Function cancellableFetch

src/utils/request.ts:371–385

(
  url: string,
  options: RequestInit = {}
)

 * @returns { abort, promise } - abort 函数和 promise
 */
export function cancellableFetch<T>(
  url: string,
  options: RequestInit = {}
): { abort: () => void; promise: Promise<T> } {
  const controller = new AbortController()
  const promise = fetchWithTimeout<T>(url, {
    ...options,
    signal: controller.signal,
  })

  return {
    abort: () => controller.abort(),
    promise,
  }
}

/**
 * 并发请求控制器