@just-every/ensemble/dist/utils/fetch_with_timeout.js

LLM provider abstraction layer with unified streaming interface

export async function fetchWithTimeout(url, init = {}, timeoutMs = 20000) {
    const controller = new AbortController();
    const id = setTimeout(() => {
        const reason = new Error(`Fetch to ${url} timed out after ${timeoutMs}ms`);
        controller.abort(reason);
    }, timeoutMs);
    try {
        return await fetch(url, { ...init, signal: controller.signal });
    }
    catch (error) {
        if (error?.name === 'AbortError') {
            const message = typeof error?.message === 'string' && error.message.trim() !== ''
                ? error.message
                : `Fetch to ${url} was aborted`;
            const timeoutError = new Error(message);
            timeoutError.name = 'AbortError';
            throw timeoutError;
        }
        throw error;
    }
    finally {
        clearTimeout(id);
    }
}
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