const fs = require("fs"); const path = require("path"); const { execSync } = require("child_process"); import commonjs from "@rollup/plugin-commonjs"; import resolve from "@rollup/plugin-node-resolve"; import moment from "moment/moment"; import css from "rollup-plugin-css-only"; import livereload from "rollup-plugin-livereload"; import svelte from "rollup-plugin-svelte"; import svg from "rollup-plugin-svg"; import { terser } from "rollup-plugin-terser"; import sveltePreprocess from "svelte-preprocess"; const production = !process.env.ROLLUP_WATCH; let buildVersion; if (production) { buildVersion = process.env.GIT_REV.substring(0, 7); // latest commit hash } else { buildVersion = execSync("git rev-parse --short HEAD").toString(); } fs.writeFileSync( "build-info.js", "export default " + JSON.stringify({ buildDate: moment().format("MMMM Do YYYY, h:mm:ss a"), buildVersion, }) ); function serve() { let server; function toExit() { if (server) server.kill(0); } return { writeBundle() { if (server) return; server = require("child_process").spawn( "npm", ["run", "start", "--", "--dev"], { stdio: ["ignore", "inherit", "inherit"], shell: true, } ); process.on("SIGTERM", toExit); process.on("exit", toExit); }, }; } export default [ { input: "src/main.js", output: { sourcemap: true, format: "iife", name: "app", file: "public/build/bundle.js", }, plugins: [ svelte({ preprocess: sveltePreprocess({ sourceMap: !production }), 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" }), svg(), // 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(), // Watch the `public` directory and refresh the // browser on changes when not in production !production && livereload("public"), // If we're building for production (npm run build // instead of npm run dev), minify production && terser(), { name: "copy-comlink", generateBundle() { const buildDir = "./public/build"; if (!fs.existsSync(buildDir)) { fs.mkdirSync(buildDir); } fs.copyFileSync( path.resolve("./node_modules/comlink/dist/umd/comlink.min.js"), path.resolve("./public/build/comlink.min.js") ); }, }, ], watch: { clearScreen: false, }, }, { input: "src/workers/stats-worker.js", output: { sourcemap: true, format: "iife", name: "app", file: "public/build/stats-worker.js", }, plugins: [ // 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(), // If we're building for production (npm run build // instead of npm run dev), minify production && terser(), { name: "copy-test-worker", load() { this.addWatchFile(path.resolve("./src/workers/stats-worker.js")); }, generateBundle() { const buildDir = "./public/build"; if (!fs.existsSync(buildDir)) { fs.mkdirSync(buildDir); } fs.copyFileSync( path.resolve("./src/workers/stats-worker.js"), path.resolve("./public/build/stats-worker.js") ); }, }, ], }, ];