移除常见网页的水印
// ==UserScript==
// @name 🔥🔥🔥移除页面水印🔥🔥🔥
// @name:en Remove Page Watermark
// @name:zh 🔥🔥🔥移除页面水印🔥🔥🔥
// @description 移除常见网页的水印
// @description:en Remove watermarks from common web pages
// @description:zh 移除常见网页的水印
// @namespace https://github.com/WindrunnerMax/TKScript
// @version 1.0.7
// @author Czy
// @match http://*/*
// @match https://*/*
// @supportURL https://github.com/WindrunnerMax/TKScript/issues
// @license GPL License
// @run-at document-start
// @grant GM_addStyle
// @grant unsafeWindow
// ==/UserScript==
(function () {
'use strict';
const FALLBACK_CLASS = "__WATERMARK__";
const OPACITY_PROPERTY = [
"opacity: 0 !important;",
"visibility: hidden !important;",
"transform: translate(-999999px, -999999px) !important;"
].join("");
const OPACITY_BACKGROUND_PROPERTY = [
"background: transparent !important;",
"background-color: transparent !important;",
"background-image: linear-gradient(to right, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0)) !important;"
].join("");
const inspectWaterMarkDOM = (node) => {
if (node instanceof HTMLElement === false) {
return false;
}
if (node.classList.contains(FALLBACK_CLASS)) {
return true;
}
if (!node.hasAttribute("style") || node.style.pointerEvents !== "none") {
return false;
}
if (node instanceof HTMLImageElement && node.src && node.src.startsWith("data:")) {
!node.classList.contains(FALLBACK_CLASS) && node.classList.add(FALLBACK_CLASS);
return true;
}
if (node.style.background.startsWith("url") || node.style.backgroundImage.startsWith("url")) {
!node.classList.contains(FALLBACK_CLASS) && node.classList.add(FALLBACK_CLASS);
return true;
}
return false;
};
const styles = {
insertCSS: (id, css) => {
const style = document.createElement("style");
style.id = id;
style.innerText = css;
const [body] = document.getElementsByTagName("body");
if (body) {
body.appendChild(style);
} else {
window.addEventListener("DOMContentLoaded", () => document.body.appendChild(style));
}
},
removeCSS: (id) => {
const style = document.getElementById(id);
style && style.remove();
}
};
const injectCSSEarly = (css) => {
if (typeof GM_addStyle === "function") {
GM_addStyle(css);
return void 0;
}
const style = document.createElement("style");
style.innerText = css;
const head = document.head;
if (head) {
head.appendChild(style);
return void 0;
}
const html = document.documentElement;
if (html) {
html.appendChild(style);
return void 0;
}
styles.insertCSS(String(Math.random()), css);
};
const basic = {
regexp: /.*/,
init: () => {
const observer = MutationObserver.prototype.observe;
MutationObserver.prototype.observe = function(target, options) {
inspectWaterMarkDOM(target);
target.childNodes.forEach(inspectWaterMarkDOM);
observer.call(this, target, options);
};
const _MutationObserver = MutationObserver;
const getMutationCallback = (callback) => {
return (records, observer2) => {
let isMatchedWaterMarkDOM = false;
for (const record of records) {
if (inspectWaterMarkDOM(record.target) && !isMatchedWaterMarkDOM) {
isMatchedWaterMarkDOM = true;
}
}
!isMatchedWaterMarkDOM && callback(records, observer2);
};
};
unsafeWindow.MutationObserver = class extends _MutationObserver {
constructor(callback) {
super(getMutationCallback(callback));
}
};
const PRESET_CLASSES = [`.${FALLBACK_CLASS}`].join(",");
injectCSSEarly(`${PRESET_CLASSES}{${OPACITY_PROPERTY}}`);
const PRESET_BACKGROUND = [
`div[id*="watermark"]`,
`div[id*="WaterMark"]`,
`div[id*="Watermark"]`,
`div[class*="watermark"]`,
`div[class*="WaterMark"]`,
`div[class*="Watermark"]`,
`div[style*="pointer-events"][style*="background: url"]`,
`div[style*="pointer-events"][style*="background-image: url"]`,
`div[style*="pointer-events"][style*="background:url"]`,
`div[style*="pointer-events"][style*="background-image:url"]`
].join(",");
injectCSSEarly(`${PRESET_BACKGROUND}{${OPACITY_BACKGROUND_PROPERTY}}`);
}
};
const websites = [basic];
const web = websites.find((item) => item.regexp.test(location.href));
web && web.init();
}());