Now we are using `pipes` and `pipesCount` in Readable state and the
`pipes` value can be a stream or an array of streams. This change
reducing them into one `pipes` value, which is an array of streams.
PR-URL: https://github.com/nodejs/node/pull/28583
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Fix the uncommon situation when a readable stream is piped twice into
the same destination stream, and then unpiped once.
Previously, the `unpipe` event handlers weren’t able to tell whether
they were corresponding to the “right” conceptual pipe that was being
removed; this fixes this by adding a counter to the `unpipe` event
handler and only removing a single piping destination at most.
Fixes: https://github.com/nodejs/node/issues/12718
PR-URL: https://github.com/nodejs/node/pull/12746
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
