
         const parent = fs.realpathSync.native(path.join(fixtures, 'asar'))
         const p = path.join('a.asar', 'file1')
         fs.realpath.native(path.join(parent, p), (err, r) => {
-          assert.equal(err, null)
-          assert.equal(r, path.join(parent, p))
+          assert.strictEqual(err, null)
+          assert.strictEqual(r, path.join(parent, p))
           done()
         })
       })
@@ -496,8 +496,8 @@ describe('asar package', function () {
         const parent = fs.realpathSync.native(path.join(fixtures, 'asar'))
         const p = path.join('a.asar', 'dir1')
         fs.realpath.native(path.join(parent, p), (err, r) => {
-          assert.equal(err, null)
-          assert.equal(r, path.join(parent, p))
+          assert.strictEqual(err, null)
+          assert.strictEqual(r, path.join(parent, p))
           done()
         })
       })
@@ -506,8 +506,8 @@ describe('asar package', function () {
         const parent = fs.realpathSync.native(path.join(fixtures, 'asar'))
         const p = path.join('a.asar', 'link2', 'link1')
         fs.realpath.native(path.join(parent, p), (err, r) => {
-          assert.equal(err, null)
-          assert.equal(r, path.join(parent, 'a.asar', 'file1'))
+          assert.strictEqual(err, null)
+          assert.strictEqual(r, path.join(parent, 'a.asar', 'file1'))
           done()
         })
       })
@@ -516,8 +516,8 @@ describe('asar package', function () {
         const parent = fs.realpathSync.native(path.join(fixtures, 'asar'))
         const p = path.join('a.asar', 'link2', 'link2')
         fs.realpath.native(path.join(parent, p), (err, r) => {
-          assert.equal(err, null)
-          assert.equal(r, path.join(parent, 'a.asar', 'dir1'))
+          assert.strictEqual(err, null)
+          assert.strictEqual(r, path.join(parent, 'a.asar', 'dir1'))
           done()
         })
       })
@@ -526,8 +526,8 @@ describe('asar package', function () {
         const parent = fs.realpathSync.native(path.join(fixtures, 'asar'))
         const p = path.join('unpack.asar', 'a.txt')
         fs.realpath.native(path.join(parent, p), (err, r) => {
-          assert.equal(err, null)
-          assert.equal(r, path.join(parent, p))
+          assert.strictEqual(err, null)
+          assert.strictEqual(r, path.join(parent, p))
           done()
         })
       })
@@ -536,7 +536,7 @@ describe('asar package', function () {
         const parent = fs.realpathSync.native(path.join(fixtures, 'asar'))
         const p = path.join('a.asar', 'not-exist')
         fs.realpath.native(path.join(parent, p), err => {
-          assert.equal(err.code, 'ENOENT')
+          assert.strictEqual(err.code, 'ENOENT')
           done()
         })
       })
@@ -546,19 +546,19 @@ describe('asar package', function () {
       it('reads dirs from root', function () {
         var p = path.join(fixtures, 'asar', 'a.asar')
         var dirs = fs.readdirSync(p)
-        assert.deepEqual(dirs, ['dir1', 'dir2', 'dir3', 'file1', 'file2', 'file3', 'link1', 'link2', 'ping.js'])
+        assert.deepStrictEqual(dirs, ['dir1', 'dir2', 'dir3', 'file1', 'file2', 'file3', 'link1', 'link2', 'ping.js'])
       })
 
       it('reads dirs from a normal dir', function () {
         var p = path.join(fixtures, 'asar', 'a.asar', 'dir1')
         var dirs = fs.readdirSync(p)
-        assert.deepEqual(dirs, ['file1', 'file2', 'file3', 'link1', 'link2'])
+        assert.deepStrictEqual(dirs, ['file1', 'file2', 'file3', 'link1', 'link2'])
       })
 
       it('reads dirs from a linked dir', function () {
         var p = path.join(fixtures, 'asar', 'a.asar', 'link2', 'link2')
         var dirs = fs.readdirSync(p)
-        assert.deepEqual(dirs, ['file1', 'file2', 'file3', 'link1', 'link2'])
+        assert.deepStrictEqual(dirs, ['file1', 'file2', 'file3', 'link1', 'link2'])
       })
 
       it('throws ENOENT error when can not find file', function () {
@@ -574,8 +574,8 @@ describe('asar package', function () {
       it('reads dirs from root', function (done) {
         var p = path.join(fixtures, 'asar', 'a.asar')
         fs.readdir(p, function (err, dirs) {
-          assert.equal(err, null)
-          assert.deepEqual(dirs, ['dir1', 'dir2', 'dir3', 'file1', 'file2', 'file3', 'link1', 'link2', 'ping.js'])
+          assert.strictEqual(err, null)
+          assert.deepStrictEqual(dirs, ['dir1', 'dir2', 'dir3', 'file1', 'file2', 'file3', 'link1', 'link2', 'ping.js'])
           done()
         })
       })
@@ -583,16 +583,16 @@ describe('asar package', function () {
       it('reads dirs from a normal dir', function (done) {
         var p = path.join(fixtures, 'asar', 'a.asar', 'dir1')
         fs.readdir(p, function (err, dirs) {
-          assert.equal(err, null)
-          assert.deepEqual(dirs, ['file1', 'file2', 'file3', 'link1', 'link2'])
+          assert.strictEqual(err, null)
+          assert.deepStrictEqual(dirs, ['file1', 'file2', 'file3', 'link1', 'link2'])
           done()
         })
       })
       it('reads dirs from a linked dir', function (done) {
         var p = path.join(fixtures, 'asar', 'a.asar', 'link2', 'link2')
         fs.readdir(p, function (err, dirs) {
-          assert.equal(err, null)
-          assert.deepEqual(dirs, ['file1', 'file2', 'file3', 'link1', 'link2'])
+          assert.strictEqual(err, null)
+          assert.deepStrictEqual(dirs, ['file1', 'file2', 'file3', 'link1', 'link2'])
           done()
         })
       })
@@ -600,7 +600,7 @@ describe('asar package', function () {
       it('throws ENOENT error when can not find file', function (done) {
         var p = path.join(fixtures, 'asar', 'a.asar', 'not-exist')
         fs.readdir(p, function (err) {
-          assert.equal(err.code, 'ENOENT')
+          assert.strictEqual(err.code, 'ENOENT')
           done()
         })
       })
@@ -616,7 +616,7 @@ describe('asar package', function () {
           fd = fs.openSync(p, 'r')
           buffer = Buffer.alloc(6)
           fs.readSync(fd, buffer, 0, 6, 0)
-          assert.equal(String(buffer).trim(), 'file1')
+          assert.strictEqual(String(buffer).trim(), 'file1')
           fs.closeSync(fd)
         }
       })
@@ -634,11 +634,11 @@ describe('asar package', function () {
       it('opens a normal file', function (done) {
         var p = path.join(fixtures, 'asar', 'a.asar', 'file1')
         fs.open(p, 'r', function (err, fd) {
-          assert.equal(err, null)
+          assert.strictEqual(err, null)
           var buffer = Buffer.alloc(6)
           fs.read(fd, buffer, 0, 6, 0, function (err) {
-            assert.equal(err, null)
-            assert.equal(String(buffer).trim(), 'file1')
+            assert.strictEqual(err, null)
+            assert.strictEqual(String(buffer).trim(), 'file1')
             fs.close(fd, done)
           })
         })
@@ -647,7 +647,7 @@ describe('asar package', function () {
       it('throws ENOENT error when can not find file', function (done) {
         var p = path.join(fixtures, 'asar', 'a.asar', 'not-exist')
         fs.open(p, 'r', function (err) {
-          assert.equal(err.code, 'ENOENT')
+          assert.strictEqual(err.code, 'ENOENT')
           done()
         })
       })
@@ -657,7 +657,7 @@ describe('asar package', function () {
       it('throws error when calling inside asar archive', function (done) {
         var p = path.join(fixtures, 'asar', 'a.asar', 'not-exist')
         fs.mkdir(p, function (err) {
-          assert.equal(err.code, 'ENOTDIR')
+          assert.strictEqual(err.code, 'ENOTDIR')
           done()
         })
       })
@@ -677,7 +677,7 @@ describe('asar package', function () {
         var p = path.join(fixtures, 'asar', 'a.asar', 'file1')
         // eslint-disable-next-line
         fs.exists(p, function (exists) {
-          assert.equal(exists, true)
+          assert.strictEqual(exists, true)
           done()
         })
       })
@@ -686,7 +686,7 @@ describe('asar package', function () {
         var p = path.join(fixtures, 'asar', 'a.asar', 'not-exist')
         // eslint-disable-next-line
         fs.exists(p, function (exists) {
-          assert.equal(exists, false)
+          assert.strictEqual(exists, false)
           done()
         })
       })
@@ -695,7 +695,7 @@ describe('asar package', function () {
         var p = path.join(fixtures, 'asar', 'a.asar', 'file1')
         // eslint-disable-next-line
         util.promisify(fs.exists)(p).then(exists => {
-          assert.equal(exists, true)
+          assert.strictEqual(exists, true)
           done()
         })
       })
@@ -704,7 +704,7 @@ describe('asar package', function () {
         var p = path.join(fixtures, 'asar', 'a.asar', 'not-exist')
         // eslint-disable-next-line
         util.promisify(fs.exists)(p).then(exists => {
-          assert.equal(exists, false)
+          assert.strictEqual(exists, false)
           done()
         })
       })
@@ -714,14 +714,14 @@ describe('asar package', function () {
       it('handles an existing file', function () {
         var p = path.join(fixtures, 'asar', 'a.asar', 'file1')
         assert.doesNotThrow(function () {
-          assert.equal(fs.existsSync(p), true)
+          assert.strictEqual(fs.existsSync(p), true)
         })
       })
 
       it('handles a non-existent file', function () {
         var p = path.join(fixtures, 'asar', 'a.asar', 'not-exist')
         assert.doesNotThrow(function () {
-          assert.equal(fs.existsSync(p), false)
+          assert.strictEqual(fs.existsSync(p), false)
         })
       })
     })
@@ -738,7 +738,7 @@ describe('asar package', function () {
       it('throws an error when called with write mode', function (done) {
         var p = path.join(fixtures, 'asar', 'a.asar', 'file1')
         fs.access(p, fs.constants.R_OK | fs.constants.W_OK, function (err) {
-          assert.equal(err.code, 'EACCES')
+          assert.strictEqual(err.code, 'EACCES')
           done()
         })
       })
@@ -746,7 +746,7 @@ describe('asar package', function () {
       it('throws an error when called on non-existent file', function (done) {
         var p = path.join(fixtures, 'asar', 'a.asar', 'not-exist')
         fs.access(p, function (err) {
-          assert.equal(err.code, 'ENOENT')
+          assert.strictEqual(err.code, 'ENOENT')
           done()
         })
       })
@@ -794,7 +794,7 @@ describe('asar package', function () {
       it('opens a normal js file', function (done) {
         var child = ChildProcess.fork(path.join(fixtures, 'asar', 'a.asar', 'ping.js'))
         child.on('message', function (msg) {
-          assert.equal(msg, 'message')
+          assert.strictEqual(msg, 'message')
           done()
         })
         child.send('message')
@@ -804,7 +804,7 @@ describe('asar package', function () {
         var file = path.join(fixtures, 'asar', 'a.asar', 'file1')
         var child = ChildProcess.fork(path.join(fixtures, 'module', 'asar.js'))
         child.on('message', function (content) {
-          assert.equal(content, fs.readFileSync(file).toString())
+          assert.strictEqual(content, fs.readFileSync(file).toString())
           done()
         })
         child.send(file)
@@ -816,15 +816,15 @@ describe('asar package', function () {
 
       it('should not try to extract the command if there is a reference to a file inside an .asar', function (done) {
         ChildProcess.exec('echo ' + echo + ' foo bar', function (error, stdout) {
-          assert.equal(error, null)
-          assert.equal(stdout.toString().replace(/\r/g, ''), echo + ' foo bar\n')
+          assert.strictEqual(error, null)
+          assert.strictEqual(stdout.toString().replace(/\r/g, ''), echo + ' foo bar\n')
           done()
         })
       })
 
       it('can be promisified', () => {
         return util.promisify(ChildProcess.exec)('echo ' + echo + ' foo bar').then(({ stdout }) => {
-          assert.equal(stdout.toString().replace(/\r/g, ''), echo + ' foo bar\n')
+          assert.strictEqual(stdout.toString().replace(/\r/g, ''), echo + ' foo bar\n')
         })
       })
     })
@@ -834,7 +834,7 @@ describe('asar package', function () {
 
       it('should not try to extract the command if there is a reference to a file inside an .asar', function (done) {
         var stdout = ChildProcess.execSync('echo ' + echo + ' foo bar')
-        assert.equal(stdout.toString().replace(/\r/g, ''), echo + ' foo bar\n')
+        assert.strictEqual(stdout.toString().replace(/\r/g, ''), echo + ' foo bar\n')
         done()
       })
     })
@@ -853,20 +853,20 @@ describe('asar package', function () {
 
       it('executes binaries', function (done) {
         execFile(echo, ['test'], function (error, stdout) {
-          assert.equal(error, null)
-          assert.equal(stdout, 'test\n')
+          assert.strictEqual(error, null)
+          assert.strictEqual(stdout, 'test\n')
           done()
         })
       })
 
       xit('execFileSync executes binaries', function () {
         var output = execFileSync(echo, ['test'])
-        assert.equal(String(output), 'test\n')
+        assert.strictEqual(String(output), 'test\n')
       })
 
       it('can be promisified', () => {
         return util.promisify(ChildProcess.execFile)(echo, ['test']).then(({ stdout }) => {
-          assert.equal(stdout, 'test\n')
+          assert.strictEqual(stdout, 'test\n')
         })
       })
     })
@@ -876,23 +876,23 @@ describe('asar package', function () {
 
       it('read a normal file', function () {
         var file1 = path.join(fixtures, 'asar', 'a.asar', 'file1')
-        assert.equal(internalModuleReadJSON(file1).toString().trim(), 'file1')
+        assert.strictEqual(internalModuleReadJSON(file1).toString().trim(), 'file1')
         var file2 = path.join(fixtures, 'asar', 'a.asar', 'file2')
-        assert.equal(internalModuleReadJSON(file2).toString().trim(), 'file2')
+        assert.strictEqual(internalModuleReadJSON(file2).toString().trim(), 'file2')
         var file3 = path.join(fixtures, 'asar', 'a.asar', 'file3')
-        assert.equal(internalModuleReadJSON(file3).toString().trim(), 'file3')
+        assert.strictEqual(internalModuleReadJSON(file3).toString().trim(), 'file3')
       })
 
       it('reads a normal file with unpacked files', function () {
         var p = path.join(fixtures, 'asar', 'unpack.asar', 'a.txt')
-        assert.equal(internalModuleReadJSON(p).toString().trim(), 'a')
+        assert.strictEqual(internalModuleReadJSON(p).toString().trim(), 'a')
       })
     })
 
     describe('util.promisify', function () {
       it('can promisify all fs functions', function () {
         const originalFs = require('original-fs')
-        const {hasOwnProperty} = Object.prototype
+        const { hasOwnProperty } = Object.prototype
 
         for (const [propertyName, originalValue] of Object.entries(originalFs)) {
           // Some properties exist but have a value of `undefined` on some platforms.
@@ -903,7 +903,7 @@ describe('asar package', function () {
 
           if (hasOwnProperty.call(originalValue, util.promisify.custom)) {
             expect(fs).to.have.own.property(propertyName)
-                .that.has.own.property(util.promisify.custom)
+              .that.has.own.property(util.promisify.custom)
           }
         }
       })
@@ -941,13 +941,13 @@ describe('asar package', function () {
         var file = path.join(fixtures, 'asar', 'a.asar', 'file1')
         var dir = path.join(fixtures, 'asar', 'a.asar', 'dir1')
         fs.readFile(file, function (error) {
-          assert.equal(error.code, errorName)
+          assert.strictEqual(error.code, errorName)
           fs.lstat(file, function (error) {
-            assert.equal(error.code, errorName)
+            assert.strictEqual(error.code, errorName)
             fs.realpath(file, function (error) {
-              assert.equal(error.code, errorName)
+              assert.strictEqual(error.code, errorName)
               fs.readdir(dir, function (error) {
-                assert.equal(error.code, errorName)
+                assert.strictEqual(error.code, errorName)
                 done()
               })
             })
@@ -960,7 +960,7 @@ describe('asar package', function () {
         var asar = path.join(fixtures, 'asar', 'a.asar')
         var content1 = fs.readFileSync(asar)
         var content2 = originalFs.readFileSync(asar)
-        assert.equal(content1.compare(content2), 0)
+        assert.strictEqual(content1.compare(content2), 0)
         assert.throws(function () {
           fs.readdirSync(asar)
         }, /ENOTDIR/)
@@ -971,7 +971,7 @@ describe('asar package', function () {
         assert.throws(function () {
           ChildProcess.execSync(path.join(__dirname, 'does-not-exist.txt'))
         })
-        assert.equal(process.noAsar, false)
+        assert.strictEqual(process.noAsar, false)
       })
     })
 
@@ -983,8 +983,8 @@ describe('asar package', function () {
           }
         })
         forked.on('message', function (stats) {
-          assert.equal(stats.isFile, true)
-          assert.equal(stats.size, 778)
+          assert.strictEqual(stats.isFile, true)
+          assert.strictEqual(stats.size, 778)
           done()
         })
       })
@@ -1003,8 +1003,8 @@ describe('asar package', function () {
         })
         spawned.stdout.on('close', function () {
           const stats = JSON.parse(output)
-          assert.equal(stats.isFile, true)
-          assert.equal(stats.size, 778)
+          assert.strictEqual(stats.isFile, true)
+          assert.strictEqual(stats.size, 778)
           done()
         })
       })
@@ -1021,7 +1021,7 @@ describe('asar package', function () {
     it('can request a file in package', function (done) {
       var p = path.resolve(fixtures, 'asar', 'a.asar', 'file1')
       $.get('file://' + p, function (data) {
-        assert.equal(data.trim(), 'file1')
+        assert.strictEqual(data.trim(), 'file1')
         done()
       })
     })
@@ -1029,7 +1029,7 @@ describe('asar package', function () {
     it('can request a file in package with unpacked files', function (done) {
       var p = path.resolve(fixtures, 'asar', 'unpack.asar', 'a.txt')
       $.get('file://' + p, function (data) {
-        assert.equal(data.trim(), 'a')
+        assert.strictEqual(data.trim(), 'a')
         done()
       })
     })
@@ -1037,7 +1037,7 @@ describe('asar package', function () {
     it('can request a linked file in package', function (done) {
       var p = path.resolve(fixtures, 'asar', 'a.asar', 'link2', 'link1')
       $.get('file://' + p, function (data) {
-        assert.equal(data.trim(), 'file1')
+        assert.strictEqual(data.trim(), 'file1')
         done()
       })
     })
@@ -1045,7 +1045,7 @@ describe('asar package', function () {
     it('can request a file in filesystem', function (done) {
       var p = path.resolve(fixtures, 'asar', 'file')
       $.get('file://' + p, function (data) {
-        assert.equal(data.trim(), 'file')
+        assert.strictEqual(data.trim(), 'file')
         done()
       })
     })
@@ -1055,7 +1055,7 @@ describe('asar package', function () {
       $.ajax({
         url: 'file://' + p,
         error: function (err) {
-          assert.equal(err.status, 404)
+          assert.strictEqual(err.status, 404)
           done()
         }
       })
@@ -1073,7 +1073,7 @@ describe('asar package', function () {
       })
       var p = path.resolve(fixtures, 'asar', 'web.asar', 'index.html')
       ipcMain.once('dirname', function (event, dirname) {
-        assert.equal(dirname, path.dirname(p))
+        assert.strictEqual(dirname, path.dirname(p))
         done()
       })
       w.loadFile(p)
@@ -1092,7 +1092,7 @@ describe('asar package', function () {
       var p = path.resolve(fixtures, 'asar', 'script.asar', 'index.html')
       w.loadFile(p)
       ipcMain.once('ping', function (event, message) {
-        assert.equal(message, 'pong')
+        assert.strictEqual(message, 'pong')
         done()
       })
     })
@@ -1134,7 +1134,7 @@ describe('asar package', function () {
     it('is available in forked scripts', function (done) {
       var child = ChildProcess.fork(path.join(fixtures, 'module', 'original-fs.js'))
       child.on('message', function (msg) {
-        assert.equal(msg, 'object')
+        assert.strictEqual(msg, 'object')
         done()
       })
       child.send('message')
@@ -1146,10 +1146,10 @@ describe('asar package', function () {
 
     it('recognize asar archvies', function () {
       var p = path.join(fixtures, 'asar', 'a.asar', 'link1')
-      assert.equal(gfs.readFileSync(p).toString().trim(), 'file1')
+      assert.strictEqual(gfs.readFileSync(p).toString().trim(), 'file1')
     })
     it('does not touch global fs object', function () {
-      assert.notEqual(fs.readdir, gfs.readdir)
+      assert.notStrictEqual(fs.readdir, gfs.readdir)
     })
   })
 
@@ -1168,7 +1168,7 @@ describe('asar package', function () {
     it('reads image from asar archive', function () {
       var p = path.join(fixtures, 'asar', 'logo.asar', 'logo.png')
       var logo = nativeImage.createFromPath(p)
-      assert.deepEqual(logo.getSize(), {
+      assert.deepStrictEqual(logo.getSize(), {
         width: 55,
         height: 55
       })
@@ -1177,7 +1177,7 @@ describe('asar package', function () {
     it('reads image from asar archive with unpacked files', function () {
       var p = path.join(fixtures, 'asar', 'unpack.asar', 'atom.png')
       var logo = nativeImage.createFromPath(p)
-      assert.deepEqual(logo.getSize(), {
+      assert.deepStrictEqual(logo.getSize(), {
         width: 1024,
         height: 1024
       })
diff --git a/spec/assert-helpers.js b/spec/assert-helpers.js
new file mode 100644
index 00000000000..a825f6d2a5c
--- /dev/null
+++ b/spec/assert-helpers.js
@@ -0,0 +1,18 @@
+function resolveSingleObjectGetters (object) {
+  if (object && typeof object === 'object') {
+    const newObject = {}
+    for (const key in object) {
+      newObject[key] = resolveGetters(object[key])[0]
+    }
+    return newObject
+  }
+  return object
+}
+
+function resolveGetters (...args) {
+  return args.map(resolveSingleObjectGetters)
+}
+
+module.exports = {
+  resolveGetters
+}
diff --git a/spec/chromium-spec.js b/spec/chromium-spec.js
index 25afbd83659..7a48a79f08c 100644
--- a/spec/chromium-spec.js
+++ b/spec/chromium-spec.js
@@ -5,9 +5,10 @@ const path = require('path')
 const ws = require('ws')
 const url = require('url')
 const ChildProcess = require('child_process')
-const {ipcRenderer, remote} = require('electron')
-const {closeWindow} = require('./window-helpers')
-const {app, BrowserWindow, ipcMain, protocol, session, webContents} = remote
+const { ipcRenderer, remote } = require('electron')
+const { closeWindow } = require('./window-helpers')
+const { resolveGetters } = require('./assert-helpers')
+const { app, BrowserWindow, ipcMain, protocol, session, webContents } = remote
 const isCI = remote.getGlobal('isCi')
 const features = process.atomBinding('features')
 
@@ -38,7 +39,7 @@ describe('chromium feature', () => {
         appProcess.stdout.on('data', (data) => { output += data })
         appProcess.stdout.on('end', () => {
           output = output.replace(/(\r\n|\n|\r)/gm, '')
-          assert.equal(output, result)
+          assert.strictEqual(output, result)
           done()
         })
       }
@@ -72,7 +73,7 @@ describe('chromium feature', () => {
 
   describe('accessing key names also used as Node.js module names', () => {
     it('does not crash', (done) => {
-      w = new BrowserWindow({show: false})
+      w = new BrowserWindow({ show: false })
       w.webContents.once('did-finish-load', () => { done() })
       w.webContents.once('crashed', () => done(new Error('WebContents crashed.')))
       w.loadFile(path.join(fixtures, 'pages', 'external-string.html'))
@@ -99,7 +100,7 @@ describe('chromium feature', () => {
         audio: true,
         video: false
       }, () => done(),
-         () => done())
+      () => done())
     })
   })
 
@@ -151,7 +152,7 @@ describe('chromium feature', () => {
       w.webContents.on('ipc-message', (event, args) => {
         if (args[0] === 'deviceIds') deviceIds.push(args[1])
         if (deviceIds.length === 2) {
-          assert.notDeepEqual(deviceIds[0], deviceIds[1])
+          assert.notDeepStrictEqual(deviceIds[0], deviceIds[1])
           closeWindow(w).then(() => {
             w = null
             done()
@@ -168,15 +169,15 @@ describe('chromium feature', () => {
 
   describe('navigator.language', () => {
     it('should not be empty', () => {
-      assert.notEqual(navigator.language, '')
+      assert.notStrictEqual(navigator.language, '')
     })
   })
 
   describe('navigator.languages', (done) => {
     it('should return the system locale only', () => {
       let appLocale = app.getLocale()
-      assert.equal(navigator.languages.length, 1)
-      assert.equal(navigator.languages[0], appLocale)
+      assert.strictEqual(navigator.languages.length, 1)
+      assert.strictEqual(navigator.languages[0], appLocale)
     })
   })
 
@@ -194,7 +195,7 @@ describe('chromium feature', () => {
         } else if (args[0] === 'error') {
           done(args[1])
         } else if (args[0] === 'response') {
-          assert.equal(args[1], 'Hello from serviceWorker!')
+          assert.strictEqual(args[1], 'Hello from serviceWorker!')
           session.fromPartition('sw-file-scheme-spec').clearStorageData({
             storages: ['serviceworkers']
           }, () => done())
@@ -215,7 +216,7 @@ describe('chromium feature', () => {
         let type = 'text/html'
 
         if (ext === '.js') type = 'application/javascript'
-        callback({data: content, mimeType: type})
+        callback({ data: content, mimeType: type })
       }, (error) => {
         if (error) done(error)
       })
@@ -230,7 +231,7 @@ describe('chromium feature', () => {
         } else if (args[0] === 'error') {
           done(`unexpected error : ${args[1]}`)
         } else if (args[0] === 'response') {
-          assert.equal(args[1], 'Hello from serviceWorker!')
+          assert.strictEqual(args[1], 'Hello from serviceWorker!')
           customSession.clearStorageData({
             storages: ['serviceworkers']
           }, () => {
@@ -287,15 +288,15 @@ describe('chromium feature', () => {
   describe('window.open', () => {
     it('returns a BrowserWindowProxy object', () => {
       const b = window.open('about:blank', '', 'show=no')
-      assert.equal(b.closed, false)
-      assert.equal(b.constructor.name, 'BrowserWindowProxy')
+      assert.strictEqual(b.closed, false)
+      assert.strictEqual(b.constructor.name, 'BrowserWindowProxy')
       b.close()
     })
 
     it('accepts "nodeIntegration" as feature', (done) => {
       let b
       listener = (event) => {
-        assert.equal(event.data.isProcessGlobalUndefined, true)
+        assert.strictEqual(event.data.isProcessGlobalUndefined, true)
         b.close()
         done()
       }
@@ -309,7 +310,7 @@ describe('chromium feature', () => {
         const ref1 = remote.getCurrentWindow().getSize()
         const width = ref1[0]
         const height = ref1[1]
-        assert.equal(event.data, `size: ${width} ${height}`)
+        assert.strictEqual(event.data, `size: ${width} ${height}`)
         b.close()
         done()
       }
@@ -319,7 +320,7 @@ describe('chromium feature', () => {
 
     for (const show of [true, false]) {
       it(`inherits parent visibility over parent {show=${show}} option`, (done) => {
-        const w = new BrowserWindow({show})
+        const w = new BrowserWindow({ show })
 
         // toggle visibility
         if (show) {
@@ -329,7 +330,7 @@ describe('chromium feature', () => {
         }
 
         w.webContents.once('new-window', (e, url, frameName, disposition, options) => {
-          assert.equal(options.show, w.isVisible())
+          assert.strictEqual(options.show, w.isVisible())
           w.close()
           done()
         })
@@ -340,7 +341,7 @@ describe('chromium feature', () => {
     it('disables node integration when it is disabled on the parent window', (done) => {
       let b
       listener = (event) => {
-        assert.equal(event.data.isProcessGlobalUndefined, true)
+        assert.strictEqual(event.data.isProcessGlobalUndefined, true)
         b.close()
         done()
       }
@@ -360,7 +361,7 @@ describe('chromium feature', () => {
     it('disables webviewTag when node integration is disabled on the parent window', (done) => {
       let b
       listener = (event) => {
-        assert.equal(event.data.isWebViewUndefined, true)
+        assert.strictEqual(event.data.isWebViewUndefined, true)
         b.close()
         done()
       }
@@ -383,7 +384,7 @@ describe('chromium feature', () => {
       app.once('web-contents-created', (event, contents) => {
         contents.once('did-finish-load', () => {
           contents.executeJavaScript('typeof process').then((typeofProcessGlobal) => {
-            assert.equal(typeofProcessGlobal, 'undefined')
+            assert.strictEqual(typeofProcessGlobal, 'undefined')
             b.close()
             done()
           }).catch(done)
@@ -398,14 +399,14 @@ describe('chromium feature', () => {
         contents.once('did-finish-load', () => {
           app.once('browser-window-created', (event, window) => {
             const preferences = window.webContents.getLastWebPreferences()
-            assert.equal(preferences.javascript, false)
+            assert.strictEqual(preferences.javascript, false)
             window.destroy()
             b.close()
             done()
           })
           // Click link on page
-          contents.sendInputEvent({type: 'mouseDown', clickCount: 1, x: 1, y: 1})
-          contents.sendInputEvent({type: 'mouseUp', clickCount: 1, x: 1, y: 1})
+          contents.sendInputEvent({ type: 'mouseDown', clickCount: 1, x: 1, y: 1 })
+          contents.sendInputEvent({ type: 'mouseUp', clickCount: 1, x: 1, y: 1 })
         })
       })
 
@@ -420,7 +421,7 @@ describe('chromium feature', () => {
     it('disables the <webview> tag when it is disabled on the parent window', (done) => {
       let b
       listener = (event) => {
-        assert.equal(event.data.isWebViewGlobalUndefined, true)
+        assert.strictEqual(event.data.isWebViewGlobalUndefined, true)
         b.close()
         done()
       }
@@ -444,7 +445,7 @@ describe('chromium feature', () => {
         height: 450
       }
       listener = (event) => {
-        assert.equal(event.data, `size: ${size.width} ${size.height}`)
+        assert.strictEqual(event.data, `size: ${size.width} ${size.height}`)
         b.close()
         done()
       }
@@ -456,9 +457,9 @@ describe('chromium feature', () => {
       w = BrowserWindow.fromId(ipcRenderer.sendSync('create-window-with-options-cycle'))
       w.loadFile(path.join(fixtures, 'pages', 'window-open.html'))
       w.webContents.once('new-window', (event, url, frameName, disposition, options) => {
-        assert.equal(options.show, false)
-        assert.deepEqual(options.foo, {
-          bar: null,
+        assert.strictEqual(options.show, false)
+        assert.deepStrictEqual(...resolveGetters(options.foo, {
+          bar: undefined,
           baz: {
             hello: {
               world: true
@@ -469,7 +470,7 @@ describe('chromium feature', () => {
               world: true
             }
           }
-        })
+        }))
         done()
       })
     })
@@ -484,7 +485,7 @@ describe('chromium feature', () => {
       }
       app.once('browser-window-created', (event, window) => {
         window.webContents.once('did-finish-load', () => {
-          assert.equal(b.location, targetURL)
+          assert.strictEqual(b.location, targetURL)
           b.close()
           done()
         })
@@ -494,7 +495,7 @@ describe('chromium feature', () => {
 
     it('defines a window.location setter', (done) => {
       let b
-      app.once('browser-window-created', (event, {webContents}) => {
+      app.once('browser-window-created', (event, { webContents }) => {
         webContents.once('did-finish-load', () => {
           // When it loads, redirect
           b.location = `file://${fixtures}/pages/base-page.html`
@@ -510,18 +511,18 @@ describe('chromium feature', () => {
 
     it('open a blank page when no URL is specified', (done) => {
       let b
-      app.once('browser-window-created', (event, {webContents}) => {
+      app.once('browser-window-created', (event, { webContents }) => {
         webContents.once('did-finish-load', () => {
-          const {location} = b
+          const { location } = b
           b.close()
-          assert.equal(location, 'about:blank')
+          assert.strictEqual(location, 'about:blank')
 
           let c
-          app.once('browser-window-created', (event, {webContents}) => {
+          app.once('browser-window-created', (event, { webContents }) => {
             webContents.once('did-finish-load', () => {
-              const {location} = c
+              const { location } = c
               c.close()
-              assert.equal(location, 'about:blank')
+              assert.strictEqual(location, 'about:blank')
               done()
             })
           })
@@ -533,18 +534,18 @@ describe('chromium feature', () => {
 
     it('throws an exception when the arguments cannot be converted to strings', () => {
       assert.throws(() => {
-        window.open('', {toString: null})
+        window.open('', { toString: null })
       }, /Cannot convert object to primitive value/)
 
       assert.throws(() => {
-        window.open('', '', {toString: 3})
+        window.open('', '', { toString: 3 })
       }, /Cannot convert object to primitive value/)
     })
 
     it('sets the window title to the specified frameName', (done) => {
       let b
       app.once('browser-window-created', (event, createdWindow) => {
-        assert.equal(createdWindow.getTitle(), 'hello')
+        assert.strictEqual(createdWindow.getTitle(), 'hello')
         b.close()
         done()
       })
@@ -554,7 +555,7 @@ describe('chromium feature', () => {
     it('does not throw an exception when the frameName is a built-in object property', (done) => {
       let b
       app.once('browser-window-created', (event, createdWindow) => {
-        assert.equal(createdWindow.getTitle(), '__proto__')
+        assert.strictEqual(createdWindow.getTitle(), '__proto__')
         b.close()
         done()
       })
@@ -575,7 +576,7 @@ describe('chromium feature', () => {
     it('is null for main window', (done) => {
       w = new BrowserWindow({ show: false })
       w.webContents.once('ipc-message', (event, args) => {
-        assert.deepEqual(args, ['opener', null])
+        assert.deepStrictEqual(args, ['opener', null])
         done()
       })
       w.loadFile(path.join(fixtures, 'pages', 'window-opener.html'))
@@ -584,7 +585,7 @@ describe('chromium feature', () => {
     it('is not null for window opened by window.open', (done) => {
       let b
       listener = (event) => {
-        assert.equal(event.data, 'object')
+        assert.strictEqual(event.data, 'object')
         b.close()
         done()
       }
@@ -614,7 +615,7 @@ describe('chromium feature', () => {
 
     it('does nothing when origin of current window does not match opener', (done) => {
       listener = (event) => {
-        assert.equal(event.data, undefined)
+        assert.strictEqual(event.data, null)
         done()
       }
       window.addEventListener('message', listener)
@@ -623,7 +624,7 @@ describe('chromium feature', () => {
 
     it('works when origin matches', (done) => {
       listener = (event) => {
-        assert.equal(event.data, location.href)
+        assert.strictEqual(event.data, location.href)
         done()
       }
       window.addEventListener('message', listener)
@@ -632,7 +633,7 @@ describe('chromium feature', () => {
 
     it('works when origin does not match opener but has node integration', (done) => {
       listener = (event) => {
-        assert.equal(event.data, location.href)
+        assert.strictEqual(event.data, location.href)
         done()
       }
       window.addEventListener('message', listener)
@@ -663,7 +664,7 @@ describe('chromium feature', () => {
     it('does nothing when origin of webview src URL does not match opener', (done) => {
       webview = new WebView()
       webview.addEventListener('console-message', (e) => {
-        assert.equal(e.message, 'null')
+        assert.strictEqual(e.message, 'null')
         done()
       })
       webview.setAttribute('allowpopups', 'on')
@@ -681,7 +682,7 @@ describe('chromium feature', () => {
     it('works when origin matches', (done) => {
       webview = new WebView()
       webview.addEventListener('console-message', (e) => {
-        assert.equal(e.message, webview.src)
+        assert.strictEqual(e.message, webview.src)
         done()
       })
       webview.setAttribute('allowpopups', 'on')
@@ -700,7 +701,7 @@ describe('chromium feature', () => {
       webview = new WebView()
       webview.addEventListener('console-message', (e) => {
         webview.remove()
-        assert.equal(e.message, webview.src)
+        assert.strictEqual(e.message, webview.src)
         done()
       })
       webview.setAttribute('allowpopups', 'on')
@@ -724,14 +725,14 @@ describe('chromium feature', () => {
         window.removeEventListener('message', listener)
         b.close()
         const message = JSON.parse(event.data)
-        assert.equal(message.data, 'testing')
-        assert.equal(message.origin, 'file://')
-        assert.equal(message.sourceEqualsOpener, true)
-        assert.equal(event.origin, 'file://')
+        assert.strictEqual(message.data, 'testing')
+        assert.strictEqual(message.origin, 'file://')
+        assert.strictEqual(message.sourceEqualsOpener, true)
+        assert.strictEqual(event.origin, 'file://')
         done()
       }
       window.addEventListener('message', listener)
-      app.once('browser-window-created', (event, {webContents}) => {
+      app.once('browser-window-created', (event, { webContents }) => {
         webContents.once('did-finish-load', () => {
           b.postMessage('testing', '*')
         })
@@ -742,7 +743,7 @@ describe('chromium feature', () => {
     it('throws an exception when the targetOrigin cannot be converted to a string', () => {
       const b = window.open('')
       assert.throws(() => {
-        b.postMessage('test', {toString: null})
+        b.postMessage('test', { toString: null })
       }, /Cannot convert object to primitive value/)
       b.close()
     })
@@ -754,8 +755,8 @@ describe('chromium feature', () => {
       listener = (event) => {
         window.removeEventListener('message', listener)
         b.close()
-        assert.equal(event.source, b)
-        assert.equal(event.origin, 'file://')
+        assert.strictEqual(event.source, b)
+        assert.strictEqual(event.origin, 'file://')
         done()
       }
       window.addEventListener('message', listener)
@@ -766,7 +767,7 @@ describe('chromium feature', () => {
       const webview = new WebView()
       webview.addEventListener('console-message', (e) => {
         webview.remove()
-        assert.equal(e.message, 'message')
+        assert.strictEqual(e.message, 'message')
         done()
       })
       webview.allowpopups = true
@@ -806,7 +807,7 @@ describe('chromium feature', () => {
         listener = (event) => {
           window.removeEventListener('message', listener)
           b.close()
-          assert.equal(event.data, 'deliver')
+          assert.strictEqual(event.data, 'deliver')
           done()
         }
         window.addEventListener('message', listener)
@@ -838,7 +839,7 @@ describe('chromium feature', () => {
       }
 
       const webgl = document.createElement('canvas').getContext('webgl')
-      assert.notEqual(webgl, null)
+      assert.notStrictEqual(webgl, null)
     })
   })
 
@@ -847,7 +848,7 @@ describe('chromium feature', () => {
       const worker = new Worker('../fixtures/workers/worker.js')
       const message = 'ping'
       worker.onmessage = (event) => {
-        assert.equal(event.data, message)
+        assert.strictEqual(event.data, message)
         worker.terminate()
         done()
       }
@@ -857,7 +858,7 @@ describe('chromium feature', () => {
     it('Worker has no node integration by default', (done) => {
       let worker = new Worker('../fixtures/workers/worker_node.js')
       worker.onmessage = (event) => {
-        assert.equal(event.data, 'undefined undefined undefined undefined')
+        assert.strictEqual(event.data, 'undefined undefined undefined undefined')
         worker.terminate()
         done()
       }
@@ -866,7 +867,7 @@ describe('chromium feature', () => {
     it('Worker has node integration with nodeIntegrationInWorker', (done) => {
       let webview = new WebView()
       webview.addEventListener('ipc-message', (e) => {
-        assert.equal(e.channel, 'object function object function')
+        assert.strictEqual(e.channel, 'object function object function')
         webview.remove()
         done()
       })
@@ -879,7 +880,7 @@ describe('chromium feature', () => {
       const worker = new SharedWorker('../fixtures/workers/shared_worker.js')
       const message = 'ping'
       worker.port.onmessage = (event) => {
-        assert.equal(event.data, message)
+        assert.strictEqual(event.data, message)
         done()
       }
       worker.port.postMessage(message)
@@ -888,7 +889,7 @@ describe('chromium feature', () => {
     it('SharedWorker has no node integration by default', (done) => {
       let worker = new SharedWorker('../fixtures/workers/shared_worker_node.js')
       worker.port.onmessage = (event) => {
-        assert.equal(event.data, 'undefined undefined undefined undefined')
+        assert.strictEqual(event.data, 'undefined undefined undefined undefined')
         done()
       }
     })
@@ -899,7 +900,7 @@ describe('chromium feature', () => {
         console.log(e)
       })
       webview.addEventListener('ipc-message', (e) => {
-        assert.equal(e.channel, 'object function object function')
+        assert.strictEqual(e.channel, 'object function object function')
         webview.remove()
         done()
       })
@@ -924,7 +925,7 @@ describe('chromium feature', () => {
       iframe.src = `file://${fixtures}/pages/set-global.html`
       document.body.appendChild(iframe)
       iframe.onload = () => {
-        assert.equal(iframe.contentWindow.test, 'undefined undefined undefined')
+        assert.strictEqual(iframe.contentWindow.test, 'undefined undefined undefined')
         done()
       }
     })
@@ -933,7 +934,7 @@ describe('chromium feature', () => {
   describe('storage', () => {
     it('requesting persitent quota works', (done) => {
       navigator.webkitPersistentStorage.requestQuota(1024 * 1024, (grantedBytes) => {
-        assert.equal(grantedBytes, 1048576)
+        assert.strictEqual(grantedBytes, 1048576)
         done()
       })
     })
@@ -953,7 +954,7 @@ describe('chromium feature', () => {
             case '/cookie' : filename = 'cookie.html'; break
             default : filename = ''
           }
-          callback({path: `${fixtures}/pages/storage/${filename}`})
+          callback({ path: `${fixtures}/pages/storage/${filename}` })
         }
         protocol.registerFileProtocol(protocolName, handler, (error) => done(error))
       })
@@ -973,7 +974,7 @@ describe('chromium feature', () => {
 
       it('cannot access localStorage', (done) => {
         ipcMain.once('local-storage-response', (event, error) => {
-          assert.equal(
+          assert.strictEqual(
             error,
             'Failed to read the \'localStorage\' property from \'Window\': Access is denied for this document.')
           done()
@@ -983,7 +984,7 @@ describe('chromium feature', () => {
 
       it('cannot access sessionStorage', (done) => {
         ipcMain.once('session-storage-response', (event, error) => {
-          assert.equal(
+          assert.strictEqual(
             error,
             'Failed to read the \'sessionStorage\' property from \'Window\': Access is denied for this document.')
           done()
@@ -993,7 +994,7 @@ describe('chromium feature', () => {
 
       it('cannot access WebSQL database', (done) => {
         ipcMain.once('web-sql-response', (event, error) => {
-          assert.equal(
+          assert.strictEqual(
             error,
             'An attempt was made to break through the security policy of the user agent.')
           done()
@@ -1003,7 +1004,7 @@ describe('chromium feature', () => {
 
       it('cannot access indexedDB', (done) => {
         ipcMain.once('indexed-db-response', (event, error) => {
-          assert.equal(error, 'The user denied permission to access the database.')
+          assert.strictEqual(error, 'The user denied permission to access the database.')
           done()
         })
         contents.loadURL(`${protocolName}://host/indexedDB`)
@@ -1129,7 +1130,7 @@ describe('chromium feature', () => {
         slashes: true
       })
 
-      this.createBrowserWindow = ({plugins, preload}) => {
+      this.createBrowserWindow = ({ plugins, preload }) => {
         w = new BrowserWindow({
           show: false,
           webPreferences: {
@@ -1146,63 +1147,63 @@ describe('chromium feature', () => {
           slashes: true
         })
 
-        this.createBrowserWindow({plugins: true, preload: preloadFile})
+        this.createBrowserWindow({ plugins: true, preload: preloadFile })
         ipcMain.once('pdf-loaded', (event, state) => {
-          assert.equal(state, 'success')
+          assert.strictEqual(state, 'success')
           done()
         })
         w.webContents.on('page-title-updated', () => {
           const parsedURL = url.parse(w.webContents.getURL(), true)
-          assert.equal(parsedURL.protocol, 'chrome:')
-          assert.equal(parsedURL.hostname, 'pdf-viewer')
-          assert.equal(parsedURL.query.src, pagePath)
-          assert.equal(w.webContents.getTitle(), 'cat.pdf')
+          assert.strictEqual(parsedURL.protocol, 'chrome:')
+          assert.strictEqual(parsedURL.hostname, 'pdf-viewer')
+          assert.strictEqual(parsedURL.query.src, pagePath)
+          assert.strictEqual(w.webContents.getTitle(), 'cat.pdf')
         })
         w.loadFile(path.join(fixtures, 'pages', page))
       }
     })
 
     it('opens when loading a pdf resource as top level navigation', (done) => {
-      this.createBrowserWindow({plugins: true, preload: 'preload-pdf-loaded.js'})
+      this.createBrowserWindow({ plugins: true, preload: 'preload-pdf-loaded.js' })
       ipcMain.once('pdf-loaded', (event, state) => {
-        assert.equal(state, 'success')
+        assert.strictEqual(state, 'success')
         done()
       })
       w.webContents.on('page-title-updated', () => {
         const parsedURL = url.parse(w.webContents.getURL(), true)
-        assert.equal(parsedURL.protocol, 'chrome:')
-        assert.equal(parsedURL.hostname, 'pdf-viewer')
-        assert.equal(parsedURL.query.src, this.pdfSource)
-        assert.equal(w.webContents.getTitle(), 'cat.pdf')
+        assert.strictEqual(parsedURL.protocol, 'chrome:')
+        assert.strictEqual(parsedURL.hostname, 'pdf-viewer')
+        assert.strictEqual(parsedURL.query.src, this.pdfSource)
+        assert.strictEqual(w.webContents.getTitle(), 'cat.pdf')
       })
       w.webContents.loadURL(this.pdfSource)
     })
 
     it('opens a pdf link given params, the query string should be escaped', (done) => {
-      this.createBrowserWindow({plugins: true, preload: 'preload-pdf-loaded.js'})
+      this.createBrowserWindow({ plugins: true, preload: 'preload-pdf-loaded.js' })
       ipcMain.once('pdf-loaded', (event, state) => {
-        assert.equal(state, 'success')
+        assert.strictEqual(state, 'success')
         done()
       })
       w.webContents.on('page-title-updated', () => {
         const parsedURL = url.parse(w.webContents.getURL(), true)
-        assert.equal(parsedURL.protocol, 'chrome:')
-        assert.equal(parsedURL.hostname, 'pdf-viewer')
-        assert.equal(parsedURL.query.src, this.pdfSourceWithParams)
-        assert.equal(parsedURL.query.b, undefined)
+        assert.strictEqual(parsedURL.protocol, 'chrome:')
+        assert.strictEqual(parsedURL.hostname, 'pdf-viewer')
+        assert.strictEqual(parsedURL.query.src, this.pdfSourceWithParams)
+        assert.strictEqual(parsedURL.query.b, undefined)
         assert(parsedURL.search.endsWith('%3Fa%3D1%26b%3D2'))
-        assert.equal(w.webContents.getTitle(), 'cat.pdf')
+        assert.strictEqual(w.webContents.getTitle(), 'cat.pdf')
       })
       w.webContents.loadURL(this.pdfSourceWithParams)
     })
 
     it('should download a pdf when plugins are disabled', (done) => {
-      this.createBrowserWindow({plugins: false, preload: 'preload-pdf-loaded.js'})
+      this.createBrowserWindow({ plugins: false, preload: 'preload-pdf-loaded.js' })
       ipcRenderer.sendSync('set-download-option', false, false)
       ipcRenderer.once('download-done', (event, state, url, mimeType, receivedBytes, totalBytes, disposition, filename) => {
-        assert.equal(state, 'completed')
-        assert.equal(filename, 'cat.pdf')
-        assert.equal(mimeType, 'application/pdf')
+        assert.strictEqual(state, 'completed')
+        assert.strictEqual(filename, 'cat.pdf')
+        assert.strictEqual(mimeType, 'application/pdf')
         fs.unlinkSync(path.join(fixtures, 'mock.pdf'))
         done()
       })
@@ -1211,8 +1212,8 @@ describe('chromium feature', () => {
 
     it('should not open when pdf is requested as sub resource', (done) => {
       fetch(this.pdfSource).then((res) => {
-        assert.equal(res.status, 200)
-        assert.notEqual(document.title, 'cat.pdf')
+        assert.strictEqual(res.status, 200)
+        assert.notStrictEqual(document.title, 'cat.pdf')
         done()
       }).catch((e) => done(e))
     })
@@ -1229,7 +1230,7 @@ describe('chromium feature', () => {
   describe('window.alert(message, title)', () => {
     it('throws an exception when the arguments cannot be converted to strings', () => {
       assert.throws(() => {
-        window.alert({toString: null})
+        window.alert({ toString: null })
       }, /Cannot convert object to primitive value/)
     })
   })
@@ -1237,7 +1238,7 @@ describe('chromium feature', () => {
   describe('window.confirm(message, title)', () => {
     it('throws an exception when the arguments cannot be converted to strings', () => {
       assert.throws(() => {
-        window.confirm({toString: null}, 'title')
+        window.confirm({ toString: null }, 'title')
       }, /Cannot convert object to primitive value/)
     })
   })
@@ -1246,7 +1247,7 @@ describe('chromium feature', () => {
     describe('window.history.go(offset)', () => {
       it('throws an exception when the argumnet cannot be converted to a string', () => {
         assert.throws(() => {
-          window.history.go({toString: null})
+          window.history.go({ toString: null })
         }, /Cannot convert object to primitive value/)
       })
     })
@@ -1256,11 +1257,11 @@ describe('chromium feature', () => {
         w = new BrowserWindow({ show: false })
         w.webContents.once('did-finish-load', () => {
           // History should have current page by now.
-          assert.equal(w.webContents.length(), 1)
+          assert.strictEqual(w.webContents.length(), 1)
 
           w.webContents.executeJavaScript('window.history.pushState({}, "")', () => {
             // Initial page + pushed state
-            assert.equal(w.webContents.length(), 2)
+            assert.strictEqual(w.webContents.length(), 2)
             done()
           })
         })
diff --git a/spec/events-helpers.js b/spec/events-helpers.js
index 9bbd3da899f..39f53c36db1 100644
--- a/spec/events-helpers.js
+++ b/spec/events-helpers.js
@@ -10,7 +10,7 @@
  */
 const waitForEvent = (target, eventName) => {
   return new Promise(resolve => {
-    target.addEventListener(eventName, resolve, {once: true})
+    target.addEventListener(eventName, resolve, { once: true })
   })
 }
 
diff --git a/spec/fixtures/api/exit-closes-all-windows-app/main.js b/spec/fixtures/api/exit-closes-all-windows-app/main.js
index c97d8d1f195..20d5a1dac2a 100644
--- a/spec/fixtures/api/exit-closes-all-windows-app/main.js
+++ b/spec/fixtures/api/exit-closes-all-windows-app/main.js
@@ -1,9 +1,9 @@
-const {app, BrowserWindow} = require('electron')
+const { app, BrowserWindow } = require('electron')
 
 const windows = []
 
 function createWindow (id) {
-  const window = new BrowserWindow({show: false})
+  const window = new BrowserWindow({ show: false })
   window.loadURL(`data:,window${id}`)
   windows.push(window)
 }
diff --git a/spec/fixtures/api/isolated-fetch-preload.js b/spec/fixtures/api/isolated-fetch-preload.js
index edc8f667c45..283af99fe16 100644
--- a/spec/fixtures/api/isolated-fetch-preload.js
+++ b/spec/fixtures/api/isolated-fetch-preload.js
@@ -1,4 +1,4 @@
-const {ipcRenderer} = require('electron')
+const { ipcRenderer } = require('electron')
 
 // Ensure fetch works from isolated world origin
 fetch('https://localhost:1234').catch(err => {
diff --git a/spec/fixtures/api/isolated-preload.js b/spec/fixtures/api/isolated-preload.js
index af80793891d..20c2181bacb 100644
--- a/spec/fixtures/api/isolated-preload.js
+++ b/spec/fixtures/api/isolated-preload.js
@@ -1,4 +1,4 @@
-const {ipcRenderer, webFrame} = require('electron')
+const { ipcRenderer, webFrame } = require('electron')
 
 window.foo = 3
 
diff --git a/spec/fixtures/api/locale-check/main.js b/spec/fixtures/api/locale-check/main.js
index be1807bb12e..c89e1299042 100644
--- a/spec/fixtures/api/locale-check/main.js
+++ b/spec/fixtures/api/locale-check/main.js
@@ -1,4 +1,4 @@
-const {app} = require('electron')
+const { app } = require('electron')
 
 app.on('ready', () => {
   process.stdout.write(app.getLocale())
diff --git a/spec/fixtures/api/mixed-sandbox-app/main.js b/spec/fixtures/api/mixed-sandbox-app/main.js
index 3a6945b0f2a..50ed09dcd4e 100644
--- a/spec/fixtures/api/mixed-sandbox-app/main.js
+++ b/spec/fixtures/api/mixed-sandbox-app/main.js
@@ -1,4 +1,4 @@
-const {app, BrowserWindow, ipcMain} = require('electron')
+const { app, BrowserWindow, ipcMain } = require('electron')
 const net = require('net')
 const path = require('path')
 
diff --git a/spec/fixtures/api/native-window-open-isolated-preload.js b/spec/fixtures/api/native-window-open-isolated-preload.js
index aa214166021..9491e4efcc4 100644
--- a/spec/fixtures/api/native-window-open-isolated-preload.js
+++ b/spec/fixtures/api/native-window-open-isolated-preload.js
@@ -1,4 +1,4 @@
-const {ipcRenderer} = require('electron')
+const { ipcRenderer } = require('electron')
 
 window.addEventListener('message', (event) => {
   ipcRenderer.send('answer', event.data)
diff --git a/spec/fixtures/api/net-log/main.js b/spec/fixtures/api/net-log/main.js
index 54fa53965cd..0a203b46366 100644
--- a/spec/fixtures/api/net-log/main.js
+++ b/spec/fixtures/api/net-log/main.js
@@ -1,4 +1,4 @@
-const {app, net, netLog} = require('electron')
+const { app, net, netLog } = require('electron')
 
 function request () {
   return new Promise((resolve) => {
diff --git a/spec/fixtures/api/new-window-preload.js b/spec/fixtures/api/new-window-preload.js
index 0364593734e..6d9add91f04 100644
--- a/spec/fixtures/api/new-window-preload.js
+++ b/spec/fixtures/api/new-window-preload.js
@@ -1,4 +1,4 @@
-const {ipcRenderer, remote} = require('electron')
+const { ipcRenderer, remote } = require('electron')
 
 ipcRenderer.send('answer', process.argv, remote.getCurrentWindow().webContents.getWebPreferences())
 window.close()
diff --git a/spec/fixtures/api/relaunch/main.js b/spec/fixtures/api/relaunch/main.js
index 27a1e07efa6..2f4dcf796aa 100644
--- a/spec/fixtures/api/relaunch/main.js
+++ b/spec/fixtures/api/relaunch/main.js
@@ -1,4 +1,4 @@
-const {app} = require('electron')
+const { app } = require('electron')
 const net = require('net')
 
 const socketPath = process.platform === 'win32' ? '\\\\.\\pipe\\electron-app-relaunch' : '/tmp/electron-app-relaunch'
@@ -18,6 +18,6 @@ app.once('ready', () => {
   })
 
   if (lastArg !== '--second') {
-    app.relaunch({args: process.argv.slice(1).concat('--second')})
+    app.relaunch({ args: process.argv.slice(1).concat('--second') })
   }
 })
diff --git a/spec/fixtures/api/singleton/main.js b/spec/fixtures/api/singleton/main.js
index 3202a7a180d..fda3ed8cc4f 100644
--- a/spec/fixtures/api/singleton/main.js
+++ b/spec/fixtures/api/singleton/main.js
@@ -1,7 +1,7 @@
-const {app} = require('electron')
+const { app } = require('electron')
 
 app.once('ready', () => {
-  console.log('started')  // ping parent
+  console.log('started') // ping parent
 })
 
 const gotTheLock = app.requestSingleInstanceLock()
diff --git a/spec/fixtures/api/window-open-preload.js b/spec/fixtures/api/window-open-preload.js
index 09b89285739..fcb57a207c9 100644
--- a/spec/fixtures/api/window-open-preload.js
+++ b/spec/fixtures/api/window-open-preload.js
@@ -1,4 +1,4 @@
-const {ipcRenderer} = require('electron')
+const { ipcRenderer } = require('electron')
 
 setImmediate(function () {
   if (window.location.toString() === 'bar://page') {
diff --git a/spec/fixtures/module/delete-buffer.js b/spec/fixtures/module/delete-buffer.js
index d88e8b57708..b90af7d6181 100644
--- a/spec/fixtures/module/delete-buffer.js
+++ b/spec/fixtures/module/delete-buffer.js
@@ -1,11 +1,11 @@
 const path = require('path')
-const {remote} = require('electron')
-const {Buffer} = window
+const { remote } = require('electron')
+const { Buffer } = window
 
 delete window.Buffer
 delete global.Buffer
 
 // Test that remote.js doesn't use Buffer global
-remote.require(path.join(__dirname, 'print_name.js')).echo(new Buffer('bar'))
+remote.require(path.join(__dirname, 'print_name.js')).echo(Buffer.from('bar'))
 
-window.test = new Buffer('buffer')
+window.test = Buffer.from('buffer')
diff --git a/spec/fixtures/module/inspector-binding.js b/spec/fixtures/module/inspector-binding.js
index 17a2134d6f0..09aace66e09 100644
--- a/spec/fixtures/module/inspector-binding.js
+++ b/spec/fixtures/module/inspector-binding.js
@@ -60,7 +60,7 @@ function testSampleDebugSession () {
     // expected as the session already exists
   }
   session.on('Debugger.paused',
-             (notification) => debuggerPausedCallback(session, notification))
+    (notification) => debuggerPausedCallback(session, notification))
   let cbAsSecondArgCalled = false
   session.post('Debugger.enable', () => { cbAsSecondArgCalled = true })
   session.post('Debugger.setBreakpointByUrl', {
diff --git a/spec/fixtures/module/preload-inject-ipc.js b/spec/fixtures/module/preload-inject-ipc.js
index 3475cd69a63..a1a45b09706 100644
--- a/spec/fixtures/module/preload-inject-ipc.js
+++ b/spec/fixtures/module/preload-inject-ipc.js
@@ -1,2 +1,2 @@
-const {ipcRenderer} = require('electron')
+const { ipcRenderer } = require('electron')
 window.ipcRenderer = ipcRenderer
diff --git a/spec/fixtures/module/preload-pdf-loaded-in-nested-subframe.js b/spec/fixtures/module/preload-pdf-loaded-in-nested-subframe.js
index a1115f96e67..688083bfbf1 100644
--- a/spec/fixtures/module/preload-pdf-loaded-in-nested-subframe.js
+++ b/spec/fixtures/module/preload-pdf-loaded-in-nested-subframe.js
@@ -1,4 +1,4 @@
-const {ipcRenderer} = require('electron')
+const { ipcRenderer } = require('electron')
 
 document.addEventListener('DOMContentLoaded', (event) => {
   var outerFrame = document.getElementById('outer-frame')
diff --git a/spec/fixtures/module/preload-pdf-loaded-in-subframe.js b/spec/fixtures/module/preload-pdf-loaded-in-subframe.js
index 63b356821d8..b9325fa6962 100644
--- a/spec/fixtures/module/preload-pdf-loaded-in-subframe.js
+++ b/spec/fixtures/module/preload-pdf-loaded-in-subframe.js
@@ -1,4 +1,4 @@
-const {ipcRenderer} = require('electron')
+const { ipcRenderer } = require('electron')
 
 document.addEventListener('DOMContentLoaded', (event) => {
   var subframe = document.getElementById('pdf-frame')
diff --git a/spec/fixtures/module/preload-pdf-loaded.js b/spec/fixtures/module/preload-pdf-loaded.js
index 24c3a0a7c4e..9393898b508 100644
--- a/spec/fixtures/module/preload-pdf-loaded.js
+++ b/spec/fixtures/module/preload-pdf-loaded.js
@@ -1,4 +1,4 @@
-const {ipcRenderer} = require('electron')
+const { ipcRenderer } = require('electron')
 
 window.addEventListener('pdf-loaded', function (event) {
   ipcRenderer.send('pdf-loaded', event.detail)
diff --git a/spec/fixtures/module/preload-sandbox.js b/spec/fixtures/module/preload-sandbox.js
index 6901be56d0c..203e9414dcf 100644
--- a/spec/fixtures/module/preload-sandbox.js
+++ b/spec/fixtures/module/preload-sandbox.js
@@ -1,6 +1,6 @@
 (function () {
-  const {setImmediate} = require('timers')
-  const {ipcRenderer} = require('electron')
+  const { setImmediate } = require('timers')
+  const { ipcRenderer } = require('electron')
   window.ipcRenderer = ipcRenderer
   window.setImmediate = setImmediate
   window.require = require
diff --git a/spec/fixtures/module/preload-webview.js b/spec/fixtures/module/preload-webview.js
index 273065cdaac..b1386a95280 100644
--- a/spec/fixtures/module/preload-webview.js
+++ b/spec/fixtures/module/preload-webview.js
@@ -1,4 +1,4 @@
-const {ipcRenderer} = require('electron')
+const { ipcRenderer } = require('electron')
 
 window.onload = function () {
   ipcRenderer.send('webview', typeof WebView)
diff --git a/spec/fixtures/module/remote-object-set.js b/spec/fixtures/module/remote-object-set.js
index 5fefbf5cf36..74c57472203 100644
--- a/spec/fixtures/module/remote-object-set.js
+++ b/spec/fixtures/module/remote-object-set.js
@@ -1,4 +1,4 @@
-const {BrowserWindow} = require('electron')
+const { BrowserWindow } = require('electron')
 
 class Foo {
   set bar (value) {
diff --git a/spec/fixtures/module/to-string-non-function.js b/spec/fixtures/module/to-string-non-function.js
index 3e91921037c..a898fc48923 100644
--- a/spec/fixtures/module/to-string-non-function.js
+++ b/spec/fixtures/module/to-string-non-function.js
@@ -1,4 +1,4 @@
 function hello () {
 }
 hello.toString = 'hello'
-module.exports = {functionWithToStringProperty: hello}
+module.exports = { functionWithToStringProperty: hello }
diff --git a/spec/fixtures/no-proprietary-codecs.js b/spec/fixtures/no-proprietary-codecs.js
index 27dfd328691..089fb835c6f 100644
--- a/spec/fixtures/no-proprietary-codecs.js
+++ b/spec/fixtures/no-proprietary-codecs.js
@@ -4,7 +4,7 @@
 // proprietary codecs to ensure Electron uses it instead of the version
 // that does include proprietary codecs.
 
-const {app, BrowserWindow, ipcMain} = require('electron')
+const { app, BrowserWindow, ipcMain } = require('electron')
 const path = require('path')
 
 const MEDIA_ERR_SRC_NOT_SUPPORTED = 4
diff --git a/spec/modules-spec.js b/spec/modules-spec.js
index 7e89895daae..f7a7eee4539 100644
--- a/spec/modules-spec.js
+++ b/spec/modules-spec.js
@@ -1,9 +1,9 @@
 const assert = require('assert')
 const Module = require('module')
 const path = require('path')
-const {remote} = require('electron')
-const {BrowserWindow} = remote
-const {closeWindow} = require('./window-helpers')
+const { remote } = require('electron')
+const { BrowserWindow } = remote
+const { closeWindow } = require('./window-helpers')
 
 const nativeModulesEnabled = remote.getGlobal('nativeModulesEnabled')
 
@@ -20,7 +20,7 @@ describe('modules support', () => {
         const runas = path.join(fixtures, 'module', 'runas.js')
         const child = require('child_process').fork(runas)
         child.on('message', (msg) => {
-          assert.equal(msg, 'ok')
+          assert.strictEqual(msg, 'ok')
           done()
         })
       })
@@ -42,7 +42,7 @@ describe('modules support', () => {
         const libm = ffi.Library('libm', {
           ceil: ['double', ['double']]
         })
-        assert.equal(libm.ceil(1.5), 2)
+        assert.strictEqual(libm.ceil(1.5), 2)
       })
     })
 
@@ -51,7 +51,7 @@ describe('modules support', () => {
       describe('Q.when', () => {
         it('emits the fullfil callback', (done) => {
           Q(true).then((val) => {
-            assert.equal(val, true)
+            assert.strictEqual(val, true)
             done()
           })
         })
@@ -92,7 +92,7 @@ describe('modules support', () => {
     describe('when the path is inside the resources path', () => {
       it('does not include paths outside of the resources path', () => {
         let modulePath = process.resourcesPath
-        assert.deepEqual(Module._nodeModulePaths(modulePath), [
+        assert.deepStrictEqual(Module._nodeModulePaths(modulePath), [
           path.join(process.resourcesPath, 'node_modules')
         ])
 
@@ -102,26 +102,26 @@ describe('modules support', () => {
         assert(nodeModulePaths.includes(path.join(modulePath, '..', 'node_modules')))
 
         modulePath = path.join(process.resourcesPath, 'foo')
-        assert.deepEqual(Module._nodeModulePaths(modulePath), [
+        assert.deepStrictEqual(Module._nodeModulePaths(modulePath), [
           path.join(process.resourcesPath, 'foo', 'node_modules'),
           path.join(process.resourcesPath, 'node_modules')
         ])
 
         modulePath = path.join(process.resourcesPath, 'node_modules', 'foo')
-        assert.deepEqual(Module._nodeModulePaths(modulePath), [
+        assert.deepStrictEqual(Module._nodeModulePaths(modulePath), [
           path.join(process.resourcesPath, 'node_modules', 'foo', 'node_modules'),
           path.join(process.resourcesPath, 'node_modules')
         ])
 
         modulePath = path.join(process.resourcesPath, 'node_modules', 'foo', 'bar')
-        assert.deepEqual(Module._nodeModulePaths(modulePath), [
+        assert.deepStrictEqual(Module._nodeModulePaths(modulePath), [
           path.join(process.resourcesPath, 'node_modules', 'foo', 'bar', 'node_modules'),
           path.join(process.resourcesPath, 'node_modules', 'foo', 'node_modules'),
           path.join(process.resourcesPath, 'node_modules')
         ])
 
         modulePath = path.join(process.resourcesPath, 'node_modules', 'foo', 'node_modules', 'bar')
-        assert.deepEqual(Module._nodeModulePaths(modulePath), [
+        assert.deepStrictEqual(Module._nodeModulePaths(modulePath), [
           path.join(process.resourcesPath, 'node_modules', 'foo', 'node_modules', 'bar', 'node_modules'),
           path.join(process.resourcesPath, 'node_modules', 'foo', 'node_modules'),
           path.join(process.resourcesPath, 'node_modules')
@@ -132,7 +132,7 @@ describe('modules support', () => {
     describe('when the path is outside the resources path', () => {
       it('includes paths outside of the resources path', () => {
         let modulePath = path.resolve('/foo')
-        assert.deepEqual(Module._nodeModulePaths(modulePath), [
+        assert.deepStrictEqual(Module._nodeModulePaths(modulePath), [
           path.join(modulePath, 'node_modules'),
           path.resolve('/node_modules')
         ])
@@ -145,7 +145,7 @@ describe('modules support', () => {
       let w
 
       beforeEach(() => {
-        w = new BrowserWindow({show: false})
+        w = new BrowserWindow({ show: false })
       })
 
       afterEach(async () => {
@@ -156,7 +156,7 @@ describe('modules support', () => {
       it('searches for module under app directory', async () => {
         w.loadURL('about:blank')
         const result = await w.webContents.executeJavaScript('typeof require("q").when')
-        assert.equal(result, 'function')
+        assert.strictEqual(result, 'function')
       })
     })
   })
diff --git a/spec/node-spec.js b/spec/node-spec.js
index 9bb03494a56..c3fd2188ef3 100644
--- a/spec/node-spec.js
+++ b/spec/node-spec.js
@@ -3,7 +3,7 @@ const ChildProcess = require('child_process')
 const fs = require('fs')
 const path = require('path')
 const os = require('os')
-const {ipcRenderer, remote} = require('electron')
+const { ipcRenderer, remote } = require('electron')
 
 const isCI = remote.getGlobal('isCi')
 
@@ -15,7 +15,7 @@ describe('node feature', () => {
       it('works in current process', (done) => {
         const child = ChildProcess.fork(path.join(fixtures, 'module', 'ping.js'))
         child.on('message', (msg) => {
-          assert.equal(msg, 'message')
+          assert.strictEqual(msg, 'message')
           done()
         })
         child.send('message')
@@ -25,7 +25,7 @@ describe('node feature', () => {
         const args = ['--expose_gc', '-test', '1']
         const child = ChildProcess.fork(path.join(fixtures, 'module', 'process_args.js'), args)
         child.on('message', (msg) => {
-          assert.deepEqual(args, msg.slice(2))
+          assert.deepStrictEqual(args, msg.slice(2))
           done()
         })
         child.send('message')
@@ -34,7 +34,7 @@ describe('node feature', () => {
       it('works in forked process', (done) => {
         const child = ChildProcess.fork(path.join(fixtures, 'module', 'fork_ping.js'))
         child.on('message', (msg) => {
-          assert.equal(msg, 'message')
+          assert.strictEqual(msg, 'message')
           done()
         })
         child.send('message')
@@ -45,7 +45,7 @@ describe('node feature', () => {
           path: process.env['PATH']
         })
         child.on('message', (msg) => {
-          assert.equal(msg, 'message')
+          assert.strictEqual(msg, 'message')
           done()
         })
         child.send('message')
@@ -55,7 +55,7 @@ describe('node feature', () => {
         const fork = remote.require('child_process').fork
         const child = fork(path.join(fixtures, 'module', 'ping.js'))
         child.on('message', (msg) => {
-          assert.equal(msg, 'message')
+          assert.strictEqual(msg, 'message')
           done()
         })
         child.send('message')
@@ -64,7 +64,7 @@ describe('node feature', () => {
       it('has String::localeCompare working in script', (done) => {
         const child = ChildProcess.fork(path.join(fixtures, 'module', 'locale-compare.js'))
         child.on('message', (msg) => {
-          assert.deepEqual(msg, [0, -1, 1])
+          assert.deepStrictEqual(msg, [0, -1, 1])
           done()
         })
         child.send('message')
@@ -73,21 +73,21 @@ describe('node feature', () => {
       it('has setImmediate working in script', (done) => {
         const child = ChildProcess.fork(path.join(fixtures, 'module', 'set-immediate.js'))
         child.on('message', (msg) => {
-          assert.equal(msg, 'ok')
+          assert.strictEqual(msg, 'ok')
           done()
         })
         child.send('message')
       })
 
       it('pipes stdio', (done) => {
-        const child = ChildProcess.fork(path.join(fixtures, 'module', 'process-stdout.js'), {silent: true})
+        const child = ChildProcess.fork(path.join(fixtures, 'module', 'process-stdout.js'), { silent: true })
         let data = ''
         child.stdout.on('data', (chunk) => {
           data += String(chunk)
         })
         child.on('close', (code) => {
-          assert.equal(code, 0)
-          assert.equal(data, 'pipes stdio')
+          assert.strictEqual(code, 0)
+          assert.strictEqual(data, 'pipes stdio')
           done()
         })
       })
@@ -96,7 +96,7 @@ describe('node feature', () => {
         const source = "process.on('message', (message) => { process.send(message) })"
         const forked = ChildProcess.fork('--eval', [source])
         forked.once('message', (message) => {
-          assert.equal(message, 'hello')
+          assert.strictEqual(message, 'hello')
           done()
         })
         forked.send('hello')
@@ -122,7 +122,7 @@ describe('node feature', () => {
           output += data
         })
         child.stdout.on('close', () => {
-          assert.deepEqual(JSON.parse(output), {
+          assert.deepStrictEqual(JSON.parse(output), {
             processLog: process.platform === 'win32' ? 'function' : 'undefined',
             processType: 'undefined',
             window: 'undefined'
@@ -164,14 +164,14 @@ describe('node feature', () => {
     describe('error thrown in main process node context', () => {
       it('gets emitted as a process uncaughtException event', () => {
         const error = ipcRenderer.sendSync('handle-uncaught-exception', 'hello')
-        assert.equal(error, 'hello')
+        assert.strictEqual(error, 'hello')
       })
     })
 
     describe('promise rejection in main process node context', () => {
       it('gets emitted as a process unhandledRejection event', () => {
         const error = ipcRenderer.sendSync('handle-unhandled-rejection', 'hello')
-        assert.equal(error, 'hello')
+        assert.strictEqual(error, 'hello')
       })
     })
 
@@ -238,11 +238,11 @@ describe('node feature', () => {
         stdio: ['ipc']
       })
 
-      child.on('message', ({cmd, debuggerEnabled, secondSessionOpened, success}) => {
+      child.on('message', ({ cmd, debuggerEnabled, secondSessionOpened, success }) => {
         if (cmd === 'assert') {
-          assert.equal(debuggerEnabled, true)
-          assert.equal(secondSessionOpened, true)
-          assert.equal(success, true)
+          assert.strictEqual(debuggerEnabled, true)
+          assert.strictEqual(secondSessionOpened, true)
+          assert.strictEqual(success, true)
           done()
         }
       })
@@ -291,10 +291,10 @@ describe('node feature', () => {
       const script = path.join(fixtures, 'module', 'create_socket.js')
       const child = ChildProcess.fork(script, [socketPath])
       child.on('exit', (code) => {
-        assert.equal(code, 0)
+        assert.strictEqual(code, 0)
         const client = require('net').connect(socketPath)
         client.on('error', (error) => {
-          assert.equal(error.code, 'ECONNREFUSED')
+          assert.strictEqual(error.code, 'ECONNREFUSED')
           done()
         })
       })
@@ -306,23 +306,23 @@ describe('node feature', () => {
       const p = document.createElement('p')
       p.innerText = '闲云潭影日悠悠，物换星移几度秋'
       const b = Buffer.from(p.innerText)
-      assert.equal(b.toString(), '闲云潭影日悠悠，物换星移几度秋')
-      assert.equal(Buffer.byteLength(p.innerText), 45)
+      assert.strictEqual(b.toString(), '闲云潭影日悠悠，物换星移几度秋')
+      assert.strictEqual(Buffer.byteLength(p.innerText), 45)
     })
 
     it('correctly parses external one-byte UTF8 string', () => {
       const p = document.createElement('p')
       p.innerText = 'Jøhänñéß'
       const b = Buffer.from(p.innerText)
-      assert.equal(b.toString(), 'Jøhänñéß')
-      assert.equal(Buffer.byteLength(p.innerText), 13)
+      assert.strictEqual(b.toString(), 'Jøhänñéß')
+      assert.strictEqual(Buffer.byteLength(p.innerText), 13)
     })
 
     it('does not crash when creating large Buffers', () => {
       let buffer = Buffer.from(new Array(4096).join(' '))
-      assert.equal(buffer.length, 4095)
+      assert.strictEqual(buffer.length, 4095)
       buffer = Buffer.from(new Array(4097).join(' '))
-      assert.equal(buffer.length, 4096)
+      assert.strictEqual(buffer.length, 4096)
     })
 
     it('does not crash for crypto operations', () => {
@@ -334,8 +334,8 @@ describe('node feature', () => {
         let iv = Buffer.from('0'.repeat(32), 'hex')
         let input = Buffer.from(data, 'base64')
         let decipher = crypto.createDecipheriv('aes-128-cbc', Buffer.from(key, 'base64'), iv)
-        let result = Buffer.concat([decipher.update(input), decipher.final()])
-        assert.equal(cipherText, result)
+        let result = Buffer.concat([decipher.update(input), decipher.final()]).toString('utf8')
+        assert.strictEqual(cipherText, result)
       }
     })
   })
@@ -361,7 +361,7 @@ describe('node feature', () => {
         return
       }
 
-      assert.equal(typeof process.stdout.isTTY, 'boolean')
+      assert.strictEqual(typeof process.stdout.isTTY, 'boolean')
     })
 
     it('should have isTTY undefined on Windows', function () {
@@ -371,7 +371,7 @@ describe('node feature', () => {
         return
       }
 
-      assert.equal(process.stdout.isTTY, undefined)
+      assert.strictEqual(process.stdout.isTTY, undefined)
     })
   })
 
@@ -383,7 +383,7 @@ describe('node feature', () => {
     })
 
     it('returns null when read from', () => {
-      assert.equal(process.stdin.read(), null)
+      assert.strictEqual(process.stdin.read(), null)
     })
   })
 
diff --git a/spec/security-warnings-spec.js b/spec/security-warnings-spec.js
index 6315a9420e0..431a1fc3dba 100644
--- a/spec/security-warnings-spec.js
+++ b/spec/security-warnings-spec.js
@@ -4,10 +4,10 @@ const fs = require('fs')
 const path = require('path')
 const url = require('url')
 
-const {remote} = require('electron')
-const {BrowserWindow} = remote
+const { remote } = require('electron')
+const { BrowserWindow } = remote
 
-const {closeWindow} = require('./window-helpers')
+const { closeWindow } = require('./window-helpers')
 
 describe('security warnings', () => {
   let server
diff --git a/spec/static/main.js b/spec/static/main.js
index 07ab5f4a336..1948eb8e710 100644
--- a/spec/static/main.js
+++ b/spec/static/main.js
@@ -2,9 +2,9 @@
 process.throwDeprecation = false
 
 const electron = require('electron')
-const {app, BrowserWindow, crashReporter, dialog, ipcMain, protocol, webContents} = electron
+const { app, BrowserWindow, crashReporter, dialog, ipcMain, protocol, webContents } = electron
 
-const {Coverage} = require('electabul')
+const { Coverage } = require('electabul')
 
 const fs = require('fs')
 const path = require('path')
@@ -19,7 +19,7 @@ var argv = require('yargs')
 
 var window = null
 
- // will be used by crash-reporter spec.
+// will be used by crash-reporter spec.
 process.port = 0
 process.crashServicePid = 0
 
@@ -276,7 +276,7 @@ ipcMain.on('create-window-with-options-cycle', (event) => {
     }
   }
   foo.baz2 = foo.baz
-  const window = new BrowserWindow({show: false, foo: foo})
+  const window = new BrowserWindow({ show: false, foo: foo })
   event.returnValue = window.id
 })
 
@@ -323,7 +323,7 @@ ipcMain.on('try-emit-web-contents-event', (event, id, eventName) => {
     console.warn = (message) => {
       warningMessage = message
     }
-    contents.emit(eventName, {sender: contents})
+    contents.emit(eventName, { sender: contents })
   } finally {
     console.warn = consoleWarn
   }
diff --git a/spec/webview-spec.js b/spec/webview-spec.js
index ebe9d01e884..ecfae8813e6 100644
--- a/spec/webview-spec.js
+++ b/spec/webview-spec.js
@@ -4,12 +4,12 @@ const dirtyChai = require('dirty-chai')
 const path = require('path')
 const http = require('http')
 const url = require('url')
-const {ipcRenderer, remote} = require('electron')
-const {app, session, ipcMain, BrowserWindow} = remote
-const {closeWindow} = require('./window-helpers')
-const {emittedOnce, waitForEvent} = require('./events-helpers')
+const { ipcRenderer, remote } = require('electron')
+const { app, session, ipcMain, BrowserWindow } = remote
+const { closeWindow } = require('./window-helpers')
+const { emittedOnce, waitForEvent } = require('./events-helpers')
 
-const {expect} = chai
+const { expect } = chai
 chai.use(dirtyChai)
 
 const isCI = remote.getGlobal('isCi')
@@ -46,7 +46,7 @@ describe('<webview> tag', function () {
   }
 
   const startLoadingWebViewAndWaitForMessage = async (webview, attributes = {}) => {
-    loadWebView(webview, attributes)  // Don't wait for load to be finished.
+    loadWebView(webview, attributes) // Don't wait for load to be finished.
     const event = await waitForEvent(webview, 'console-message')
     return event.message
   }
@@ -65,7 +65,7 @@ describe('<webview> tag', function () {
   })
 
   it('works without script tag in page', async () => {
-    const w = await openTheWindow({show: false})
+    const w = await openTheWindow({ show: false })
     w.loadFile(path.join(fixtures, 'pages', 'webview-no-script.html'))
     await emittedOnce(ipcMain, 'pong')
   })
@@ -116,7 +116,7 @@ describe('<webview> tag', function () {
 
       webview.src = `file://${fixtures}/pages/b.html`
 
-      const {message} = await waitForEvent(webview, 'console-message')
+      const { message } = await waitForEvent(webview, 'console-message')
       expect(message).to.equal('b')
     })
 
@@ -124,11 +124,11 @@ describe('<webview> tag', function () {
       const message = await startLoadingWebViewAndWaitForMessage(webview, {
         src: '../fixtures/pages/e.html'
       })
-      assert.equal(message, 'Window script is loaded before preload script')
+      assert.strictEqual(message, 'Window script is loaded before preload script')
     })
 
     it('ignores empty values', () => {
-      assert.equal(webview.src, '')
+      assert.strictEqual(webview.src, '')
 
       for (const emptyValue of ['', null, undefined]) {
         webview.src = emptyValue
@@ -188,7 +188,7 @@ describe('<webview> tag', function () {
 
     it('disables node integration on child windows when it is disabled on the webview', (done) => {
       app.once('browser-window-created', (event, window) => {
-        assert.equal(window.webContents.getWebPreferences().nodeIntegration, false)
+        assert.strictEqual(window.webContents.getWebPreferences().nodeIntegration, false)
         done()
       })
 
@@ -214,8 +214,8 @@ describe('<webview> tag', function () {
 
       webview.reload()
 
-      const {message} = await waitForEvent(webview, 'console-message')
-      assert.equal(message, 'function')
+      const { message } = await waitForEvent(webview, 'console-message')
+      assert.strictEqual(message, 'function')
     })
   })
 
@@ -281,9 +281,9 @@ describe('<webview> tag', function () {
       const message = 'boom!'
       webview.send('ping', message)
 
-      const {channel, args} = await waitForEvent(webview, 'ipc-message')
-      assert.equal(channel, 'pong')
-      assert.deepEqual(args, [message])
+      const { channel, args } = await waitForEvent(webview, 'ipc-message')
+      assert.strictEqual(channel, 'pong')
+      assert.deepStrictEqual(args, [message])
     })
 
     it('works without script tag in page', async () => {
@@ -317,11 +317,11 @@ describe('<webview> tag', function () {
     })
 
     it('ignores empty values', () => {
-      assert.equal(webview.preload, '')
+      assert.strictEqual(webview.preload, '')
 
       for (const emptyValue of ['', null, undefined]) {
         webview.preload = emptyValue
-        assert.equal(webview.preload, '')
+        assert.strictEqual(webview.preload, '')
       }
     })
   })
@@ -332,7 +332,7 @@ describe('<webview> tag', function () {
       const server = http.createServer((req, res) => {
         res.end()
         server.close()
-        assert.equal(req.headers.referer, referrer)
+        assert.strictEqual(req.headers.referer, referrer)
         done()
       }).listen(0, '127.0.0.1', () => {
         const port = server.address().port
@@ -528,7 +528,7 @@ describe('<webview> tag', function () {
       })
 
       const [, data] = await emittedOnce(ipcMain, 'isolated-world')
-      assert.deepEqual(data, {
+      assert.deepStrictEqual(data, {
         preloadContext: {
           preloadProperty: 'number',
           pageProperty: 'undefined',
@@ -557,20 +557,20 @@ describe('<webview> tag', function () {
       loadWebView(webview, {
         src: `file://${fixtures}/pages/window-open.html`
       })
-      const {url, frameName} = await waitForEvent(webview, 'new-window')
+      const { url, frameName } = await waitForEvent(webview, 'new-window')
 
-      assert.equal(url, 'http://host/')
-      assert.equal(frameName, 'host')
+      assert.strictEqual(url, 'http://host/')
+      assert.strictEqual(frameName, 'host')
     })
 
     it('emits when link with target is called', async () => {
       loadWebView(webview, {
         src: `file://${fixtures}/pages/target-name.html`
       })
-      const {url, frameName} = await waitForEvent(webview, 'new-window')
+      const { url, frameName } = await waitForEvent(webview, 'new-window')
 
-      assert.equal(url, 'http://host/')
-      assert.equal(frameName, 'target')
+      assert.strictEqual(url, 'http://host/')
+      assert.strictEqual(frameName, 'target')
     })
   })
 
@@ -580,10 +580,10 @@ describe('<webview> tag', function () {
         nodeintegration: 'on',
         src: `file://${fixtures}/pages/ipc-message.html`
       })
-      const {channel, args} = await waitForEvent(webview, 'ipc-message')
+      const { channel, args } = await waitForEvent(webview, 'ipc-message')
 
-      assert.equal(channel, 'channel')
-      assert.deepEqual(args, ['arg1', 'arg2'])
+      assert.strictEqual(channel, 'channel')
+      assert.deepStrictEqual(args, ['arg1', 'arg2'])
     })
   })
 
@@ -592,9 +592,9 @@ describe('<webview> tag', function () {
       loadWebView(webview, {
         src: `file://${fixtures}/pages/a.html`
       })
-      const {title, explicitSet} = await waitForEvent(webview, 'page-title-set')
+      const { title, explicitSet } = await waitForEvent(webview, 'page-title-set')
 
-      assert.equal(title, 'test')
+      assert.strictEqual(title, 'test')
       assert(explicitSet)
     })
   })
@@ -604,14 +604,14 @@ describe('<webview> tag', function () {
       loadWebView(webview, {
         src: `file://${fixtures}/pages/a.html`
       })
-      const {favicons} = await waitForEvent(webview, 'page-favicon-updated')
+      const { favicons } = await waitForEvent(webview, 'page-favicon-updated')
 
       assert(favicons)
-      assert.equal(favicons.length, 2)
+      assert.strictEqual(favicons.length, 2)
       if (process.platform === 'win32') {
         assert(/^file:\/\/\/[A-Z]:\/favicon.png$/i.test(favicons[0]))
       } else {
-        assert.equal(favicons[0], 'file:///favicon.png')
+        assert.strictEqual(favicons[0], 'file:///favicon.png')
       }
     })
   })
@@ -621,9 +621,9 @@ describe('<webview> tag', function () {
       loadWebView(webview, {
         src: `file://${fixtures}/pages/webview-will-navigate.html`
       })
-      const {url} = await waitForEvent(webview, 'will-navigate')
+      const { url } = await waitForEvent(webview, 'will-navigate')
 
-      assert.equal(url, 'http://host/')
+      assert.strictEqual(url, 'http://host/')
     })
   })
 
@@ -637,10 +637,10 @@ describe('<webview> tag', function () {
     })
 
     it('emits when a url that leads to outside of the page is clicked', async () => {
-      loadWebView(webview, {src: pageUrl})
-      const {url} = await waitForEvent(webview, 'did-navigate')
+      loadWebView(webview, { src: pageUrl })
+      const { url } = await waitForEvent(webview, 'did-navigate')
 
-      assert.equal(url, pageUrl)
+      assert.strictEqual(url, pageUrl)
     })
   })
 
@@ -653,17 +653,17 @@ describe('<webview> tag', function () {
         slashes: true,
         pathname: p
       })
-      loadWebView(webview, {src: pageUrl})
+      loadWebView(webview, { src: pageUrl })
       const event = await waitForEvent(webview, 'did-navigate-in-page')
-      assert.equal(event.url, `${pageUrl}#test_content`)
+      assert.strictEqual(event.url, `${pageUrl}#test_content`)
     })
 
     it('emits when window.history.replaceState is called', async () => {
       loadWebView(webview, {
         src: `file://${fixtures}/pages/webview-did-navigate-in-page-with-history.html`
       })
-      const {url} = await waitForEvent(webview, 'did-navigate-in-page')
-      assert.equal(url, 'http://host/')
+      const { url } = await waitForEvent(webview, 'did-navigate-in-page')
+      assert.strictEqual(url, 'http://host/')
     })
 
     it('emits when window.location.hash is changed', async () => {
@@ -674,15 +674,15 @@ describe('<webview> tag', function () {
         slashes: true,
         pathname: p
       })
-      loadWebView(webview, {src: pageUrl})
+      loadWebView(webview, { src: pageUrl })
       const event = await waitForEvent(webview, 'did-navigate-in-page')
-      assert.equal(event.url, `${pageUrl}#test`)
+      assert.strictEqual(event.url, `${pageUrl}#test`)
     })
   })
 
   describe('close event', () => {
     it('should fire when interior page calls window.close', async () => {
-      loadWebView(webview, {src: `file://${fixtures}/pages/close.html`})
+      loadWebView(webview, { src: `file://${fixtures}/pages/close.html` })
       await waitForEvent(webview, 'close')
     })
   })
@@ -696,7 +696,7 @@ describe('<webview> tag', function () {
       // Setup an event handler for further usage.
       const waitForDomReady = waitForEvent(webview2, 'dom-ready')
 
-      loadWebView(webview, {src: 'about:blank'})
+      loadWebView(webview, { src: 'about:blank' })
       await waitForEvent(webview, 'dom-ready')
       webview.getWebContents().setDevToolsWebContents(webview2.getWebContents())
       webview.getWebContents().openDevTools()
@@ -775,8 +775,8 @@ describe('<webview> tag', function () {
 
       webview.reload()
 
-      const {channel} = await waitForOnbeforeunload
-      assert.equal(channel, 'onbeforeunload')
+      const { channel } = await waitForOnbeforeunload
+      assert.strictEqual(channel, 'onbeforeunload')
     })
   })
 
@@ -785,13 +785,13 @@ describe('<webview> tag', function () {
       let loadCount = 1
       const listener = (e) => {
         if (loadCount === 1) {
-          assert.equal(e.channel, 'history')
-          assert.equal(e.args[0], 1)
+          assert.strictEqual(e.channel, 'history')
+          assert.strictEqual(e.args[0], 1)
           assert(!webview.canGoBack())
           assert(!webview.canGoForward())
         } else if (loadCount === 2) {
-          assert.equal(e.channel, 'history')
-          assert.equal(e.args[0], 2)
+          assert.strictEqual(e.channel, 'history')
+          assert.strictEqual(e.args[0], 2)
           assert(!webview.canGoBack())
           assert(webview.canGoForward())
           webview.removeEventListener('ipc-message', listener)
@@ -837,8 +837,8 @@ describe('<webview> tag', function () {
       })
       const event = await waitForEvent(webview, 'ipc-message')
 
-      assert.equal(event.channel, 'history')
-      assert.equal(event.args[0], 2)
+      assert.strictEqual(event.channel, 'history')
+      assert.strictEqual(event.args[0], 2)
       assert(webview.canGoBack())
 
       webview.clearHistory()
@@ -863,7 +863,7 @@ describe('<webview> tag', function () {
       server.listen(0, '127.0.0.1', () => {
         const port = server.address().port
         webview.addEventListener('ipc-message', (e) => {
-          assert.equal(e.channel, message)
+          assert.strictEqual(e.channel, message)
           done()
         })
         loadWebView(webview, {
@@ -925,7 +925,7 @@ describe('<webview> tag', function () {
           resolve(result)
         })
       })
-      assert.equal(result, expectedResult)
+      assert.strictEqual(result, expectedResult)
     })
   })
 
@@ -944,9 +944,9 @@ describe('<webview> tag', function () {
         modifiers: ['shift']
       })
 
-      const {channel, args} = await waitForIpcMessage
-      assert.equal(channel, 'keyup')
-      assert.deepEqual(args, ['C', 'KeyC', 67, true, false])
+      const { channel, args } = await waitForIpcMessage
+      assert.strictEqual(channel, 'keyup')
+      assert.deepStrictEqual(args, ['C', 'KeyC', 67, true, false])
     })
 
     it('can send mouse event', async () => {
@@ -964,15 +964,15 @@ describe('<webview> tag', function () {
         y: 20
       })
 
-      const {channel, args} = await waitForIpcMessage
-      assert.equal(channel, 'mouseup')
-      assert.deepEqual(args, [10, 20, false, true])
+      const { channel, args } = await waitForIpcMessage
+      assert.strictEqual(channel, 'mouseup')
+      assert.deepStrictEqual(args, [10, 20, false, true])
     })
   })
 
   describe('media-started-playing media-paused events', () => {
     it('emits when audio starts and stops playing', async () => {
-      await loadWebView(webview, {src: `file://${fixtures}/pages/audio.html`})
+      await loadWebView(webview, { src: `file://${fixtures}/pages/audio.html` })
 
       // XXX(alexeykuzmin): Starting from Ch66 playing an audio requires
       // a user interaction. See https://goo.gl/xX8pDD.
@@ -990,11 +990,11 @@ describe('<webview> tag', function () {
       let requestId = null
       let activeMatchOrdinal = []
       const listener = (e) => {
-        assert.equal(e.result.requestId, requestId)
-        assert.equal(e.result.matches, 3)
+        assert.strictEqual(e.result.requestId, requestId)
+        assert.strictEqual(e.result.matches, 3)
         activeMatchOrdinal.push(e.result.activeMatchOrdinal)
         if (e.result.activeMatchOrdinal === e.result.matches) {
-          assert.deepEqual(activeMatchOrdinal, [1, 2, 3])
+          assert.deepStrictEqual(activeMatchOrdinal, [1, 2, 3])
           webview.stopFindInPage('clearSelection')
           done()
         } else {
@@ -1006,7 +1006,7 @@ describe('<webview> tag', function () {
       }
       webview.addEventListener('found-in-page', listener)
       webview.addEventListener('did-finish-load', listener2)
-      loadWebView(webview, {src: `file://${fixtures}/pages/content.html`})
+      loadWebView(webview, { src: `file://${fixtures}/pages/content.html` })
       // TODO(deepak1556): With https://codereview.chromium.org/2836973002
       // focus of the webContents is required when triggering the api.
       // Remove this workaround after determining the cause for
@@ -1036,7 +1036,7 @@ describe('<webview> tag', function () {
             return callback(true)
           }
 
-          assert.equal(permission, requestedPermission)
+          assert.strictEqual(permission, requestedPermission)
           callback(false)
           if (completed) completed()
         }
@@ -1048,8 +1048,8 @@ describe('<webview> tag', function () {
       if (isCI) return done()
 
       webview.addEventListener('ipc-message', (e) => {
-        assert.equal(e.channel, 'message')
-        assert.deepEqual(e.args, ['PermissionDeniedError'])
+        assert.strictEqual(e.channel, 'message')
+        assert.deepStrictEqual(e.args, ['PermissionDeniedError'])
         done()
       })
       webview.src = `file://${fixtures}/pages/permissions/media.html`
@@ -1061,8 +1061,8 @@ describe('<webview> tag', function () {
 
     it('emits when using navigator.geolocation api', (done) => {
       webview.addEventListener('ipc-message', (e) => {
-        assert.equal(e.channel, 'message')
-        assert.deepEqual(e.args, ['User denied Geolocation'])
+        assert.strictEqual(e.channel, 'message')
+        assert.deepStrictEqual(e.args, ['User denied Geolocation'])
         done()
       })
       webview.src = `file://${fixtures}/pages/permissions/geolocation.html`
@@ -1074,8 +1074,8 @@ describe('<webview> tag', function () {
 
     it('emits when using navigator.requestMIDIAccess without sysex api', (done) => {
       webview.addEventListener('ipc-message', (e) => {
-        assert.equal(e.channel, 'message')
-        assert.deepEqual(e.args, ['SecurityError'])
+        assert.strictEqual(e.channel, 'message')
+        assert.deepStrictEqual(e.args, ['SecurityError'])
         done()
       })
       webview.src = `file://${fixtures}/pages/permissions/midi.html`
@@ -1087,8 +1087,8 @@ describe('<webview> tag', function () {
 
     it('emits when using navigator.requestMIDIAccess with sysex api', (done) => {
       webview.addEventListener('ipc-message', (e) => {
-        assert.equal(e.channel, 'message')
-        assert.deepEqual(e.args, ['SecurityError'])
+        assert.strictEqual(e.channel, 'message')
+        assert.deepStrictEqual(e.args, ['SecurityError'])
         done()
       })
       webview.src = `file://${fixtures}/pages/permissions/midi-sysex.html`
@@ -1107,8 +1107,8 @@ describe('<webview> tag', function () {
 
     it('emits when using Notification.requestPermission', (done) => {
       webview.addEventListener('ipc-message', (e) => {
-        assert.equal(e.channel, 'message')
-        assert.deepEqual(e.args, ['granted'])
+        assert.strictEqual(e.channel, 'message')
+        assert.deepStrictEqual(e.args, ['granted'])
         done()
       })
       webview.src = `file://${fixtures}/pages/permissions/notification.html`
@@ -1116,7 +1116,7 @@ describe('<webview> tag', function () {
       webview.setAttribute('nodeintegration', 'on')
       session.fromPartition(webview.partition).setPermissionRequestHandler((webContents, permission, callback) => {
         if (webContents.id === webview.getWebContents().id) {
-          assert.equal(permission, 'notifications')
+          assert.strictEqual(permission, 'notifications')
           setTimeout(() => { callback(true) }, 10)
         }
       })
@@ -1127,7 +1127,7 @@ describe('<webview> tag', function () {
   describe('<webview>.getWebContents', () => {
     it('can return the webcontents associated', async () => {
       const src = 'about:blank'
-      await loadWebView(webview, {src})
+      await loadWebView(webview, { src })
 
       const webviewContents = webview.getWebContents()
       assert(webviewContents)
@@ -1152,15 +1152,15 @@ describe('<webview> tag', function () {
 
       const [, visibilityState, hidden] = await pongSignal2
       assert(!hidden)
-      assert.equal(visibilityState, 'visible')
+      assert.strictEqual(visibilityState, 'visible')
     })
 
     it('inherits the parent window visibility state and receives visibilitychange events', async () => {
       const w = await openTheWindow({ show: false })
       w.loadFile(path.join(fixtures, 'pages', 'webview-visibilitychange.html'))
       let [, visibilityState, hidden] = await emittedOnce(ipcMain, 'pong')
-      assert.equal(visibilityState, 'hidden')
-      assert.equal(hidden, true)
+      assert.strictEqual(visibilityState, 'hidden')
+      assert.strictEqual(hidden, true)
 
       // We have to start waiting for the event
       // before we ask the webContents to resize.
@@ -1168,8 +1168,8 @@ describe('<webview> tag', function () {
       w.webContents.emit('-window-visibility-change', 'visible')
 
       return getResponse.then(([, visibilityState, hidden]) => {
-        assert.equal(visibilityState, 'visible')
-        assert.equal(hidden, false)
+        assert.strictEqual(visibilityState, 'visible')
+        assert.strictEqual(hidden, false)
       })
     })
   })
@@ -1221,7 +1221,7 @@ describe('<webview> tag', function () {
         src: `file://${fixtures}/pages/a.html`
       })
 
-      assert.equal(message, 'undefined')
+      assert.strictEqual(message, 'undefined')
     })
   })
 
@@ -1245,7 +1245,7 @@ describe('<webview> tag', function () {
 
     w.loadFile(path.join(fixtures, 'pages', 'webview-devtools.html'))
 
-    const [, {runtimeId, tabId}] = await emittedOnce(ipcMain, 'answer')
+    const [, { runtimeId, tabId }] = await emittedOnce(ipcMain, 'answer')
     expect(runtimeId).to.equal('foo')
     expect(tabId).to.be.not.equal(w.webContents.id)
   })
@@ -1441,7 +1441,7 @@ describe('<webview> tag', function () {
         src: `file://${path.join(fixtures, 'api', 'native-window-open-no-allowpopups.html')}`
       })
 
-      const [, {windowOpenReturnedNull}] = await emittedOnce(ipcMain, 'answer')
+      const [, { windowOpenReturnedNull }] = await emittedOnce(ipcMain, 'answer')
       expect(windowOpenReturnedNull).to.be.true()
     })
 
@@ -1463,7 +1463,7 @@ describe('<webview> tag', function () {
       loadWebView(webview, {
         src: `file://${fixtures}/pages/window-open.html`
       })
-      const {url, frameName} = await waitForEvent(webview, 'new-window')
+      const { url, frameName } = await waitForEvent(webview, 'new-window')
 
       expect(url).to.equal('http://host/')
       expect(frameName).to.equal('host')
diff --git a/spec/window-helpers.js b/spec/window-helpers.js
index 808f646f3cf..115fc278203 100644
--- a/spec/window-helpers.js
+++ b/spec/window-helpers.js
@@ -1,10 +1,10 @@
-const {expect} = require('chai')
-const {BrowserWindow} = require('electron').remote
+const { expect } = require('chai')
+const { BrowserWindow } = require('electron').remote
 
-const {emittedOnce} = require('./events-helpers')
+const { emittedOnce } = require('./events-helpers')
 
 exports.closeWindow = async (window = null,
-    {assertSingleWindow} = {assertSingleWindow: true}) => {
+  { assertSingleWindow } = { assertSingleWindow: true }) => {
   const windowExists = (window !== null) && !window.isDestroyed()
   if (windowExists) {
     const isClosed = emittedOnce(window, 'closed')
diff --git a/tools/get-endianness.js b/tools/get-endianness.js
index a910e664b05..fffd04aca40 100644
--- a/tools/get-endianness.js
+++ b/tools/get-endianness.js
@@ -1,6 +1,6 @@
 var os = require('os')
 if (os.endianness) {
   console.log(require('os').endianness() === 'BE' ? 'big' : 'little')
-} else {  // Your Node is rather old, but I don't care.
+} else { // Your Node is rather old, but I don't care.
   console.log('little')
 }