21 lines
582 B
TypeScript
21 lines
582 B
TypeScript
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export function sleep(ms: number): Promise<void> {
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return new Promise((resolve) => setTimeout(resolve, ms));
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}
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export async function eventually(assertFn: () => void, opts?: { timeoutMs?: number; intervalMs?: number }): Promise<void> {
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const timeoutMs = opts?.timeoutMs ?? 500;
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const intervalMs = opts?.intervalMs ?? 10;
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const start = Date.now();
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let lastErr: any = null;
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while (Date.now() - start < timeoutMs) {
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try {
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assertFn();
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return;
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} catch (e: any) {
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lastErr = e;
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await sleep(intervalMs);
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}
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}
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if (lastErr) throw lastErr;
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}
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