rollup.config.js

/* eslint-disable camelcase, import/no-default-export */

import commonjs from "@rollup/plugin-commonjs";
import resolve from "@rollup/plugin-node-resolve";
import babel from "rollup-plugin-babel";
import ignore from "rollup-plugin-ignore";
import builtins from "rollup-plugin-node-builtins";
import globals from "rollup-plugin-node-globals";
import { terser } from "rollup-plugin-terser";

import pkg from "./package.json";

export default [
  // CommonJS
  {
    input: "src/index.js",
    output: {
      file: "lib/introversion.js",
      format: "cjs",
      exports: "named",
    },
    external: [
      ...Object.keys(pkg.dependencies || {}),
      ...Object.keys(pkg.peerDependencies || {}),
    ],
    plugins: [babel(), resolve({ preferBuiltins: true })],
  },

  // ES
  {
    input: "src/index.js",
    output: {
      file: "es/introversion.js",
      format: "es",
    },
    external: [
      ...Object.keys(pkg.dependencies || {}),
      ...Object.keys(pkg.peerDependencies || {}),
    ],
    plugins: [babel()],
  },

  // ES for Browsers
  {
    input: "src/index.js",
    output: {
      file: "es/introversion.mjs",
      format: "es",
    },
    external: [
      ...Object.keys(pkg.dependencies || {}),
      ...Object.keys(pkg.peerDependencies || {}),
    ],
    plugins: [
      babel(),
      resolve({ preferBuiltins: true }),
      terser({
        compress: {
          pure_getters: true,
          unsafe: true,
          unsafe_comps: true,
          warnings: false,
        },
      }),
    ],
  },

  // UMD Development
  {
    input: "src/index.js",
    output: {
      file: "dist/introversion.js",
      format: "umd",
      name: "Introversion",
      exports: "named",
      indent: false,
    },
    plugins: [
      ignore(["chalk", "util"]),
      babel(),
      resolve({ preferBuiltins: true }),
      commonjs(),
      globals(),
      builtins(),
    ],
  },

  // UMD Production
  {
    input: "src/index.js",
    output: {
      file: "dist/introversion.min.js",
      format: "umd",
      name: "Introversion",
      exports: "named",
      indent: false,
    },
    plugins: [
      ignore(["chalk", "util"]),
      babel(),
      resolve({ preferBuiltins: true }),
      commonjs(),
      globals(),
      builtins(),
      terser({
        compress: {
          pure_getters: true,
          unsafe: true,
          unsafe_comps: true,
          warnings: false,
        },
      }),
    ],
  },
];