Rollup 2.10.9 async/await

rollup-async-await.md

Links

rollup/rollup-plugin-babel#312
https://stackoverflow.com/questions/33527653/babel-6-regeneratorruntime-is-not-defined/36821986#36821986

1. Install packages

$ npm i @babel/plugin-transform-runtime --save-dev
$ npm i @babel/runtime

2. Rollup config

Update rollup.config.js

  plugins: [
    babel({
      babelHelpers: 'runtime',
      plugins: [
        '@babel/plugin-transform-runtime',
      ],
    }),
  ]

Other option

This option produce a bigger build js file.

1. Install packages

$ npm i core-js
$ npm i regenerator-runtime

2. Babel config

Update .babelrc

{
  "presets": [
    [
      "@babel/env",
      {
        "modules": false,
        "useBuiltIns": "usage",
        "corejs": 3,
      }
    ]
  ]
}