[AngularJS + Webpack] ES6 with BabelJS

Install:

npm install --save-dev babel-loader

webpack.config.js:

Add module, tell webpack to find all js file and use babel as loader, exclude all files in node_modules

module.exports = {
    entry: {
        app: ['./app/index.js']
    },
    output: {
        path: './build',
        filename: 'bundle.js'
    },
    module: {
        loaders: [
            {test: /.js$/, loader: 'babel', exclude: /node_modules/}
        ]
    }
};