35 lines
1.2 KiB
JavaScript
35 lines
1.2 KiB
JavaScript
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/**
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* Most browsers don't yet have async iterable support for ReadableStream,
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* and Node has a very different way of reading bytes from its "ReadableStream".
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*
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* This polyfill was pulled from https://github.com/MattiasBuelens/web-streams-polyfill/pull/122#issuecomment-1627354490
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*/
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export function ReadableStreamToAsyncIterable(stream) {
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if (stream[Symbol.asyncIterator])
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return stream;
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const reader = stream.getReader();
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return {
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async next() {
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try {
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const result = await reader.read();
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if (result?.done)
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reader.releaseLock(); // release lock when stream becomes closed
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return result;
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}
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catch (e) {
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reader.releaseLock(); // release lock when stream becomes errored
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throw e;
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}
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},
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async return() {
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const cancelPromise = reader.cancel();
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reader.releaseLock();
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await cancelPromise;
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return { done: true, value: undefined };
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},
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[Symbol.asyncIterator]() {
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return this;
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},
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};
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}
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//# sourceMappingURL=stream-utils.mjs.map
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