feat: latin1fromString never returns pooled Uint8Arrays

Author: ChALkeR

fallback/encoding.js

@@ -367,7 +367,5 @@ export function isomorphicDecode(input) {
 }
 
 export function isomorphicEncode(str) {
-  const res = latin1fromString(str)
-  // match new Uint8Array, which is non-pooled
-  return res.byteOffset === 0 && res.length === res.buffer.byteLength ? res : res.slice(0)
+  return latin1fromString(str)
 }

single-byte.node.js

@@ -90,8 +90,9 @@ function encode(s, m) {
 export function latin1fromString(s) {
   if (typeof s !== 'string') throw new TypeError(E_STRING)
   if (NON_LATIN.test(s)) throw new TypeError(E_STRICT)
-  const b = Buffer.from(s, 'latin1')
-  return new Uint8Array(b.buffer, b.byteOffset, b.byteLength)
+  const ab = new ArrayBuffer(s.length)
+  Buffer.from(ab).latin1Write(s)
+  return new Uint8Array(ab)
 }
 
 export function createSinglebyteEncoder(encoding, { mode = 'fatal' } = {}) {