var webpack = require('webpack');
var webpackMerge = require('webpack-merge');
var ExtractTextPlugin = require('extract-text-webpack-plugin');
var commonConfig = require('./webpack.common.js');
var helpers = require('./helpers');

module.exports = function (env) {
    console.log("env:", env);
    return webpackMerge(commonConfig, {
        devtool: 'source-map',

        output: {
            path: helpers.root('dist'),
            publicPath: '',
            filename: '[name].[hash].js',
            chunkFilename: '[id].[hash].chunk.js'
        },

        plugins: [
            new webpack.NoEmitOnErrorsPlugin(),
            new webpack.optimize.UglifyJsPlugin({ // https://github.com/angular/angular/issues/10618
                mangle: {
                    keep_fnames: true
                }
            }),
            new ExtractTextPlugin('[name].[hash].css'),
            new webpack.DefinePlugin({
                'process.env': {
                    'NODE_ENV': JSON.stringify(env.NODE_ENV)
                }
            }),
            new webpack.LoaderOptionsPlugin({
                htmlLoader: {
                    minimize: false // workaround for ng2
                }
            })
        ]
    });
};