强制页面在新标签页打开

为了避免误触需要在油猴菜单里输入生效的dom元素的选择器，如果想要整个网页都生效，只需填入 body 即可
当前为 2024-12-25 提交的版本，查看最新版本。
换行
// ==UserScript==
// @name         强制页面在新标签页打开
// @namespace    http://tampermonkey.net/
// @version      0.7
// @description  为了避免误触需要在油猴菜单里输入生效的dom元素的选择器，如果想要整个网页都生效，只需填入 body 即可
// @author       meteora
// @match        http://*/*
// @license MIT
// @match        https://*/*
// @grant GM_registerMenuCommand
// @grant GM_unregisterMenuCommand
// @grant unsafeWindow
// ==/UserScript==

(function () {
  "use strict";
  //排除iframe
  if (unsafeWindow.self !== unsafeWindow.top) {
    return;
  }

  // 是否移除原本绑定在 a 标签上面的点击事件
  let removeClickEvent = false;

  let domListText = localStorage.getItem("domListText")
    ? localStorage.getItem("domListText")
    : "";
  let domList = [];

  function hookATag() {
    console.log("hookATag");
    // 获取页面上的所有链接元素
    for (let domListElement of domList) {
      let links = domListElement.getElementsByTagName("a");
      for (let i = 0; i < links.length; i++) {
        // 遍历每个链接元素并添加目标属性
        links[i].setAttribute("target", "_blank");
        // 移除原本的点击事件
        if (removeClickEvent) {
          links[i].removeAttribute("onclick");
        }
        //给标签添加点击事件，点击后标红
        links[i].addEventListener("click", function () {
          this.style.color = "darkred";
        });
      }
    }
  }

  function hookWindowOpen() {
    // 保存原始的 unsafeWindow.open 方法的引用
    let originalOpen = unsafeWindow.open;
    // 重写 unsafeWindow.open 方法
    unsafeWindow.open = function (url, target, features) {
      // 在新标签页中打开链接
      originalOpen.call(this, url, "_blank", features);
    };
  }

  //监听dom节点变化以应对异步刷新的场景，一旦dom节点发生变化则重新执行hookPage
  function hookPageWhenDomChange() {
    let MutationObserver =
      unsafeWindow.MutationObserver || unsafeWindow.WebKitMutationObserver;
    let observer = new MutationObserver(function (mutations) {
      mutations.forEach(function (mutation) {
        hookATag();
      });
    });
    observer.observe(document.body, {
      childList: true, // 观察目标子节点的变化，是否有添加或者删除
      subtree: true, // 观察后代节点，默认为 false
      attributes: false, // 观察属性变动
    });
  }

  //显示文本输入框浮窗，用于接收用户输入的需要生效的dom选择器
  function showInputTextarea() {
    const dom = `
<div style="position: fixed; left: 50%; top: 50%; transform: translate(-50%, -50%); z-index: 9999; background-color: white; padding: 20px; border: 1px solid #ccc; border-radius: 10px; box-shadow: 0 0 10px rgba(0, 0, 0, 0.1); " id="container-zuc08">
  <textarea id="inputTextarea-zuc08" style="width: 600px; height: 300px; border: 1px solid #ccc; border-radius: 5px; padding: 5px" placeholder="在此输入要生效的dom元素选择器，多个用空格间隔开"></textarea>
  
  <div style="display: flex; margin-top: 10px">
    <div style="padding: 5px 30px; width: max-content; background: #007bff; color: white; border-radius: 5px; cursor: pointer;" id="confirm-btn-zuc08">确定并刷新页面生效</div>
    <div style="margin-left: 10px; padding: 5px 30px; width: max-content; background: dimgray; color: white; border-radius: 5px; cursor: pointer" id="cancel-btn-zuc08">取消</div>
  </div>
</div>
`;
    document.body.insertAdjacentHTML("beforeend", dom);
    const inputTextarea = document.getElementById("inputTextarea-zuc08");
    inputTextarea.value = domListText; //回显文本内容
    inputTextarea.focus(); //自动聚焦
    //绑定事件
    function close() {
      document.body.removeChild(document.getElementById("container-zuc08"));
    }

    //确定按钮
    const confirmBtnDom = document.getElementById("confirm-btn-zuc08");
    confirmBtnDom.addEventListener("click", function () {
      domListText = inputTextarea.value;
      localStorage.setItem("domListText", domListText);
      close();
      //刷新页面
      location.reload();
    });
    //取消按钮
    const cancelBtnDom = document.getElementById("cancel-btn-zuc08");
    cancelBtnDom.addEventListener("click", function () {
      close();
    });
  }

  //注册(不可用)油猴菜单，呼出文本输入框
  GM_registerMenuCommand("设置新标签页打开链接的dom选择器", showInputTextarea);

  function hookPage(domStringList) {
    //通过换行符切割 domListText 里的内容
    for (let string of domStringList) {
      const innerDomList = document.querySelectorAll(string);
      for (let innerDomListElement of innerDomList) {
        domList.push(innerDomListElement);
      }
    }
    hookATag();
  }

  let timer = null;
  let loop = 2;

  let isHooking = false;
  function intervalHookPage() {
    return new Promise((resolve) => {
      if (domListText) {
        //防止多次触发
        if (isHooking) {
          resolve();
          return;
        }
        isHooking = true;
        const temp = domListText.split("\n");
        //每隔一秒执行一次
        // if (timer) {
        //   clearInterval(timer);
        //   loop = 2;
        // }
        // timer = setInterval(() => {
        //   if (loop <= 0) {
        //     clearInterval(timer);
        //     loop = 2;
        //     isHooking = false;
        //     resolve();
        //     return;
        //   }
        //   hookPage(temp);
        //   loop--;
        // }, 1500);
        // hookPage(temp);
        setTimeout(() => {
          hookPage(temp);
          isHooking = false;
        }, 500);
      } else {
        isHooking = false;
        resolve();
      }
    });
  }

  const oldOnloadFun = unsafeWindow.onload;
  unsafeWindow.onload = function () {
    oldOnloadFun && oldOnloadFun()
    if (
      unsafeWindow.localStorage.getItem("aSpuT_removeClickEvent") === "true"
    ) {
      removeClickEvent = true;
    }
    // 注册(不可用)油猴菜单，供用户配置是否开启移除点击事件
    if (removeClickEvent) {
      GM_registerMenuCommand("启用点击事件", function () {
        unsafeWindow.localStorage.setItem("aSpuT_removeClickEvent", "false");
        location.reload();
      });
    } else {
      GM_registerMenuCommand("禁用移除点击事件", function () {
        unsafeWindow.localStorage.setItem("aSpuT_removeClickEvent", "true");
        location.reload();
      });
    }
    if (!domListText) return;
    intervalHookPage();
    //监听页面地址变化
    unsafeWindow.addEventListener("popstate", function () {
      intervalHookPage();
    });
    unsafeWindow.addEventListener("hashchange", function () {
      intervalHookPage();
    });
    //覆写 window.top.history.pushState 方法
    let originalPushState = unsafeWindow.top.history.pushState;
    unsafeWindow.top.history.pushState = function () {
      originalPushState.apply(this, arguments);
      intervalHookPage();
    };
  };
})();
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