Component({
  properties: {
    text: { type: String, value: '确认' },
    duration: { type: Number, value: 3 },
  },
  data: { countdown: 0, loading: false },
  methods: {
    onTap() {
      if (this.data.countdown > 0 || this.data.loading) return;
      this.setData({ countdown: this.properties.duration });
      const t = setInterval(() => {
        const n = this.data.countdown - 1;
        this.setData({ countdown: n });
        if (n <= 0) clearInterval(t);
      }, 1000);
      this.triggerEvent('confirm');
    },
    setLoading(v: boolean) {
      this.setData({ loading: v });
    },
  },
});