@lodestar/utils/lib/timeout.js

Utilities required across multiple lodestar packages

import { anySignal } from "any-signal";
import { ErrorAborted, TimeoutError } from "./errors.js";
import { sleep } from "./sleep.js";
export async function withTimeout(asyncFn, timeoutMs, signal) {
    if (signal?.aborted) {
        throw new ErrorAborted();
    }
    const timeoutAbortController = new AbortController();
    const timeoutAndParentSignal = anySignal([timeoutAbortController.signal, ...(signal ? [signal] : [])]);
    async function timeoutPromise(signal) {
        await sleep(timeoutMs, signal);
        throw new TimeoutError();
    }
    try {
        return await Promise.race([asyncFn(timeoutAndParentSignal), timeoutPromise(timeoutAndParentSignal)]);
    }
    finally {
        timeoutAbortController.abort();
    }
}
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