Claude Skill

Apply repeatable JavaScript and TypeScript codemods across large codebases with jscodeshift

Use jscodeshift when an agent needs AST-based JavaScript or TypeScript codemods for bulk migrations, API rewrites, and large refactors with reviewable diffs.

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agentskillexchange/skills 45 57 forks MIT Updated 1d ago

Part of agentskillexchange/skills — 249 skills

Install

skills CLI

npx skills add https://github.com/agentskillexchange/skills/tree/main/skills/apply-repeatable-javascript-and-typescript-codemods-across-large-codebases-with-jscodeshift

Claude Code

claude plugin marketplace add https://llmmart.ai/marketplace.json && claude plugin install agentskillexchange-skills@llmmart

Git git clone https://github.com/agentskillexchange/skills.git

The skills CLI installs just this skill, for any of its supported agents. Claude Code installs the whole agentskillexchange/skills collection as a plugin from our marketplace. Git is the plain clone.

Skill manifest

Apply repeatable JavaScript and TypeScript codemods across large codebases with jscodeshift

Use jscodeshift when an agent needs AST-based JavaScript or TypeScript codemods for bulk migrations, API rewrites, and large refactors with reviewable diffs.

Prerequisites

Node.js, npm or pnpm, Git

Installation

Use the upstream install or setup path that matches your environment:

$ npm install -g jscodeshift
make the transform more readable.
To update docs in /docs, use npm run docs.
To view these docs locally, use npx http-server ./docs

Requirements and caveats from upstream:

const = require('jscodeshift/src/Runner')
const path = require('node:path');
An AST node is a plain JavaScript object with a specific set of fields, in

Basic usage or getting-started notes:

Get jscodeshift from npm:
This will install the runner as jscodeshift.
VSCode Debugger
Source: https://github.com/facebook/jscodeshift
Extracted from upstream docs: https://raw.githubusercontent.com/facebook/jscodeshift/HEAD/README.md

Documentation

https://jscodeshift.com

Source

Agent Skill Exchange

Files (skills)

SKILL.md 2 KB

---
name: "Apply repeatable JavaScript and TypeScript codemods across large codebases with jscodeshift"
slug: "apply-repeatable-javascript-and-typescript-codemods-across-large-codebases-with-jscodeshift"
description: "Use jscodeshift when an agent needs AST-based JavaScript or TypeScript codemods for bulk migrations, API rewrites, and large refactors with reviewable diffs."
github_stars: 9983
verification: "security_reviewed"
source: "https://github.com/facebook/jscodeshift"
author: "Meta"
publisher_type: "organization"
category: "Code Quality & Review"
framework: "Multi-Framework"
tool_ecosystem:
  github_repo: "facebook/jscodeshift"
  github_stars: 9983
  npm_package: "jscodeshift"
  npm_weekly_downloads: 27093990
---

# Apply repeatable JavaScript and TypeScript codemods across large codebases with jscodeshift

Use jscodeshift when an agent needs AST-based JavaScript or TypeScript codemods for bulk migrations, API rewrites, and large refactors with reviewable diffs.

## Prerequisites

Node.js, npm or pnpm, Git

## Installation

Use the upstream install or setup path that matches your environment:
- $ npm install -g jscodeshift
- make the transform more readable.
- To update docs in /docs, use npm run docs.
- To view these docs locally, use npx http-server ./docs

Requirements and caveats from upstream:
- const {run: jscodeshift} = require('jscodeshift/src/Runner')
- const path = require('node:path');
- An AST node is a plain JavaScript object with a specific set of fields, in

Basic usage or getting-started notes:
- Get jscodeshift from [npm](https://www.npmjs.com/package/jscodeshift):
- This will install the runner as jscodeshift.
- ## VSCode Debugger

- Source: https://github.com/facebook/jscodeshift
- Extracted from upstream docs: https://raw.githubusercontent.com/facebook/jscodeshift/HEAD/README.md

## Documentation

- https://jscodeshift.com

## Source

- [Agent Skill Exchange](https://agentskillexchange.com/skills/apply-repeatable-javascript-and-typescript-codemods-across-large-codebases-with-jscodeshift/)