rollup.config.js

import devcert from "devcert";
import typescript from "rollup-plugin-typescript2";
import commonjs from "rollup-plugin-commonjs";
import nodeResolve from "rollup-plugin-node-resolve";
import babel from "rollup-plugin-babel";
import { terser } from "rollup-plugin-terser";
import serve from "rollup-plugin-serve";
import json from "@rollup/plugin-json";
import ignore from "./rollup-plugins/ignore";
import { ignoreTextfieldFiles } from "./elements/ignore/textfield";
import { ignoreSelectFiles } from "./elements/ignore/select";
import { ignoreSwitchFiles } from "./elements/ignore/switch";

export default async () => {
  const dev = process.env.ROLLUP_WATCH;
  const port = process.env.PORT || 8234;

  const serveopts = {
    contentBase: ["./dist"],
    port,
    allowCrossOrigin: true,
    headers: {
      "Access-Control-Allow-Origin": "*",
    },
    /**
     * If your HA is running on https, resources also need to be fetched from https URLs.
     * To handle this we create and register a dev certificate when you run `npm run start -- --https`
     */
    https: process.argv.includes("--https")
      ? await devcert.certificateFor("localhost", { getCaPath: true })
      : undefined,
  };

  const plugins = [
    nodeResolve({}),
    commonjs(),
    typescript(),
    json(),
    babel({
      exclude: "node_modules/**",
    }),
    dev && serve(serveopts),
    !dev && terser(),
    ignore({
      files: [...ignoreTextfieldFiles, ...ignoreSelectFiles, ...ignoreSwitchFiles].map((file) => require.resolve(file)),
    }),
  ];

  return [
    {
      input: "src/xiaomi-fan-card.ts",
      output: {
        dir: "dist",
        format: "es",
      },
      plugins: [...plugins],
    },
  ];
};