Programmatically modify JavaScript and TypeScript source codes with a simplified, elegant and familiar syntax. Built on top of the AST parsed by recast and babel. ❯ 🧙🏼 Magical modify a JS/TS file and write back magically just like JSON! ❯ 🔀 Exports/Import manipulate module's imports and exports at ease ❯ 💼 Function Arguments easily manipulate arguments passed to a function call, like defineCon