stream: revert map spec compliance

PR-URL: #41931 Fixes: #41926 Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com> Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Robert Nagy <ronagy@icloud.com>
nodejs · Feb 22, 2022 · 77462b6 · 77462b6
1 parent 528c585
commit 77462b6
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Showing 2 changed files with 3 additions and 3 deletions.
diff --git a/lib/stream.js b/lib/stream.js
@@ -69,7 +69,7 @@ for (const key of ObjectKeys(streamReturningOperators)) {
     value: fn,
     enumerable: false,
     configurable: true,
-    writable: false,
+    writable: true,
   });
 }
 for (const key of ObjectKeys(promiseReturningOperators)) {

diff --git a/test/parallel/test-stream-iterator-helpers-test262-tests.mjs b/test/parallel/test-stream-iterator-helpers-test262-tests.mjs
@@ -68,7 +68,7 @@ import assert from 'assert';
   );
   assert.strictEqual(descriptor.enumerable, false);
   assert.strictEqual(descriptor.configurable, true);
-  assert.strictEqual(descriptor.writable, false);
+  // assert.strictEqual(descriptor.writable, false);
 }
 {
   // drop/length
@@ -79,7 +79,7 @@ import assert from 'assert';
   );
   assert.strictEqual(descriptor.enumerable, false);
   assert.strictEqual(descriptor.configurable, true);
-  assert.strictEqual(descriptor.writable, false);
+  // assert.strictEqual(descriptor.writable, false);
   // drop/limit-equals-total
   const iterator = Readable.from([1, 2]).drop(2);
   const result = await iterator[Symbol.asyncIterator]().next();