cool-admin-vue/cool/components/base/utils/index.js

export const revisePath = (path) => {
    if (!path) {
        return "";
    }

    if (path[0] == "/") {
        return path;
    } else {
        return `/${path}`;
    }
};

export function firstMenu(list) {
    let path = "";

    const fn = (arr) => {
        arr.forEach((e) => {
            if (e.type == 1) {
                if (!path) {
                    path = e.path;
                }
            } else {
                fn(e.children);
            }
        });
    };

    fn(list);

    return path || "/404";
}