vant-weapp/packages/grid/index.ts

import { VantComponent } from '../common/component';
import { useChildren } from '../common/relation';

VantComponent({
  relation: useChildren('grid-item'),

  props: {
    square: {
      type: Boolean,
      observer: 'updateChildren',
    },
    gutter: {
      type: null,
      value: 0,
      observer: 'updateChildren',
    },
    clickable: {
      type: Boolean,
      observer: 'updateChildren',
    },
    columnNum: {
      type: Number,
      value: 4,
      observer: 'updateChildren',
    },
    center: {
      type: Boolean,
      value: true,
      observer: 'updateChildren',
    },
    border: {
      type: Boolean,
      value: true,
      observer: 'updateChildren',
    },
    direction: {
      type: String,
      observer: 'updateChildren',
    },
    iconSize: {
      type: String,
      observer: 'updateChildren',
    },
    reverse: {
      type: Boolean,
      value: false,
      observer: 'updateChildren',
    },
  },

  methods: {
    updateChildren() {
      this.children.forEach((child) => {
        child.updateStyle();
      });
    },
  },
});