mirror of
https://github.com/ant-design/ant-design.git
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267e7e159b
This reverts commit 53825391e8
.
172 lines
4.7 KiB
TypeScript
Executable File
172 lines
4.7 KiB
TypeScript
Executable File
import * as React from 'react';
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import classNames from 'classnames';
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import toArray from 'rc-util/lib/Children/toArray';
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import omit from 'omit.js';
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import BreadcrumbItem from './BreadcrumbItem';
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import BreadcrumbSeparator from './BreadcrumbSeparator';
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import Menu from '../menu';
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import { ConfigConsumer, ConfigConsumerProps } from '../config-provider';
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import warning from '../_util/warning';
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import { Omit } from '../_util/type';
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export interface Route {
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path: string;
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breadcrumbName: string;
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children?: Omit<Route, 'children'>[];
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}
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export interface BreadcrumbProps {
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prefixCls?: string;
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routes?: Route[];
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params?: any;
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separator?: React.ReactNode;
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itemRender?: (
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route: Route,
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params: any,
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routes: Array<Route>,
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paths: Array<string>,
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) => React.ReactNode;
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style?: React.CSSProperties;
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className?: string;
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}
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function getBreadcrumbName(route: Route, params: any) {
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if (!route.breadcrumbName) {
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return null;
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}
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const paramsKeys = Object.keys(params).join('|');
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const name = route.breadcrumbName.replace(
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new RegExp(`:(${paramsKeys})`, 'g'),
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(replacement, key) => params[key] || replacement,
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);
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return name;
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}
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function defaultItemRender(route: Route, params: any, routes: Route[], paths: string[]) {
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const isLastItem = routes.indexOf(route) === routes.length - 1;
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const name = getBreadcrumbName(route, params);
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return isLastItem ? <span>{name}</span> : <a href={`#/${paths.join('/')}`}>{name}</a>;
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}
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function filterFragment(children: any) {
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return toArray(children).map((element: any) => {
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if (React.isValidElement(element) && element.type === React.Fragment) {
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const props: any = element.props;
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return props.children;
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}
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return element;
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});
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}
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export default class Breadcrumb extends React.Component<BreadcrumbProps, any> {
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static Item: typeof BreadcrumbItem;
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static Separator: typeof BreadcrumbSeparator;
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static defaultProps = {
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separator: '/',
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};
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getPath = (path: string, params: any) => {
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path = (path || '').replace(/^\//, '');
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Object.keys(params).forEach(key => {
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path = path.replace(`:${key}`, params[key]);
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});
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return path;
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};
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addChildPath = (paths: string[], childPath: string = '', params: any) => {
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const originalPaths = [...paths];
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const path = this.getPath(childPath, params);
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if (path) {
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originalPaths.push(path);
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}
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return originalPaths;
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};
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genForRoutes = ({
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routes = [],
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params = {},
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separator,
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itemRender = defaultItemRender,
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}: BreadcrumbProps) => {
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const paths: string[] = [];
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return routes.map(route => {
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const path = this.getPath(route.path, params);
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if (path) {
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paths.push(path);
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}
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// generated overlay by route.children
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let overlay;
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if (route.children && route.children.length) {
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overlay = (
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<Menu>
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{route.children.map(child => (
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<Menu.Item key={child.breadcrumbName || child.path}>
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{itemRender(child, params, routes, this.addChildPath(paths, child.path, params))}
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</Menu.Item>
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))}
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</Menu>
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);
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}
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return (
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<BreadcrumbItem overlay={overlay} separator={separator} key={route.breadcrumbName || path}>
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{itemRender(route, params, routes, paths)}
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</BreadcrumbItem>
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);
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});
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};
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renderBreadcrumb = ({ getPrefixCls }: ConfigConsumerProps) => {
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let crumbs;
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const {
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prefixCls: customizePrefixCls,
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separator,
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style,
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className,
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routes,
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children,
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...restProps
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} = this.props;
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const prefixCls = getPrefixCls('breadcrumb', customizePrefixCls);
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if (routes && routes.length > 0) {
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// generated by route
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crumbs = this.genForRoutes(this.props);
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} else if (children) {
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crumbs = React.Children.map(filterFragment(children), (element: any, index) => {
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if (!element) {
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return element;
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}
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warning(
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element.type &&
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(element.type.__ANT_BREADCRUMB_ITEM === true ||
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element.type.__ANT_BREADCRUMB_SEPARATOR === true),
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'Breadcrumb',
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"Only accepts Breadcrumb.Item and Breadcrumb.Separator as it's children",
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);
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return React.cloneElement(element, {
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separator,
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key: index, // eslint-disable-line react/no-array-index-key
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});
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});
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}
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return (
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<div
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className={classNames(className, prefixCls)}
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style={style}
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{...omit(restProps, ['itemRender', 'linkRender', 'nameRender', 'params'])}
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>
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{crumbs}
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</div>
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);
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};
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render() {
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return <ConfigConsumer>{this.renderBreadcrumb}</ConfigConsumer>;
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}
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}
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