[RFC] perf: use an internal module resolver to improve require performance (#14633)

* perf: use an internal module resolver instead of relative requires

* perf: memoize the results of getting exported Electron properties

* perf: make internal module changes consistent across sandboxed / bundled files

lib/browser/api/auto-updater.js

@@ -1,5 +1,5 @@
 if (process.platform === 'win32') {
-  module.exports = require('./auto-updater/auto-updater-win')
+  module.exports = require('@electron/internal/browser/api/auto-updater/auto-updater-win')
 } else {
-  module.exports = require('./auto-updater/auto-updater-native')
+  module.exports = require('@electron/internal/browser/api/auto-updater/auto-updater-native')
 }

lib/browser/api/auto-updater/auto-updater-win.js

@@ -2,7 +2,7 @@
 
 const { app } = require('electron')
 const { EventEmitter } = require('events')
-const squirrelUpdate = require('./squirrel-update-win')
+const squirrelUpdate = require('@electron/internal/browser/api/auto-updater/squirrel-update-win')
 
 class AutoUpdater extends EventEmitter {
   quitAndInstall () {

lib/browser/api/exports/electron.js

@@ -1,6 +1,6 @@
-const common = require('../../../common/api/exports/electron')
+const common = require('@electron/internal/common/api/exports/electron')
 // since browser module list is also used in renderer, keep it separate.
-const moduleList = require('../module-list')
+const moduleList = require('@electron/internal/browser/api/module-list')
 
 // Import common modules.
 common.defineProperties(exports)
@@ -8,6 +8,6 @@ common.defineProperties(exports)
 for (const module of moduleList) {
   Object.defineProperty(exports, module.name, {
     enumerable: !module.private,
-    get: () => require(`../${module.file}`)
+    get: common.memoizedGetter(() => require(`@electron/internal/browser/api/${module.file}.js`))
   })
 }

lib/browser/api/menu-item.js

@@ -1,6 +1,6 @@
 'use strict'
 
-const roles = require('./menu-item-roles')
+const roles = require('@electron/internal/browser/api/menu-item-roles')
 
 let nextCommandId = 0
 

lib/browser/api/menu.js

@@ -1,7 +1,7 @@
 'use strict'
 
 const { TopLevelWindow, MenuItem, webContents } = require('electron')
-const { sortMenuItems } = require('./menu-utils')
+const { sortMenuItems } = require('@electron/internal/browser/api/menu-utils')
 const EventEmitter = require('events').EventEmitter
 const v8Util = process.atomBinding('v8_util')
 const bindings = process.atomBinding('menu')

lib/browser/api/web-contents.js

@@ -6,7 +6,7 @@ const path = require('path')
 const url = require('url')
 const { app, ipcMain, session, NavigationController, deprecate } = electron
 
-const errorUtils = require('../../common/error-utils')
+const errorUtils = require('@electron/internal/common/error-utils')
 
 // session is not used here, the purpose is to make sure session is initalized
 // before the webContents module.