react-keyboard-event-handler/webpack.config.js

A React component for handling keyboard events.

const webpack = require('webpack');
const UglifyJsPlugin = require('uglifyjs-webpack-plugin');
const path = require('path');
const env = require('yargs').argv.env; // use --env with webpack 2
const pkg = require('./package.json');

let libraryName = pkg.name;

let optimization = {}, outputFile;

if (env === 'build') {
  optimization = {
    minimizer: [
      new UglifyJsPlugin({
        uglifyOptions: {
          compress: {
            drop_console: true,
          },
          mangle: {
            reserved: ['e'],
          },
          output: {
            beautify: false,
          },
          comments: false,
        },
      }),
    ],
  },
  outputFile = libraryName + '.min.js';
} else {
  outputFile = libraryName + '.js';
}

const config = {
  mode: 'production',
  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)$/,
        loader: 'babel-loader',
        exclude: /(node_modules|bower_components)/
      },
      {
        test: /(\.jsx|\.js)$/,
        loader: 'eslint-loader',
        exclude: /node_modules/
      }
    ]
  },
  resolve: {
    modules: [path.resolve('./node_modules'), path.resolve('./src')],
    extensions: ['.json', '.js']
  },
  externals: {
    react: 'react',
    ['prop-types']: 'prop-types',
  },
  plugins: [],
  optimization: optimization,
};

module.exports = config;