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stream: async iterator stop read if destroyed
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Fixes some compatibility issues where it is expected
that for await stops reading when the stream is
destroyed.

Refs: #34887

PR-URL: #35640
Reviewed-By: Rich Trott <[email protected]>
Reviewed-By: Matteo Collina <[email protected]>
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: James M Snell <[email protected]>
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ronag authored and MylesBorins committed Oct 15, 2020
1 parent bfc9069 commit 1d8ecd8
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Showing 2 changed files with 1 addition and 3 deletions.
2 changes: 1 addition & 1 deletion lib/internal/streams/readable.js
Original file line number Diff line number Diff line change
Expand Up @@ -1095,7 +1095,7 @@ async function* createAsyncIterator(stream) {

try {
while (true) {
const chunk = stream.read();
const chunk = stream.destroyed ? null : stream.read();
if (chunk !== null) {
yield chunk;
} else if (errorEmitted) {
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2 changes: 0 additions & 2 deletions test/parallel/test-stream-readable-async-iterators.js
Original file line number Diff line number Diff line change
Expand Up @@ -43,8 +43,6 @@ async function tests() {
});

const iter = Readable.prototype[Symbol.asyncIterator].call(stream);
await iter.next();
await iter.next();
await iter.next()
.then(common.mustNotCall())
.catch(common.mustCall((err) => {
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