babel-preset-es2015

🐠 Babel is a compiler for writing next generation JavaScript.

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Deprecated!
πŸ™Œ Thanks for using Babel: we recommend using babel-preset-env now: please read https://babeljs.io/env to update!

Readme

babel

The compiler for writing next generation JavaScript.

Gitpod ready-to-code

v7 npm Downloads v6 npm Downloads

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Supporting Babel

Backers on Open Collective Sponsors on Open Collective Business Strategy Status

Babel (pronounced "babble") is a community-driven project used by many companies and projects, and is maintained by a group of volunteers. If you'd like to help support the future of the project, please consider:

  • Giving developer time on the project. (Message us on Twitter or Slack for guidance!)
  • Giving funds by becoming a sponsor on Open Collective or GitHub (which goes to our Open Collective account)!

Sponsors

Our top sponsors are shown below! [Become a sponsor]

Intro

Babel is a tool that helps you write code in the latest version of JavaScript. When your supported environments don't support certain features natively, Babel will help you compile those features down to a supported version.

In

// ES2020 nullish coalescing
function greet(input) {
  return input ?? "Hello world";
}

Out

function greet(input) {
  return input != null ? input : "Hello world";
}

Try it out at our REPL.

FAQ

Who maintains Babel?

Mostly a handful of volunteers, funded by you! Please check out our team page!

Is there a Babel song?

I'm so glad you asked: Hallelujah β€”β€” In Praise of Babel by @angus-c, audio version by @swyx. Tweet us your recordings!

Looking for support?

For questions and support please join our Slack Community (you can sign up here for an invite), ask a question on Stack Overflow, or ping us on Twitter.

Where are the docs?

Check out our website: babeljs.io, and report issues/features at babel/website.

Want to report a bug or request a feature?

Please read through our CONTRIBUTING.md and fill out the issue template at babel/issues!

Want to contribute to Babel?

Check out:

Some resources:

How is the repo structured?

The Babel repo is managed as a monorepo that is composed of many npm packages.

License

MIT

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