alexpusch/jscodeshift-tutorial

jscodeshift

https://github.com/facebook/jscodeshift

AST

Abstract Syntax Tree ast tree visualizer - https://astexplorer.net/

Examples

1. Rename function foo() to logPerson() jscodeshift -t shifts/1-rename.js 1-input.js

2. Refactor logPerson() to receive an object instead of parameters jscodeshift -t shifts/2-refactor.js 2-input.js

3. Remove use of console.log jscodeshift -t shifts/3-remove.js 3-input.js

builders definitions

https://github.com/benjamn/ast-types/blob/master/def/core.ts