Experimental fix for game version ^1.99.5.2

build.js

@@ -1,5 +1,6 @@
 import beautifier from 'js-beautify';
 const { js: beautify } = beautifier;
+import UglifyJS from 'uglify-js';
 import fs from 'fs';
 
 if (!fs.existsSync("./build")) fs.mkdirSync("./build");
@@ -9,6 +10,22 @@ fs.cpSync("./src/fx_core.js", "./build/fx_core.js");
 fs.writeFileSync("./build/index.html", fs.readFileSync("./build/index.html").toString().replace(/buildTimestamp/g, Date.now()));
 let script = fs.readFileSync('./game/latest.js', { encoding: 'utf8' }).replace("\n", "").trim();
 
+const exposeVarsToGlobalScope = true;
+// need to first remove the iife wrapper so the top-level functions aren't inlined
+if (exposeVarsToGlobalScope && script.startsWith("\"use strict\";    (function () {") && script.endsWith("})();"))
+	script = script.slice("\"use strict\";    (function () {".length, -"})();".length);
+if (exposeVarsToGlobalScope && script.startsWith("(function () {") && script.endsWith("})();"))
+	script = script.slice("(function () {".length, -"})();".length);
+
+// for versions ^1.99.5.2
+const minificationResult = UglifyJS.minify(script, {
+	"compress": { "arrows": false },
+	"mangle": false
+});
+if (minificationResult.error) console.log(minificationResult.error);
+if (minificationResult.warnings) console.log(minificationResult.warnings);
+script = minificationResult.code;
+
 const replaceOne = (expression, replaceValue) => {
     const result = matchOne(expression);
     // this (below) works correctly because expression.lastIndex gets reset above in matchOne when there is no match
@@ -104,13 +121,6 @@ applyPatches({ replace, replaceOne, replaceRawCode, dictionary, matchOne, matchR
 
 console.log("Formatting code...");
 
-const exposeVarsToGlobalScope = true;
-
-if (exposeVarsToGlobalScope && script.startsWith("\"use strict\";    (function () {") && script.endsWith("})();"))
-	script = script.slice("\"use strict\";    (function () {".length, -"})();".length);
-if (exposeVarsToGlobalScope && script.startsWith("(function () {") && script.endsWith("})();"))
-	script = script.slice("(function () {".length, -"})();".length);
-
 script = beautify(script, {
 	"indent_size": "1",
 	"indent_char": "\t",

package-lock.json

@@ -9,7 +9,8 @@
       "version": "0.5.3",
       "license": "ISC",
       "dependencies": {
-        "js-beautify": "^1.14.11"
+        "js-beautify": "^1.14.11",
+        "uglify-js": "^3.19.2"
       }
     },
     "node_modules/@isaacs/cliui": {
@@ -463,6 +464,17 @@
         "node": ">=8"
       }
     },
+    "node_modules/uglify-js": {
+      "version": "3.19.2",
+      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.19.2.tgz",
+      "integrity": "sha512-S8KA6DDI47nQXJSi2ctQ629YzwOVs+bQML6DAtvy0wgNdpi+0ySpQK0g2pxBq2xfF2z3YCscu7NNA8nXT9PlIQ==",
+      "bin": {
+        "uglifyjs": "bin/uglifyjs"
+      },
+      "engines": {
+        "node": ">=0.8.0"
+      }
+    },
     "node_modules/which": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz",
@@ -878,6 +890,11 @@
         }
       }
     },
+    "uglify-js": {
+      "version": "3.19.2",
+      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.19.2.tgz",
+      "integrity": "sha512-S8KA6DDI47nQXJSi2ctQ629YzwOVs+bQML6DAtvy0wgNdpi+0ySpQK0g2pxBq2xfF2z3YCscu7NNA8nXT9PlIQ=="
+    },
     "which": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz",

package.json

@@ -19,6 +19,7 @@
   },
   "homepage": "https://github.com/fxclient/FXclient#readme",
   "dependencies": {
-    "js-beautify": "^1.14.11"
+    "js-beautify": "^1.14.11",
+    "uglify-js": "^3.19.2"
   }
 }