92 lines
3.4 KiB
JavaScript
92 lines
3.4 KiB
JavaScript
"use strict";
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// File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.getDefaultFetch = getDefaultFetch;
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exports.makeReadableStream = makeReadableStream;
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exports.ReadableStreamFrom = ReadableStreamFrom;
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exports.ReadableStreamToAsyncIterable = ReadableStreamToAsyncIterable;
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exports.CancelReadableStream = CancelReadableStream;
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function getDefaultFetch() {
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if (typeof fetch !== 'undefined') {
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return fetch;
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}
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throw new Error('`fetch` is not defined as a global; Either pass `fetch` to the client, `new OpenAI({ fetch })` or polyfill the global, `globalThis.fetch = fetch`');
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}
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function makeReadableStream(...args) {
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const ReadableStream = globalThis.ReadableStream;
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if (typeof ReadableStream === 'undefined') {
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// Note: All of the platforms / runtimes we officially support already define
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// `ReadableStream` as a global, so this should only ever be hit on unsupported runtimes.
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throw new Error('`ReadableStream` is not defined as a global; You will need to polyfill it, `globalThis.ReadableStream = ReadableStream`');
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}
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return new ReadableStream(...args);
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}
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function ReadableStreamFrom(iterable) {
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let iter = Symbol.asyncIterator in iterable ? iterable[Symbol.asyncIterator]() : iterable[Symbol.iterator]();
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return makeReadableStream({
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start() { },
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async pull(controller) {
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const { done, value } = await iter.next();
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if (done) {
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controller.close();
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}
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else {
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controller.enqueue(value);
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}
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},
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async cancel() {
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await iter.return?.();
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},
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});
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}
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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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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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/**
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* Cancels a ReadableStream we don't need to consume.
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* See https://undici.nodejs.org/#/?id=garbage-collection
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*/
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async function CancelReadableStream(stream) {
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if (stream === null || typeof stream !== 'object')
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return;
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if (stream[Symbol.asyncIterator]) {
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await stream[Symbol.asyncIterator]().return?.();
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return;
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}
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const reader = stream.getReader();
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const cancelPromise = reader.cancel();
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reader.releaseLock();
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await cancelPromise;
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}
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//# sourceMappingURL=shims.js.map
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