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ant-design-vue/components/timeline/Timeline.tsx

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3.8 KiB

import type { ExtractPropTypes } from 'vue';
import { cloneVNode, defineComponent } from 'vue';
import classNames from '../_util/classNames';
import PropTypes from '../_util/vue-types';
import { filterEmpty } from '../_util/props-util';
import initDefaultProps from '../_util/props-util/initDefaultProps';
import TimelineItem from './TimelineItem';
import LoadingOutlined from '@ant-design/icons-vue/LoadingOutlined';
import { tuple, booleanType } from '../_util/type';
import useConfigInject from '../config-provider/hooks/useConfigInject';
// CSSINJS
import useStyle from './style';
import type { CustomSlotsType } from '../_util/type';
export const timelineProps = () => ({
prefixCls: String,
/** 指定最后一个幽灵节点是否存在或内容 */
pending: PropTypes.any,
pendingDot: PropTypes.any,
reverse: booleanType(),
mode: PropTypes.oneOf(tuple('left', 'alternate', 'right', '')),
});
export type TimelineProps = Partial<ExtractPropTypes<ReturnType<typeof timelineProps>>>;
export default defineComponent({
compatConfig: { MODE: 3 },
name: 'ATimeline',
inheritAttrs: false,
props: initDefaultProps(timelineProps(), {
reverse: false,
mode: '',
}),
slots: Object as CustomSlotsType<{
pending?: any;
pendingDot?: any;
default?: any;
}>,
setup(props, { slots, attrs }) {
const { prefixCls, direction } = useConfigInject('timeline', props);
// style
const [wrapSSR, hashId] = useStyle(prefixCls);
const getPositionCls = (ele, idx: number) => {
const eleProps = ele.props || {};
if (props.mode === 'alternate') {
if (eleProps.position === 'right') return `${prefixCls.value}-item-right`;
if (eleProps.position === 'left') return `${prefixCls.value}-item-left`;
return idx % 2 === 0 ? `${prefixCls.value}-item-left` : `${prefixCls.value}-item-right`;
}
if (props.mode === 'left') return `${prefixCls.value}-item-left`;
if (props.mode === 'right') return `${prefixCls.value}-item-right`;
if (eleProps.position === 'right') return `${prefixCls.value}-item-right`;
return '';
};
return () => {
const {
pending = slots.pending?.(),
pendingDot = slots.pendingDot?.(),
reverse,
mode,
} = props;
const pendingNode = typeof pending === 'boolean' ? null : pending;
const children = filterEmpty(slots.default?.());
const pendingItem = pending ? (
<TimelineItem pending={!!pending} dot={pendingDot || <LoadingOutlined />}>
{pendingNode}
</TimelineItem>
) : null;
if (pendingItem) {
children.push(pendingItem);
}
const timeLineItems = reverse ? children.reverse() : children;
const itemsCount = timeLineItems.length;
const lastCls = `${prefixCls.value}-item-last`;
const items = timeLineItems.map((ele, idx) => {
const pendingClass = idx === itemsCount - 2 ? lastCls : '';
const readyClass = idx === itemsCount - 1 ? lastCls : '';
return cloneVNode(ele, {
class: classNames([
!reverse && !!pending ? pendingClass : readyClass,
getPositionCls(ele, idx),
]),
});
});
const hasLabelItem = timeLineItems.some(
item => !!(item.props?.label || item.children?.label),
);
const classString = classNames(
prefixCls.value,
{
[`${prefixCls.value}-pending`]: !!pending,
[`${prefixCls.value}-reverse`]: !!reverse,
[`${prefixCls.value}-${mode}`]: !!mode && !hasLabelItem,
[`${prefixCls.value}-label`]: hasLabelItem,
[`${prefixCls.value}-rtl`]: direction.value === 'rtl',
},
attrs.class,
hashId.value,
);
return wrapSSR(
<ul {...attrs} class={classString}>
{items}
</ul>,
);
};
},
});