网页英文前部加粗脚本
// ==UserScript==
// @name 英文前部加粗
// @namespace https://github.com/itorr/bionic-reading.user.js
// @version 0.8.1
// @description 网页英文前部加粗脚本
// @author itorr
// @match *://*/*
// @grant none
// @license MIT
// @run-at document-idle
// @supportURL https://github.com/itorr/bionic-reading.user.js/issues
// ==/UserScript==
const enCodeHTML = s=> s.replace(/[\u00A0-\u9999<>\&]/g,w=>'&#'+w.charCodeAt(0)+';');
let body = document.body;
if(/weibo/.test(location.hostname)){
const wbMainEl = document.querySelector('.WB_main');
if(wbMainEl) body = wbMainEl;
// 修复旧版微博自定义样式失效 bug
const customStyleEl = document.querySelector('#custom_style');
if(customStyleEl)customStyleEl.removeAttribute('id');
}
const styleEl = document.createElement('style');
styleEl.innerHTML = `
bbb{
font-weight:bold;
}
a spann{
pointer-events: none;
}
`;
const excludeTagNames = [
'script','style','xmp',
'input','textarea','select',
'pre','code',
'h1','h2','h3','h4',
'b','strong'
].map(a=>a.toUpperCase());
const gather = el=>{
let textEls = [];
el.childNodes.forEach(el=>{
if(el.isEnB) return;
if(el.nodeType === 3){
textEls.push(el);
}else if(el.childNodes){
if(excludeTagNames.includes(el.tagName)) return;
// Skip DIV Code Frame
if(el.getAttribute && el.getAttribute('class') && el.getAttribute('class').includes('highlight')) return;
textEls = textEls.concat(gather(el))
}
})
return textEls;
};
const engRegexi = /[a-z][a-z0-9]+/i;
const engRegexig = /[a-z][a-z0-9]+/ig;
let replaceTextByEl = el=>{
const text = el.data;
if(!engRegexi.test(text))return;
const spanEl = document.createElement('spann');
spanEl.isEnB = true;
spanEl.innerHTML = enCodeHTML(text).replace(engRegexig,word=>{
let halfLength;
if(/ing$/.test(word)){
halfLength = word.length - 3;
}else if(word.length<5){
halfLength = Math.floor(word.length/2);
}else{
halfLength = Math.ceil(word.length/2);
}
return '<bbb>'+word.substr(0,halfLength)+'</bbb>'+word.substr(halfLength)
})
el.after(spanEl);
el.remove();
};
// replaceTextByEl = el=>{
// el.data = el.data.replace(engRegexig,word=>{
// let halfLength;
// if(/ing$/.test(word)){
// halfLength = word.length - 3;
// }else if(word.length<5){
// halfLength = Math.floor(word.length/2);
// }else{
// halfLength = Math.ceil(word.length/2);
// }
// const a = word.substr(0,halfLength).
// replace(/[a-z]/g,w=>'\uD835' + String.fromCharCode(w.charCodeAt(0)+56717)).
// replace(/[A-Z]/g,w=>'\uD835' + String.fromCharCode(w.charCodeAt(0)+56723));
// const b = word.substr(halfLength).
// replace(/[a-z]/g,w=> String.fromCharCode(55349,w.charCodeAt(0)+56665)).
// replace(/[A-Z]/g,w=> String.fromCharCode(55349,w.charCodeAt(0)+56671));
// return a + b;
// })
// }
const bionic = _=>{
const textEls = gather(body);
textEls.forEach(replaceTextByEl);
document.head.appendChild(styleEl);
}
const lazy = (func,ms = 0)=> {
return _=>{
clearTimeout(func.T)
func.T = setTimeout(func,ms)
}
};
lazy(bionic)();
if(window.ResizeObserver){
(new ResizeObserver(lazy(bionic,100))).observe(body);
}else{
const {open,send} = XMLHttpRequest.prototype;
XMLHttpRequest.prototype.open = function(){
this.addEventListener('load',lazy(bionic));
return open.apply(this,arguments);
};
document.addEventListener('click',lazy(bionic));
window.addEventListener('load',lazy(bionic));
document.addEventListener("DOMContentLoaded",lazy(bionic));
}