text: import svelte from "rollup-plugin-svelte";
  import commonjs from "@rollup/plugin-commonjs";
  import resolve from "@rollup/plugin-node-resolve";
  import livereload from "rollup-plugin-livereload";
  import { terser } from "rollup-plugin-terser";
  import sveltePreprocess from "svelte-preprocess";
  import typescript from "@rollup/plugin-typescript";
  import css from "rollup-plugin-css-only";
  
  const production = !process.env.ROLLUP_WATCH;
  
  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.ts",
    output: {
      sourcemap: true,
      format: "iife",
      name: "app",
      file: "public/build/bundle.js",
    },
    plugins: [
      svelte({
        preprocess: sveltePreprocess({
          sourceMap: !production,
          postcss: {
            plugins: [require("tailwindcss"), require("autoprefixer")],
          },
        }),
        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(),
      typescript({
        sourceMap: !production,
        inlineSources: !production,
      }),
  
      // 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(),
    ],
    watch: {
      clearScreen: false,
    },
  };
  