jest-runner-rollup

Jest runner for Rollup, plays very very nicely in monorepo scenarios

Please consider following this project's author, Charlike Mike Reagent, and ⭐️ the project to show your ❤️ and support.

If you have any how-to kind of questions, please read the Contributing Guide and Code of Conduct documents. For bugs reports and feature requests, please create an issue or ping @tunnckoCore at Twitter.

Project is semantically versioned & automatically released from GitHub Actions with Lerna.

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Any legal or licensing questions, like private or commerical use
For any critical problems and security reports
Consulting, professional support, personal or team training
For any questions about Open Source, partnerships and sponsoring

Table of Contents

• Install
• Usage
• Contributing
  • Guides and Community
  • Support the project
  • OPEN Open Source
  • Wonderful Contributors
• License

(TOC generated by verb using markdown-toc)

Install

This project requires Node.js >=10.13 (see Support & Release Policy). Install it using yarn or npm.
We highly recommend to use Yarn when you think to contribute to this project.

$ yarn add jest-runner-rollup

Usage

First, put it in your Jest config

module.exports = {
  rootDir: __dirname,
  displayName: 'bundle',
  testMatch: [
    // if there is no extension, it try to autodetect it.
    '<rootDir>/packages/*/src/index',
  ],
  moduleFileExtensions: ['js', 'jsx', 'ts', 'tsx', 'mjs'],
  runner: 'jest-runner-rollup',
};

Then, write Rollup config file. It automatically detects your rollup.config.js. If you want you also can name it .rolluprc.js, jest-runner-rollup.config.js, or put your config in jest-runner.config.js (this config file can be used for other jest runners too), like so

module.exports = {
  rollup: {
    plugins: [
      /*
      commonjs(),
      nodeResolve()
      */
    ],
    output: [
      { preferConst: true, format: 'cjs', exports: 'named' },
      { preferConst: true, format: 'esm' },
    ],
  },
};

By default, the bundle file will be dist/<format>/index.js, even if only one output format is given. If you want to change that behavior, you can pass output.file.

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Contributing

Guides and Community

Please read the Contributing Guide and Code of Conduct documents for advices.

For bug reports and feature requests, please join our community forum and open a thread there with prefixing the title of the thread with the name of the project if there's no separate channel for it.

Consider reading the Support and Release Policy guide if you are interested in what are the supported Node.js versions and how we proceed. In short, we support latest two even-numbered Node.js release lines.

Support the project

Become a Partner or Sponsor? 💵 Check the Partner, Sponsor or Omega-level tiers! 🎉 You can get your company logo, link & name on this file. It's also rendered on package page in npmjs.com and yarnpkg.com sites too! 🚀

Not financial support? Okey! Pull requests, stars and all kind of contributions are always welcome. ✨

Wonderful Contributors

Thanks to the hard work of these wonderful people this project is alive! It follows the all-contributors specification. Don't hesitate to add yourself to that list if you have made any contribution! ;) See how, here.

Charlike Mike Reagent 💻 📖 💬 👀 🔍

Consider showing your support to them. 💖

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License

Copyright (c) 2019-present, Charlike Mike Reagent <opensource@tunnckocore.com> & contributors.
Released under the MPL-2.0 License.