您需要先安装一个扩展,例如 篡改猴、Greasemonkey 或 暴力猴,之后才能安装此脚本。
您需要先安装一个扩展,例如 篡改猴 或 暴力猴,之后才能安装此脚本。
您需要先安装一个扩展,例如 篡改猴 或 暴力猴,之后才能安装此脚本。
您需要先安装一个扩展,例如 篡改猴 或 Userscripts ,之后才能安装此脚本。
您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey,才能安装此脚本。
您需要先安装用户脚本管理器扩展后才能安装此脚本。
Replaces the background white color with a darker one in order to decrease eye strain
当前为
'use strict'; // ==UserScript== // @name White background replacer // @namespace http://siavoshkc.com/ // @version 2.19 // @description Replaces the background white color with a darker one in order to decrease eye strain // @author siavoshkc // @match *://*/* // @grant none // @license MIT // @run-at document-idle // ==/UserScript== const INTERVAL = 120000 const goodBgColors = ["#b0edc4", "#79d2a6", "#8EC4C6", "#79C664", "#79AC78","#74B6C0","#A19C6D", "#61B6A1", "#66C0A9", "#7BA699", "#5E8784", "#71979E", "#4E8B57", "#7D8E92","#AF9D9D", "#95BBBB", "#7FB397", "#87B8A8", "#D9BD7F", "#BDA279", "#A3AA70", "#9095A1", "#7CA870", "#8EB157,", "#7B765A", "#809582", "#7DA16F"] const knownVarNames = ['--bg', '--bg-color', '--background-color', '--background', '--theme-content-background-color', '--lighting-color' , '--theme-background-color', '--theme-content-background-color', '--background-color-base', '--color-neutral-000' , '--custom-select-bg-color'] var currentGoodBgColor = 0 function isWhite(bg, checkTransparent=true) { if(!bg) return const [rgba] = Array.from(bg.matchAll(/\(([0-9]+), ?([0-9]+), ?([0-9]+)(, ?([0-9]+))?.*\)/g)) const hsl = bg.match(/hsl\(\s*(\d+)\s*,\s*(\d+(?:\.\d+)?%)\s*,\s*(\d+(?:\.\d+)?%)\)/) const hsla = bg.match(/hsla\(\s*(\d+)\s*,\s*(\d+(?:\.\d+)?%)\s*,\s*(\d+(?:\.\d+)?%)\s*,\s*((\.\d+)|1)\)/) bg = bg.toLowerCase() return ( bg == "white"|| bg == "#ffffff"|| bg == "#fff"|| bg == "#fdfdfd" || (hsl && Number(hsl[2].replace('%','')) > 89) || (hsla && (Number(hsl[2].replace('%','')) > 89) && Number(hsl[3] > .9)) || (rgba && ((+rgba[1] > 230 && +rgba[2] > 230 && +rgba[3] >230) || (checkTransparent && +rgba[5] === 0))) ) } function changeColor(style) { style.backgroundColor = goodBgColors[currentGoodBgColor % goodBgColors.length] + 'AF' if(style.color == style.backgroundColor) style.color = "black" if(currentGoodBgColor === Number.MAX_SAFE_INTEGER) currentGoodBgColor = 0 else currentGoodBgColor++ setTimeout(changeColor, INTERVAL, style) } function iterateRules(cssRules) { if(!cssRules) return for (let rule of cssRules) { try { checkStyle(rule?.style) && changeColor(rule?.style) iterateRules(rule.cssRules) } catch(e) { console.warn("WBR: Caught exception: ", e) } } } function checkStyle(style, checkTransparent) { if(!style) return return isWhite(style.background, checkTransparent) || isWhite(style.backgroundColor, checkTransparent) || knownVarNames.filter(v => isWhite(style.getPropertyValue(v), checkTransparent)).length } function checkPage() { //var elems = document.body.getElementsByTagName("*"); //for (const el of elems) el.removeAttribute("style") //console.debug("White background replacer: Running...", window.getComputedStyle(document.documentElement)); if(checkStyle(window.getComputedStyle(document.documentElement), false)){ let gst = window.getComputedStyle(document.documentElement) const filteredObject = Object.keys(gst).reduce(function(r, e) { if (e.match(/.*back.*/)) r[e] = gst[e] return r; }, {}) //console.debug("Global background detected", filteredObject) try { const all = document.styleSheets, s = all[all.length - 1], l = s?.cssRules?.length || 0; if (s?.insertRule) { s.insertRule('body {background-color: DarkKhaki !important}', l) //console.debug("Global rule inserted") } } catch(e) { //console.debug("WBR: Global change using new stylesheet failed. Appending element...: ", e) const s = document.createElement('style'); s.innerHTML = 'body {background-color: Tan !important;}'; document.body.appendChild(s); //console.debug("Global element appended") } } if(document.styleSheets?.length > 0) { for (let sheet of document.styleSheets) iterateRules(sheet.cssRules) } } checkPage()