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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 | 34x 7x 7x 7x 7x 4x 1x 1x 3x 4x 4x 7x | /**
* @module mcp-client/transport/timeout
* @description Abortable fetch helper for non-MCP external URLs
* (GitHub raw, regeringen.se, etc.). Wraps `globalThis.fetch` with an
* `AbortController`-backed timeout so the news pipeline cannot hang on
* slow public resources.
*
* @author Hack23 AB
* @license Apache-2.0
*/
/** Timeout in milliseconds for fetching external URLs (GitHub, etc.) */
export const EXTERNAL_URL_FETCH_TIMEOUT_MS = 15_000;
/**
* Fetch raw text content from an external URL with an abortable timeout.
* Returns `null` (and emits a `console.warn`) on any non-2xx response or
* network error — callers treat absence as "content unavailable" rather
* than fatal.
*/
export async function fetchExternalUrlText(
rawUrl: string,
timeoutMs: number = EXTERNAL_URL_FETCH_TIMEOUT_MS,
): Promise<string | null> {
const controller = new AbortController();
const timeout = setTimeout(() => controller.abort(), timeoutMs);
try {
const response = await fetch(rawUrl, {
signal: controller.signal,
headers: { Accept: 'text/plain, text/markdown, text/html, */*' },
});
if (!response.ok) {
console.warn(`⚠️ HTTP ${response.status} fetching external URL: ${rawUrl}`);
return null;
}
// Keep the AbortController active across body consumption so a slow
// or stalled response body cannot hang the news pipeline indefinitely.
return await response.text();
} catch (error: unknown) {
console.warn(`⚠️ Could not fetch external URL ${rawUrl}: ${(error as Error).message}`);
return null;
} finally {
clearTimeout(timeout);
}
}
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