Function getRetryDelayMs

typescript/src/model.ts:287–296

* Returns the number of milliseconds to wait before the next retry attempt. * When the response carries a `Retry-After` header (sent by servers on 429 Too Many Requests * and 503 Service Unavailable), its value (in seconds) is used as the delay, capped at * `maxMs` to avoid waiting longer than th

(response: Response, defaultMs: number, maxMs: number)

 * For all other transient errors the default pause is returned.
 */
function getRetryDelayMs(response: Response, defaultMs: number, maxMs: number): number {
    const retryAfter = response.headers.get("retry-after");
    if (retryAfter) {
        const seconds = parseInt(retryAfter, 10);
        if (!isNaN(seconds)) {
            return Math.min(seconds * 1000, maxMs);
        }
    }
    return defaultMs;
}

/**
 * Returns true of the given HTTP status code represents a transient error.