警报
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75
src/utils/route.js
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75
src/utils/route.js
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import path from "path";
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/*
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*获取所有的子集路由
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*/
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const getChildrenRoutes = (routes) => {
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const result = [];
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routes.forEach((route) => {
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if (route.children && route.children.length > 0) {
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result.push(...route.children);
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}
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});
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return result;
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};
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/*
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*处理脱离层级的路由
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*/
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export const filterRoutes = (routes) => {
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//获取到所有的子集路由
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const childrenRoutes = getChildrenRoutes(routes);
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//根据子集路由进行查重操作
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return routes.filter((route) => {
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//根据route在childrenRoutes中进行查重,把所有重复路由表 剔除
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return !childrenRoutes.find((childrenRoute) => {
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return childrenRoute.path === route.path;
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});
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});
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};
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function isNull(data) {
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if (!data) return true;
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if (JSON.stringify(data) === "{}") return true;
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if (JSON.stringify(data) === "[]") return true;
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return false;
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}
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/*
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*根据routes(filterRoutes) 数据, 返回对应的menu规则数据
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*/
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export function generateMenus(routes, basePath = "") {
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const result = [];
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// 遍历路由表
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routes.forEach((item) => {
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// 不存在 children && 不存在 meta 直接 return
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if (isNull(item.meta) && isNull(item.children)) return;
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// 存在 children 不存在 meta,进入迭代
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if (isNull(item.meta) && !isNull(item.children)) {
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result.push(...generateMenus(item.children));
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return;
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}
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// 合并 path 作为跳转路径
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const routePath = path.resolve(basePath, item.path);
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// 路由分离之后,存在同名父路由的情况,需要单独处理
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let route = result.find((item) => item.path === routePath);
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if (!route) {
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route = {
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...item,
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path: routePath,
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children: []
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};
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// icon 与 title 必须全部存在
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if (route.meta.icon && route.meta.title) {
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// meta 存在生成 route 对象,放入 arr
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result.push(route);
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}
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}
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// 存在 children 进入迭代到children
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if (!isNull(item.children)) {
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route.children.push(...generateMenus(item.children, route.path));
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}
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});
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return result;
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}
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