facebook/jscodeshift

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A JavaScript codemod toolkit.

Stars: 10k
Forks: 498
Open beginner issues: 0
Indexed issues: 122

Dominant language: JavaScript
License: MIT
Last GitHub push: Jul 15, 2026
Latest indexed: Sep 15, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed
PR merge metrics: No merged PRs in 30d

Open All

122 issues indexed so far

Add support for config files Open

improvement

facebook/jscodeshift#4 · 8 comments · 3 reactions · 0 assignees · Indexed Sep 15, 2026
Generate documentation for traversal, mutation and filter methods Open

discussion improvement

facebook/jscodeshift#22 · 3 comments · 10 reactions · 0 assignees · Indexed Sep 15, 2026
Find does not traverse ClassDeclarations superTypeParameters Open

bug upstream

facebook/jscodeshift#34 · 2 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
templates evaluate at global scope, breaks statement`return;` Open

discussion improvement

facebook/jscodeshift#42 · 9 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
File comment is lost when removing first statement Open

bug upstream

facebook/jscodeshift#44 · 8 comments · 3 reactions · 0 assignees · Indexed Sep 15, 2026
Reprinting file without changes line break changes Open

bug upstream

facebook/jscodeshift#52 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Resolve the new file contents from the runner Open

improvement

facebook/jscodeshift#59 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Restructure runner and logging Open

improvement

facebook/jscodeshift#80 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Per File Timeout Open

improvement

facebook/jscodeshift#87 · 2 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Add a way to provide reason for skipping Open

improvement

facebook/jscodeshift#115 · 4 comments · 10 reactions · 0 assignees · Indexed Sep 15, 2026
Request: Support codemods published to npm Open

improvement

facebook/jscodeshift#126 · 10 comments · 7 reactions · 0 assignees · Indexed Sep 15, 2026
Custom cli helper Open

improvement

facebook/jscodeshift#132 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Multiple transform support Open

improvement

facebook/jscodeshift#148 · 6 comments · 8 reactions · 0 assignees · Indexed Sep 15, 2026
Can jscodeshift output to a different file? Open

question

facebook/jscodeshift#160 · 14 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Discussion on how to integrate with Babel's ability to use recast Open

discussion improvement

facebook/jscodeshift#168 · 9 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Potential minor bug: temp's tracking feature is not used Open

bug

facebook/jscodeshift#173 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Find does not traverse ObjectPattern's TypeAnnotation Open

upstream

facebook/jscodeshift#175 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Cannot read property 'error' of undefined Open

bug

facebook/jscodeshift#183 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
insertAfter adds empty line before Open

upstream

facebook/jscodeshift#185 · 7 comments · 2 reactions · 0 assignees · Indexed Sep 15, 2026
Missing simple examples for new users Open

Add To Docs documentation

facebook/jscodeshift#193 · 11 comments · 7 reactions · 0 assignees · Indexed Sep 15, 2026
change index.js point to './src/core' break test cases follow README Open

documentation

facebook/jscodeshift#206 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Better error message when trying to replace CallExpressions instead of ExpressionStatement or VariableDeclarator Open

improvement

facebook/jscodeshift#214 · 2 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Accept code from stdin Open

improvement

facebook/jscodeshift#228 · 4 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Babel transpilation skipped if codemod is installed globally Open

facebook/jscodeshift#250 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
toSource() outputs CRLF newline when input file only had LF Open

bug

facebook/jscodeshift#262 · 5 comments · 10 reactions · 0 assignees · Indexed Sep 15, 2026
Problems with `renameTo` and block scope Open

bug

facebook/jscodeshift#263 · 2 comments · 3 reactions · 0 assignees · Indexed Sep 15, 2026
Closing parenthesis of conditional spread removed erroneously Open

bug

facebook/jscodeshift#267 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Feature proposal] Allow reporting arbitrary data from codemods Open

improvement

facebook/jscodeshift#268 · 7 comments · 3 reactions · 0 assignees · Indexed Sep 15, 2026
Transform adds blank space at end of line Open

bug

facebook/jscodeshift#273 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Flow Opaque type supertype and impltype are not traversed Open

upstream

facebook/jscodeshift#280 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Is there proper way to remove all comments? Open

question

facebook/jscodeshift#293 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
replaceWith templateElement add blank space Open

upstream

facebook/jscodeshift#302 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Getting missing `exportDefaultFrom` plugin error with `babel` parser, even though it's in `.babelrc` Open

bug

facebook/jscodeshift#303 · 5 comments · 3 reactions · 0 assignees · Indexed Sep 15, 2026
statement(s) templates yields some weird stuff Open

bug

facebook/jscodeshift#312 · 6 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Path containing an array VS array of paths Open

question

facebook/jscodeshift#320 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
template.statements breaks TypeScript namespaces Open

bug

facebook/jscodeshift#327 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Why can't I specify `typeParameters` to a `CallExpression`? Open

bug

facebook/jscodeshift#330 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Logging could be better for very large projects Open

improvement

facebook/jscodeshift#335 · 3 comments · 2 reactions · 0 assignees · Indexed Sep 15, 2026
Remove test file `.js` requirement in testUtils Open

improvement

facebook/jscodeshift#336 · 4 comments · 4 reactions · 0 assignees · Indexed Sep 15, 2026
"!.jenkins/" in the ".eslintignore" makes jscodeshift ignore all files Open

bug

facebook/jscodeshift#342 · 1 comment · 5 reactions · 0 assignees · Indexed Sep 15, 2026
Unexpected token export Open

bug

facebook/jscodeshift#344 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Interactive Mode Open

improvement

facebook/jscodeshift#352 · 3 comments · 4 reactions · 0 assignees · Indexed Sep 15, 2026
Shouldn't the babylon parser use the project's local babel config? Open

bug improvement

facebook/jscodeshift#358 · 3 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Creates syntax error when transforming Flow types without identifier Open

bug

facebook/jscodeshift#361 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Inject data to transformer file? Open

improvement

facebook/jscodeshift#363 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Newlines being unexpectedly removed / reordered Open

bug

facebook/jscodeshift#364 · 2 comments · 3 reactions · 0 assignees · Indexed Sep 15, 2026
More collections like VariableDeclarators and JSXElement Open

improvement

facebook/jscodeshift#365 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
recast option no work Open

bug

facebook/jscodeshift#367 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
jscodeshift throws an error when trying to use JSXFragment node Open

bug

facebook/jscodeshift#368 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Merge calls to curried function Open

facebook/jscodeshift#369 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026

facebook/jscodeshift

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