Doric/doric-cli/target/_rollup.config.js

import resolve from '@rollup/plugin-node-resolve'
import commonjs from '@rollup/plugin-commonjs'
import bundles from './build/index'
import fs from 'fs'
import path from 'path'
//import babel from 'rollup-plugin-babel';
import json from '@rollup/plugin-json'

function readDirs(dirPath, files) {
    if (fs.statSync(dirPath).isDirectory()) {
        fs.readdirSync(dirPath).forEach(e => {
            readDirs(path.join(dirPath, e), files)
        })
    } else {
        for (let bundle of bundles) {
            if (dirPath.match(new RegExp(`^${bundle}`))) {
                files.push(dirPath)
            }
        }
    }
}


const dirs = fs.readdirSync('.')
    .filter(e => {
        for (let bundle of bundles) {
            if (bundle.match(new RegExp(`^${e}/`))) {
                return true
            }
        }
        return false
    })

const allFiles = []

dirs.forEach(e => {
    readDirs(e, allFiles)
})
export default
    allFiles
        .map(e => e.replace('.ts', ''))
        .map(bundle => {
            return {
                input: `build/${bundle}.js`,
                output: {
                    format: "cjs",
                    file: `bundle/${bundle}.js`,
                    sourcemap: true,
                },
                plugins: [
                    resolve({ mainFields: ["jsnext"] }),
                    commonjs(),
                    json(),
                ],
                external: ['reflect-metadata', 'doric'],
                onwarn: function (warning) {
                    if (warning.code === 'THIS_IS_UNDEFINED') { return; }
                    console.warn(warning.message);
                }
            }
        })
// If need ES5 support enable following configs
        // .concat(
        //     allFiles
        //         .map(e => e.replace('.ts', ''))
        //         .map(bundle => {
        //             return {
        //                 input: `build/${bundle}.js`,
        //                 output: {
        //                     format: "cjs",
        //                     file: `bundle/${bundle}.es5.js`,
        //                     sourcemap: true,
        //                 },
        //                 plugins: [
        //                     resolve({ mainFields: ["jsnext"] }),
        //                     commonjs(),
        //                     buble({
        //                         transforms: { dangerousForOf: true }
        //                     }),
        //                 ],
        //                 external: ['reflect-metadata', 'doric'],
        //                 onwarn: function (warning) {
        //                     if (warning.code === 'THIS_IS_UNDEFINED') { return; }
        //                     console.warn(warning.message);
        //                 }
        //             }
        //         }))