Wayback Machine Small Bug Fixes

Fixes encoded ampersands on Wayback Machine's captures graph and problems that arise when trailing slashes are missing in an URL

03.01.2016 itibariyledir. En son verisyonu görün.

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// ==UserScript==
// @name          Wayback Machine Small Bug Fixes
// @namespace     DoomTay
// @description   Fixes encoded ampersands on Wayback Machine's captures graph and problems that arise when trailing slashes are missing in an URL
// @version       1.1.3
// @include       http://web.archive.org/web/*
// @include       https://web.archive.org/web/*
// @grant         none

// ==/UserScript==

var toolbarNav = document.getElementById("wm-graph-anchor");
var shouldHaveTrailingSlash = window.location.href.lastIndexOf("/") > -1 && window.location.href.lastIndexOf(".") < window.location.href.lastIndexOf("/");
var hasTrailingSlash = window.location.href.lastIndexOf("/") == window.location.href.length - 1;
var pics = document.images;
var links = document.links;
var lastFolder = window.location.href.substring(window.location.href.lastIndexOf("/") + 1);

function fixLink()
{
	while(toolbarNav.href.indexOf("&amp;") > -1) toolbarNav.href = toolbarNav.href.replace("&amp;","&");
}

if(toolbarNav) fixLink();

if(shouldHaveTrailingSlash && !hasTrailingSlash)
{
	for(var l = 0; l < links.length; l++)
	{
		//Skip over stuff related to the Wayback Machine toolbar and data URIs
		if((document.getElementById("wm-ipp") && document.getElementById("wm-ipp").contains(links[l]))) continue;
		if(links[l].hash) continue;
		if(links[l].href.indexOf("/" + lastFolder + "/") > -1) continue;
		if(links[l].href.indexOf(window.location.href.substring(0,window.location.href.lastIndexOf("/"))) == -1) continue;
		links[l].href = lastFolder + "/" + absoluteToRelative(links[l].href);
	}
	for(var i = 0; i < pics.length; i++)
	{
		//Skip over stuff related to the Wayback Machine toolbar and data URIs
		if((document.getElementById("wm-ipp") && document.getElementById("wm-ipp").contains(pics[i])) || pics[i].src.indexOf("data:") > -1) continue;
		pics[i].src = lastFolder + "/" + absoluteToRelative(pics[i].src);
	}
}

function absoluteToRelative(url)
{
	return url.substring(window.location.href.indexOf(lastFolder));
}

var observer = new MutationObserver(function(mutations) {
	mutations.forEach(function(mutation) {
		if(mutation.type == "attributes") fixLink();
	});    
});

var config = { attributes: true, childList: true, characterData: true, subtree: true, attributeFilter: ["href"] };
observer.observe(toolbarNav, config);