Trims the capture graph timeline to only the earliest and latest years
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// ==UserScript==
// @name Wayback Machine Timeline Compressor
// @namespace DoomTay
// @description Trims the capture graph timeline to only the earliest and latest years
// @version 0.9.0
// @include /http(?:s?):\/\/web\.archive\.org\/web\//
// @grant none
// ==/UserScript==
var smallTimeline = document.querySelector("#sparklineImgId[width = \"525\"]");
var bigTimeline = document.querySelector("#sparklineImgId[width = \"1029\"]");
if(smallTimeline)
{
smallTimeline.src = smallTimeline.src.replace(/(http:\/\/web\.archive\.org\/web\/jsp\/graph\.jsp\?graphdata=525_27)(?:_\d\d\d\d:-1:000000000000)+|(?:_\d\d\d\d:-1:000000000000)+$/g, "$1");
var startYear = parseInt(smallTimeline.src.substr(smallTimeline.src.search(/\d\d\d\d:/),4));
var lastYear = parseInt(smallTimeline.src.substr(smallTimeline.src.search(/\d\d\d\d(?!.*\d\d\d\d:)/),4));
var yearRange = (lastYear - startYear) + 1;
var scripts = document.scripts;
for(var s = 0; s < scripts.length; s++)
{
if(scripts[s].innerHTML.indexOf("525, 27") > -1)
{
var newScript = document.createElement('script');
newScript.type = "text/javascript";
newScript.innerHTML = scripts[s].innerHTML.replace("(525, 27, 25, 2)","(525, 27, " + (525 / yearRange) + ", " + (525 - yearRange)/(12 * yearRange) + ")").replace(/firstYear = \d\d\d\d/,"firstYear = " + startYear);
document.body.appendChild(newScript);
__wm.bt();
break;
}
}
}
else if(bigTimeline)
{
bigTimeline.src = bigTimeline.src.replace(/(http:\/\/web\.archive\.org\/web\/jsp\/graph.jsp\?nomonth=1&graphdata=1029_75)(?:_\d\d\d\d:-1:000000000000)+|(?:_\d\d\d\d:-1:000000000000)+$/g, "$1");
var lastYear = parseInt(bigTimeline.src.substr(bigTimeline.src.search(/\d\d\d\d(?!.*\d\d\d\d:)/),4));
window.firstYear = parseInt(bigTimeline.src.substr(bigTimeline.src.search(/\d\d\d\d:/),4));
window.startYear = parseInt(window.location.href.substr(window.location.href.indexOf("http://web.archive.org/web/") + 27,4)) - firstYear;
var yearRange = (lastYear - firstYear) + 1;
window.yearImgWidth = (1029 / yearRange);
window.monthImgWidth = (1029 - yearRange)/(12 * yearRange);
document.getElementById("wbMouseTrackYearImg").style.width = (Math.round(10*yearImgWidth)/10) + "px";
var yearLabels = document.getElementsByClassName("year-label");
for(var y = 0; y < yearLabels.length; y++)
{
while(y < yearLabels.length && (yearLabels[y].dataset.year > lastYear || yearLabels[y].dataset.year < firstYear)) yearLabels[y].parentNode.removeChild(yearLabels[y]);
if(y >= yearLabels.length) continue;
yearLabels[y].style.width = Math.floor(1029 /yearRange) + "px";
}
}