rollup.config.js

import commonjs from "@rollup/plugin-commonjs";
import resolve from "@rollup/plugin-node-resolve";
import svelte from "rollup-plugin-svelte";
import { terser } from "rollup-plugin-terser";

const production = !process.env.ROLLUP_WATCH;

export default [
  // Main bundle (options page)
  {
    input: "src/index.js",
    output: {
      sourcemap: true,
      format: "iife",
      name: "miniflux",
      file: "build/bundle.js",
    },
    plugins: [
      svelte({
        emitCss: false,
      }),

      // 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/rollup-plugin-commonjs
      resolve({
        browser: true,
        dedupe: (importee) =>
          importee === "svelte" || importee.startsWith("svelte/"),
      }),
      commonjs(),

      // If we're building for production (npm run build
      // instead of npm run dev), minify
      production && terser(),
    ],
    watch: {
      clearScreen: false,
    },
  },
  // Background bundle
  {
    input: "src/background.js",
    output: {
      sourcemap: true,
      format: "iife",
      file: "build/background.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/rollup-plugin-commonjs
      resolve({ browser: true }),
      commonjs(),

      // If we're building for production (npm run build
      // instead of npm run dev), minify
      production && terser(),
    ],
    watch: {
      clearScreen: false,
    },
  },
  // searchInjection bundle
  {
    input: "src/searchInjection.js",
    output: {
      sourcemap: true,
      format: "iife",
      file: "build/searchInjection.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/rollup-plugin-commonjs
      resolve({ browser: true }),
      commonjs(),

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