grunt-es6-transpiler 
Transpile ES6 to ES5 with es6-transpiler
Issues with the output should be reported on the es6-transpiler issue tracker.
Install
$ npm install --save-dev grunt-es6-transpilerUsage
require('load-grunt-tasks')(grunt); // npm install --save-dev load-grunt-tasks
grunt.initConfig({
es6transpiler: {
dist: {
files: {
'dist/app.js': 'src/app.js'
}
}
}
});
grunt.registerTask('default', ['es6transpiler']);Options
Use the es6-transpiler options, except for filename, src, outputToConsole, outputFilename.
License
MIT © Sindre Sorhus