grunt-jstransform

grunt-jstransform

Grunt task for transpiling ES6 --> ES5 using Facebook's jstransform

Getting Started

This plugin requires Grunt ~0.4.4

If you haven't used Grunt before, be sure to check out the Getting Started guide, as it explains how to create a Gruntfile as well as install and use Grunt plugins. Once you're familiar with that process, you may install this plugin with this command:

npm install grunt-jstransform --save-dev

Once the plugin has been installed, it may be enabled inside your Gruntfile with this line of JavaScript:

grunt.loadNpmTasks('grunt-jstransform');

The "jstransform" task

Overview

In your project's Gruntfile, add a section named jstransform to the data object passed into grunt.initConfig().

grunt.initConfig({
  jstransform: {
    options: {
      // Task-specific options go here.
    },
    your_target: {
      // Target-specific file lists and/or options go here.
    },
  },
});

Options

options.visitors

Type: Array Default value: []

A list of visitors to apply when transpiling.

Usage Examples

Default Options

In this example, the javascript written in ES6 will transpile classes, arrow funciton, and object short notation down to ES5 code.

grunt.initConfig({
  jstransform: {
    options: {
      visitors: ['class', 'arrow-function', 'object-short-notation']
    },
    files: {
      'dest/app.js': ['src/app.js']
    },
  }
});

This plugin supports all visitors exposed by jstransform which are:

• class (declaration, expressions, extends, method, super)
• arrow functions
• object short notation
• rest params
• templates

Contributing

In lieu of a formal styleguide, take care to maintain the existing coding style. Add unit tests for any new or changed functionality. Lint and test your code using Grunt.

Release History

(Nothing yet)