export default {
  // directives: {
  //   ref: {
  //     bind: function (el, binding, vnode) {
  //       binding.value(vnode.componentInstance ? vnode.componentInstance : vnode.elm)
  //     },
  //     update: function (el, binding, vnode) {
  //       binding.value(vnode.componentInstance ? vnode.componentInstance : vnode.elm)
  //     },
  //     unbind: function (el, binding, vnode) {
  //       binding.value(null)
  //     },
  //   },
  // },
  methods: {
    setState(state, callback) {
      const newState = typeof state === 'function' ? state(this.$data, this.$props) : state;
      // if (this.getDerivedStateFromProps) {
      //   Object.assign(newState, this.getDerivedStateFromProps(getOptionProps(this), { ...this.$data, ...newState }, true) || {})
      // }
      Object.assign(this.$data, newState);
      this.$forceUpdate();
      this.$nextTick(() => {
        callback && callback();
      });
    },
    __emit() {
      // 直接调用listeners，底层组件不需要vueTool记录events
      const args = [].slice.call(arguments, 0);
      const eventName = args[0];
      const event = this.$listeners[eventName];
      if (args.length && event) {
        if (Array.isArray(event)) {
          for (let i = 0, l = event.length; i < l; i++) {
            event[i](...args.slice(1));
          }
        } else {
          event(...args.slice(1));
        }
      }
    },
  },
};