feat: manually mirror opencoze's code from bytedance
Change-Id: I09a73aadda978ad9511264a756b2ce51f5761adf
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65
frontend/packages/arch/load-remote-worker/src/index.ts
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65
frontend/packages/arch/load-remote-worker/src/index.ts
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/*
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* Copyright 2025 coze-dev Authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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// Inspire by https://github.com/jantimon/remote-web-worker
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// Patch Worker to allow loading scripts from remote URLs
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//
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// It's a workaround for the fact that the Worker constructor
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// accepts only local URLs, not remote URLs:
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// https://developer.mozilla.org/en-US/docs/Web/API/Worker/Worker
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//
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// As a workaround this patched Worker constructor will
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// use `importScripts` to load the remote script.
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// https://developer.mozilla.org/en-US/docs/Web/API/WorkerGlobalScope/importScripts
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//
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// Compatibility: Chrome 4+, Firefox 4+, Safari 4+
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export class RemoteWebWorker extends Worker {
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constructor(scriptURL, options) {
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const url = String(scriptURL);
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const remoteWorkerUrl =
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url.includes('://') &&
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!url.startsWith(location.origin) &&
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// 适配 @byted/uploader 等底层库的worker 调用
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!url.startsWith('blob:')
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? URL.createObjectURL(
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new Blob(
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[
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`importScripts=((i)=>(...a)=>i(...a.map((u)=>''+new URL(u,"${url}"))))(importScripts);importScripts("${url}")`,
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],
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{
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type: 'text/javascript',
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},
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),
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)
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: scriptURL;
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super(remoteWorkerUrl, options);
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}
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}
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// TODO: 这种实现很脏,会篡改全局实例容易引发意外,但短期内为了向后兼容,暂时保留,后续需要:
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// 1. 将业务代码中的 worker 调用切换为 RemoteWebWorker 调用
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// 2. 这个 package 本身需要增加 ut
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// 3. 增加 lint 规则,不允许直接调用 Worker,统一使用 RemoteWebWorker 版本
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/**
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* @deprecated Do not use this function!!!
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*/
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export const register = (global: typeof globalThis) => {
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if (typeof global !== 'undefined') {
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global.Worker = RemoteWebWorker;
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}
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};
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