Function callAsyncHook

packages/runtime-core/src/components/BaseTransition.ts:369–380

(
    hook: Hook<(el: any, done: () => void) => void>,
    args: [TransitionElement, () => void],
  )

  }

  const callAsyncHook = (
    hook: Hook<(el: any, done: () => void) => void>,
    args: [TransitionElement, () => void],
  ) => {
    const done = args[1]
    callHook(hook, args)
    if (isArray(hook)) {
      if (hook.every(hook => hook.length <= 1)) done()
    } else if (hook.length <= 1) {
      done()
    }
  }

  const hooks: TransitionHooks<TransitionElement> = {
    mode,