changemaker.lite/api/src/utils/fetch-with-timeout.ts

38 lines
1011 B
TypeScript

/**
* Fetch wrapper with automatic timeout protection
* Prevents thread exhaustion from slow external services
*/
/**
* Wrapper for fetch with automatic timeout using AbortController
*
* @param url - The URL to fetch
* @param options - Standard fetch options
* @param timeoutMs - Timeout in milliseconds (default: 5000)
* @returns Response from fetch
* @throws Error if request times out or fails
*/
export async function fetchWithTimeout(
url: string,
options: RequestInit = {},
timeoutMs = 5000
): Promise<Response> {
const controller = new AbortController();
const timer = setTimeout(() => controller.abort(), timeoutMs);
try {
const response = await fetch(url, {
...options,
signal: controller.signal,
});
clearTimeout(timer);
return response;
} catch (error) {
clearTimeout(timer);
if (error instanceof Error && error.name === 'AbortError') {
throw new Error(`Request timeout after ${timeoutMs}ms: ${url}`);
}
throw error;
}
}