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117 lines
3.2 KiB
117 lines
3.2 KiB
import * as React from 'react';
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import classNames from 'classnames';
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import CSSMotion, { CSSMotionList } from 'rc-motion';
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import { FormItemPrefixContext } from './context';
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import { ConfigContext } from '../config-provider';
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import { ValidateStatus } from './FormItem';
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import collapseMotion from '../_util/motion';
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const EMPTY_LIST: React.ReactNode[] = [];
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interface ErrorEntity {
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error: React.ReactNode;
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errorStatus?: ValidateStatus;
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key: string;
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}
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function toErrorEntity(
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error: React.ReactNode,
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errorStatus: ValidateStatus | undefined,
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prefix: string,
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index: number = 0,
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): ErrorEntity {
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return {
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key: typeof error === 'string' ? error : `${prefix}-${index}`,
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error,
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errorStatus,
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};
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}
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export interface ErrorListProps {
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help?: React.ReactNode;
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helpStatus?: ValidateStatus;
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errors?: React.ReactNode[];
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warnings?: React.ReactNode[];
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className?: string;
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}
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export default function ErrorList({
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help,
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helpStatus,
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errors = EMPTY_LIST,
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warnings = EMPTY_LIST,
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className: rootClassName,
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}: ErrorListProps) {
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const { prefixCls } = React.useContext(FormItemPrefixContext);
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const { getPrefixCls } = React.useContext(ConfigContext);
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const baseClassName = `${prefixCls}-item-explain`;
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const rootPrefixCls = getPrefixCls();
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const fullKeyList = React.useMemo(() => {
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if (help !== undefined && help !== null) {
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return [toErrorEntity(help, helpStatus, 'help')];
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}
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return [
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...errors.map((error, index) => toErrorEntity(error, 'error', 'error', index)),
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...warnings.map((warning, index) => toErrorEntity(warning, 'warning', 'warning', index)),
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];
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}, [help, helpStatus, errors, warnings]);
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return (
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<CSSMotion
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{...collapseMotion}
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motionName={`${rootPrefixCls}-show-help`}
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motionAppear={false}
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motionEnter={false}
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visible={!!fullKeyList.length}
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onLeaveStart={node => {
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// Force disable css override style in index.less configured
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node.style.height = 'auto';
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return { height: node.offsetHeight };
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}}
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>
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{holderProps => {
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const { className: holderClassName, style: holderStyle } = holderProps;
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return (
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<div
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className={classNames(baseClassName, holderClassName, rootClassName)}
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style={holderStyle}
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>
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<CSSMotionList
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keys={fullKeyList}
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{...collapseMotion}
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motionName={`${rootPrefixCls}-show-help-item`}
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component={false}
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>
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{itemProps => {
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const {
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key,
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error,
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errorStatus,
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className: itemClassName,
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style: itemStyle,
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} = itemProps;
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return (
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<div
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key={key}
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role="alert"
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className={classNames(itemClassName, {
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[`${baseClassName}-${errorStatus}`]: errorStatus,
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})}
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style={itemStyle}
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>
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{error}
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</div>
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);
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}}
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</CSSMotionList>
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</div>
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);
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}}
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</CSSMotion>
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);
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}
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