Upload组件与Form组件结合有问题

[luichooy]

• I have searched the issues of this repository and believe that this is not a duplicate.

Version

1.3.8

Environment

vue2.6.6

Reproduction link

https://vue.ant.design/components/form-cn/#components-form-demo-other-form-controls

Steps to reproduce

1. 在Form组件内部使用Upload组件使用v-decorator="['dragger', { valuePropName: 'fileList', getValueFromEvent: normFile, }]"
2. 选择一张图片后，然后调用 this.form.resetFields()
3. 然后重新选择图片
4. 报错

What is expected?

修复

What is actually happening?

此情况下源码

reBeforeUpload(file, fileList) {
if (!this.beforeUpload) {
return true;
}
const result = this.beforeUpload(file, fileList);
if (result === false) {
this.onChange({
file,
fileList: uniqBy(this.sFileList.concat(fileList.map(fileToObject)), item => item.uid),
});
return false;
} else if (result && result.then) {
return result;
}
return true;
},

中concat处报错。

---

原因是 form.resetFields() 将 fileList 置为 undefined, 而源码中又watch了 fileList,从而导致 sFileList 变为 undefined

[github-actions]

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