webpack.config.js

const path = require('path');
const UglifyJsPlugin = require('uglifyjs-webpack-plugin');

module.exports = {
    entry: './src/entry.js',
    devtool: 'source-map',
    output: {
        path: path.resolve(__dirname, 'dist'),
        filename: 'kline.js',
        libraryTarget: 'umd',
        umdNamedDefine: true
    },
    plugins: [
        new UglifyJsPlugin()
    ],
    externals: {
        jquery: {
            commonjs: "jquery",
            commonjs2: 'jquery',
            amd: "jquery",
            root: "$"
        }
    },
    module: {
        rules: [
            {
                test: /\.js$/,
                exclude: /(node_modules|bower_components)/,
                use: {
                    loader: 'babel-loader',
                    options: {
                        presets: [
                            '@babel/preset-env'
                        ],
                        plugins: [
                            'transform-class-properties'
                        ]
                    }
                }
            },
            {
                test: /\.css$/,
                use: ['style-loader', 'css-loader']
            },
            {
                test: /\.(png|jpg|gif|svg|eot|ttf|woff|woff2)$/,
                loader: 'url-loader',
                options: {
                    limit: 10000
                }
            },
            {
                test: /\.(html)$/,
                use: {
                    loader: 'html-loader',
                    options: {
                        attrs: [':data-src']
                    }
                }
            }
        ]
    }
};