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48 lines
1.6 KiB
48 lines
1.6 KiB
5 months ago
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/**
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* Original source:
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* https://github.com/kmalakoff/response-iterator/blob/master/src/index.ts
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*/
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import { canUseAsyncIteratorSymbol } from "../../utilities/index.js";
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import asyncIterator from "./iterators/async.js";
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import nodeStreamIterator from "./iterators/nodeStream.js";
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import promiseIterator from "./iterators/promise.js";
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import readerIterator from "./iterators/reader.js";
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function isNodeResponse(value) {
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return !!value.body;
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}
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function isReadableStream(value) {
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return !!value.getReader;
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}
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function isAsyncIterableIterator(value) {
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return !!(canUseAsyncIteratorSymbol &&
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value[Symbol.asyncIterator]);
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}
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function isStreamableBlob(value) {
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return !!value.stream;
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}
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function isBlob(value) {
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return !!value.arrayBuffer;
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}
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function isNodeReadableStream(value) {
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return !!value.pipe;
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}
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export function responseIterator(response) {
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var body = response;
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if (isNodeResponse(response))
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body = response.body;
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if (isAsyncIterableIterator(body))
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return asyncIterator(body);
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if (isReadableStream(body))
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return readerIterator(body.getReader());
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// this errors without casting to ReadableStream<T>
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// because Blob.stream() returns a NodeJS ReadableStream
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if (isStreamableBlob(body)) {
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return readerIterator(body.stream().getReader());
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}
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if (isBlob(body))
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return promiseIterator(body.arrayBuffer());
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if (isNodeReadableStream(body))
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return nodeStreamIterator(body);
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throw new Error("Unknown body type for responseIterator. Please pass a streamable response.");
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}
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//# sourceMappingURL=responseIterator.js.map
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