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Editorial: Remove redundant assertion in "ReadableStream pipe through" and "ReadableStream pipe to" #1375

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Editorial: Remove redundant assertion in "ReadableStream pipe through" and "ReadableStream pipe to" #1375

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057990b
Remove redundant assertion in `readablestream-pipe-through`
yezhizhen Jun 22, 2026
83335ed
Remove redundant assertion in "ReadableStream pipe to"
yezhizhen Jun 22, 2026
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4 changes: 0 additions & 4 deletions index.bs
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Original file line number Diff line number Diff line change
Expand Up @@ -7582,8 +7582,6 @@ sense to pass them to {{ReadableStream/pipeThrough()}}.
They will return a {{Promise}} that fulfills when the pipe completes, or rejects with an exception
if it fails.

1. Assert: ! [$IsReadableStreamLocked$](|readable|) is false.
1. Assert: ! [$IsWritableStreamLocked$](|writable|) is false.
1. Let |signalArg| be |signal| if |signal| was given, or undefined otherwise.
1. Return ! [$ReadableStreamPipeTo$](|readable|, |writable|, |preventClose|, |preventAbort|,
|preventCancel|, |signalArg|).
Expand All @@ -7605,8 +7603,6 @@ sense to pass them to {{ReadableStream/pipeThrough()}}.
through"><var>signal</var></dfn>, is given by performing the following steps. The result will be
the [=readable side=] of |transform|.

1. Assert: ! [$IsReadableStreamLocked$](|readable|) is false.
1. Assert: ! [$IsWritableStreamLocked$](|transform|.[=TransformStream/[[writable]]=]) is false.
1. Let |signalArg| be |signal| if |signal| was given, or undefined otherwise.
1. Let |promise| be ! [$ReadableStreamPipeTo$](|readable|,
|transform|.[=TransformStream/[[writable]]=], |preventClose|, |preventAbort|, |preventCancel|,
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