Bookmarklet to search Github repos with updates in the last X days

Bookmarklet

javascript: (function()%7Bvar t%3D%7Beval:%27"Date.prototype.yyyymmdd%3Dfunction()%7Bvar t%3Dthis.getMonth()%2B1,e%3Dthis.getDate()%3Breturn%5Bthis.getFullYear(),%5C%5C"-%5C%5C",(t>9%3F%5C%5C"%5C%5C":%5C%5C"0%5C%5C")%2Bt,%5C%5C"-%5C%5C",(e>9%3F%5C%5C"%5C%5C":%5C%5C"0%5C%5C")%2Be%5D.join(%5C%5C"%5C%5C")%7D%3Bvar search%3Dprompt(%5C%5C"Recent search on github%3F%5C%5C"),diffDays%3Dprompt(%5C%5C"Since how many days%3F%5C%5C"),today%3Dnew Date,priorDate%3D(new Date).setDate(today.getDate()-parseInt(diffDays)),d%3Dnew Date(priorDate).yyyymmdd()%3Bwindow.location%3D%5C%5C"https://github.com/search%3Futf8%3D✓%26q%3D%5C%5C"%2BencodeURIComponent(search%2B%5C%5C" pushed:>%5C%5C"%2Bd)%2B%5C%5C"%26type%3DRepositories%5C%5C"%3B"%27%7D,e%3D!0%3Bif("object"%3D%3Dtypeof this.artoo%26%26(artoo.settings.reload%7C%7C(artoo.log.verbose("artoo already exists within this page. No need to inject him again."),artoo.loadSettings(t),artoo.exec(),e%3D!1)),e)%7Bvar o%3Ddocument.getElementsByTagName("body")%5B0%5D%3Bo%7C%7C(o%3Ddocument.createElement("body"),document.firstChild.appendChild(o))%3Bvar a%3Ddocument.createElement("script")%3Bconsole.log("artoo.js is loading..."),a.src%3D"//medialab.github.io/artoo/public/dist/artoo-latest.min.js",a.type%3D"text/javascript",a.id%3D"artoo_injected_script",a.setAttribute("settings",JSON.stringify(t)),o.appendChild(a)%7D%7D).call(this)%3B

index.js

// http://medialab.github.io/artoo/generator/

// https://stackoverflow.com/questions/3066586/get-string-in-yyyymmdd-format-from-js-date-object
Date.prototype.yyyymmdd = function() {
  var mm = this.getMonth() + 1; // getMonth() is zero-based
  var dd = this.getDate();

  return [this.getFullYear(),
            '-',
          (mm>9 ? '' : '0') + mm,
            '-',
          (dd>9 ? '' : '0') + dd
         ].join('');
};

var search = prompt('Recent search on github?')
var diffDays = prompt('Since how many days?')

var today = new Date()
var priorDate = new Date().setDate(today.getDate()-parseInt(diffDays))

var d = new Date(priorDate).yyyymmdd()

// https://github.com/search?utf8=%E2%9C%93&q=express+pushed%3A%3E2017-01-01&type=Repositories
window.location = 'https://github.com/search?utf8=%E2%9C%93&q='+encodeURIComponent(search +' pushed:>'+d)+'&type=Repositories'