mirror of
https://github.com/ant-design/ant-design.git
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404 lines
13 KiB
TypeScript
404 lines
13 KiB
TypeScript
import * as React from 'react';
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import { useContext } from 'react';
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import classNames from 'classnames';
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import { Field, FormInstance } from 'rc-field-form';
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import { FieldProps } from 'rc-field-form/lib/Field';
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import FieldContext from 'rc-field-form/lib/FieldContext';
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import { Meta, NamePath } from 'rc-field-form/lib/interface';
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import { supportRef } from 'rc-util/lib/ref';
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import omit from 'rc-util/lib/omit';
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import Row from '../grid/row';
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import { ConfigContext } from '../config-provider';
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import { tuple } from '../_util/type';
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import devWarning from '../_util/devWarning';
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import FormItemLabel, { FormItemLabelProps, LabelTooltipType } from './FormItemLabel';
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import FormItemInput, { FormItemInputProps } from './FormItemInput';
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import { FormContext, NoStyleItemContext } from './context';
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import { toArray, getFieldId } from './util';
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import { cloneElement, isValidElement } from '../_util/reactNode';
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import useFrameState from './hooks/useFrameState';
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import useDebounce from './hooks/useDebounce';
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import useItemRef from './hooks/useItemRef';
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const NAME_SPLIT = '__SPLIT__';
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interface FieldError {
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errors: string[];
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warnings: string[];
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}
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const ValidateStatuses = tuple('success', 'warning', 'error', 'validating', '');
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export type ValidateStatus = typeof ValidateStatuses[number];
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type RenderChildren<Values = any> = (form: FormInstance<Values>) => React.ReactNode;
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type RcFieldProps<Values = any> = Omit<FieldProps<Values>, 'children'>;
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type ChildrenType<Values = any> = RenderChildren<Values> | React.ReactNode;
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interface MemoInputProps {
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value: any;
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update: any;
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children: React.ReactNode;
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}
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const MemoInput = React.memo(
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({ children }: MemoInputProps) => children as JSX.Element,
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(prev, next) => prev.value === next.value && prev.update === next.update,
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);
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export interface FormItemProps<Values = any>
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extends FormItemLabelProps,
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FormItemInputProps,
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RcFieldProps<Values> {
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prefixCls?: string;
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noStyle?: boolean;
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style?: React.CSSProperties;
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className?: string;
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children?: ChildrenType<Values>;
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id?: string;
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hasFeedback?: boolean;
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validateStatus?: ValidateStatus;
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required?: boolean;
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hidden?: boolean;
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initialValue?: any;
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messageVariables?: Record<string, string>;
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tooltip?: LabelTooltipType;
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/** Auto passed by List render props. User should not use this. */
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fieldKey?: React.Key | React.Key[];
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}
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function hasValidName(name?: NamePath): Boolean {
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if (name === null) {
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devWarning(false, 'Form.Item', '`null` is passed as `name` property');
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}
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return !(name === undefined || name === null);
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}
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function genEmptyMeta(): Meta {
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return {
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errors: [],
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warnings: [],
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touched: false,
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validating: false,
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name: [],
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};
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}
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function FormItem<Values = any>(props: FormItemProps<Values>): React.ReactElement {
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const {
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name,
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fieldKey,
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noStyle,
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dependencies,
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prefixCls: customizePrefixCls,
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style,
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className,
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shouldUpdate,
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hasFeedback,
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help,
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rules,
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validateStatus,
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children,
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required,
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label,
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messageVariables,
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trigger = 'onChange',
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validateTrigger,
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hidden,
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...restProps
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} = props;
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const { getPrefixCls } = useContext(ConfigContext);
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const { name: formName, requiredMark } = useContext(FormContext);
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const isRenderProps = typeof children === 'function';
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const notifyParentMetaChange = useContext(NoStyleItemContext);
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const { validateTrigger: contextValidateTrigger } = useContext(FieldContext);
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const mergedValidateTrigger =
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validateTrigger !== undefined ? validateTrigger : contextValidateTrigger;
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const hasName = hasValidName(name);
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const prefixCls = getPrefixCls('form', customizePrefixCls);
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// ======================== Errors ========================
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// >>>>> Collect sub field errors
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const [subFieldErrors, setSubFieldErrors] = useFrameState<Record<string, FieldError>>({});
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// >>>>> Current field errors
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const [meta, setMeta] = React.useState<Meta>(() => genEmptyMeta());
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const onMetaChange = (nextMeta: Meta & { destroy?: boolean }) => {
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// Destroy will reset all the meta
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setMeta(nextMeta.destroy ? genEmptyMeta() : nextMeta);
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// Bump to parent since noStyle
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if (noStyle && notifyParentMetaChange) {
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let namePath = nextMeta.name;
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if (fieldKey !== undefined) {
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namePath = Array.isArray(fieldKey) ? fieldKey : [fieldKey!];
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}
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notifyParentMetaChange(nextMeta, namePath);
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}
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};
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// >>>>> Collect noStyle Field error to the top FormItem
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const onSubItemMetaChange = (subMeta: Meta & { destroy: boolean }, uniqueKeys: React.Key[]) => {
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// Only `noStyle` sub item will trigger
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setSubFieldErrors(prevSubFieldErrors => {
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const clone = {
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...prevSubFieldErrors,
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};
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// name: ['user', 1] + key: [4] = ['user', 4]
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const mergedNamePath = [...subMeta.name.slice(0, -1), ...uniqueKeys];
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const mergedNameKey = mergedNamePath.join(NAME_SPLIT);
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if (subMeta.destroy) {
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// Remove
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delete clone[mergedNameKey];
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} else {
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// Update
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clone[mergedNameKey] = subMeta;
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}
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return clone;
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});
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};
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// >>>>> Get merged errors
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const [mergedErrors, mergedWarnings] = React.useMemo(() => {
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const errorList: string[] = [...meta.errors];
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const warningList: string[] = [...meta.warnings];
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Object.values(subFieldErrors).forEach(subFieldError => {
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errorList.push(...(subFieldError.errors || []));
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warningList.push(...(subFieldError.warnings || []));
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});
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return [errorList, warningList];
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}, [subFieldErrors, meta.errors, meta.warnings]);
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const debounceErrors = useDebounce(mergedErrors);
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const debounceWarnings = useDebounce(mergedWarnings);
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// ===================== Children Ref =====================
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const getItemRef = useItemRef();
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// ======================== Render ========================
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function renderLayout(
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baseChildren: React.ReactNode,
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fieldId?: string,
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isRequired?: boolean,
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): React.ReactNode {
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if (noStyle && !hidden) {
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return baseChildren;
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}
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// ======================== Status ========================
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let mergedValidateStatus: ValidateStatus = '';
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if (validateStatus !== undefined) {
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mergedValidateStatus = validateStatus;
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} else if (meta?.validating) {
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mergedValidateStatus = 'validating';
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} else if (debounceErrors.length) {
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mergedValidateStatus = 'error';
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} else if (debounceWarnings.length) {
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mergedValidateStatus = 'warning';
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} else if (meta?.touched) {
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mergedValidateStatus = 'success';
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}
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const itemClassName = {
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[`${prefixCls}-item`]: true,
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[`${prefixCls}-item-with-help`]: help || debounceErrors.length || debounceWarnings.length,
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[`${className}`]: !!className,
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// Status
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[`${prefixCls}-item-has-feedback`]: mergedValidateStatus && hasFeedback,
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[`${prefixCls}-item-has-success`]: mergedValidateStatus === 'success',
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[`${prefixCls}-item-has-warning`]: mergedValidateStatus === 'warning',
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[`${prefixCls}-item-has-error`]: mergedValidateStatus === 'error',
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[`${prefixCls}-item-is-validating`]: mergedValidateStatus === 'validating',
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[`${prefixCls}-item-hidden`]: hidden,
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};
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// ======================= Children =======================
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return (
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<Row
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className={classNames(itemClassName)}
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style={style}
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key="row"
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{...omit(restProps, [
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'colon',
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'extra',
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'getValueFromEvent',
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'getValueProps',
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'htmlFor',
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'id', // It is deprecated because `htmlFor` is its replacement.
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'initialValue',
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'isListField',
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'labelAlign',
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'labelCol',
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'normalize',
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'preserve',
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'tooltip',
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'validateFirst',
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'valuePropName',
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'wrapperCol',
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'_internalItemRender' as any,
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])}
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>
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{/* Label */}
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<FormItemLabel
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htmlFor={fieldId}
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required={isRequired}
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requiredMark={requiredMark}
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{...props}
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prefixCls={prefixCls}
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/>
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{/* Input Group */}
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<FormItemInput
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{...props}
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{...meta}
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errors={debounceErrors}
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warnings={debounceWarnings}
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prefixCls={prefixCls}
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status={mergedValidateStatus}
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validateStatus={mergedValidateStatus}
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help={help}
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>
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<NoStyleItemContext.Provider value={onSubItemMetaChange}>
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{baseChildren}
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</NoStyleItemContext.Provider>
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</FormItemInput>
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</Row>
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);
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}
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if (!hasName && !isRenderProps && !dependencies) {
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return renderLayout(children) as JSX.Element;
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}
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let variables: Record<string, string> = {};
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if (typeof label === 'string') {
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variables.label = label;
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} else if (name) {
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variables.label = String(name);
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}
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if (messageVariables) {
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variables = { ...variables, ...messageVariables };
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}
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// >>>>> With Field
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return (
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<Field
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{...props}
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messageVariables={variables}
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trigger={trigger}
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validateTrigger={mergedValidateTrigger}
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onMetaChange={onMetaChange}
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>
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{(control, renderMeta, context) => {
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const mergedName = toArray(name).length && renderMeta ? renderMeta.name : [];
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const fieldId = getFieldId(mergedName, formName);
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const isRequired =
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required !== undefined
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? required
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: !!(
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rules &&
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rules.some(rule => {
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if (rule && typeof rule === 'object' && rule.required && !rule.warningOnly) {
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return true;
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}
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if (typeof rule === 'function') {
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const ruleEntity = rule(context);
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return ruleEntity && ruleEntity.required && !ruleEntity.warningOnly;
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}
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return false;
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})
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);
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// ======================= Children =======================
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const mergedControl: typeof control = {
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...control,
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};
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let childNode: React.ReactNode = null;
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devWarning(
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!(shouldUpdate && dependencies),
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'Form.Item',
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"`shouldUpdate` and `dependencies` shouldn't be used together. See https://ant.design/components/form/#dependencies.",
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);
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if (Array.isArray(children) && hasName) {
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devWarning(false, 'Form.Item', '`children` is array of render props cannot have `name`.');
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childNode = children;
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} else if (isRenderProps && (!(shouldUpdate || dependencies) || hasName)) {
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devWarning(
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!!(shouldUpdate || dependencies),
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'Form.Item',
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'`children` of render props only work with `shouldUpdate` or `dependencies`.',
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);
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devWarning(
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!hasName,
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'Form.Item',
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"Do not use `name` with `children` of render props since it's not a field.",
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);
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} else if (dependencies && !isRenderProps && !hasName) {
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devWarning(
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false,
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'Form.Item',
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'Must set `name` or use render props when `dependencies` is set.',
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);
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} else if (isValidElement(children)) {
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devWarning(
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children.props.defaultValue === undefined,
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'Form.Item',
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'`defaultValue` will not work on controlled Field. You should use `initialValues` of Form instead.',
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);
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const childProps = { ...children.props, ...mergedControl };
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if (!childProps.id) {
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childProps.id = fieldId;
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}
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if (supportRef(children)) {
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childProps.ref = getItemRef(mergedName, children);
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}
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// We should keep user origin event handler
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const triggers = new Set<string>([
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...toArray(trigger),
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...toArray(mergedValidateTrigger),
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]);
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triggers.forEach(eventName => {
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childProps[eventName] = (...args: any[]) => {
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mergedControl[eventName]?.(...args);
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children.props[eventName]?.(...args);
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};
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});
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childNode = (
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<MemoInput value={mergedControl[props.valuePropName || 'value']} update={children}>
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{cloneElement(children, childProps)}
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</MemoInput>
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);
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} else if (isRenderProps && (shouldUpdate || dependencies) && !hasName) {
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childNode = (children as RenderChildren)(context);
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} else {
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devWarning(
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!mergedName.length,
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'Form.Item',
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'`name` is only used for validate React element. If you are using Form.Item as layout display, please remove `name` instead.',
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);
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childNode = children;
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}
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return renderLayout(childNode, fieldId, isRequired);
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}}
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</Field>
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);
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}
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export default FormItem;
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