ai-utils.js/model-function/generate-text/parseEventSourceReadableStream.cjs

Build AI applications, chatbots, and agents with JavaScript and TypeScript.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.parseEventSourceReadableStream = void 0;
const eventsource_parser_1 = require("eventsource-parser");
async function* convertReadableStreamToAsyncIterable(reader) {
    while (true) {
        const result = await reader.read();
        if (result.done) {
            break;
        }
        yield result.value;
    }
}
/**
 * @internal
 */
async function parseEventSourceReadableStream({ stream, callback, }) {
    try {
        const parser = (0, eventsource_parser_1.createParser)(callback);
        const decoder = new TextDecoder();
        const iterable = convertReadableStreamToAsyncIterable(stream.getReader());
        for await (const value of iterable) {
            parser.feed(decoder.decode(value));
        }
    }
    catch (error) {
        console.error(error); // TODO introduce error handler param
    }
}
exports.parseEventSourceReadableStream = parseEventSourceReadableStream;