rollup.config.js

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

import svelte from "rollup-plugin-svelte";
import resolve from "@rollup/plugin-node-resolve";
import commonjs from "@rollup/plugin-commonjs";
import { terser } from "rollup-plugin-terser";
import replace from "@rollup/plugin-replace";
import copy from "rollup-plugin-copy";
import css from "rollup-plugin-css-only";
import * as exec from "child_process";

const production = !process.env.ROLLUP_WATCH;

function serve() {
  let server;

  function toExit() {
    if (server) server.kill(0);
  }

  return {
    writeBundle() {
      if (server) return;
      server = exec.spawn(
        "npm",
        ["run", "start", "--", "--dev"],
        {
          stdio: ["ignore", "inherit", "inherit"],
          shell: true,
        }
      );

      process.on("SIGTERM", toExit);
      process.on("exit", toExit);
    },
  };
}

export default (cliArgs) => [{
  input: "src/main.js",
  output: {
    sourcemap: true,
    format: "iife",
    name: "app",
    file: "public/build/bundle.js",
  },
  plugins: [
    replace({
      // the following replacements build the site URLs.
      // In the templates, use (for example) __BASE_SITE_URL__/__FAQ_PATH__
      __BASE_SITE__: "https://rally.mozilla.org",
      // Support enabling/disabling the locale check to enable
      // the development workflows on other locales.
      __DISABLE_LOCALE_CHECK__: !!cliArgs["config-disable-locale-check"],
    }),
    copy({
      targets: [
        { src: 'node_modules/@mozilla-protocol/core/protocol/fonts/Inter-Bold.woff2', dest: 'public/fonts/'},
        { src: 'node_modules/@mozilla-protocol/core/protocol/fonts/Inter-Regular.woff2', dest: 'public/fonts/'},
        { src: 'node_modules/@mozilla-protocol/core/protocol/fonts/Inter-Italic.woff2', dest: 'public/fonts/'},
        { src: 'node_modules/@mozilla-protocol/core/protocol/fonts/ZillaSlab-Bold.woff2', dest: 'public/fonts/'},
        { src: 'node_modules/@mozilla-protocol/core/protocol/fonts/Metropolis-*.woff2', dest: 'public/fonts/'},
        { src: 'node_modules/@mozilla-protocol/core/protocol/css/protocol.css', dest: 'public/build/'},
        { src: 'node_modules/@mozilla-protocol/core/protocol/css/protocol-extra.css', dest: 'public/build/'}
      ]
    }),
    svelte({
      compilerOptions: {
        // enable run-time checks when not in production
        dev: !production
      }
    }),
    // we'll extract any component CSS out into
    // a separate file - better for performance
    css({ output: 'bundle.css' }),

    // If you have external dependencies installed from
    // npm, you'll most likely need these plugins. In
    // some cases you'll need additional configuration -
    // consult the documentation for details:
    // https://github.com/rollup/plugins/tree/master/packages/commonjs
    resolve({
      browser: true,
      dedupe: ["svelte"],
    }),
    commonjs(),

    // In dev mode, call `npm run start` once
    // the bundle has been generated
    !production && serve(),

    // If we're building for production (npm run build
    // instead of npm run dev), minify
    production && terser({
      mangle: false,
    }),
  ],
  watch: {
    clearScreen: false,
  },
}];