AIServer/server/node_modules/openai/internal/stream-utils.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.ReadableStreamToAsyncIterable = void 0;
/**
 * 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;
        },
    };
}
exports.ReadableStreamToAsyncIterable = ReadableStreamToAsyncIterable;
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