vant-weapp/packages/image/demo/index.ts

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

VantComponent({
  data: {
    fits: [
      'contain',
      'cover',
      'fill',
      'none',
      'scale-down',
      'widthFix',
      'heightFix',
    ],
    src: 'https://img.yzcdn.cn/vant/cat.jpeg',
  },
});