mirror of
https://github.com/ant-design/ant-design.git
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409 lines
13 KiB
TypeScript
409 lines
13 KiB
TypeScript
import classNames from 'classnames';
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import type { FormInstance } from 'rc-field-form';
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import { Field, FieldContext, ListContext } from 'rc-field-form';
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import type { FieldProps } from 'rc-field-form/lib/Field';
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import type { Meta, NamePath } from 'rc-field-form/lib/interface';
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import useState from 'rc-util/lib/hooks/useState';
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import { supportRef } from 'rc-util/lib/ref';
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import * as React from 'react';
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import { cloneElement, isValidElement } from '../../_util/reactNode';
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import warning from '../../_util/warning';
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import { ConfigContext } from '../../config-provider';
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import type { FormItemInputProps } from '../FormItemInput';
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import type { FormItemLabelProps, LabelTooltipType } from '../FormItemLabel';
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import { FormContext, NoStyleItemContext } from '../context';
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import useFormItemStatus from '../hooks/useFormItemStatus';
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import useFrameState from '../hooks/useFrameState';
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import useItemRef from '../hooks/useItemRef';
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import { getFieldId, toArray } from '../util';
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import ItemHolder from './ItemHolder';
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import useChildren from '../hooks/useChildren';
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import useStyle from '../style';
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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 = ['success', 'warning', 'error', 'validating', ''] as const;
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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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childProps: any[];
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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) =>
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prev.value === next.value &&
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prev.update === next.update &&
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prev.childProps.length === next.childProps.length &&
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prev.childProps.every((value, index) => value === next.childProps[index]),
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);
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export interface FormItemProps<Values = any>
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extends Omit<FormItemLabelProps, 'requiredMark'>,
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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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rootClassName?: 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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/** @deprecated No need anymore */
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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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warning(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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validated: false,
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};
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}
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function InternalFormItem<Values = any>(props: FormItemProps<Values>): React.ReactElement {
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const {
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name,
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noStyle,
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className,
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dependencies,
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prefixCls: customizePrefixCls,
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shouldUpdate,
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rules,
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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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help,
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} = props;
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const { getPrefixCls } = React.useContext(ConfigContext);
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const { name: formName } = React.useContext(FormContext);
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const mergedChildren = useChildren(children);
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const isRenderProps = typeof mergedChildren === 'function';
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const notifyParentMetaChange = React.useContext(NoStyleItemContext);
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const { validateTrigger: contextValidateTrigger } = React.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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// Style
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const [wrapSSR, hashId] = useStyle(prefixCls);
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// ========================= MISC =========================
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// Get `noStyle` required info
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const listContext = React.useContext(ListContext);
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const fieldKeyPathRef = React.useRef<React.Key[]>();
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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] = useState<Meta>(() => genEmptyMeta());
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const onMetaChange = (nextMeta: Meta & { destroy?: boolean }) => {
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// This keyInfo is not correct when field is removed
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// Since origin keyManager no longer keep the origin key anymore
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// Which means we need cache origin one and reuse when removed
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const keyInfo = listContext?.getKey(nextMeta.name);
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// Destroy will reset all the meta
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setMeta(nextMeta.destroy ? genEmptyMeta() : nextMeta, true);
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// Bump to parent since noStyle
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if (noStyle && help !== false && notifyParentMetaChange) {
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let namePath = nextMeta.name;
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if (!nextMeta.destroy) {
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if (keyInfo !== undefined) {
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const [fieldKey, restPath] = keyInfo;
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namePath = [fieldKey, ...restPath];
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fieldKeyPathRef.current = namePath;
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}
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} else {
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// Use origin cache data
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namePath = fieldKeyPathRef.current || namePath;
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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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// ===================== 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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return (
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<ItemHolder
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key="row"
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{...props}
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className={classNames(className, hashId)}
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prefixCls={prefixCls}
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fieldId={fieldId}
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isRequired={isRequired}
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errors={mergedErrors}
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warnings={mergedWarnings}
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meta={meta}
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onSubItemMetaChange={onSubItemMetaChange}
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>
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{baseChildren}
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</ItemHolder>
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);
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}
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if (!hasName && !isRenderProps && !dependencies) {
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return wrapSSR(renderLayout(mergedChildren) 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 wrapSSR(
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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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warning(
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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://u.ant.design/form-deps.",
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);
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if (Array.isArray(mergedChildren) && hasName) {
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warning(
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false,
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'Form.Item',
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'A `Form.Item` with a `name` prop must have a single child element. For information on how to render more complex form items, see https://u.ant.design/complex-form-item.',
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);
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childNode = mergedChildren;
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} else if (isRenderProps && (!(shouldUpdate || dependencies) || hasName)) {
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warning(
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!!(shouldUpdate || dependencies),
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'Form.Item',
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'A `Form.Item` with a render function must have either `shouldUpdate` or `dependencies`.',
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);
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warning(
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!hasName,
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'Form.Item',
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'A `Form.Item` with a render function cannot be a field, and thus cannot have a `name` prop.',
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);
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} else if (dependencies && !isRenderProps && !hasName) {
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warning(
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false,
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'Form.Item',
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'Must set `name` or use a render function when `dependencies` is set.',
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);
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} else if (isValidElement(mergedChildren)) {
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warning(
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mergedChildren.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 = { ...mergedChildren.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 (help || mergedErrors.length > 0 || mergedWarnings.length > 0 || props.extra) {
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const describedbyArr = [];
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if (help || mergedErrors.length > 0) {
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describedbyArr.push(`${fieldId}_help`);
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}
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if (props.extra) {
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describedbyArr.push(`${fieldId}_extra`);
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}
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childProps['aria-describedby'] = describedbyArr.join(' ');
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}
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if (mergedErrors.length > 0) {
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childProps['aria-invalid'] = 'true';
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}
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if (isRequired) {
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childProps['aria-required'] = 'true';
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}
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if (supportRef(mergedChildren)) {
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childProps.ref = getItemRef(mergedName, mergedChildren);
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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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mergedChildren.props[eventName]?.(...args);
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};
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});
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// List of props that need to be watched for changes -> if changes are detected in MemoInput -> rerender
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const watchingChildProps = [
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childProps['aria-required'],
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childProps['aria-invalid'],
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childProps['aria-describedby'],
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];
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childNode = (
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<MemoInput
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value={mergedControl[props.valuePropName || 'value']}
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update={mergedChildren}
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childProps={watchingChildProps}
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>
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{cloneElement(mergedChildren, 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 = mergedChildren(context);
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} else {
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warning(
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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 = mergedChildren as React.ReactNode;
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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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type InternalFormItemType = typeof InternalFormItem;
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type CompoundedComponent = InternalFormItemType & {
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useStatus: typeof useFormItemStatus;
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};
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const FormItem = InternalFormItem as CompoundedComponent;
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FormItem.useStatus = useFormItemStatus;
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export default FormItem;
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