webpack.config.js

const webpack = require("webpack"); //to access built-in plugins
var path = require("path");
var APP = path.resolve(__dirname);

module.exports = {
    context: APP,
    entry: {
        OP_Bundle: APP + "/assets/opstools/AppBuilder/OP/OP.js",
        BuildApp: APP + "/assets/opstools/AppBuilder/AppBuilder.js"
    },
    output: {
        path: APP + "/assets/opstools/BuildApp",
        filename: "[name].js"
    },
    resolve: {
        alias: {
            OP: APP + "/assets/opstools/AppBuilder/OP/OP.js"
            // it's important what kind of paths you're using (relative vs. absolute)
        }
    },
    module: {
        rules: [
            {
                test: /\.(js|jsx)$/,
                loader: "babel-loader"
            },
            {
                test: /\.css$/,
                use: ["style-loader", "css-loader"]
            },
            {
                test: /\.(eot|woff|woff2|svg|ttf)([\?]?.*)$/,
                use: ["url-loader?limit=10000000"]
            }
        ]
    },
    devtool: "source-map",
    plugins: [
        // new webpack.optimize.UglifyJsPlugin({
        //     compress: {
        //         warnings: true
        //     },
        //     sourceMap: true
        // }),
        // new webpack.LoaderOptionsPlugin({
        //     minimize: false  // true
        // }),
        // *************************************************************************** //
        // This builds the OP into same bundle but automatically handles the import    //
        // *************************************************************************** //
        // new webpack.ProvidePlugin({
        //     OP: "OP"
        // })
        // ***************************************** //
        // This builds the OP into a seperate bundle //
        // ***************************************** //
        /*
    new webpack.optimize.CommonsChunkPlugin({
      name: "OP_Bundle",

      filename: "OP_Bundle.js",
      // (Give the chunk a different name)

      minChunks: Infinity,
      // (with more entries, this ensures that no other module
      //  goes into the vendor chunk)
    })
    */
    ]
};