Function withinStaleWhileRevalidateWindow

deps/undici/src/lib/interceptor/cache.js:98–107

* Check if we're within the stale-while-revalidate window for a stale response * @param {import('../../types/cache-interceptor.d.ts').default.GetResult} result * @returns {boolean}

(result)

 * @returns {boolean}
 */
function withinStaleWhileRevalidateWindow (result) {
  const staleWhileRevalidate = result.cacheControlDirectives?.['stale-while-revalidate']
  if (!staleWhileRevalidate) {
    return false
  }

  const now = Date.now()
  const staleWhileRevalidateExpiry = result.staleAt + (staleWhileRevalidate * 1000)
  return now <= staleWhileRevalidateExpiry
}

/**
 * @param {DispatchFn} dispatch