feat: add support for running in sandboxed renderers

src/common/get-electron-binding.ts

@@ -1,3 +1,9 @@
-export const getElectronBinding: typeof process.electronBinding = process.electronBinding
-  ? (name: string) => process.electronBinding(name as any)
-  : (name: string) => (process as any)._linkedBinding('electron_common_' + name)
+export const getElectronBinding: typeof process.electronBinding = (name: string) => {
+  if ((process as any)._linkedBinding) {
+    return (process as any)._linkedBinding('electron_common_' + name)
+  } else if (process.electronBinding) {
+    return process.electronBinding(name as any)
+  } else {
+    return null
+  }
+}

src/common/module-names.ts

@@ -43,10 +43,10 @@ export const browserModuleNames = [
 
 const features = getElectronBinding('features');
 
-if (features.isDesktopCapturerEnabled()) {
+if (!features || features.isDesktopCapturerEnabled()) {
   browserModuleNames.push('desktopCapturer');
 }
 
-if (features.isViewApiEnabled()) {
+if (!features || features.isViewApiEnabled()) {
   browserModuleNames.push('ImageView');
 }

src/internal-ambient.d.ts

@@ -23,5 +23,6 @@ declare namespace NodeJS {
     electronBinding(name: 'event'): EventBinding;
     electronBinding(name: 'v8_util'): V8UtilBinding;
     electronBinding(name: 'features'): FeaturesBinding;
+    readonly contextId: string;
   }
 }

src/renderer/remote.ts

@@ -6,8 +6,6 @@ import { browserModuleNames } from '../common/module-names'
 import { getElectronBinding } from '../common/get-electron-binding'
 import { IPC_MESSAGES } from '../common/ipc-messages';
 
-const v8Util = getElectronBinding('v8_util')
-
 const callbacksRegistry = new CallbacksRegistry()
 const remoteObjectCache = new Map()
 const finalizationRegistry = new FinalizationRegistry((id: number) => {
@@ -35,8 +33,17 @@ function setCachedRemoteObject (id: number, value: any) {
   return value
 }
 
+function getContextId() {
+  const v8Util = getElectronBinding('v8_util')
+  if (v8Util) {
+    return v8Util.getHiddenValue<string>(global, 'contextId')
+  } else {
+    throw new Error('Electron v13.0.0-beta.6 required to support sandboxed renderers')
+  }
+}
+
 // An unique ID that can represent current context.
-const contextId = v8Util.getHiddenValue<string>(global, 'contextId')
+const contextId = process.contextId || getContextId()
 
 // Notify the main process when current context is going to be released.
 // Note that when the renderer process is destroyed, the message may not be