95 lines
3.0 KiB
JavaScript
95 lines
3.0 KiB
JavaScript
// Generate service worker.
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// Based on manifest, create a file with the content as service_worker.js
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const gulp = require("gulp");
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const path = require("path");
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const fs = require("fs-extra");
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const workboxBuild = require("workbox-build");
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const sourceMapUrl = require("source-map-url");
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const paths = require("../paths.cjs");
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const swDest = path.resolve(paths.app_output_root, "service_worker.js");
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const writeSW = (content) => fs.outputFileSync(swDest, content.trim() + "\n");
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gulp.task("gen-service-worker-app-dev", (done) => {
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writeSW(
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`
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console.debug('Service worker disabled in development');
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self.addEventListener('install', (event) => {
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// This will activate the dev service worker,
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// removing any prod service worker the dev might have running
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self.skipWaiting();
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});
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`
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);
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done();
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});
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gulp.task("gen-service-worker-app-prod", async () => {
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// Read bundled source file
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const bundleManifestLatest = require(path.resolve(
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paths.app_output_latest,
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"manifest.json"
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));
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let serviceWorkerContent = fs.readFileSync(
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paths.app_output_root + bundleManifestLatest["service_worker.js"],
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"utf-8"
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);
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// Delete old file from frontend_latest so manifest won't pick it up
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fs.removeSync(
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paths.app_output_root + bundleManifestLatest["service_worker.js"]
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);
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fs.removeSync(
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paths.app_output_root + bundleManifestLatest["service_worker.js.map"]
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);
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// Remove ES5
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const bundleManifestES5 = require(path.resolve(
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paths.app_output_es5,
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"manifest.json"
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));
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fs.removeSync(paths.app_output_root + bundleManifestES5["service_worker.js"]);
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fs.removeSync(
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paths.app_output_root + bundleManifestES5["service_worker.js.map"]
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);
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const workboxManifest = await workboxBuild.getManifest({
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// Files that mach this pattern will be considered unique and skip revision check
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// ignore JS files + translation files
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dontCacheBustURLsMatching: /(frontend_latest\/.+|static\/translations\/.+)/,
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globDirectory: paths.app_output_root,
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globPatterns: [
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"frontend_latest/*.js",
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// Cache all English translations because we catch them as fallback
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// Using pattern to match hash instead of * to avoid caching en-GB
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// 'v' added as valid hash letter because in dev we hash with 'dev'
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"static/translations/**/en-+([a-fv0-9]).json",
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// Icon shown on splash screen
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"static/icons/favicon-192x192.png",
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"static/icons/favicon.ico",
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// Common fonts
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"static/fonts/roboto/Roboto-Light.woff2",
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"static/fonts/roboto/Roboto-Medium.woff2",
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"static/fonts/roboto/Roboto-Regular.woff2",
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"static/fonts/roboto/Roboto-Bold.woff2",
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],
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});
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for (const warning of workboxManifest.warnings) {
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console.warn(warning);
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}
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// remove source map and add WB manifest
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serviceWorkerContent = sourceMapUrl.removeFrom(serviceWorkerContent);
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serviceWorkerContent = serviceWorkerContent.replace(
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"WB_MANIFEST",
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JSON.stringify(workboxManifest.manifestEntries)
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);
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// Write new file to root
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fs.writeFileSync(swDest, serviceWorkerContent);
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});
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