detect-es

Detect ESnext features in your code.

Use cases

Prevent from shipping unexpected ES6 code to your users, and more...

What's supported?

Features

• const
• let
• template literal
• tagged template literal
• class
• arrow function
• async/await
• es module
• dynamic import
• destructuring
• generator
• for..of
• PR to add more...

APIs

• Object.assign
• Map Set WeakMap WeakSet
• Promise
• Proxy
• PR to add more...

Install

yarn global add detect-es

CLI

detect-es foo.js

API

const { parse }  = require('detect-es')

const stats = parse('const foo = {...bar}')
console.log(stats.has('const'))
// true
console.log(stats.has('object_rest_spread'))
// true

Contributing

1. Fork it!
2. Create your feature branch: git checkout -b my-new-feature
3. Commit your changes: git commit -am 'Add some feature'
4. Push to the branch: git push origin my-new-feature
5. Submit a pull request :D

Author

detect-es © EGOIST, Released under the MIT License.
Authored and maintained by EGOIST with help from contributors (list).

egoist.moe · GitHub @EGOIST · Twitter @_egoistlily