131 lines
5.1 KiB
JavaScript
131 lines
5.1 KiB
JavaScript
// *************************************************************************
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// * (C)opyright 2026 by Ruben Carlo Benante *
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// * *
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// * This program is free software; you can redistribute it and/or modify *
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// * it under the terms of the GNU General Public License as published by *
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// * the Free Software Foundation, either version 3 of the License, or *
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// * (at your option) any later version. *
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// * *
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// * This program is distributed in the hope that it will be useful, *
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// * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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// * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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// * GNU General Public License for more details. *
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// * *
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// * You should have received a copy of the GNU General Public License *
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// * along with this program. If not, see http://www.gnu.org/licenses/. *
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// * *
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// * Contact author at: *
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// * Ruben Carlo Benante *
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// * rcb@beco.cc *
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// *************************************************************************
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import esbuild from 'esbuild';
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import process from 'process';
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import { cp, mkdir, readFile, readdir, writeFile } from 'node:fs/promises';
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const banner = `/*
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* logsdu - fills and submits a three-field academic portal login.
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* Copyright (C) 2026 Ruben Carlo Benante (Dr. Beco) <rcb@beco.cc>
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* Licensed under the GNU General Public License v3.0 or later.
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* See https://www.gnu.org/licenses/ and the LICENSE file.
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*
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* THIS IS A GENERATED/BUNDLED FILE BY ESBUILD.
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* To view the source, visit the repository of this extension.
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*/
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`;
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const prod = process.argv[2] === 'production';
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// Target browser. Firefox and Chrome disagree on exactly one manifest key, so
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// the manifest is written per target rather than duplicated in the tree.
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const target = process.env.TARGET === 'chrome' ? 'chrome' : 'firefox';
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// Each target gets its own directory. They used to share one, and the result
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// was that whichever build ran last silently won: loading the other browser's
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// output then failed with a confusing manifest error. Separate directories
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// mean both can exist at once and neither can be stale by accident.
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const outdir = `build/${target}`;
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/**
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* Write the manifest for the target browser.
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*
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* Firefox MV3 runs the background as an event page ("scripts"); Chrome MV3
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* requires a service worker and rejects "scripts" outright, so the two cannot
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* simply coexist in one file. Chrome also has no use for the gecko block.
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*/
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async function writeManifest() {
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const manifest = JSON.parse(await readFile('src/manifest.json', 'utf8'));
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if (target === 'chrome') {
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delete manifest.browser_specific_settings;
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manifest.background = { service_worker: 'background.js' };
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}
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await writeFile(
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`${outdir}/manifest.json`,
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`${JSON.stringify(manifest, null, '\t')}\n`,
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);
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}
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// Everything that is not TypeScript is copied verbatim into the output, so
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// that the directory can be handed straight to about:debugging or to Chrome's
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// "Load unpacked".
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async function copyStatic() {
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await mkdir(outdir, { recursive: true });
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for (const name of await readdir('src')) {
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if (name.endsWith('.html') || name.endsWith('.css')) {
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await cp(`src/${name}`, `${outdir}/${name}`);
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}
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}
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await cp('icons', `${outdir}/icons`, { recursive: true });
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await writeManifest();
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}
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await copyStatic();
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// In watch mode the static files must follow every rebuild, otherwise editing
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// manifest.json or a .html file silently changes nothing in the output.
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const staticPlugin = {
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name: 'copy-static',
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setup(build) {
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build.onEnd(() => copyStatic());
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},
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};
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const context = await esbuild.context({
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banner: {
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js: banner,
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},
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plugins: [staticPlugin],
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// Five independent entry points: no shared runtime, no imports at load
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// time. Content scripts and page-world scripts cannot be ES modules, so
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// every bundle has to stand alone.
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entryPoints: [
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'src/background.ts',
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'src/content.ts',
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'src/injected.ts',
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'src/options.ts',
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'src/popup.ts',
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],
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bundle: true,
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format: 'iife',
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target: 'es2021',
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logLevel: 'info',
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sourcemap: prod ? false : 'inline',
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treeShaking: true,
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outdir,
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// Deliberately never minified. addons.mozilla.org requires a separate
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// source-code submission for any add-on whose uploaded code is minified or
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// otherwise machine-generated, and that obligation would apply to every
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// release from now on. The whole extension is a few tens of kilobytes, so
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// the saving would not pay for the process, and shipping readable code
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// makes the review -- and anyone auditing what handles their credentials --
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// straightforward.
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minify: false,
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});
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if (prod) {
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await context.rebuild();
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process.exit(0);
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} else {
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await context.watch();
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}
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