babel/babel-loader

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📦 Babel loader for webpack

Stars: 4.8k
Forks: 457
Open beginner issues: 0
Indexed issues: 59
Avg merge: 9h 19m
Merged PRs (30d): 2

Dominant language: JavaScript
License: MIT
Last GitHub push: Sep 3, 2026
Latest indexed: Sep 14, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: help wanted

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59 open issues indexed

Bug: Not taking into account conversion between Number and BigInt for Math.pow usage Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

babel/babel-loader#1050 · 2 comments · Opened Feb 10, 2025
Feature request: Different browserslistEnv based on webpack target. Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

babel/babel-loader#990 · 1 comment · 2 reactions · Opened May 31, 2023
Babel-loader Cache - unable to cache in changing directory environment Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

babel/babel-loader#985 · 3 comments · Opened Feb 26, 2023
Cache files take up too much disk space Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

babel/babel-loader#978 · 1 reaction · Opened Dec 30, 2022
In lerna project, use exclude and include is not working. Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

babel/babel-loader#955 · 1 comment · Opened Oct 18, 2022
Error when try to use .mjs babel.config.mjs file Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

babel/babel-loader#953 · 3 comments · Opened Sep 23, 2022
`cacheIdentifier` option as a function? Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

babel/babel-loader#946 · 1 comment · 3 reactions · Opened Jul 14, 2022
if set useBuiltIns: 'usage',then error is come Open

Difficulty 3/5 1-2 days Newbie friendliness 32/100

babel/babel-loader#927 · 1 comment · Opened Jan 17, 2022
options not work, neither targets ie11 in babel.config.js Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

babel/babel-loader#925 · 5 comments · 1 reaction · Opened Jan 5, 2022
Access Resource Query in Plugins? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

babel/babel-loader#916 · 1 comment · Opened Sep 30, 2021
Caching of babel.config.js doesn't seem to be working properly when using api.caller for different webpack targets Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

babel/babel-loader#915 · 2 reactions · Opened Sep 23, 2021
support for VS2019+ build option Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

babel/babel-loader#914 · Opened Aug 12, 2021
Error: The loaded module contains errors Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

babel/babel-loader#912 · 10 comments · Opened Jul 14, 2021
Babel-Loader Fails on FIPS: Digest method not supported Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

babel/babel-loader#910 · 3 comments · Opened Jun 30, 2021
[Bug]: `validateOptions is not a function` error Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

babel/babel-loader#906 · 10 comments · Opened May 14, 2021
Why does Babel loader beautify code automatically? Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

babel/babel-loader#905 · 2 comments · Opened May 8, 2021
Inconsistency with TypeScript in Module Resolution with Fully-Specified ESM Imports Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

babel/babel-loader#904 · 3 comments · Opened Apr 28, 2021
Babel throws on JSX files when preset-react is not added. Open

Difficulty 3/5 1-2 days Newbie friendliness 30/100

babel/babel-loader#900 · 3 comments · Opened Apr 14, 2021
Babel Loader ignores webpack resolve config for its own plugins Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

babel/babel-loader#895 · 4 comments · Opened Mar 8, 2021
In the main readme, please add syntax for usage in `chainWebpack` (as opposed to webpackConfig) Open

Difficulty 1/5 1-3 hours Newbie friendliness 52/100

babel/babel-loader#874 · Opened Oct 21, 2020
documentation: Add example of passing options to a custom babel-preset Open

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

babel/babel-loader#863 · Opened Sep 2, 2020
upgrade to babel-loader8.x,jsx file compile wrong Open

Difficulty 3/5 1-2 days Newbie friendliness 30/100

babel/babel-loader#856 · 7 comments · Opened Jul 9, 2020
this.setDynamic is not a function Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

babel/babel-loader#852 · Opened Jun 11, 2020
Only one instance of babel-polyfill is allowed Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

babel/babel-loader#850 · 2 comments · Opened Jun 7, 2020
Question: feature detection & polyfilling on the client side, possible with babel-loader? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

babel/babel-loader#843 · Opened Apr 27, 2020
Support for react-hot-loader Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

babel/babel-loader#842 · Opened Apr 23, 2020
Custom transform option not supported Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

babel/babel-loader#832 · Opened Mar 18, 2020
Expose cache implementation Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

babel/babel-loader#831 · Opened Mar 18, 2020
envName option doesn't seem to work well when used in multiple webpack configs Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

babel/babel-loader#817 · Opened Dec 5, 2019
Can u provide write and read options to override default behavior Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

babel/babel-loader#816 · Opened Nov 28, 2019
JSX is not transpiled in babel-loader when babel/preset-react is specified in .babelrc Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

babel/babel-loader#815 · 11 comments · Opened Nov 20, 2019
Unable to transpile ES6 class with Babel7 WebPack4 on Windows Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

babel/babel-loader#810 · 3 comments · Opened Sep 25, 2019
Module build failed Open

invalid

Difficulty 3/5 1-2 days Newbie friendliness 35/100

babel/babel-loader#809 · 5 comments · Opened Sep 11, 2019
Inconsistency in Webpack outputs using "eval" and helper runtime function Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

babel/babel-loader#805 · Opened Aug 8, 2019
SyntaxError: Unexpected token import @babel/runtime-corejs2/helpers/esm/asyncToGenerator.js:1 when migrating webpack/babel Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

babel/babel-loader#797 · 1 comment · 1 reaction · Opened Jul 6, 2019
Build Failing in Jenkins - You may need an additional loader to handle the result of these loaders. Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

babel/babel-loader#792 · Opened Jun 21, 2019
Unexpected token (8:2) You may need an appropriate loader to handle this file type Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

babel/babel-loader#791 · 1 comment · Opened May 31, 2019
react-native You may need an appropriate loader to handle this file type. Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

babel/babel-loader#783 · 1 comment · Opened Apr 15, 2019
.babelrc.js is being ignored Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

babel/babel-loader#780 · 9 comments · 5 reactions · Opened Mar 28, 2019
$export is not a function. (In '$export($export.S + $export.F * !require(896 ), 'Object', { defineProperty: require(892 ).f })', '$export' is an instance of Object Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

babel/babel-loader#778 · 2 comments · Opened Mar 26, 2019
Module parse failed, but only when outside of a 'create-react-app' style app Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

babel/babel-loader#775 · 3 comments · Opened Mar 14, 2019
absoluteResourcePath is still relative for many files Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

babel/babel-loader#770 · 8 comments · Opened Feb 24, 2019
Typescript: Unable to resolve files from ones that export both types and variables Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

babel/babel-loader#769 · 23 reactions · Opened Feb 23, 2019
Support a mechanism to control the transpilation of nested dependencies Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

babel/babel-loader#764 · 13 reactions · Opened Jan 30, 2019
An in-range update of lint-staged is breaking the build 🚨 Open

greenkeeper

Difficulty 3/5 1-2 days Newbie friendliness 25/100

babel/babel-loader#763 · 5 comments · Opened Jan 28, 2019
include / exclude not behaving as expected Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

babel/babel-loader#759 · 3 comments · Opened Jan 21, 2019
Different transpilation/bundling behavior between ES6 and CJS modules Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

babel/babel-loader#757 · 3 comments · Opened Jan 10, 2019
Error: Requires Babel "^7.0.0-beta.41", but was loaded with "7.2.0" Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

babel/babel-loader#756 · 4 comments · Opened Jan 9, 2019
sourceMap is an alias for .sourceMaps, cannot use both Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

babel/babel-loader#755 · 2 comments · Opened Jan 2, 2019
Plugin-transform-runtime can't work without 'exclude: /node_modules/\/' Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

babel/babel-loader#754 · 7 comments · 1 reaction · Opened Jan 2, 2019

babel/babel-loader

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