ant-design/components/timeline/Timeline.tsx

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import * as React from 'react';
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import classNames from 'classnames';
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import TimelineItem, { TimeLineItemProps } from './TimelineItem';
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import Icon from '../icon';
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export interface TimelineProps {
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prefixCls?: string;
className?: string;
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/** 指定最后一个幽灵节点是否存在或内容 */
pending?: React.ReactNode;
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style?: React.CSSProperties;
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}
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export default class Timeline extends React.Component<TimelineProps, any> {
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static Item = TimelineItem as React.ClassicComponentClass<TimeLineItemProps>;
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static defaultProps = {
prefixCls: 'ant-timeline',
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};
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render() {
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const { prefixCls, children, pending, className, ...restProps } = this.props;
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const pendingNode = typeof pending === 'boolean' ? null : pending;
const classString = classNames(prefixCls, {
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[`${prefixCls}-pending`]: !!pending,
}, className);
// Remove falsy items
const falsylessItems = React.Children.toArray(children).filter(item => !!item);
const items = React.Children.map(falsylessItems, (ele: React.ReactElement<any>, idx) =>
React.cloneElement(ele, {
last: idx === (React.Children.count(falsylessItems) - 1),
}),
);
const pendingItem = (!!pending) ? (
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<TimelineItem
pending={!!pending}
dot={<Icon type="loading" />}
>
{pendingNode}
</TimelineItem>
) : null;
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return (
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<ul {...restProps} className={classString}>
{items}
{pendingItem}
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</ul>
);
}
}