webpack.config.js

/* global __dirname, require, module*/

const webpack = require('webpack');

const UglifyJsPlugin = webpack.optimize.UglifyJsPlugin;
const path = require('path');
const env = require('yargs').argv.env; // use --env with webpack 2

const libraryName = 'IconLib';

const plugins = [];
let outputFile;

if (env === 'build') {
  plugins.push(new UglifyJsPlugin({ minimize: true }));
  outputFile = `${libraryName}.min.js`;
} else {
  outputFile = `${libraryName}.js`;
}

const config = {
  entry: `${__dirname}/src/index.js`,
  devtool: 'source-map',
  output: {
    path: `${__dirname}/lib`,
    filename: outputFile,
    library: libraryName,
    libraryTarget: 'umd',
    umdNamedDefine: true,
  },
  module: {
    rules: [
      {
        test: /(\.jsx|\.js)$/,
        loader: 'babel-loader',
        exclude: /(node_modules|bower_components)/,
      },
      {
        test: /\.svg$/,
        exclude: /(node_modules|bower_components)/,
        use: [
          {
            loader: path.join(__dirname, 'loaders', 'my-custom-svg-loader.js')
          },
          {
            loader: 'svgo-loader',
            options: {
              plugins: [
                {removeTitle: true},
                {convertPathData: false}
              ]
            }
          }
        ]
      },
      {
        test: /\.css$/,
        use: [
          require.resolve('style-loader'),
          {
            loader: require.resolve('css-loader'),
            options: {
              importLoaders: 1,
            },
          }
        ],
      },
    ],
  },
  resolve: {
    modules: [path.resolve('./node_modules'), path.resolve('./src')],
    extensions: ['.json', '.js'],
  },
  plugins,
};

module.exports = config;