https://github.com/unlight/jscodeshiftor

Practicing writing codemods
https://github.com/unlight/jscodeshiftor

codemod codemods jscodeshift

Last synced: 4 months ago
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Practicing writing codemods

• Host: GitHub
• URL: https://github.com/unlight/jscodeshiftor
• Owner: unlight
• Created: 2021-06-14T15:09:12.000Z (almost 5 years ago)
• Default Branch: master
• Last Pushed: 2026-01-17T15:56:21.000Z (5 months ago)
• Last Synced: 2026-01-18T01:27:13.858Z (5 months ago)
• Topics: codemod, codemods, jscodeshift
• Language: TypeScript
• Homepage:
• Size: 67.4 KB
• Stars: 3
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

          
# jscodeshiftor

Suggests code modifications and enhancements

- `bottom-exports` - Move exports to the end of the file

- `export-default-name` - Give default export name based on filename

- `duplicate-object-keys` - Remove duplicated keys in object

- `noop` - Do nothing

- `use-strict` - Add 'use strict' directive for commonjs modules

## Test Run

```sh

jscodeshift -t src/transforms/noop.ts fixtures

```

## Tools

- https://astexplorer.net/

- https://rajasegar.github.io/jarvis/

- https://rajasegar.github.io/ast-finder/

- https://rajasegar.github.io/ast-builder/

- https://ast-tooling.vercel.app/

- https://sebastianrosik.github.io/ast-types-dict/

- https://ast.sxzz.moe/

- https://codemod.dev/

- https://source-viz.netlify.app/

## Resources

- https://github.com/topics/jscodeshift

- https://github.com/topics/codemod

- https://www.codeshiftcommunity.com/docs/your-first-codemod

- https://github.com/seokju-na/jscodeshift-utils

- https://github.com/skovhus/jest-codemods/tree/master/src/transformers - with unit tests

- https://github.com/prisma/codemods/tree/main/transforms

- https://github.com/cpojer/js-codemod/tree/master/transforms - with tests [here](https://github.com/cpojer/js-codemod/tree/master/transforms/__tests__)

- https://github.com/jhgg/js-transforms - Some documented codemod experiments to help you learn

- https://github.com/powens/jscodeshift-examples

- https://github.com/chimurai/jscodeshift-typescript-example/

- https://github.com/sejoker/awesome-jscodeshift

- https://github.com/JamieMason/codemods

- https://github.com/JamieMason/codemods/blob/master/transforms/lib/helpers.js

- https://github.com/reergymerej/jscodeshift-helper

- https://github.com/hypermod-io/hypermod-community

- https://github.com/rajasegar/jscodeshift-collections

- https://github.com/rajasegar/jscodeshift-docs

- https://github.com/obweger/modster

- https://github.com/RIP21/import-move-codemod

- https://github.com/knilink/ez-jscodeshift

- https://crguezl.github.io/jscodeshift-api-docs/index.html

- https://github.com/jhgg/js-transforms

- https://github.com/pionxzh/wakaru/tree/main/packages/unminify/src/transformations

## Articles

- https://dev.to/arnaudspanneut/how-i-gained-4-months-of-work-on-the-migration-of-a-code-base-with-codemod-2pbn

- https://www.toptal.com/javascript/write-code-to-rewrite-your-code