koreezgames/phaser3-ninepatch-plugin

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

module.exports = env => {
    if (!env) env = { production: false, karma: false };

    let mode = env.production ? "production" : "development";
    let tsconfig = !env.karma ? "tsconfig.json" : "tsconfig.test.json";
    let output = env.production ? "dist" : "dist-test";
    let filename = env.production ? "ninepatch.min.js" : "ninepatch.js";

    return {
        mode: mode,

        entry: {
            main: path.join(__dirname, "src/index.ts")
        },

        output: {
            path: path.join(__dirname, output),
            filename: filename,

            libraryTarget: "var",
            library: "Phaser3Ninepatch"
        },

        devtool: env.production ? undefined : "inline-source-map",

        module: {
            rules: [
                {
                    test: /\.ts$/,
                    loader: "ts-loader?configFile=" + tsconfig
                },
                {
                    test: env.production /* disable this loader for production builds */ ? /^$/ : /^(.(?!\.test))*\.ts$/,
                    loader: "istanbul-instrumenter-loader",
                    query: {
                        embedSource: true
                    },
                    enforce: "post"
                }
            ]
        },

        plugins: env.production ? [] : [new webpack.SourceMapDevToolPlugin({ test: /\.ts$/i })],

        optimization: env.production
            ? {
                  concatenateModules: true,
                  minimize: true,
                  minimizer: [
                      new UglifyJsPlugin({
                          cache: true,
                          parallel: 4,
                          uglifyOptions: {
                              output: {
                                  comments: false
                              }
                          }
                      })
                  ]
              }
            : {},
        resolve: {
            extensions: [".ts", ".js", ".json"]
        }
    };
};