webpack.config.js

var path = require('path');
var webpack = require('webpack');
var ionicWebpackFactory = require(process.env.IONIC_WEBPACK_FACTORY);

module.exports = {
    entry: process.env.IONIC_APP_ENTRY_POINT,
    output: {
        path: '{{BUILD}}',
        publicPath: 'build/',
        filename: process.env.IONIC_OUTPUT_JS_FILE_NAME,
        devtoolModuleFilenameTemplate: ionicWebpackFactory.getSourceMapperFunction(),
    },
    devtool: process.env.IONIC_SOURCE_MAP_TYPE,

    resolve: {
        extensions: ['.ts', '.js', '.json'],
        modules: [path.resolve('node_modules')]
    },

    module: {
        loaders: [{
                test: /\.json$/,
                loader: 'json-loader'
            },
            {
                test: /\.ts$/,
                loader: process.env.IONIC_WEBPACK_LOADER
            },
            {
                test: /\.js$/,
                loader: process.env.IONIC_WEBPACK_TRANSPILE_LOADER
            }
        ]
    },

    plugins: [
        ionicWebpackFactory.getIonicEnvironmentPlugin(),
        new webpack.EnvironmentPlugin(['IONIC_ENV'])
        // new webpack.EnvironmentPlugin({
        //     'IONIC_ENV': JSON.stringify(process.env.IONIC_ENV),
        //     'NODE_ENV': 'development'
        // })
    ],

    // Some libraries import Node modules but don't use them in the browser.
    // Tell Webpack to provide empty mocks for them so importing them works.
    node: {
        fs: 'empty',
        net: 'empty',
        tls: 'empty'
    }
};