options.js

import { VantComponent } from '../common/component';
VantComponent({
  props: {
    options: Array,
    showBorder: Boolean,
  },
  methods: {
    onSelect(event) {
      const { index } = event.currentTarget.dataset;
      const option = this.data.options[index];
      this.$emit('select', Object.assign(Object.assign({}, option), { index }));
    },
  },
});