ant-design-vue/components/upload/Dragger.jsx

import { getOptionProps } from '../_util/props-util'
import Upload from './Upload'
import { UploadProps } from './interface'

export default {
  name: 'AUploadDragger',
  props: UploadProps,
  render () {
    const props = getOptionProps(this)
    const draggerProps = {
      props: {
        ...props,
        type: 'drag',
      },
      on: this.$listeners,
      style: { height: this.height },
    }
    return <Upload {...draggerProps} >{this.$slots.default}</Upload>
  },
}