answer-mini/wechat-app/static/vant/icon/index.js

import { VantComponent } from '../common/component';
VantComponent({
  props: {
    dot: Boolean,
    info: null,
    size: null,
    color: String,
    customStyle: String,
    classPrefix: {
      type: String,
      value: 'van-icon',
    },
    name: {
      type: String,
      observer(val) {
        this.setData({
          isImageName: val.indexOf('/') !== -1,
        });
      },
    },
  },
  methods: {
    onClick() {
      this.$emit('click');
    },
  },
});