Add AudioWorklet globals (#249)

Author: fisker

data/browser.mjs

@@ -33,7 +33,9 @@ export default {
 	AudioScheduledSourceNode: false,
 	AudioSinkInfo: false,
 	AudioWorklet: false,
+	AudioWorkletGlobalScope: false,
 	AudioWorkletNode: false,
+	AudioWorkletProcessor: false,
 	AuthenticatorAssertionResponse: false,
 	AuthenticatorAttestationResponse: false,
 	AuthenticatorResponse: false,
@@ -162,6 +164,8 @@ export default {
 	CSSUnitValue: false,
 	CSSUnparsedValue: false,
 	CSSVariableReferenceValue: false,
+	currentFrame: false,
+	currentTime: false,
 	CustomElementRegistry: false,
 	customElements: false,
 	CustomEvent: false,
@@ -729,6 +733,7 @@ export default {
 	ReadableStreamBYOBRequest: false,
 	ReadableStreamDefaultController: false,
 	ReadableStreamDefaultReader: false,
+	registerProcessor: false,
 	RelativeOrientationSensor: false,
 	RemotePlayback: false,
 	removeEventListener: false,
@@ -766,6 +771,7 @@ export default {
 	RTCSessionDescription: false,
 	RTCStatsReport: false,
 	RTCTrackEvent: false,
+	sampleRate: false,
 	scheduler: false,
 	Scheduler: false,
 	Scheduling: false,
@@ -1037,6 +1043,7 @@ export default {
 	WindowControlsOverlayGeometryChangeEvent: false,
 	Worker: false,
 	Worklet: false,
+	WorkletGlobalScope: false,
 	WritableStream: false,
 	WritableStreamDefaultController: false,
 	WritableStreamDefaultWriter: false,

globals.json

@@ -355,7 +355,9 @@
 		"AudioScheduledSourceNode": false,
 		"AudioSinkInfo": false,
 		"AudioWorklet": false,
+		"AudioWorkletGlobalScope": false,
 		"AudioWorkletNode": false,
+		"AudioWorkletProcessor": false,
 		"AuthenticatorAssertionResponse": false,
 		"AuthenticatorAttestationResponse": false,
 		"AuthenticatorResponse": false,
@@ -484,6 +486,8 @@
 		"CSSUnitValue": false,
 		"CSSUnparsedValue": false,
 		"CSSVariableReferenceValue": false,
+		"currentFrame": false,
+		"currentTime": false,
 		"CustomElementRegistry": false,
 		"customElements": false,
 		"CustomEvent": false,
@@ -1051,6 +1055,7 @@
 		"ReadableStreamBYOBRequest": false,
 		"ReadableStreamDefaultController": false,
 		"ReadableStreamDefaultReader": false,
+		"registerProcessor": false,
 		"RelativeOrientationSensor": false,
 		"RemotePlayback": false,
 		"removeEventListener": false,
@@ -1088,6 +1093,7 @@
 		"RTCSessionDescription": false,
 		"RTCStatsReport": false,
 		"RTCTrackEvent": false,
+		"sampleRate": false,
 		"scheduler": false,
 		"Scheduler": false,
 		"Scheduling": false,
@@ -1359,6 +1365,7 @@
 		"WindowControlsOverlayGeometryChangeEvent": false,
 		"Worker": false,
 		"Worklet": false,
+		"WorkletGlobalScope": false,
 		"WritableStream": false,
 		"WritableStreamDefaultController": false,
 		"WritableStreamDefaultWriter": false,

scripts/get-browser-globals.mjs

@@ -3,6 +3,7 @@ import http from 'node:http';
 import assert from 'node:assert/strict';
 import puppeteer from 'puppeteer';
 import getPort from 'get-port';
+import {outdent} from 'outdent';
 import {getGlobalThisProperties, createGlobals} from './utilities.mjs';
 
 const ignoredGlobals = new Set([
@@ -134,7 +135,11 @@ async function navigateToSecureContext(page, responses) {
 	};
 }
 
-async function runInBrowser(function_, {product, secureContext = false} = {}) {
+async function runInBrowser(function_, {
+	product,
+	secureContext = false,
+	arguments: arguments_ = [],
+} = {}) {
 	await downloadBrowser({product});
 
 	const browser = await puppeteer.launch({product});
@@ -150,13 +155,47 @@ async function runInBrowser(function_, {product, secureContext = false} = {}) {
 			);
 		}
 
-		return await page.evaluate(function_);
+		return await page.evaluate(function_, arguments_);
 	} finally {
 		await browser.close();
 		await server?.close();
 	}
 }
 
+async function runInAudioWorklet(function_) {
+	const workletCode = outdent`
+		registerProcessor('execute-processor', class extends AudioWorkletProcessor {
+			constructor() {
+				super();
+
+				this.port.postMessage(${function_}());
+			}
+			process() {
+				return true;
+			}
+		});
+	`;
+
+	return runInBrowser(async workletCode => {
+		// eslint-disable-next-line no-undef -- execute in browser
+		const context = new AudioContext();
+		const workletUrl = URL.createObjectURL(new Blob([workletCode], {type: 'application/javascript'}));
+		await context.audioWorklet.addModule(workletUrl);
+		URL.revokeObjectURL(workletUrl);
+		return new Promise(resolve => {
+			// eslint-disable-next-line no-undef -- execute in browser
+			const node = new AudioWorkletNode(context, 'execute-processor');
+			// eslint-disable-next-line unicorn/prefer-add-event-listener -- not working
+			node.port.onmessage = ({data}) => {
+				resolve(data);
+			};
+		});
+	}, {
+		secureContext: true,
+		arguments: [workletCode],
+	});
+}
+
 async function runInWebWorker(function_) {
 	await downloadBrowser();
 
@@ -196,11 +235,13 @@ async function runInWebWorker(function_) {
 async function getBrowserGlobals() {
 	const chromeGlobals = await runInBrowser(getGlobalThisProperties, {secureContext: true});
 	const firefoxGlobals = await runInBrowser(getGlobalThisProperties, {product: 'firefox', secureContext: true});
+	const audioWorkletGlobals = await runInAudioWorklet(getGlobalThisProperties);
 
 	return createGlobals(
 		[
 			...chromeGlobals,
 			...firefoxGlobals,
+			...audioWorkletGlobals,
 		],
 		{
 			shouldExclude,