stream: validate fromWritable() options before cache#63278
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Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## main #63278 +/- ##
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+ Coverage 90.04% 90.05% +0.01%
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Lines 225338 225346 +8
Branches 42598 42613 +15
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+ Misses 14236 14192 -44
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Validate options before returning a cached fromWritable() adapter so invalid later options still throw. Cache adapters by backpressure policy as well as Writable instance, since the policy changes write behavior. Fixes: nodejs#63277 Signed-off-by: Kamat, Trivikram <16024985+trivikr@users.noreply.github.com> Assisted-by: openai:gpt-5.5
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Fixes
stream/iterfromWritable()cache handling so later options arevalidated and applied correctly.
Previously,
fromWritable(writable)cached a strict writer, and later callssuch as
fromWritable(writable, { backpressure: 'drop-newest' })returned thatcached strict writer before validating or applying the new options. This also
meant invalid later options did not throw.
This updates
fromWritable()to validate options before cache lookup and cachewriters by both
Writableinstance and backpressure policy.Fixes: #63277
Assisted-by: openai:gpt-5.5