rollup.config.js

import beep from '@rollup/plugin-beep';
import commonjs from '@rollup/plugin-commonjs';
import eslint from '@rollup/plugin-eslint';
import resolve from '@rollup/plugin-node-resolve';
import strip from '@rollup/plugin-strip';
import ts from '@wessberg/rollup-plugin-ts';
import filesize from 'rollup-plugin-filesize';
import { terser } from 'rollup-plugin-terser';

const suite = (input, output, dev = false) => ({
  input,
  plugins: [
    eslint(),
    commonjs(),
    resolve({ extensions: ['.ts'] }),
    ts(),
    beep(),
    dev
      ? undefined
      : strip({
          functions: ['console.*', 'error'],
          include: '**/*.(ts)',
        }),
  ],
  output,
  onwarn: () => {},
});

export const unit = ({ file, format, minify }) => ({
  file,
  format,
  name: 'Lucia',
  strict: true,
  plugins: minify
    ? [
        terser(),
        filesize({
          showBrotliSize: true,
          showMinifiedSize: false,
          showBeforeSizes: 'release',
          showGzippedSize: false,
        }),
      ]
    : [],
});

const devSuite = suite(
  './src/index.ts',
  [
    unit({
      file: './dist/lucia.js',
      format: 'iife',
    }),
  ],
  true,
);

const prodSuite = suite('./src/index.ts', [
  unit({
    file: './dist/lucia.esm.js',
    format: 'esm',
  }),
  unit({
    file: './dist/lucia.cjs.js',
    format: 'cjs',
  }),
  unit({
    file: './dist/lucia.umd.js',
    format: 'umd',
  }),
  unit({
    file: './dist/lucia.min.js',
    format: 'iife',
    minify: true,
  }),
]);

export default [devSuite, prodSuite];