WhatsApp Hide Chat List

Hide WhatsApp Web chat list
当前为 2024-04-07 提交的版本，查看最新版本。
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// ==UserScript==
// @name        WhatsApp Hide Chat List
// @namespace   Violentmonkey Scripts
// @version     0.2
// @grant       none
// @license     GNU GPLv3
// @author      imxitiz
// @match       https://web.whatsapp.com/
// @description Hide WhatsApp Web chat list
// ==/UserScript==

(function () {
  "use strict";

  let hasInitialized = false;
  const hideThreshold = 20;
  let eventParent;

  // Update chat list visibility
  function updateChatListVisibility() {
    const chatList = document.querySelector("div._aigv:nth-child(3)");
    const headerElement = document.querySelector(".x1pl83jw");

    if (chatList) {
      if (!hasInitialized) {
        chatList.style.display = "flex";
        chatList.style.flex = "0 0";
        chatList.style.maxWidth = "80%";
        chatList.style.width = "0%";
        chatList.style.transition = "width .5s ease-out 0s";

        headerElement.style.paddingLeft = "0px";
        headerElement.style.transition = "all .5s ease-out 0s";

        hasInitialized = true;
      }
      const isMouseOverElement = isMouseOver(chatList);

      if (isMouseOverElement || eventParent.clientX <= hideThreshold) {
        // Show
        chatList.style.width = "100%";
        headerElement.style.paddingLeft = "16px";
      } else {
        // Hide
        chatList.style.width = "0%";
        headerElement.style.paddingLeft = "0px";
      }
    }
  }

  // Check if mouse is over the element or its children
  function isMouseOver(element) {
    return element.contains(eventParent.target);
  }

  // Set up MutationObserver
  const observer = new MutationObserver(function (mutations) {
    mutations.forEach(function (mutation) {
      if (mutation.type === "childList") {
        // If there are added nodes, update the element visibility
        if (mutation.addedNodes.length > 0) {
          updateChatListVisibility();
        }
      }
    });
  });

  // Start observing the document for changes
  observer.observe(document.body, {
    childList: true,
    subtree: true,
  });

  // Initialize the script
  function init() {
    document.addEventListener("mousemove", function (event) {
      eventParent = event;
      updateChatListVisibility(event);
    });
    document.addEventListener("mouseleave", updateChatListVisibility);
  }

  init();
})();
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