irisrad-ui/rollup.config.js

UI elements developered for IRIS R&D Group Inc

import babel from "@rollup/plugin-babel"; // convert es6 to es 5
import resolve from "@rollup/plugin-node-resolve";
import external from "rollup-plugin-peer-deps-external"; // handle any used external libs properly
import postcss from "rollup-plugin-postcss"; // make the css file loaded properly
import { terser } from "rollup-plugin-terser"; // minimize the sizes of prouction files
import image from "@rollup/plugin-image"; // image plugin
import path from "path";

const rollupPlugins = [
  babel({
    exclude: "node_modules/**",
    presets: ["@babel/preset-react"],
  }),
  external(),
  resolve({
    alias: {
      react: path.resolve("./node_modules/react"),
    },
  }),
  postcss({
    plugins: [],
    minimize: true,
  }),
  // terser(),
  image(),
];

const externals = {
  react: "react",
  "react-dom": "react-dom",
};

// const folders = [
//   "irisHeader",
//   "irisButton",
//   "irisModal",
//   // "irisIconButtons",
//   "irisGrid",
//   "irisMenu",
//   "irisDrawer",
//   "irisSideNav",
//   "irisInput",
// ];
const folders = [
  "irisButton",
  "irisDrawer",
  "irisDropDownMenu",
  "irisGrid",
  "irisHeader",
  "irisInput",
  "irisMenu",
  "irisModal",
  "irisMUIcon",
  "irisMultiSelect",
  "irisSelect",
  "irisSideNav",
  "irisGroupedSelect",
];
const dirs = folders.map((f) => {
  return {
    input: `./src/components/${f}/index.js`, // where exports all custom components
    output: [
      {
        file: `dist/${f}/index.js`,
        format: "cjs",
      },
      {
        file: `dist/${f}/index.es.js`,
        format: "es",
        exports: "named",
      },
    ],
    external: externals,
    plugins: rollupPlugins,
  };
});

export default [
  {
    input: "./src/index.js", // where exports all custom components
    output: [
      {
        file: "dist/index.js",
        format: "cjs",
      },
      {
        file: "dist/index.es.js",
        format: "es",
        exports: "named",
      },
    ],
    external: externals,
    plugins: rollupPlugins,
  },
  ...dirs,
];