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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

Verzia zo dňa 03.01.2016. Pozri najnovšiu verziu.

// ==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       1.1.4
// @include       http://web.archive.org/web/*
// @include       https://web.archive.org/web/*
// @grant         none

// ==/UserScript==

var toolbarNav = document.getElementById("wm-graph-anchor");
var pics = document.images;
var links = document.links;
var lastFolder = window.location.href.substring(window.location.href.lastIndexOf("/") + 1);
var shouldHaveTrailingSlash = window.location.href.lastIndexOf(".") < window.location.href.lastIndexOf("/") || window.location.href.substring(window.location.href.lastIndexOf("//") + 2) == lastFolder;
var hasTrailingSlash = window.location.href.lastIndexOf("/") == window.location.href.length - 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);