68 lines
2.0 KiB
JavaScript
68 lines
2.0 KiB
JavaScript
/*
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Copyright 2024 The Matrix.org Foundation C.I.C.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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import fs from "fs/promises";
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import path from "path";
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/**
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* This rollup plugin makes it possible to use the serviceworker with the dev server.
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* The service worker is located in `/src/platform/web/sw.js` and it contains some
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* fields that need to be replaced with sensible values.
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*
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* We have a plugin that does this during build (see `./service-worker.js`).
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* This plugin does more or less the same but for dev.
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*/
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export function transformServiceWorkerInDevServer() {
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// See https://vitejs.dev/config/shared-options.html#define
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// Comes from vite.config.js
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let define;
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return {
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name: "hydrogen:transformServiceWorkerInDevServer",
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apply: "serve",
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enforce: "pre",
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configResolved(resolvedConfig) {
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// store the resolved config
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define = resolvedConfig.define;
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},
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async load(id) {
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if (!id.includes("sw.js")) return null;
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let code = await readServiceWorkerCode();
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for (const [key, value] of Object.entries(define)) {
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code = code.replaceAll(key, value);
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}
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return code;
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},
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};
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}
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/**
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* Read service worker code from `src/platform/web/sw.js`
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* @returns code as string
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*/
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async function readServiceWorkerCode() {
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const resolvedLocation = path.resolve(
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__dirname,
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"../../",
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"./src/platform/web/sw.js"
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);
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const data = await fs.readFile(resolvedLocation, { encoding: "utf-8" });
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return data;
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}
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