refactor: 优化 isLocalPath 函数，提高性能

app/src/util/pathName.ts

@@ -87,22 +87,14 @@ export const getAssetName = (assetPath: string) => {
 };
 
 export const isLocalPath = (link: string) => {
-    if (!link) {
+    link = link?.trim();
+    if (!link || link.length === 0) {
         return false;
     }
 
-    link = link.trim();
-    if (1 > link.length) {
-        return false;
-    }
-
-    link = link.toLowerCase();
-    if (link.startsWith("assets/") || link.startsWith("file://") || link.startsWith("\\\\") /* Windows 网络共享路径 */) {
-        return true;
-    }
-
-    const colonIdx = link.indexOf(":");
-    return 1 === colonIdx; // 冒号前面只有一个字符认为是 Windows 盘符而不是网络协议
+    // Windows 网络共享路径双斜杠
+    // 冒号前面只有一个字母认为是 Windows 盘符而不是网络协议
+    return /^assets\/|file:\/\/|\\\\|[A-Z]:$/i.test(link.slice(0, 7));
 };
 
 export const pathPosix = () => {