rollup.config.js

/* rollup.config.js */
import { version } from './package.json';
import { babel } from '@rollup/plugin-babel';
import { terser } from 'rollup-plugin-terser';

export default [
  {
    input: 'src/index.js',  // 入口文件
    output: {
      file: `dist/helper.esm.js`,
      format: 'esm',
      sourcemap: true,
    },
    plugins: [
      babel({
        extensions: [".js", ".ts"],
        exclude: "node_modules/**",
        babelHelpers: 'bundled'
      }),
      terser(),
    ],
  },
  {
    input: 'src/index.js',  // 入口文件
    output: {
      name: 'createHelper', // umd 模式必须要有 name  此属性作为全局变量访问打包结果
      file: `dist/index.js`,
      format: 'umd',
      sourcemap: true,
    },
    plugins: [
      babel({
        extensions: [".js", ".ts"],
        exclude: "node_modules/**",
        babelHelpers: 'bundled'
      }),
      // terser(),
    ],
  },
]