JSCodeshift

• Codeshift repo at GitHub facebook/jscodeshift

• jscodeshift wiki: documentation (opens new window)

• JSCodeshift API Doc (opens new window) (by crguezl, done with jscodeshift --version jscodeshift: 0.13.1 babel: 7.17.5 babylon: 7.17.3 flow: 0.172.0 recast: 0.20.5)

  • JSCodeshift API Doc (opens new window) v0.3 obsolete

• AST-Builder (opens new window) by Rasegar. My fork at https://github.com/ULL-ESIT-PL/ast-builder (opens new window), deployment at https://ull-esit-pl.github.io/ast-builder/ (opens new window)

• Write Code to Rewrite Your Code: jscodeshift Examples: removing console.log, replacing imported method calls, from positional parameters to parameter object

  • Video en Español comentando el blog "Write Code ..." (opens new window)

• jscodeshift "hello world" example

• jscodeshift cpojer/js-codemod no-vars.js Conservatively converts var to const or let. jscodeshift -t js-codemod/transforms/no-vars.js <file>

• Effective Refactoring with Codemods - JS Monthly London - November 2018 (opens new window) Presented by Edd Yerburgh. Study case: substituting lodash flatten by arr.flat(). YouTube

• Writing codemods to change all your code at once (opens new window) by Sid. Case: Changing import a library whose name has changed. YouTube. 2018

• Blog "Automating Code Transformation With jscodeshift" (opens new window) Jan 21, 2021, by Mark Skelton. Study case: removing imported variable queryCache from "react-query" and importing it from a file in your project "common/queryClient"

Rajasegar works

• AST-Builder (opens new window)
• Migrating large codebase with Codemods (opens new window) YouTube video. Talk at JSFoo Pune 2020. On component architecture, performance, security for front-end, and emerging trends. Rajasegar Chandran.
  • Slides (opens new window)
  • Awesome codemods (opens new window) at rajasegar/awesome-codemods

Codemods community

• codeshiftcommunity: The community-owned codemod registry (opens new window)
• Docs: Your first codemod (opens new window)
• codeshift cli (opens new window)
• codeshift test-utils (opens new window)
• Registry (opens new window)

Riki Fridrich

• Write a code that writes code (opens new window) talk by Riki Fridrich. Sep 22, 2021. WebExpo
• fczbkk/talk-2021-09-22-webexpo-codemod (opens new window) GitHub Repo

ast-types and recast

• recast (opens new window)
• ast-types examples in crguezl/hello-ast-types (opens new window)
• api documentation for ast-types (v0.9.11) (opens new window) (Don't trust it. Current version is 0.15)

Estraverse

• Estraverse README.md (opens new window)
• Simple examples of AST traversal and transformation crguezl/ast-traversal (opens new window)

Repositorios interesantes de cowchimp

• A curated list of awesome AST resources
• AST Scout is a tool for analyzing and visualizing the relationship between the public API of a Class\Module and its implementations details (e.g. private methods, dependencies used).
• A web tool to explore the ASTs generated by various parsers. https://astexplorer.net/ The repo

AST: Awesome Super Tool - JS Roundabout - April 2019

This is a talk similar to Yonatan Mevorach by Leonardo Crespo given in 2019:

• AST: Awesome Super Tool - JS Roundabout - April 2019 (opens new window) by Leonardo Crespo

Wielding the powers of the JavaScript AST

by Kim Joar Bekkelund. September 14, 2017

JSCodeShift study case: Substitute Object.assign({}, a, b) by {...a, ...b}

Wielding the powers of the JavaScript AST: Kim Joar Bekkelund from JavaZone on Vimeo.