This extension supports Laravel Elixir v6 and up. For older versions, CoffeeScript support was already baked in.
npm install laravel-elixir-coffeescript --save-dev
// Gulpfile.js
var elixir = require('laravel-elixir');
elixir(function(mix) {
// Examples:
mix.coffee('app.coffee');
mix.coffee('app.coffee', 'public/output');
mix.coffee('app.coffee', 'public/output/file.js');
// https://github.com/wearefractal/gulp-coffee#options
mix.coffee('app.coffee', 'public/output/file.js', options);
});