diff --git a/filenames.gni b/filenames.gni
index ee5185d01c3d..188473cc8957 100644
--- a/filenames.gni
+++ b/filenames.gni
@@ -67,7 +67,7 @@ filenames = {
     "lib/renderer/content-scripts-injector.js",
     "lib/renderer/init.js",
     "lib/renderer/inspector.js",
-    "lib/renderer/ipc-renderer-internal-utils.js",
+    "lib/renderer/ipc-renderer-internal-utils.ts",
     "lib/renderer/ipc-renderer-internal.js",
     "lib/renderer/remote.js",
     "lib/renderer/security-warnings.js",
diff --git a/lib/renderer/ipc-renderer-internal-utils.js b/lib/renderer/ipc-renderer-internal-utils.js
deleted file mode 100644
index e0c71aa4bf45..000000000000
--- a/lib/renderer/ipc-renderer-internal-utils.js
+++ /dev/null
@@ -1,30 +0,0 @@
-'use strict'
-
-const ipcRenderer = require('@electron/internal/renderer/ipc-renderer-internal')
-const errorUtils = require('@electron/internal/common/error-utils')
-
-let nextId = 0
-
-exports.invoke = function (command, ...args) {
-  return new Promise((resolve, reject) => {
-    const requestId = ++nextId
-    ipcRenderer.once(`${command}_RESPONSE_${requestId}`, (event, error, result) => {
-      if (error) {
-        reject(errorUtils.deserialize(error))
-      } else {
-        resolve(result)
-      }
-    })
-    ipcRenderer.send(command, requestId, ...args)
-  })
-}
-
-exports.invokeSync = function (command, ...args) {
-  const [ error, result ] = ipcRenderer.sendSync(command, ...args)
-
-  if (error) {
-    throw errorUtils.deserialize(error)
-  } else {
-    return result
-  }
-}
diff --git a/lib/renderer/ipc-renderer-internal-utils.ts b/lib/renderer/ipc-renderer-internal-utils.ts
new file mode 100644
index 000000000000..e76c461f41a0
--- /dev/null
+++ b/lib/renderer/ipc-renderer-internal-utils.ts
@@ -0,0 +1,30 @@
+import * as ipcRenderer from '@electron/internal/renderer/ipc-renderer-internal'
+import * as errorUtils from '@electron/internal/common/error-utils'
+
+let nextId = 0
+
+export function invoke<T> (command: string, ...args: any[]) {
+  return new Promise<T>((resolve, reject) => {
+    const requestId = ++nextId
+    ipcRenderer.once(`${command}_RESPONSE_${requestId}`, (
+      _event: Electron.Event, error: Electron.SerializedError, result: any
+    ) => {
+      if (error) {
+        reject(errorUtils.deserialize(error))
+      } else {
+        resolve(result)
+      }
+    })
+    ipcRenderer.send(command, requestId, ...args)
+  })
+}
+
+export function invokeSync<T> (command: string, ...args: any[]): T {
+  const [ error, result ] = ipcRenderer.sendSync(command, ...args)
+
+  if (error) {
+    throw errorUtils.deserialize(error)
+  } else {
+    return result
+  }
+}
diff --git a/package.json b/package.json
index be2f33e1b0bc..ba3ef2ce4947 100644
--- a/package.json
+++ b/package.json
@@ -76,6 +76,9 @@
   "aliasify": {
     "replacements": {
       "@electron/internal/(.+)": "./lib/$1"
+    },
+    "appliesTo": {
+      "includeExtensions": [".js", ".ts"]
     }
   },
   "lint-staged": {
diff --git a/typings/internal-electron.d.ts b/typings/internal-electron.d.ts
index e89610c35c3b..ffd0c2083814 100644
--- a/typings/internal-electron.d.ts
+++ b/typings/internal-electron.d.ts
@@ -6,9 +6,24 @@
  */
 
 declare namespace Electron {
+  enum ProcessType {
+    browser = 'browser',
+    renderer = 'renderer',
+    worker = 'worker'
+  }
+
   interface App {
     setVersion(version: string): void;
     setDesktopName(name: string): void;
     setAppPath(path: string | null): void;
   }
+
+  interface SerializedError {
+    message: string;
+    stack?: string,
+    name: string,
+    from: Electron.ProcessType,
+    cause: SerializedError,
+    __ELECTRON_SERIALIZED_ERROR__: true
+  }
 }