@vuepress-reco/style-default/lib/client/clientAppEnhance.js

It is default type of vuepress-theme-reco.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const vue_1 = require("vue");
const client_1 = require("@vuepress/client");
require("./styles/index.scss");
const Icon_vue_1 = require("../client/components/Icon.vue");
exports.default = client_1.defineClientAppEnhance(({ app, router }) => {
    app.component('NavbarSearch', () => {
        const SearchComponent = app.component('Docsearch') || app.component('SearchBox');
        if (SearchComponent) {
            return vue_1.h(SearchComponent);
        }
        return null;
    });
    app.component('Icon', () => Icon_vue_1.default);
});