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stream: dont access Object.prototype.type during TransformStream init #46389

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Merged
nodejs-github-bot merged 5 commits into from
Feb 2, 2023
Merged

stream: dont access Object.prototype.type during TransformStream init #46389

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b2a828b
stream: dont access Object.prototype.type during TransformStream init
debadree25 Jan 28, 2023
0b29636
fixup!
debadree25 Jan 30, 2023
034f49f
fixup!
debadree25 Jan 30, 2023
efb65e0
fixup
debadree25 Jan 30, 2023
a8aa8a2
fixup! use configurable
debadree25 Jan 31, 2023
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fixup
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@debadree25
debadree25 committed Jan 30, 2023
commit efb65e07005499c8b4b9904f72759873ed61ee16
4 changes: 2 additions & 2 deletions lib/internal/webstreams/transformstream.js
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Original file line number Diff line number Diff line change
Expand Up @@ -358,6 +358,7 @@ function initializeTransformStream(
readableSizeAlgorithm) {

const writable = new WritableStream({
__proto__: null,
start() { return startPromise.promise; },
write(chunk) {
return transformStreamDefaultSinkWriteAlgorithm(stream, chunk);
Expand All @@ -368,13 +369,13 @@ function initializeTransformStream(
close() {
return transformStreamDefaultSinkCloseAlgorithm(stream);
},
__proto__: null
}, {
highWaterMark: writableHighWaterMark,
size: writableSizeAlgorithm,
});

const readable = new ReadableStream({
__proto__: null,
start() { return startPromise.promise; },
pull() {
return transformStreamDefaultSourcePullAlgorithm(stream);
Expand All @@ -383,7 +384,6 @@ function initializeTransformStream(
transformStreamErrorWritableAndUnblockWrite(stream, reason);
return PromiseResolve();
},
__proto__: null,
}, {
highWaterMark: readableHighWaterMark,
size: readableSizeAlgorithm,
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4 changes: 2 additions & 2 deletions test/parallel/test-whatwg-transformstream.js
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Expand Up @@ -201,6 +201,6 @@ class Source {
controller.terminate();
}
});
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aduh95 marked this conversation as resolved.
delete Object.prototype.type;

Reflect.deleteProperty(Object.prototype, 'type');
}