Add build task for analysis && minification

Author: JelteMX

package.json

@@ -19,7 +19,8 @@
     "lint": "pluggable-widgets-tools lint",
     "lint:fix": "pluggable-widgets-tools lint:fix",
     "prerelease": "npm run lint",
-    "release": "pluggable-widgets-tools release:ts"
+    "release": "pluggable-widgets-tools release:ts",
+    "analyze": "pluggable-widgets-tools release:ts --analyze"
   },
   "license": "Apache-2.0",
   "devDependencies": {
@@ -29,7 +30,9 @@
     "@types/jest": "^24.0.0",
     "@types/react": "~16.9.0",
     "@types/react-dom": "~16.9.0",
-    "@types/react-test-renderer": "~16.9.0"
+    "@types/react-test-renderer": "~16.9.0",
+    "terser-webpack-plugin": "^3.0.6",
+    "webpack-bundle-analyzer": "^3.8.0"
   },
   "dependencies": {
     "classnames": "^2.2.6",

webpack.config.prod.js

@@ -0,0 +1,74 @@
+const merge = require("webpack-merge");
+const webpack = require("webpack");
+const path = require("path");
+const pkg = require('./package.json');
+
+const args = process.argv.slice(2);
+
+const baseConfig = require("./node_modules/@mendix/pluggable-widgets-tools/configs/webpack.config.prod.js");
+
+const TerserPlugin = require("terser-webpack-plugin");
+const BundleAnalyzerPlugin = require('webpack-bundle-analyzer').BundleAnalyzerPlugin;
+
+const customConfig = {
+    // Custom configuration goes here
+    devtool: false,
+    optimization: {
+        minimizer: [
+            new TerserPlugin({
+                cache: true,
+                parallel: true,
+                extractComments: false,
+                terserOptions: {
+                    ecma: undefined,
+                    warnings: false,
+                    sourceMap: false,
+                    parse: {},
+                    compress: {
+                        passes: 2
+                    },
+                    mangle: true,
+                    module: false,
+                    output: {
+                        comments: false,
+                        beautify: false,
+                        preamble: `/* Text Template Widget || Version ${pkg.version} || Apache 2 LICENSE || Developer: ${pkg.author} || Please report any issues here: https://github.com/JelteMX/mendix-text-template/issues */\n`
+                    },
+                    toplevel: false,
+                    nameCache: null,
+                    ie8: false,
+                    keep_classnames: undefined,
+                    keep_fnames: false,
+                    safari10: false
+                },
+            }),
+          ]
+    },
+    plugins: [
+
+    ],
+    // We add this to further slim down the package
+    resolve: {
+        alias: {
+
+        }
+    }
+};
+
+if (args.includes("--analyze")) {
+    customConfig.plugins.push(new BundleAnalyzerPlugin());
+}
+
+const previewConfig = {
+    // Custom configuration goes here
+    // devtool: "source-map"
+    plugins: [
+
+    ],
+    resolve: {
+        alias: {
+        }
+    }
+};
+
+module.exports = [merge(baseConfig[0], customConfig), merge(baseConfig[1], previewConfig)];