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将B站的视频/专栏传送门功能搬到站外
// ==UserScript==
// @name B站视频跳转
// @namespace https://gist.github.com/QingMu01
// @version 1.0.2
// @description 将B站的视频/专栏传送门功能搬到站外
// @author QingMu_
// @include *
// @exclude *://*.bilibili.com/*
// @grant none
// @license MIT License
// ==/UserScript==
//如需添加其他站点,按上面@match的格式自行添加即可(每行一个)
const matchRules = /(?:av[0-9]+)|(?:bv[A-z0-9]{10,})|(?:cv[0-9]+)/gi;
const config = {childList: true, subtree: true ,characterData:true ,attributes:true};
var observer = {
observe(){},
disconnect(){}
}
const checker={
nodeChecker:(node)=>{
if((node.nodeType != 8) && (node.nodeType != 3) && (node.nodeName !== 'STYLE') && (node.nodeName != 'SCRIPT') && (node.nodeName != 'A')){
return true;
}else{
return false;
}
},
typeChecker:(match)=>{
let type = match.trim().toLowerCase().substring(0,1);
if(type == 'b'){
return `<a target="_blank" style="text-decoration:underline;" href="https://www.bilibili.com/video/${match}">${match}</a>`;
}else if(type == 'a'){
return `<a target="_blank" style="text-decoration:underline;" href="https://www.bilibili.com/video/${match.toLowerCase()}">${match}</a>`;
}else if(type == 'c'){
return `<a target="_blank" style="text-decoration:underline;" href="https://www.bilibili.com/read/${match.toLowerCase()}">${match}</a>`;
}
}
}
//检索所有文字节点,匹配到的加入处理列表
const DFS = {
nodes: [],
do (root) {
for (let i = 0;i < root.childNodes.length;i++) {
var node = root.childNodes[i];
if (checker.nodeChecker(node)) {
try{
if(node.innerText.match(matchRules) != null){
this.nodes.push(node);
}
}catch(e){};
this.do(node);
}
}
return this.nodes;
}
}
//节点操作
const DOMmanipulate={
update : (mutationsList,observer)=>{
mutationsList.forEach((item,index)=>{
if(item.addedNodes.length>0){
item.addedNodes.forEach((node,i)=>{
try{
if((checker.nodeChecker(node)) && (node.innerText.match(matchRules) !== null)){
DOMmanipulate.startTransaction(node)
}
}catch(e){};
});
}
});
},
startTransaction : (checkNodes)=>{
observer.disconnect();
DFS.nodes.length=0;
DFS.do(checkNodes);
for(let x in DFS.nodes){
let gc = DFS.nodes[x].children;
if(gc.length==0){
DFS.nodes[x].innerHTML = DFS.nodes[x].innerHTML.replace(matchRules,(match)=>{
return checker.typeChecker(match);
});
}else{
let originLength = gc.length;
for(let i=0;i<originLength;i++){
if(gc[i].innerText.match(matchRules) != null){
break;
}else if(i == gc.length-1){
DFS.nodes[x].innerHTML = DFS.nodes[x].innerHTML.replace(matchRules,(match)=>{
return checker.typeChecker(match);
});
}
}
}
}
observer.observe(document.body, config);
}
}
//创建观察者,当节点更新时检查
try{
observer = new MutationObserver(DOMmanipulate.update);
}catch(e){
console.log("[B站视频跳转]:创建MutationObserver失败,无法监听DOM节点改变,后续更新的内容将不会对av/bv/cv号进行链接转换!")
}
//防止在网站对内容解析前生效导致出现奇怪的布局
window.setTimeout(function(){
DOMmanipulate.startTransaction(document.body);
},3000)