97 lines
3.5 KiB
TypeScript
97 lines
3.5 KiB
TypeScript
import { inject, cloneVNode, defineComponent, ExtractPropTypes } from 'vue';
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import classNames from '../_util/classNames';
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import PropTypes from '../_util/vue-types';
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import { getOptionProps, getPropsData, filterEmpty, getComponent } from '../_util/props-util';
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import initDefaultProps from '../_util/props-util/initDefaultProps';
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import TimelineItem, { TimeLineItemProps } from './TimelineItem';
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import LoadingOutlined from '@ant-design/icons-vue/LoadingOutlined';
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import { defaultConfigProvider } from '../config-provider';
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import { tuple } from '../_util/type';
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export const timelineProps = {
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prefixCls: PropTypes.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: PropTypes.any,
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pendingDot: PropTypes.string,
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reverse: PropTypes.looseBool,
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mode: PropTypes.oneOf(tuple('left', 'alternate', 'right', '')),
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};
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export type TimelineProps = Partial<ExtractPropTypes<typeof timelineProps>>;
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export default defineComponent({
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name: 'ATimeline',
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props: initDefaultProps(timelineProps, {
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reverse: false,
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mode: '',
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}),
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setup() {
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return {
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configProvider: inject('configProvider', defaultConfigProvider),
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};
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},
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render() {
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const { prefixCls: customizePrefixCls, reverse, mode } = getOptionProps(this);
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const { getPrefixCls } = this.configProvider;
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const prefixCls = getPrefixCls('timeline', customizePrefixCls);
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const pendingDot = getComponent(this, 'pendingDot');
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const pending = getComponent(this, 'pending');
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const pendingNode = typeof pending === 'boolean' ? null : pending;
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const classString = classNames(prefixCls, {
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[`${prefixCls}-pending`]: !!pending,
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[`${prefixCls}-reverse`]: !!reverse,
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[`${prefixCls}-${mode}`]: !!mode,
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});
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const children = filterEmpty(this.$slots.default && this.$slots.default());
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// // Remove falsy items
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// const falsylessItems = filterEmpty(this.$slots.default)
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// const items = falsylessItems.map((item, idx) => {
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// return cloneElement(item, {
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// props: {
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// last: falsylessItems.length - 1 === idx,
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// },
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// })
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// })
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const pendingItem = pending ? (
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<TimelineItem pending={!!pending} dot={pendingDot || <LoadingOutlined />}>
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{pendingNode}
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</TimelineItem>
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) : null;
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const timeLineItems = reverse
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? [pendingItem, ...children.reverse()]
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: [...children, pendingItem];
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const getPositionCls = (ele, idx: number) => {
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const eleProps = getPropsData(ele) as TimeLineItemProps;
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if (mode === 'alternate') {
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if (eleProps.position === 'right') return `${prefixCls}-item-right`;
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if (eleProps.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 `${prefixCls}-item-right`;
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if (eleProps.position === 'right') return `${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 = truthyItems.length;
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const lastCls = `${prefixCls}-item-last`;
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const items = truthyItems.map((ele, 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 cloneVNode(ele, {
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class: classNames([
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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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return <ul class={classString}>{items}</ul>;
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},
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});
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