reactify

Browserify transform for JSX (superset of JavaScript used in React library):

/**
 * @jsx React.DOM
 */

var React = require('react')

var Hello = React.createClass({

  render: function() {
    return <div>Hello, {this.props.name}!</div>
  }
})

React.renderComponent(
  <Hello name="World" />,
  document.getElementById('hello')
)

Save the snippet above as main.js and then produce a bundle with the following command:

% browserify -t reactify main.js

reactify transform activates for files with either .jsx extension or /** @jsx React.DOM */ pragma as a first line for any .js file.

If you want to reactify modules with other extensions, pass an -x / --extension option:

% browserify -t coffeeify -t [ reactify --extension coffee ] main.coffee

If you don't want to specify extension, just pass --everything option:

% browserify -t coffeeify -t [ reactify --everything ] main.coffee

ES6 transformation

reactify transform also can compile a limited set of es6 syntax constructs into es5. Supported features are arrow functions, rest params, templates, object short notation and classes. You can activate this via --es6 or --harmony boolean option:

% browserify -t [ reactify --es6 ] main.js

You can also configure it in package.json

{
    "name": "my-package",
    "browserify": {
        "transform": [
            ["reactify", {"es6": true}]
        ]
    }
}

Using 3rd-party jstransform visitors

Reactify uses jstransform to transform JavaScript code. It allows code transformations to be pluggable and, what's more important, composable. For example JSX and es6 are implemented as separate code transformations and still can be composed together.

Reactify provides --visitors option to specify additional jstransform visitos which could perform additional transformations.