谷歌搜索 - 优化

1.屏蔽推广 2.普通样式 3.单列居中 4双列居中

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         谷歌搜索 - 优化
// @namespace    http://tampermonkey.net/
// @version      0.1.8
// @description  1.屏蔽推广 2.普通样式 3.单列居中 4双列居中
// @author       浮生未歇
// @run-at       document-start
// @include      https://www.google.com*/search*
// @exclude      https://www.google.com*/search*&source=lnms*
// @resource     googleCommon https://cdn.jsdelivr.net/gh/sinlin/[email protected]/2019-03-16/google-common.css
// @resource     googleOne https://cdn.jsdelivr.net/gh/sinlin/[email protected]/2019-03-16/google-one.css
// @resource     googleTwo https://cdn.jsdelivr.net/gh/sinlin/[email protected]/2019-03-16/google-two.css
// @grant        GM_addStyle
// @grant        GM_getResourceText
// @grant        GM_getResourceURL
// @grant        GM_setValue
// @grant        GM_getValue
// @grant        GM_deleteValue
// @grant        GM_xmlhttpRequest
// ==/UserScript==
(() => {
    //初始化配置
    let Configs = {
        //是否调试
        IS_DEBUG: false,
        //功能配置
        OPTIONS: [
            //页面布局:1:普通页面,2:单列居中,3:双列居中,
            { name: "SELECT_PAGE", value: 1 }
        ],
        //谷歌样式
        GOOGLE_STYLES: {
            COMMON: GM_getResourceText("googleCommon"),
            ONE: GM_getResourceText("googleOne"),
            TWO: GM_getResourceText("googleTwo"),
        }
    };

    //Google对象参数配置
    let googleParamConfig = { Configs, window, document, location };

    //Google对象
    let Google = (({ Config, window, document, location }, undefined) => {
        //创建空对象
        let Google = Object.create(null);

        //绑定 Google.ready = functon(){} 功能
        Reflect.defineProperty(Google, "ready", {
            set: fn => {
                if (document.readyState === "complete") {
                    fn();
                } else if (!!document.addEventListener) {
                    document.addEventListener(
                        "DOMContentLoaded",
                        () => {
                            fn();
                        },
                        true
                    );
                } else {
                    throw new Error("Google.ready can't use");
                }
            }
        });

        /**
         * 函数执行器 - 组合执行
         */
        class Command {
            constructor() {
                this.commondList = [];
            }
            /**
             * 添加数组缓存中
             * @param {object} command 对象实例
             */
            add(command) {
                this.commondList.push(command);
            }

            /**
             * 执行数值缓存中的实例
             */
            execute() {
                for (let i = 0, command; (command = this.commondList[i++]); ) {
                    command.execute();
                }
            }
        }

        /**
         * GM
         * 用于调用 TamperMonkey 内置API
         */
        class GM {
            /**
             * 获取数据储存
             */
            getGmValue(selection) {
                return GM_getValue(selection.name, selection.value);
            }

            /**
             * 设置数据储存
             */
            SetGmValue(name, value) {
                GM_setValue(name, value);
            }

            /**
             * 使用GM导入样式
             * @param {string} styles 样式
             */
            importGmStyle(styles) {
                if (typeof styles === "string") {
                    GM_addStyle(styles);
                }
            }
        }



        /**
         * 数据类
         * 用于获取跟初始化配置相关的信息
         */
        class Data extends GM {
            constructor() {
                super();
                this.DEFAULT_PAGE_LAYOUT_TYPE = Configs.OPTIONS[0];
                this.STYLE_CONTENT_COMMON = Configs.GOOGLE_STYLES.COMMON;
                this.STYLE_CONTENT_ONE_CENTER = Configs.GOOGLE_STYLES.ONE;
                this.STYLE_CONTENT_TWO_CENTER = Configs.GOOGLE_STYLES.TWO;
            }

            getPageLayoutName () {
                return this.DEFAULT_PAGE_LAYOUT_TYPE["name"];
            }

            getCurrentPageLayoutType() {
                return Number(this.getGmValue(this.DEFAULT_PAGE_LAYOUT_TYPE)) || 1;
            }

            getCommonPageStyleContent() {
                return this.STYLE_CONTENT_COMMON || "";
            }

            getOneCenterStyleContent() {
                return this.STYLE_CONTENT_ONE_CENTER || "";
            }

            getTwoCenterStyleContent() {
                return this.STYLE_CONTENT_TWO_CENTER || "";
            }
        }

        /**
         * 基础类
         */
        class Base extends Data{
            isHideElement(element) {
                return element.style.display === "none";
            }

            hideElement(element) {
                element.style.display = "none";
            }

            showElement(element) {
                element.style.display = "block";
            }
        }



        /**
         * 样式类
         * @class Style
         */
        class Style extends Base {
            constructor() {
                super();
                this.cache = "";
            }
            /**
             * 清除缓存
             */
            clearCache() {
                this.cache = "";
            }

            /**
             * 导入样式
             */
            importStyle() {
                super.importGmStyle(this.cache);
            }

            /**
             * 将样式内容添加到缓存
             * @param {string} styleContent
             */
            add(styleContent) {
                if (typeof styleContent === "string") {
                    this.cache += styleContent;
                } else {
                    this.cache += "";
                }
                return this;
            }

            /**
             * 结束标识符
             * 开始调用导入功能
             * 清空缓存
             */
            end() {

                this.importStyle();
                this.clearCache();
            }
        }

        /**
         * 样式-普通页
         */
        class StyleByCommon extends Style {
            constructor() {
                super();
            }
            /**
             * 获取普通样式
             */
            getCommonPageStyleContent() {
                return super.getCommonPageStyleContent();
            }

            getMulPageStyleContent(){
                let currentLayoutType = this.getCurrentPageLayoutType();
                let style = "";
                switch (currentLayoutType) {
                    //普通样式
                    case 1: style = ""; break;
                    //单页居中
                    case 2: style = this.getOneCenterStyleContent(); break;
                    //双页居中
                    case 3: style = this.getTwoCenterStyleContent(); break;
                }
                return style;
            }

            init () {
                super.add(this.getCommonPageStyleContent())
                     .add(this.getMulPageStyleContent())
                     .end();
            }

            execute () {
                this.init();
            }
        }

        /**
         * 菜单
         */

        class MenuNode extends Base {
            constructor() {
                super();

                this.MENU_BTN_ID = "myGoogleMenuButton";
                this.MENU_LISTS_ID = "myGoogleLists";
                this.MENU_SAVE_NAME="myGooglesave";
            }

            /**
             * 获取父节点
             */
            getContainerNode() {
                // return document
                //     .getElementById("gb")
                //     .querySelector(".gb_Jf");
                //return document.getElementById("ab_options");
                 return document.getElementById("abar_button_opt");
            }

            getMenuSaveIdName () {
                return this.MENU_SAVE_NAME;
            }

            getPageLayoutName () {
                return super.getPageLayoutName();
            }

            /**
             * 获得 HTML - 页面布局选项
             * @param content 显示的内容
             * @param layoutType 页面布局类型
             */
             getContentPageSelect(content, layoutType) {
                let checked = super.getCurrentPageLayoutType() === layoutType ? "checked" : "";
                return `<li><input type="radio" name="${ this.getPageLayoutName()
                }" value="${ layoutType }" ${ checked }>${ content }</li>`;
            }

              /**
             * 获得 HTML - 保存
             * @param content 显示的内容
             */
             getContentSava(content) {
                let menuSaveIdName = this.getMenuSaveIdName();
                return `<input id='${menuSaveIdName}' type='button' style='margin-top:3px;display:block;width:100%' value='${content}'>`;
            }

            //获取整体 HTML
             getContent() {
                let content = "";
                content += "<ol>页面选择";
                content += this.getContentPageSelect("普通页面", 1);
                content += this.getContentPageSelect("单页居中", 2);
                content += this.getContentPageSelect("双页居中", 3);
                content += "</ol>";
                content += this.getContentSava("保存");
                return content;
            }

            /**
             * 插入按钮
             */
            insertMenuBtnNode() {
                let container = this.getContainerNode();
                let div = document.createElement("div");
                div.innerHTML = "自定义";
                div.id = this.MENU_BTN_ID;
                // container.insertBefore(div, container.parentNode.firstChild);
                // container.appendChild(div);
                container.before(div);

            }

            /**
             * 插入功能列表
             */
            insertMenuItemsNode() {
                let container = this.getContainerNode();
                let div = document.createElement("div");
                div.innerHTML = this.getContent();
                div.id = this.MENU_LISTS_ID;
                div.style.display = "none";
                // container.insertBefore(div, container.firstChild);
                container.before(div);
            }

            bindMenuBtnEvent () {
                let btn = document.getElementById(this.MENU_BTN_ID);
                let lists = document.getElementById(this.MENU_LISTS_ID);
                btn.onclick = () => {
                    if(this.isHideElement(lists)){
                        this.showElement(lists);
                    }else{
                        this.hideElement(lists);
                    }
                }
            }

            bindMenuSaveEvent () {
               let save = document.getElementById(this.MENU_SAVE_NAME);
               save.onclick = (event) => {
                   let e = event || window.event;
                   let radios = document.getElementsByName(this.getPageLayoutName());

                   for(let i = 0, raido; (raido = radios[i++]);){
                       if (!!raido.checked){
                           super.SetGmValue(this.getPageLayoutName(), raido.value);
                           break;
                       }
                   }
                  e.stopPropagation();
                  location.href = location.href;
               }
            }

            init() {
                this.insertMenuBtnNode();
                this.insertMenuItemsNode();

                Promise.resolve().then(() => {
                    this.bindMenuBtnEvent();
                    this.bindMenuSaveEvent();
                });

            }



            execute() {
                Google.ready = () => {
                    this.init();
                };
            }
        }
        /**
         * 多页布局
         * @class MulPageLayout
         */
        class MulPageLayout extends Base {
            constructor () {
                super();
                this.PageLayouts = [3];
                this.LISTS_CLASS_NAME = "googlelists";
            }


            isMulPageLayout () {
                let currentLayoutType = super.getCurrentPageLayoutType();
                return this.PageLayouts.includes(currentLayoutType);

            }

            getContainer  () {
                return document.getElementById("rso");
            }

            getLists () {
                return document.getElementsByClassName(this.LISTS_CLASS_NAME);
            }

            getSearchResults () {
               // return document.getElementById("rso").querySelectorAll(".bkWMgd>.g, .srg>.g #rso>.g");
                return document.querySelectorAll("#rso>.g");
            }

            getListsHeight(){
                let heights = [];
                let lists = this.getLists();
                for(let i = 0, list; (list = lists[i++]);){
                    heights.push(list.clientHeight || 0);
                }
                return heights;
            }

            isExistListsElement () {
                return document.getElementsByName(this.LISTS_CLASS_NAME).length > 0;
            }

            insertListsElement () {
                if(this.isExistListsElement()){
                    return;
                }
                let className = this.LISTS_CLASS_NAME;
                let container = this.getContainer();
                let frame = document.createDocumentFragment();
                for(let i = 1; i <= 2; i++){
                    let div = document.createElement("div");
                    div.className = `${className} ${className}${i}`;
                    frame.appendChild(div);
                }
               container.insertBefore(frame, container.firstChild);
            }

            moveSearchResultElement () {
                let lists = this.getLists();
                let items = this.getSearchResults()
                let heights = this.getListsHeight();

                let frames = [];
                //初始化
                for (let i = 0, length = lists.length; i < length; i++) {
                    //缓存
                    frames.push(document.createDocumentFragment());
                }

                //将 item 添加到虚拟DOM中
                for (let i = 0, item; (item = items[i++]); ) {
                    //获取最小的高度值
                    let minHeight = Reflect.apply(Math.min, null, heights);
                    //获取最小的高度的索引值
                    let index = heights.indexOf(minHeight);
                    //添加到高度
                    heights[index] += item.clientHeight;
                    //缓存
                    frames[index].appendChild(item);
                }

                //添加到真实DOM
                for (let i = 0, length = lists.length; i < length; i++) {
                    lists[i].appendChild(frames[i]);
                }

            }

            init () {
                 this.insertListsElement();
                 this.moveSearchResultElement();

            }

            execute () {
                if(this.isMulPageLayout()){
                    Google.ready = () => {
                        this.init();
                    }
                }
            }
        }

        /**
         * 普通页控制
         */
        class CommonPageControl {
            run() {
                let command = new Command();
                command.add(new StyleByCommon());
                command.add(new MulPageLayout());
                command.add(new MenuNode());
                command.execute();



            }
        }

        /**
         * 简单工厂模式
         */
        class Factory {
            static getConfig() {
                return [{ reg: /https/, useObject: CommonPageControl }];
            }

            static create(URL) {
                let configs = this.getConfig();
                for (let { reg, useObject } of configs) {
                    if (reg.test(URL)) {
                        return new useObject();
                    }
                }
            }
        }

        /**
         * 启动函数
         */
        Google.start = () => {
            Factory.create(location.href).run();
        };

        return Google;
    })(googleParamConfig);

    Google.start();
})();