/opt/canhelp/node_modules/openai/internal
Edit: /opt/canhelp/node_modules/openai/internal/shims.js (3431B)
"use strict";
// File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
Object.defineProperty(exports, "__esModule", { value: true });
exports.getDefaultFetch = getDefaultFetch;
exports.makeReadableStream = makeReadableStream;
exports.ReadableStreamFrom = ReadableStreamFrom;
exports.ReadableStreamToAsyncIterable = ReadableStreamToAsyncIterable;
exports.CancelReadableStream = CancelReadableStream;
function getDefaultFetch() {
if (typeof fetch !== 'undefined') {
return fetch;
}
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`');
}
function makeReadableStream(...args) {
const ReadableStream = globalThis.ReadableStream;
if (typeof ReadableStream === 'undefined') {
// Note: All of the platforms / runtimes we officially support already define
// `ReadableStream` as a global, so this should only ever be hit on unsupported runtimes.
throw new Error('`ReadableStream` is not defined as a global; You will need to polyfill it, `globalThis.ReadableStream = ReadableStream`');
}
return new ReadableStream(...args);
}
function ReadableStreamFrom(iterable) {
let iter = Symbol.asyncIterator in iterable ? iterable[Symbol.asyncIterator]() : iterable[Symbol.iterator]();
return makeReadableStream({
start() { },
async pull(controller) {
const { done, value } = await iter.next();
if (done) {
controller.close();
}
else {
controller.enqueue(value);
}
},
async cancel() {
await iter.return?.();
},
});
}
/**
* Most browsers don't yet have async iterable support for ReadableStream,
* and Node has a very different way of reading bytes from its "ReadableStream".
*
* This polyfill was pulled from https://github.com/MattiasBuelens/web-streams-polyfill/pull/122#issuecomment-1627354490
*/
function ReadableStreamToAsyncIterable(stream) {
if (stream[Symbol.asyncIterator])
return stream;
const reader = stream.getReader();
return {
async next() {
try {
const result = await reader.read();
if (result?.done)
reader.releaseLock(); // release lock when stream becomes closed
return result;
}
catch (e) {
reader.releaseLock(); // release lock when stream becomes errored
throw e;
}
},
async return() {
const cancelPromise = reader.cancel();
reader.releaseLock();
await cancelPromise;
return { done: true, value: undefined };
},
[Symbol.asyncIterator]() {
return this;
},
};
}
/**
* Cancels a ReadableStream we don't need to consume.
* See https://undici.nodejs.org/#/?id=garbage-collection
*/
async function CancelReadableStream(stream) {
if (stream === null || typeof stream !== 'object')
return;
if (stream[Symbol.asyncIterator]) {
await stream[Symbol.asyncIterator]().return?.();
return;
}
const reader = stream.getReader();
const cancelPromise = reader.cancel();
reader.releaseLock();
await cancelPromise;
}
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