Revert "perf: improve Buffer.from(buf) by 29x" (denoland#24351)

denoland#24341 (comment) Reverts denoland#24341
sbmsr · Jul 2, 2024 · 36fd4a9 · 36fd4a9
1 parent 025b4c6
commit 36fd4a9
Showing 1 changed file with 0 additions and 11 deletions.
diff --git a/ext/node/polyfills/internal/buffer.mjs b/ext/node/polyfills/internal/buffer.mjs
@@ -229,22 +229,11 @@ function fromArrayLike(array) {
   return buf;
 }
 
-function fromUint8Array(u8) {
-  const buf = new Uint8Array(u8.buffer, u8.byteOffset, u8.byteLength);
-  Object.setPrototypeOf(buf, Buffer.prototype);
-  return buf.slice();
-}
-
 function fromObject(obj) {
   if (obj.length !== undefined || isAnyArrayBuffer(obj.buffer)) {
     if (typeof obj.length !== "number") {
       return createBuffer(0);
     }
-
-    if (obj instanceof Uint8Array) {
-      return fromUint8Array(obj);
-    }
-
     return fromArrayLike(obj);
   }