traceur-compiler-loader

traceur-compiler-loader v1.0.6

Up to date Traceur Compiler 0.0.8x loader for Webpack.

Before using

You should manually install "imports-loader" in your project

$ npm install imports-loader

By default traceur-compiler-loader using 0.0.86 version of traceur, but you can manually install any version from 0.0.8x.

IMPORTANT

  You should install traceur-compiler before traceur-compiler-loader
  if you want use different version on compiler.

Add TRACEUR_RUNTIME to module.noParse in webpack.config.js

var
  TRACEUR_RUNTIME = require('traceur-compiler-loader').runtime;
 
module.exports = {
 
  //....
 
  module: {
    noParse: [
      new RegExp(TRACEUR_RUNTIME)
    ]
  }
 
  //...
};

Usage

// Simple option (does not include Traceur runtime)
require("traceur!./script-file");
 
// Include Traceur runtime automatically
require("traceur?runtime!./script-file");
 
// Specify Traceur options
require("traceur?experimental&symbols!./script-file");
 
// All together now
require("traceur?runtime&symbols!./script-file");

Recommended configuration (do not process modules)

{
  module: {
    loaders: [
      {
        test: /^(?!.*(bower_components|node_modules))+.+\.js$/,
        loader: 'traceur'
      }
    ],
    noParse: [
      new RegExp(TRACEUR_RUNTIME)
    ]
  }
}
 
// With parameters
{
  module: {
    loaders: [
      {
        test: /^(?!.*(bower_components|node_modules))+.+\.js$/,
        loader: 'traceur?experimental&runtime'
      }
    ],
    noParse: [
      new RegExp(TRACEUR_RUNTIME)
    ]
  }
}

Defaults

{
  // Modules set to CommonJS (consistent with Node.js and Webpack)
  modules: 'commonjs',
 
  // Source maps are built and fed to Webpack (use Webpack options)
  sourceMaps: true,
 
  // Traceur runtime by default not auto included
  runtime: false
}

Runtime path

Access to the runtime path is available as a direct reference: require('traceur-compiler-loader').runtime.

To view all Traceur options, visit here.