ant-design-vue/components/breadcrumb/Breadcrumb.tsx

158 lines
4.7 KiB
Vue

import { cloneVNode, defineComponent, PropType, ExtractPropTypes } from 'vue';
import PropTypes from '../_util/vue-types';
import { flattenChildren, getPropsSlot } from '../_util/props-util';
import warning from '../_util/warning';
import BreadcrumbItem from './BreadcrumbItem';
import Menu from '../menu';
import { Omit, VueNode } from '../_util/type';
import useConfigInject from '../_util/hooks/useConfigInject';
export interface Route {
path: string;
breadcrumbName: string;
children?: Omit<Route, 'children'>[];
}
const breadcrumbProps = {
prefixCls: PropTypes.string,
routes: { type: Array as PropType<Route[]> },
params: PropTypes.any,
separator: PropTypes.any,
itemRender: {
type: Function as PropType<
(opt: { route: Route; params: unknown; routes: Route[]; paths: string[] }) => VueNode
>,
},
};
export type BreadcrumbProps = Partial<ExtractPropTypes<typeof breadcrumbProps>>;
function getBreadcrumbName(route: Route, params: unknown) {
if (!route.breadcrumbName) {
return null;
}
const paramsKeys = Object.keys(params).join('|');
const name = route.breadcrumbName.replace(
new RegExp(`:(${paramsKeys})`, 'g'),
(replacement, key) => params[key] || replacement,
);
return name;
}
function defaultItemRender(opt: {
route: Route;
params: unknown;
routes: Route[];
paths: string[];
}): VueNode {
const { route, params, routes, paths } = opt;
const isLastItem = routes.indexOf(route) === routes.length - 1;
const name = getBreadcrumbName(route, params);
return isLastItem ? <span>{name}</span> : <a href={`#/${paths.join('/')}`}>{name}</a>;
}
export default defineComponent({
name: 'ABreadcrumb',
props: breadcrumbProps,
slots: ['separator', 'itemRender'],
setup(props, { slots }) {
const { prefixCls, direction } = useConfigInject('breadcrumb', props);
const getPath = (path: string, params: unknown) => {
path = (path || '').replace(/^\//, '');
Object.keys(params).forEach(key => {
path = path.replace(`:${key}`, params[key]);
});
return path;
};
const addChildPath = (paths: string[], childPath = '', params: unknown) => {
const originalPaths = [...paths];
const path = getPath(childPath, params);
if (path) {
originalPaths.push(path);
}
return originalPaths;
};
const genForRoutes = ({
routes = [],
params = {},
separator,
itemRender = defaultItemRender,
}: any) => {
const paths = [];
return routes.map((route: Route) => {
const path = getPath(route.path, params);
if (path) {
paths.push(path);
}
const tempPaths = [...paths];
// generated overlay by route.children
let overlay = null;
if (route.children && route.children.length) {
overlay = (
<Menu>
{route.children.map(child => (
<Menu.Item key={child.path || child.breadcrumbName}>
{itemRender({
route: child,
params,
routes,
paths: addChildPath(tempPaths, child.path, params),
})}
</Menu.Item>
))}
</Menu>
);
}
return (
<BreadcrumbItem
overlay={overlay}
separator={separator}
key={path || route.breadcrumbName}
>
{itemRender({ route, params, routes, paths: tempPaths })}
</BreadcrumbItem>
);
});
};
return () => {
let crumbs: VueNode[];
const { routes, params = {} } = props;
const children = flattenChildren(getPropsSlot(slots, props));
const separator = getPropsSlot(slots, props, 'separator') ?? '/';
const itemRender = props.itemRender || slots.itemRender || defaultItemRender;
if (routes && routes.length > 0) {
// generated by route
crumbs = genForRoutes({
routes,
params,
separator,
itemRender,
});
} else if (children.length) {
crumbs = children.map((element, index) => {
warning(
typeof element.type === 'object' &&
(element.type.__ANT_BREADCRUMB_ITEM || element.type.__ANT_BREADCRUMB_SEPARATOR),
'Breadcrumb',
"Only accepts Breadcrumb.Item and Breadcrumb.Separator as it's children",
);
return cloneVNode(element, { separator, key: index });
});
}
const breadcrumbClassName = {
[prefixCls.value]: true,
[`${prefixCls.value}-rtl`]: direction.value === 'rtl',
};
return <div class={breadcrumbClassName}>{crumbs}</div>;
};
},
});