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111 lines
3.3 KiB
TypeScript
111 lines
3.3 KiB
TypeScript
import LoadingOutlined from '@ant-design/icons/LoadingOutlined';
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import classNames from 'classnames';
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import * as React from 'react';
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import { ConfigContext } from '../config-provider';
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import { cloneElement } from '../_util/reactNode';
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import type { TimelineItemProps } from './TimelineItem';
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import TimelineItem from './TimelineItem';
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// CSSINJS
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import useStyle from './style';
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export interface TimelineProps {
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prefixCls?: string;
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className?: string;
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/** 指定最后一个幽灵节点是否存在或内容 */
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pending?: React.ReactNode;
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pendingDot?: React.ReactNode;
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style?: React.CSSProperties;
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reverse?: boolean;
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mode?: 'left' | 'alternate' | 'right';
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children?: React.ReactNode;
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}
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interface TimelineType extends React.FC<TimelineProps> {
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Item: React.FC<TimelineItemProps>;
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}
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const Timeline: TimelineType = props => {
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const { getPrefixCls, direction } = React.useContext(ConfigContext);
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const {
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prefixCls: customizePrefixCls,
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pending = null,
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pendingDot,
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children,
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className,
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reverse = false,
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mode = '' as TimelineProps['mode'],
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...restProps
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} = props;
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const prefixCls = getPrefixCls('timeline', customizePrefixCls);
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const pendingNode = typeof pending === 'boolean' ? null : pending;
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// Style
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const [wrapSSR, hashId] = useStyle(prefixCls);
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const pendingItem = pending ? (
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<TimelineItem pending={!!pending} dot={pendingDot || <LoadingOutlined />}>
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{pendingNode}
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</TimelineItem>
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) : null;
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const timeLineItems = React.Children.toArray(children);
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timeLineItems.push(pendingItem as any);
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if (reverse) {
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timeLineItems.reverse();
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}
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const getPositionCls = (ele: React.ReactElement<any>, idx: number) => {
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if (mode === 'alternate') {
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if (ele.props.position === 'right') return `${prefixCls}-item-right`;
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if (ele.props.position === 'left') return `${prefixCls}-item-left`;
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return idx % 2 === 0 ? `${prefixCls}-item-left` : `${prefixCls}-item-right`;
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}
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if (mode === 'left') return `${prefixCls}-item-left`;
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if (mode === 'right') return `${prefixCls}-item-right`;
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if (ele.props.position === 'right') return `${prefixCls}-item-right`;
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return '';
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};
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// Remove falsy items
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const truthyItems = timeLineItems.filter(item => !!item);
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const itemsCount = React.Children.count(truthyItems);
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const lastCls = `${prefixCls}-item-last`;
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const items = React.Children.map(truthyItems, (ele: React.ReactElement<any>, idx) => {
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const pendingClass = idx === itemsCount - 2 ? lastCls : '';
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const readyClass = idx === itemsCount - 1 ? lastCls : '';
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return cloneElement(ele, {
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className: classNames([
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ele.props.className,
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!reverse && !!pending ? pendingClass : readyClass,
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getPositionCls(ele, idx),
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]),
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});
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});
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const hasLabelItem = timeLineItems.some((item: React.ReactElement<any>) => !!item?.props?.label);
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const classString = classNames(
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prefixCls,
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{
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[`${prefixCls}-pending`]: !!pending,
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[`${prefixCls}-reverse`]: !!reverse,
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[`${prefixCls}-${mode}`]: !!mode && !hasLabelItem,
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[`${prefixCls}-label`]: hasLabelItem,
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[`${prefixCls}-rtl`]: direction === 'rtl',
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},
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className,
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);
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return wrapSSR(
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<ul {...restProps} className={classNames(classString, hashId)}>
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{items}
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</ul>,
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);
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};
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Timeline.Item = TimelineItem;
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export default Timeline;
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