Function assertCacheValue

lib/util/cache.js:319–345

* @param {any} value

(value)

 * @param {any} value
 */
function assertCacheValue (value) {
  if (typeof value !== 'object') {
    throw new TypeError(`expected value to be object, got ${typeof value}`)
  }

  for (const property of ['statusCode', 'cachedAt', 'staleAt', 'deleteAt']) {
    if (typeof value[property] !== 'number') {
      throw new TypeError(`expected value.${property} to be number, got ${typeof value[property]}`)
    }
  }

  if (typeof value.statusMessage !== 'string') {
    throw new TypeError(`expected value.statusMessage to be string, got ${typeof value.statusMessage}`)
  }

  if (value.headers != null && typeof value.headers !== 'object') {
    throw new TypeError(`expected value.rawHeaders to be object, got ${typeof value.headers}`)
  }

  if (value.vary !== undefined && typeof value.vary !== 'object') {
    throw new TypeError(`expected value.vary to be object, got ${typeof value.vary}`)
  }

  if (value.etag !== undefined && typeof value.etag !== 'string') {
    throw new TypeError(`expected value.etag to be string, got ${typeof value.etag}`)
  }
}

/**
 * @see https://www.rfc-editor.org/rfc/rfc9111.html#name-cache-control