stream: revert revert map spec compliance

This reverts commit 91d28d8. PR-URL: #41933 Reviewed-By: Antoine du Hamel <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Matteo Collina <[email protected]>
nodejs · Feb 13, 2022 · ceaa299 · ceaa299
1 parent 829a34a
commit ceaa299
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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: true,
+    writable: false,
   });
 }
 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();