Denozordec
d11414666f
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29 lines
681 B
TypeScript
29 lines
681 B
TypeScript
export async function withRetry<T>(
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operation: () => Promise<T>,
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maxAttempts = 3,
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): Promise<T> {
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let delay = 500;
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let lastError: unknown;
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for (let attempt = 0; attempt < maxAttempts; attempt++) {
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try {
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return await operation();
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} catch (err) {
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lastError = err;
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if (attempt < maxAttempts - 1) {
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await new Promise((r) => setTimeout(r, delay));
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delay *= 2;
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}
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}
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}
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throw lastError;
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}
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export function parseRetryAfter(headers: Headers): number | null {
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const value = headers.get("retry-after");
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if (!value) return null;
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const seconds = Number(value);
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return Number.isFinite(seconds) ? seconds * 1000 : null;
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}
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