Awesome Codemods

A curated list of awesome codemod resources for various languages, libraries and frameworks

Please read the contribution guidelines before contributing.

Contents

• JavaScript
• ESNext
• Typescript
• Ruby
• Frameworks
• Libraries
• Organization specific Codemods
• Editor Plugins
• Misc
• Awesome Lists

JavaScript

• js-codemod - Codemod scripts to transform code to next generation JS.
• js-transforms - Some documented codemod experiments to help you learn.
• coffee-to-es2015-codemod - A set of JSCodeshift transforms that will help you transform your CoffeeScript codebase to ES2015.
• 5to6-codemod - A collection of codemods that allow you to transform your js code from ES5 to ES6.
• es5-function-to-class-codemod - Transform ES5 Functions to ES6 Classes.
• webpack-babel-codemod - Convert anonymous webpack commonjs require statements to es2015 import statements.
• rm-debugger - Codemod for removing debugger;.
• AMD Transformer - Converts JS into AMDified JS (by Atlassian).
• undecorate-codemod - Transformers experimental ESNext decorators syntax to simple currying.
• jest-codemods - Codemods for migrating to Jest .
• refactoring-codemods - Refactoring support for JavaScript via jscodeshift codemods.
• sinon-codemod - Codemod scripts that update Sinon APIs .
• codemod-imports-sort - Sort ES6 imports by type.
• JamieMason/codemods - A collection of transforms for use with JSCodeshift.
• eslint-transforms - Codemods for the ESLint ecosystem.
• js-codemods - Some codemod scripts to transform code for good styling.
• class-props-codemod - Transform old-style assigned static properties to class static properties.
• flow-comments-codemod - Convert flowtype syntax to valid JS.
• async-await-codemod - Codemod script for migrating promise-based functions to use async/await syntax.
• sort-class-members-codemod - A codemod for automatically fixing issues reported by eslint-plugin-sort-class-members.
• relative-to-alias - A codemod to do large-scale refactor of your relative path imports to alias.
• transform-imports - Tools that make it easy to codemod imports/requires in your JS.
• expect-js-to-assert - A jscodeshift codemod that transforms from expect.js to Node assert.
• optional-chaining-codemod
• chai-to-assert - A jscodeshift codemod that transforms from chai to Node assert.
• nikgraf/js-codemod - A collection of codemods.
• amd-to-commonjs-codemod - A codemod to transform amd style includes into commonjs includes.
• js-codemod-import-absolute - Codemod to replace relative imports with absolute or custom paths.
• relekang/codemods
• jest-expect-codemod - CodeMods for migrating chai.assert, chai.expect, assert -based test assertions to jest's expect assertions.
• vasco3/cuadrante-codemods - Converts ES6 imports to commonJS requires.
• immutablejs-eraser-codemod - A codemod to rescue you from a Immutable.js abuse.
• underscore-to-native - Underscore to native codemods.
• chai-to-jasmine - A chai to jasmine codemod that includes additional transforms for jest migration.
• node-dep-codemod - A collection of JSCodeshift codemod scripts for migrating code that uses deprecated Node.js APIs.
• styletron/codemods - Codemods for styletron.
• rxjs-codemod - Codemod scripts to transform older RxJS code to RxJS5-compatible code.
• cleaner-codemods - Simple codemods to destructure prop types.
• apitsummit-codemods
• dsgkirkby/js-codemods - Wrap switch statements in a code block.
• EDITD/codemods - Radium to Glamour codemod.
• bradencanderson/codemods
• peakon/codemods - I18n Context, Locale, No immutable class codemods.
• knoopx/codemods
• autobots - Codemods for great good!.
• ce-codemods - Codemods for custom elements.
• bseber/codemods - Codemods for Jasmine refactoring.
• strudel-codemod - Strudel codemod scripts.
• co-to-async - Take the step from co.wrap to async/await automagically.
• DrewML/codemods
• skratchdot-codemods - A collection of utility codemods.
• aws-sdk-js-codemod - Codemod scripts to update AWS SDK for JavaScript APIs.
• codeshift-community - Community-owned global registry and documentation hub for codemods. Write & run codemodes, share them with your friends.

ESNext

• 5to6 - A collection of codemods that allow you to transform your js code from ES5 to ES6.
• async-await-codemod - Codemod to add try catch to all the async await statements.
• codemod-get-to-optional-member-expression - Change Lodash get functions to ES7 optional member expressions.
• idx-to-optional-chaining - JSCodeShift codemod that transforms usage of idx to the draft optional chaining standard.
• generator2async-codemod
• lebab-as-babel-plugins - Codemod to transform ES5 code to ES6/7 and uses babel plugins.

Typescript

• ts-codemod - Typescript based codemods.
• tscodeshift - A tscodeshift is a toolkit for running codemods over multiple TS files.
• flowToTs - Flow to Typescript codemods.
• codemod-cli-ts - CLI for generating codemods written in Typescript.
• tsmod - Refactor TypScript code programmatically using codemods.
• js-to-typescript-codemod - A simple codemod for helping migrate from babel to typescript. Converts default imports to wildcards.
• riceburn - A Typescript, JSON, and text file Code Mod Utility.
• flowshift - Flow to typescript codemods.
• ts-codemod-scripts - Collection of basic JS/React codemod scripts to prepare for TS on a codebase.
• type-import-codemod - Combine type and value imports using Typescript 4.5 type modifier syntax.

Ruby

• Ruby AST Explorer - AST Explorer for Ruby.
• codeshift - JSCodeshift equivalent for Ruby.
• cybertron - Codemod CLI to bootstrap Ruby codemods (transforms).
• ruby_crystal_codemod - A codemod / transpiler that can help you convert Ruby into Crystal.

Frameworks

React.js

• react-codemod - React codemod scripts to update React APIs.
• rackt-codemod - Codemod scripts for Rackt libraries.
• ast-18n - Easily migrate your existing React codebase to use i18n.
• codemod-react-proptypes-to-flow
• proptypes-to-flow - Codemod to tranform react proptypes to flow.
• react-hot-loader-codemod
• mst-codemod-to-0.10 - A codemod to migrate to MobX-State-Tree 0.10 from previous versions.
• babel-plugin-codemod-react-css-modules - Converts React components using imported CSS stylesheets to equivalent CSS Modules syntax.
• metal-to-react - Codemods for migrating metal-jsx to react.
• rn-update-deprecated-modules - Codemod to update import declarations as per react-native > 0.59.x deprecations.
• babel-plugin-hyperscript-to-jsx - This plugin transforms react-hyperscript into JSX. Intended to be used as codemod.
• cjsx-codemod - A codemod for migrating off of coffee-react CJSX.
• over_react_codemod - Codemods to help consumers of over_react automate the migration of UI component code.
• yannvr/codemods - JS/React transforms because life is too short.
• js2tsx - A toolkit provide some codemod scripts based on jscodeshift to migrating react code base to typescript.
• react-native-paper-codemod
• react-codemod-pure-component-to-class - A react codemod to transform stateless/pure/functional components to class components.
• denvned/codemod - Relay Mutation - didResolveProps.
• mukeshsoni/codemods - Adds a data-test-id attribute to all jsx html elements.
• js-react-codemods - A boilerplate of JS 5/6/7 transforms for react/redux/js/etc.
• react-with-hooks-removal-codemod - Remove the react-with-hooks library code when React 16.7.0 is released.
• react-native-fix-inline-styles - Fix inline styles in react native components.
• react-style-px-suffix-codemod - Append px to shorthand values in style objects in react in prep for react 15 warning.

Ember.js

• ember-codemods - Official organization for Ember.js Codemods.
• ember-watson - An Ember.js codemod to make upgrades automatic.
• test-selectors-codemod - A codemode for fixing the ember-test-selectors testSelector helper deprecation.
• ember-i18n-to-intl-migrator - Migrate ember-i18n to ember-intl .
• lil-codemods - Ember codemods.
• jmdejno/ember-codemods - Ember code Transforms.
• react-destructuring-assignment-codemod - A WIP jscodeshift codemod to destructure assignments of props, state, and context.
• legacy-tests-codemod - A collection of codemod's for legacy-tests-codemod.
• ember-action-codemods - Codemods for converting uses of action to the {{on}} modifier.
• ember-k-codemod - Removes all usages of Ember.K.
• ember-computed-decorators-codemod - Codemod to update ember-computed-decorators to ember-decorators.
• ember-cli-mirage-faker-codemod
• ember-component-jquery - A codemod for migrating Ember Component code from this.$() to $(this.element).

Preact.js

• preact-codemod - Shave some bytes by using Preact.

Vue.js

• vue-codemods - Collection of codemod scripts that help update and refactor Vue and JavaScript files.

Angular.js

• angular-codemods - Codemods for refactoring legacy angular applications.

Libraries

Lodash

• lodash-codemods - Codemods to simplify upgrading Lodash versions.
• lodash-to-lodash-amd-codemods - Lodash to lodash-amd codemods.
• optional-chaining-codemod - Codemod to migrate from Lodash get and logical and expressions to optional chaining.
• js-transforms - Codemod to replace lodash for lodash/fp.
• modular-lodash-codemod - Makes all your lodash imports modular.
• kevinbarabash/codemods - Lodash/Underscore to native.

Mocha

• mocha-to-jest-codemod - Convert Mochan TDD with Chai assert tests to Jest.
• mocha2ava-codemod - A tranformer for migrating tests from Mocha to Ava.
• ts-codemods - Transformers for migrating callback-based Mocha tests to async/await based tests.

AVA

• jscodeshift-ava-tester - Codeshift wrapper to write smaller and better tests for your codemods using AVA.

Styled Components

• styled-components-codemods - Automatic codemods to upgrade your styled-components code to newer versions.
• styled-components-v3-to-v4-codemod - Codemod to migrate deprecated .extend API in favor of only styled functions.

react-router

• react-router-v4-codemods - Codemods for migrating react-router from v3 to v4.
• react-router-v6-codemods - Codemods for migrating react-router from v5 to v6.
• @putout/plugin-react-router - Putout plugin adds ability to migrate to latest version of react router.

material-ui

• @mui/codemod - A collection of codemod scripts based for use with jscodeshift that help update MUI APIs.

ant-design

• codemod-v4 - Codemod cli for antd v4 upgrade.
• antd-codemod - Antd codemod scripts.
• codemod-v5 - Codemod cli for antd v5 upgrade.

Organization specific Codemods

This is the list of codemods used by a particular organization for their code transformations.

• @freshworks/ember-codemods - A collection of codemods used in Freshworks.
• shopify-codemod - A collection of Codemods written with JSCodeshift that will help update our old, crusty JavaScript to nice, clean JavaScript.
• uber-codemods - Because Code Changes and Evolves.
• artsy/codemods - Various codemods used around Artsy.
• tune-codemods - A collection of codemods we use at tune.
• yapp-codemods - Yapp's codemods.
• civicsource/codemod
• salesforce/lwc-codemod - Codemods for Lightning Web Components.

Editor Plugins

• atom-codemod - Atom plugin for running codemods.
• vscodemod - VSCode extension for doing codemod on selected text.
• nmn/atom-codemod - Simple commands to apply specific Babel plugins/codemods on your code.

Misc

• ratchet - Codemod to convert React PropTypes to TypeScript types.
• flow-codemod - Jscodeshift-powered [email protected] to [email protected] transformations .
• mithril-codemods
• webpack-codemods - JS Codemod to automatically convert webpack config from v1 to v2.
• js-codemods - Node.js/JavaScript codemods used at @entria.
• jasmine-to-chai-codemod - Codemod for jscodeshift to migrate your tests from Jasmine to Chai syntax.
• closure-codemod - Closure codemod scripts.
• titanium-codemods - Codemod scripts for Titanium Applications.
• next-codemod - Codemod transformations to help upgrade Next.js codebases.
• date-fns-upgrade-codemod - Code mods for upgrading date-fns versions.
• graphql2ts - Transform .graphql to graphql-js typescript.
• gen-codemod - Generate codemods by specifying your starting -> desired JavaScript.
• babel-plugin-localize - Codemod to localize static strings.
• generator-codemod - A generator to create codemods quickly.
• codemodes-tycoon - Codemods from Tycoon.
• pkg-upgrader - Easily build codemod CLIs using jscodeshift. fork of lib-upgrader.
• can-migrate - CLI & codemod scripts for upgrading to CanJS 3, 4 and 5.
• create-codemod-app - Create Codemod App, a codemod generator and runner.
• babel-plugin-glamorous-to-emotion - A codemod to migrate existing React or Preact codebases from glamorous to emotion.
• rxdart_codemod - A collection of codemods to upgrade your RxDart code from one version to the next.
• viewtools/codemods - Helpers to migrate your code to newer versions of Views Tools.
• PHP-Codeshift - A small PHP toolkit for running codemods (code transformations) over multiple PHP files.
• gnome-shell-extension-es6-class-codemod - A jscodeshift transform that helps migrating GNOME Shell extensions to 3.32.
• direct-import-codemod - Use direct imports to save JS bundle size.
• d3-upgrade-codemods - Codemods to upgrade d3 from version 3.x.
• generator-jscodeshif - A yeoman generator for a jscodeshift codemod.
• tds-codemod - TELUS Design System.
• gsa-codeshift - GSA codemod scripts.
• bottender-codemod - Bottender codemod scripts.
• mrm - Codemods for your project config files.
• webdriverio/codemod - A codemod to transform Protractor into WebdriverIO tests.
• strapi/codemods - CLI to help you migrate your Strapi applications & plugins from v3 to v4.
• django-codemod - A tool to automatically fix Django deprecations.

Awesome Lists

• awesome-ast
• awesome-jscodeshift