createConfig.js

"use strict";

import path from 'path';
import json from 'rollup-plugin-json';
import commonjs from 'rollup-plugin-commonjs';
import resolve from 'rollup-plugin-node-resolve';
import babel from 'rollup-plugin-babel';
import typescript2 from 'rollup-plugin-typescript2';
import clear from 'rollup-plugin-clear';
import pkg from './package.json';
import { terser } from 'rollup-plugin-terser';
import fs from 'fs';

export const LIB_DIR = path.join(__dirname, './', 'src/lib')

export const ENTRY_MODULE_MAP = fs.readdirSync(path.resolve(LIB_DIR)).reduce((prev, name) => {
  const stat = fs.statSync(`${LIB_DIR}/${name}`)
  if (name.includes('.d.ts')) return prev
  if (stat.isDirectory()) {
    prev[`${name}/index`] = `${LIB_DIR}/${name}/index.ts`;
  } else {
    prev[`${name.replace('.ts', '')}`] = `${LIB_DIR}/${name}`;
  }
  return prev;
}, {});

const HEADER_TEXT = `
/**
 * d-utils  version: ${pkg.version}
 * by ifmiss
 */
`

const plugins = [
  clear({
    targets: ['dist']
  }),
  json(),
  typescript2(),
  babel({
    exclude: 'node_modules/**',
    runtimeHelpers: true
  }),
  resolve({
    mainFields: 'main',
    modulesOnly: true
  }),
  commonjs({
    include: 'node_modules/**',
    sourceMap: true,
    namedExports: {
      react: [
        'useState',
        'useEffect',
        'useMemo',
        'useCallBack',
        'useRef'
      ],
      'react-router-dom': [
        'useLocation'
      ]
    }
  }),
  terser({
    output: {
      comments: true
    }
  })
]

export const moduleLists = [
  {
    input: {
      index: 'src/lib/index.ts',
      ...ENTRY_MODULE_MAP
    },
    moduleType: 'es'
  },
  {
    input: {
      index: 'src/lib/index.ts',
    },
    moduleType: 'umd'
  },
  {
    input: {
      index: 'src/lib/index.ts',
      ...ENTRY_MODULE_MAP
    },
    moduleType: 'cjs'
  }
]

const external = [
  'sha1',
  'weixin-js-sdk'
]

export const createConfig = (input, moduleType) => {
  return {
    input,
    output: {
      dir:  path.resolve(__dirname,  `dist/${moduleType}`),
      format: moduleType,
      banner: HEADER_TEXT,
      exports: 'auto',
      name: '[name].js'
    },
    external,
    plugins
  }
}