ant-design-vue/components/form/ErrorList.tsx

54 lines
1.8 KiB
Vue

import { useInjectFormItemPrefix } from './context';
import { VueNode } from '../_util/type';
import { computed, defineComponent, ref, watch } from '@vue/runtime-core';
import classNames from '../_util/classNames';
import Transition, { getTransitionProps } from '../_util/transition';
export interface ErrorListProps {
errors?: VueNode[];
/** @private Internal Usage. Do not use in your production */
help?: VueNode;
/** @private Internal Usage. Do not use in your production */
onDomErrorVisibleChange?: (visible: boolean) => void;
}
export default defineComponent<ErrorListProps>({
name: 'ErrorList',
setup(props) {
const { prefixCls, status } = useInjectFormItemPrefix();
const visible = computed(() => props.errors && props.errors.length);
const innerStatus = ref(status.value);
// Memo status in same visible
watch([() => visible, () => status], () => {
if (visible.value && status.value) {
innerStatus.value = status.value;
}
});
return () => {
const baseClassName = `${prefixCls.value}-item-explain`;
const transitionProps = getTransitionProps('show-help', {
onAfterLeave: () => props.onDomErrorVisibleChange?.(false),
});
return (
<Transition {...transitionProps}>
{visible ? (
<div
class={classNames(baseClassName, {
[`${baseClassName}-${innerStatus}`]: innerStatus,
})}
key="help"
>
{props.errors?.map((error: any, index: number) => (
// eslint-disable-next-line react/no-array-index-key
<div key={index} role="alert">
{error}
</div>
))}
</div>
) : null}
</Transition>
);
};
},
});