From 8a3d48d4a334feaea9ae4146601839e7d52920e1 Mon Sep 17 00:00:00 2001
From: redphx <96280+redphx@users.noreply.github.com>
Date: Tue, 22 Oct 2024 20:07:26 +0700
Subject: [PATCH] Optimize Game slug generator by using cached RegEx

---
 build.ts                |  3 +++
 src/modules/patcher.ts  | 15 +++++++++++++++
 src/utils/bx-exposed.ts |  6 ++++++
 3 files changed, 24 insertions(+)

diff --git a/build.ts b/build.ts
index 5a3cbe4..be57933 100644
--- a/build.ts
+++ b/build.ts
@@ -100,6 +100,9 @@ const postProcess = (str: string): string => {
         });
     }
 
+    // Fix unicode regex in Patcher.optimizeGameSlugGenerator
+    str = str.replaceAll('^\\™', '^\\\\u2122');
+
     assert(str.includes('/* ADDITIONAL CODE */'));
     assert(str.includes('window.BX_EXPOSED = BxExposed'));
     assert(str.includes('window.BxEvent = BxEvent'));
diff --git a/src/modules/patcher.ts b/src/modules/patcher.ts
index e74fa64..96a5b8c 100644
--- a/src/modules/patcher.ts
+++ b/src/modules/patcher.ts
@@ -972,6 +972,19 @@ if (this.baseStorageKey in window.BX_EXPOSED.overrideSettings) {
         return str;
     },
 
+    // Optimize Game slug generator by using cached RegEx
+    optimizeGameSlugGenerator(str: string) {
+        let text = '/[;,/?:@&=+_`~$%#^*()!^\\u2122\\xae\\xa9]/g';
+        if (!str.includes(text)) {
+            return false;
+        }
+
+        str = str.replace(text, 'window.BX_EXPOSED.GameSlugRegexes[0]');
+        str = str.replace('/ {2,}/g', 'window.BX_EXPOSED.GameSlugRegexes[1]');
+        str = str.replace('/ /g', 'window.BX_EXPOSED.GameSlugRegexes[2]');
+
+        return str;
+    },
 };
 
 let PATCH_ORDERS: PatchArray = [
@@ -982,6 +995,8 @@ let PATCH_ORDERS: PatchArray = [
         'exposeInputSink',
     ] : []),
 
+    'optimizeGameSlugGenerator',
+
     'detectBrowserRouterReady',
     'patchRequestInfoCrash',
 
diff --git a/src/utils/bx-exposed.ts b/src/utils/bx-exposed.ts
index f5fa589..2eeb07a 100644
--- a/src/utils/bx-exposed.ts
+++ b/src/utils/bx-exposed.ts
@@ -144,4 +144,10 @@ export const BxExposed = {
 
         return false;
     },
+
+    GameSlugRegexes: [
+        /[;,/?:@&=+_`~$%#^*()!^\u2122\xae\xa9]/g,
+        / {2,}/g,
+        / /g,
+    ],
 };