mirror of https://github.com/electron/electron
40 lines
1.3 KiB
TypeScript
40 lines
1.3 KiB
TypeScript
import { EventEmitter } from 'events';
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import { ParentPort } from '@electron/internal/utility/parent-port';
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const Module = require('module');
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const v8Util = process._linkedBinding('electron_common_v8_util');
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const entryScript: string = v8Util.getHiddenValue(process, '_serviceStartupScript');
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// We modified the original process.argv to let node.js load the init.js,
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// we need to restore it here.
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process.argv.splice(1, 1, entryScript);
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// Import common settings.
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require('@electron/internal/common/init');
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process._linkedBinding('electron_browser_event_emitter').setEventEmitterPrototype(EventEmitter.prototype);
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const parentPort: ParentPort = new ParentPort();
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Object.defineProperty(process, 'parentPort', {
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enumerable: true,
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writable: false,
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value: parentPort
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});
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// Based on third_party/electron_node/lib/internal/worker/io.js
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parentPort.on('newListener', (name: string) => {
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if (name === 'message' && parentPort.listenerCount('message') === 0) {
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parentPort.start();
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}
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});
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parentPort.on('removeListener', (name: string) => {
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if (name === 'message' && parentPort.listenerCount('message') === 0) {
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parentPort.pause();
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}
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});
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// Finally load entry script.
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process._firstFileName = Module._resolveFilename(entryScript, null, false);
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Module._load(entryScript, Module, true);
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