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code golf ndjson reader

pull/10001/head
Niklas Fiekas 2021-10-20 14:17:53 +02:00
parent c2a02dbee0
commit 4855121b62
1 changed files with 5 additions and 11 deletions
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16
ui/common/src/ndjson.ts
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@ -23,17 +23,11 @@ export const readNdJson =
const loop = (): Promise<Error | true> =>
stream.read().then(({ done, value }) => {
if (done) {
if (buf.length > 0) processLine(JSON.parse(buf));
return Promise.resolve(true);
} else {
const chunk = decoder.decode(value, { stream: true });
buf += chunk;
const parts = buf.split(matcher);
buf = parts.pop() || '';
for (const i of parts.filter(p => p)) processLine(JSON.parse(i));
return loop();
}
buf += decoder.decode(value, { stream: !done });
const parts = buf.split(matcher);
if (!done) buf = parts.pop()!;
for (const part of parts) if (part) processLine(JSON.parse(part));
return done ? Promise.resolve(true) : loop();
});
return {