decaffeinate
convert CoffeeScript to modern JavaScript
TLDR
Convert CoffeeScript to JavaScript
$ decaffeinate [file.coffee]
Convert to modern JavaScript$ decaffeinate --use-cs2 [file.coffee]
Output to specific file$ decaffeinate [file.coffee] -o [output.js]
Convert directory$ decaffeinate [src/]
SYNOPSIS
decaffeinate [options] files...
DESCRIPTION
decaffeinate converts CoffeeScript to modern JavaScript (ES6+). It produces idiomatic JavaScript with proper class syntax, arrow functions, template literals, and destructuring.
Useful for migrating CoffeeScript codebases to JavaScript.
PARAMETERS
-o, --output file
Output file path.--use-cs2
Use CoffeeScript 2 compatibility.--disable-babel-constructor-workaround
Disable Babel class workaround.--loose
Enable loose mode for simpler output.
CAVEATS
Some CoffeeScript patterns may require manual cleanup. Review generated code for edge cases.