fix(node:zlib): gzip & gzipSync should accept ArrayBuffer (#26762)

Closes https://github.com/denoland/deno/issues/26638

1 files changed, 7 insertions, 0 deletions

diff --git a/ext/node/polyfills/_zlib.mjs b/ext/node/polyfills/_zlib.mjs
index 851bd602f..07fc440ef 100644
--- a/ext/node/polyfills/_zlib.mjs
+++ b/ext/node/polyfills/_zlib.mjs
@@ -14,6 +14,7 @@ import { nextTick } from "ext:deno_node/_next_tick.ts";
 import {
   isAnyArrayBuffer,
   isArrayBufferView,
+  isUint8Array,
 } from "ext:deno_node/internal/util/types.ts";
 
 var kRangeErrorMessage = "Cannot create final Buffer. It would be larger " +
@@ -158,6 +159,12 @@ export const inflateRawSync = function (buffer, opts) {
 function sanitizeInput(input) {
   if (typeof input === "string") input = Buffer.from(input);
 
+  if (isArrayBufferView(input) && !isUint8Array(input)) {
+    input = Buffer.from(input.buffer, input.byteOffset, input.byteLength);
+  } else if (isAnyArrayBuffer(input)) {
+    input = Buffer.from(input);
+  }
+
   if (
     !Buffer.isBuffer(input) &&
     (input.buffer && !input.buffer.constructor === ArrayBuffer)