/**
* -----------------------------------------------------------------------
Run `webpack` and it will produce unminified output with sourcemaps.
Run `NODE_ENV=production webpack` and it will minify the output and
de-dupe all the unnecessary code.
* -----------------------------------------------------------------------
*/

var debug = process.env.NODE_ENV !== "production";
var webpack = require('webpack');
var path = require('path');
const CopyPlugin = require('copy-webpack-plugin');

const static_js_folder_dist = __dirname + '/js/dist/';
const theme_js_folder = '../../../themes/custom/vanmoof/assets/js/';
const theme_js_folder_dist = theme_js_folder + 'dist/';
const theme_js_folder_lib = theme_js_folder + 'lib/';

console.log("Webpack running in debug: " + debug);
console.log("Theme JS folder: " + theme_js_folder);
console.log("Webpack version: " + webpack.Version);
console.log("Dirname: " + __dirname + ' (target JS: ' + static_js_folder_dist + ')');

module.exports = {
    context: path.join(__dirname, "js/"),
    // comment source map so drupal doesn't break when doing aggregation
    // devtool: debug ? "eval-source-map" : true,
    entry: "./bundle.js",
    module: {
        rules: [{
            test: /\.jsx?$/,
            exclude: /(node_modules|bower_components)/,
            loader: 'babel-loader',
            query: {
                presets: ['es2015', 'stage-0'],
                plugins: [],
            }
        }]
    },
    output: {
        path: static_js_folder_dist,
        filename: "bundle.min.js"
    },
    plugins: debug ? [
            new CopyPlugin([
                { from: 'dist', to: theme_js_folder_dist },
            ], { logLevel: 'debug' }, { copyUnmodified: true }),
            new CopyPlugin([
                { from: 'lib', to: theme_js_folder_lib },
            ], { logLevel: 'warn' }, { copyUnmodified: true })
        ] :
        [
            new CopyPlugin([
                { from: 'dist', to: theme_js_folder_dist },
            ], { logLevel: 'warn' }, { copyUnmodified: true }),
            new CopyPlugin([
                { from: 'lib', to: theme_js_folder_lib },
            ], { logLevel: 'warn' }, { copyUnmodified: true }),
            new webpack.ContextReplacementPlugin(
                /moment[/\\]locale$/,
                /de|fr|nl|ja/
            ),
            new webpack.optimize.DedupePlugin(),
            new webpack.optimize.OccurrenceOrderPlugin(),
            new webpack.optimize.UglifyJsPlugin({ mangle: false, sourceMap: false }),
            new webpack.ProvidePlugin({
                $: 'jquery',
                jQuery: 'jquery'
            }),
        ],
    mode: 'development' //will cause errors with webpack <4
};