url: add fast path to getPathFromURL decoder

gurgunday · aduh95 · commit d65326c4e6bf · 2026-01-19T19:19:31.000+01:00
PR-URL: #60749 Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com> Reviewed-By: Aviv Keller <me@aviv.sh>
diff --git a/lib/internal/url.js b/lib/internal/url.js
@@ -1463,7 +1463,10 @@ function getPathFromURLWin32(url) {
     }
   }
   pathname = SideEffectFreeRegExpPrototypeSymbolReplace(FORWARD_SLASH, pathname, '\\');
-  pathname = decodeURIComponent(pathname);
+  // Fast-path: if there is no percent-encoding, avoid decodeURIComponent.
+  if (StringPrototypeIncludes(pathname, '%')) {
+    pathname = decodeURIComponent(pathname);
+  }
   if (hostname !== '') {
     // If hostname is set, then we have a UNC path
     // Pass the hostname through domainToUnicode just in case
@@ -1569,7 +1572,8 @@ function getPathFromURLPosix(url) {
       }
     }
   }
-  return decodeURIComponent(pathname);
+  // Fast-path: if there is no percent-encoding, avoid decodeURIComponent.
+  return StringPrototypeIncludes(pathname, '%') ? decodeURIComponent(pathname) : pathname;
 }
 
 function getPathBufferFromURLPosix(url) {

Original file line number	Diff line number	Diff line change
`@@ -1463,7 +1463,10 @@ function getPathFromURLWin32(url) {`
`1463`	`1463`	`}`
`1464`	`1464`	`}`
`1465`	`1465`	`pathname = SideEffectFreeRegExpPrototypeSymbolReplace(FORWARD_SLASH, pathname, '\\');`
`1466`		`- pathname = decodeURIComponent(pathname);`
	`1466`	`+ // Fast-path: if there is no percent-encoding, avoid decodeURIComponent.`
	`1467`	`+ if (StringPrototypeIncludes(pathname, '%')) {`
	`1468`	`+ pathname = decodeURIComponent(pathname);`
	`1469`	`+ }`
`1467`	`1470`	`if (hostname !== '') {`
`1468`	`1471`	`// If hostname is set, then we have a UNC path`
`1469`	`1472`	`// Pass the hostname through domainToUnicode just in case`
`@@ -1569,7 +1572,8 @@ function getPathFromURLPosix(url) {`
`1569`	`1572`	`}`
`1570`	`1573`	`}`
`1571`	`1574`	`}`
`1572`		`- return decodeURIComponent(pathname);`
	`1575`	`+ // Fast-path: if there is no percent-encoding, avoid decodeURIComponent.`
	`1576`	`+ return StringPrototypeIncludes(pathname, '%') ? decodeURIComponent(pathname) : pathname;`
`1573`	`1577`	`}`
`1574`	`1578`
`1575`	`1579`	`function getPathBufferFromURLPosix(url) {`