import fs from 'fs';
import terser from '@rollup/plugin-terser';
import polyfillNode from 'rollup-plugin-polyfill-node';
import commonjs from '@rollup/plugin-commonjs';
import resolve from '@rollup/plugin-node-resolve';

const loadJSON = path => JSON.parse(fs.readFileSync(new URL(path, import.meta.url)));
const pkg = loadJSON('./package.json');

export default [
  {
    input: 'src/main.mjs',
    external: ['fs'],
    output: [
      {
        file: pkg.module,
        format: 'esm'
      },
      {
        file: pkg.browser,
        format: 'umd',
        name: 'analyze',
        globals: {
          fs: 'fs',
          path: 'path',
          url: 'url',
        }
      }
    ],
    plugins: [
      terser(),
      polyfillNode(),
      resolve(),
      commonjs({
        polyfillNode: true
      }),
    ]
  },
  {
    input: 'src/main.mjs',
    output: [
      {
        file: pkg.module.replace('.mjs', '.min.mjs'),
        format: 'esm'
      },
      {
        file: pkg.browser.replace('.js', '.min.js'),
        format: 'umd',
        name: 'analyze',
        globals: {
          fs: 'fs',
          path: 'path',
          url: 'url',
        }
      }
    ],
    plugins: [
      terser(),
      polyfillNode(),
      resolve(),
	    commonjs({
        polyfillNode: true
      }),
    ]
  }
];