Function assertCacheMethods

lib/util/cache.js:359–373

* @param {unknown} methods * @returns {asserts methods is import('../../types/cache-interceptor.d.ts').default.CacheMethods[]}

(methods, name = 'CacheMethods')

 * @returns {asserts methods is import('../../types/cache-interceptor.d.ts').default.CacheMethods[]}
 */
function assertCacheMethods (methods, name = 'CacheMethods') {
  if (!Array.isArray(methods)) {
    throw new TypeError(`expected type of ${name} needs to be an array, got ${methods === null ? 'null' : typeof methods}`)
  }

  if (methods.length === 0) {
    throw new TypeError(`${name} needs to have at least one method`)
  }

  for (const method of methods) {
    if (!safeHTTPMethods.includes(method)) {
      throw new TypeError(`element of ${name}-array needs to be one of following values: ${safeHTTPMethods.join(', ')}, got ${method}`)
    }
  }
}

/**
 * Creates a string key for request deduplication purposes.