webpack.config.js

const SpeedMeasurePlugin            = require('speed-measure-webpack-plugin');
const DuplicatePackageCheckerPlugin = require('duplicate-package-checker-webpack-plugin');
const webpack                       = require('webpack');
const pkg                           = require('./package');
const path                          = require('path');

const banner = `${pkg.name} ${pkg.version} - ${pkg.description}\nCopyright (c) ${new Date().getFullYear()} ${pkg.author} - ${pkg.homepage}\nLicense: ${pkg.license}`;

const webpackConfig = {
  context: path.resolve(__dirname, 'src'),
  entry: './index.js',
  output: {
    path: path.resolve(__dirname, 'build'),
    filename: 'index.js',
    library: 'MarkerAnimation',
    libraryTarget: 'umd',
  },
  module: {
    rules: [
      {
        test: /\.js$/,
        exclude: /node_modules/,
        loader: 'babel-loader',
      },
    ],
  },
  externals: {
    jquery: {
      root: 'jQuery',
      commonjs2: 'jquery',
      commonjs: 'jquery',
      amd: 'jquery',
    },
  },
  plugins: [
    new webpack.BannerPlugin(banner),
    new DuplicatePackageCheckerPlugin(),
  ],
};

module.exports = (new SpeedMeasurePlugin()).wrap(webpackConfig);