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stream: fix _final and 'prefinish' timing #32780

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stream: fix _final and 'prefinish' timing #32780

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be9f726
stream: fix _final and 'prefinish' timing
ronag Apr 11, 2020
469766e
fixup: comments
ronag Apr 15, 2020
571eb88
fixup: missing needFinish
ronag Apr 15, 2020
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fixup: missing needFinish
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@ronag
ronag committed Apr 15, 2020
commit 571eb8893763991da627834bf7260f702ab60edf
7 changes: 3 additions & 4 deletions lib/_stream_writable.js
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Original file line number Diff line number Diff line change
Expand Up @@ -635,10 +635,7 @@ function callFinal(stream, state) {
state.pendingcb--;
if (err) {
errorOrDestroy(stream, err, state.sync);
} else {
// Backwards compat. Don't check needFinish() here.
// Some streams assume 'finish' will be emitted
// even if stream has been destroyed.
} else if (needFinish(state)) {
state.prefinished = true;
stream.emit('prefinish');
// Backwards compat. Don't check state.sync here.
Expand Down Expand Up @@ -682,6 +679,8 @@ function finish(stream, state) {
if (state.errorEmitted)
return;

// TODO(ronag): This could occur after 'close' is emitted.

state.finished = true;
stream.emit('finish');

Expand Down