Prevent unnecessary scripts from loading
目前為
// ==UserScript==
// @name IMDb - stop scripts
// @namespace https://github.com/Procyon-b
// @version 0.6.2
// @description Prevent unnecessary scripts from loading
// @author Achernar
// @match https://www.imdb.com/*
// @run-at document-start
// @grant none
// ==/UserScript==
(function() {
"use strict";
// which scripts to block
function match(s) {
return /^https?:\/\/(m\.media-amazon\.com\/images\/I\/|d1zcggttmijv1z\.cloudfront\.net\/_next\/static\/).*[^?]$/.test(s);
}
// catch scripts before they are loaded
var obs=new MutationObserver(function(muts){
for (let mut of muts) {
for (let n of mut.addedNodes) {
if ((n.nodeType == 1) && (n.tagName == 'SCRIPT')) {
let src=n.src;
if (!src) continue;
if (match(src)) {
n.type='not/javascript';
n.addEventListener('beforescriptexecute', function(e){e.preventDefault();}, true);
}
}
}
}
});
var c=0;
function startObs() {
c++;
if (!document) {
setTimeout(startObs,0);
return;
}
obs.observe(document, {childList:true, subtree:true});
injSt();
}
startObs();
function injSt() {
var r=document.head || document.documentElement;
if (!r) {
setTimeout(injSt,0);
return;
}
var st=document.createElement('style');
r.appendChild(st);
st.innerText='.ipc-loader__circle {animation: unset !important;}';
}
// load rest of the script after DOM is ready
if (document.readyState != 'loading') init();
else document.addEventListener('DOMContentLoaded', init);
function init() {
var search=document.getElementById('suggestion-search');
if (!search && !/^https:\/\/www\.imdb\.com\/.*\/mediaviewer\//.test(location.href) ) return;
if (search) search.oninput=fix;
function addJS(u, ol) {
if (!u) return;
var el=document.createElement('script');
el.src=u;
if (ol) el.onload=ol;
try {
let r=document.head || document.documentElement;
r.insertBefore(el,r.firstChild);
}catch(e){}
if (el.parentNode) el.parentNode.removeChild(el);
}
var a, all=[], uniq={};
// load blocked scripts
function fix() {
if (search) search.oninput=null;
a=document.querySelectorAll('script[src*="m.media-amazon.com/images/I/"], script[src*="d1zcggttmijv1z.cloudfront.net/_next/static/"]');
a.forEach(function(e,i,a){
if (!uniq[e.src]) all.push(e.src);
uniq[e.src]=1;
});
loadJS();
}
function fixPage() {
if (location.href.startsWith('https://www.imdb.com/title/')) {
var a=document.querySelectorAll('a[href="/"]');
a.forEach(function(e){e.href='javascript:;'});
}
}
fixPage();
function loadJS() {
if (all.length==0) return;
addJS(all.shift()+'?', loadJS);
}
if (location.pathname=='/') fix();
if (/^https:\/\/www\.imdb\.com\/.*\/mediaviewer\//.test(location.href)) fix();
}
})();