pic-js-mops/dist/util/poll.js

An Internet Computer Protocol canister testing library for TypeScript and JavaScript.

export async function poll(cb, { intervalMs, timeoutMs }) {
    const startTimeMs = Date.now();
    return new Promise((resolve, reject) => {
        async function runPoll() {
            const currentTimeMs = Date.now();
            try {
                const result = await cb();
                return resolve(result);
            }
            catch (e) {
                if (currentTimeMs - startTimeMs >= timeoutMs) {
                    return reject(e);
                }
                setTimeout(runPoll, intervalMs);
            }
        }
        runPoll();
    });
}
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