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babel

30 indexed repositories · View on GitHub

babel
🐠 Babel is a compiler for writing next generation JavaScript.

TypeScript · 43996 stars
babel-loader
📦 Babel loader for webpack

JavaScript · 4835 stars
minify
:scissors: An ES6+ aware minifier based on the Babel toolchain (beta)

JavaScript · 4372 stars
babel-sublime
Syntax definitions for ES6 JavaScript with React JSX extensions.

JavaScript · 3238 stars
babelify
Browserify transform for Babel

JavaScript · 1676 stars
gulp-babel
Gulp plugin for Babel

JavaScript · 1307 stars
babel-upgrade
⬆️ A tool for upgrading Babel versions (to v7): `npx babel-upgrade`

JavaScript · 1303 stars
awesome-babel
😎A list of awesome Babel plugins, presets, etc.

877 stars
website
:globe_with_meridians: The Babel documentation website

TypeScript · 777 stars
preset-modules
A Babel preset that targets modern browsers by fixing engine bugs (will be merged into preset-env eventually)

JavaScript · 739 stars
proposals
✍️ Tracking the status of Babel's implementation of TC39 proposals (may be out of date)

435 stars
grunt-babel
Grunt plugin for Babel

JavaScript · 434 stars
generator-babel-boilerplate
A Yeoman generator to author libraries in ES2015 (and beyond!) for Node and the browser.

JavaScript · 378 stars
babel-polyfills
A set of Babel plugins that enable injecting different polyfills with different strategies in your compiled code.

TypeScript · 357 stars
babel-sublime-snippets
Next generation JavaScript and React snippets for Sublime

259 stars
ruby-babel-transpiler
Ruby Babel is a bridge to the JS Babel transpiler.

Ruby · 175 stars
karma-babel-preprocessor
Karma plugin for Babel

JavaScript · 168 stars
notes
♬ Notes from the @Babel Team (discuss in PRs)

123 stars
generator-babel-plugin
Babel Plugin generator for Yeoman

JavaScript · 122 stars
babel-bridge
A placeholder package that bridges babel-core to @babel/core.

JavaScript · 94 stars
10 more repositories live on View on GitHub

Open All

1161 open issues indexed

Well-known symbols enumerability Open

PR: Spec Compliance :eyeglasses:

babel/babel#1922 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
NameSpaceImport behavior is different from NamedImports behavior Open

area: modules

babel/babel#2276 · 10 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Comments not properly attached for static class methods and class instance properties Open

area: comments

babel/babel#2418 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Non-simple parameter messes up binding resolution Open

pkg: traverse (scope)

babel/babel#2471 · 12 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Class name on property assignment Open

PR: Spec Compliance :eyeglasses:

babel/babel#2624 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Transform __proto__ in object literals Open

PR: Spec Compliance :eyeglasses:

babel/babel#2947 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Implement class name inference in cases where conflicts can't be renamed (T6771) Open

PR: Spec Compliance :eyeglasses: Spec: Classes

babel/babel#3830 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Merged Rest and Spread operation (T6782) Open

area: perf claimed help wanted i: discussion Spec: Object Rest/Spread

babel/babel#3840 · 11 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Babylon removes the backslash from token list (T6833) Open

i: discussion

babel/babel#3879 · 14 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Binding still thinks it's being referenced despite the sole referrer having been replaceWith'd into oblivion (T6837) Open

pkg: traverse (scope)

babel/babel#3883 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[feature-request][discussion][babel-plugin-transform-es2015-parameters] decrease byte size of transformed function (T6892) Open

area: perf help wanted

babel/babel#3927 · 15 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Input source map for CLI (T6911) Open

area: sourcemaps pkg: cli

babel/babel#3940 · 7 comments · 9 reactions · 0 assignees · Indexed Sep 14, 2026
Add an API for disabling logging (T6955) Open

babel/babel#3976 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
CLI (babel init) command to guide people through setting up Babel (T6956) Open

help wanted i: discussion

babel/babel#3977 · 25 comments · 2 reactions · 1 assignee · Indexed Sep 14, 2026
Alternate module mode for export interop (T6958) Open

area: modules

babel/babel#3979 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
wrong function name when function name overlaps with var variable (T7014) Open

babel/babel#4020 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ES2015 preset not compatible with modules exposing mutable fields when using namespace import syntax (T7097) Open

area: modules

babel/babel#4081 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Re-enable `requeue` for queuing in parent contexts (T7166) Open

babel/babel#4140 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
pushContext and popContext should be symmetrical (T7171) Open

babel/babel#4145 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Comments in rendering code not retained after transformation of ReactNative JSX (T7193) Open

area: comments area: jsx

babel/babel#4164 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
UMD with "moduleIds" set to true generates wrong "browserArgs" (T7202) Open

babel/babel#4171 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Babel uses "local" globals in the code it injects, even before these are defined (T7291) Open

babel/babel#4241 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Incorrect scope after transform-es2015-block-scoping (T7429) Open

pkg: traverse (scope)

babel/babel#4346 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
babel-register uses a potentially incorrect cache key (T7431) Open

pkg: register

babel/babel#4347 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Source mappings generated by babel-generator are incorrect (T7453) Open

area: sourcemaps

babel/babel#4366 · 5 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
ModuleIDs don't play well with browser requirements for UMD (T7474) Open

area: modules

babel/babel#4381 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Symbol.hasInstance on a class causes classCallCheck to fail. (T7554) Open

babel/babel#4452 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
object-rest-spread doesn't handle getters/setters and loses [[HomeObject]] for super Open

PR: Spec Compliance :eyeglasses: Spec: Object Rest/Spread

babel/babel#4647 · 3 comments · 3 reactions · 0 assignees · Indexed Sep 14, 2026
Newly created bindings are not registered Open

pkg: traverse pkg: traverse (scope)

babel/babel#4815 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
traverse.clearCache & scope.crawl resets scope of var to let when used with block-scoping Open

pkg: traverse pkg: traverse (scope)

babel/babel#4818 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
scope.references is always empty except for Program scope Open

pkg: traverse (scope)

babel/babel#4820 · 2 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
for-of, spread and destructuring: unify behaviour in standard and loose modes Open

i: discussion

babel/babel#4916 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Children-First Traversal Option Open

i: discussion pkg: traverse

babel/babel#4956 · 11 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Create TRADEOFFS.md Open

help wanted i: discussion PR: Docs :memo:

babel/babel#4959 · 5 comments · 4 reactions · 1 assignee · Indexed Sep 14, 2026
Features support data source Open

i: discussion imported pkg: preset-env

babel/babel#6637 · 26 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Checking if __esModule is truthful to determine whether imported module is a ES6 module does not work with Proxy Open

babel/babel#5079 · 6 comments · 4 reactions · 0 assignees · Indexed Sep 14, 2026
Scope unchanged after `path.replaceWith` from within `path.traverse` Open

pkg: traverse (scope)

babel/babel#5171 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
`path.getTypeAnnotation()` throws Open

pkg: traverse

babel/babel#5178 · 4 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Spec: Multiple calls to super should throw after constructor succeeds for the second time Open

PR: Spec Compliance :eyeglasses: Spec: Classes

babel/babel#5207 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Ability to define a custom namespace for external helpers Open

area: helpers

babel/babel#5217 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Edge case; functions in object literals cannot be constructors Open

babel/babel#5237 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
sourceType: template Open

imported pkg: parser

babel/babel#6703 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Consider implementing Annex B.3.3 block scoping and keep behavior in mind Open

pkg: traverse (scope)

babel/babel#5266 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 14, 2026
access to all child scopes of given scope? Open

pkg: traverse (scope)

babel/babel#5267 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Provide information to users about code size, speed, etc Open

i: discussion

babel/babel#5340 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
transform-react-inline-elements causes duplicate react error Open

area: react

babel/babel#5357 · 30 comments · 6 reactions · 0 assignees · Indexed Sep 14, 2026
RFC: Move caching from babel-(loader|register) to babel-core and plugin framework Open

i: discussion pkg: core

babel/babel#5372 · 18 comments · 3 reactions · 0 assignees · Indexed Sep 14, 2026
Get programmatically a list of used plugins Open

PR: New Feature :rocket:

babel/babel#5374 · 14 comments · 7 reactions · 0 assignees · Indexed Sep 14, 2026
Plugins using Flow declarations as bindings Open

area: flow Has PR

babel/babel#5395 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Using transform-react-inline-elements in combination with Babili results in an undefined variable. Open

babel/babel#5424 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026

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