booster_pack_creator.user.js

// ==UserScript==
// @name Steam Booster Pack Creator
// @namespace infowolfe
// @include https://steamcommunity.com/tradingcards/boostercreator/*
// @require http://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js
// @version 1
// @grant none
// ==/UserScript==

$("body").on('DOMSubtreeModified', ".booster_creator_left", function() {
  checkRadio();
});

$("body").one('DOMSubtreeModified', ".newmodal", function() {
  setTimeout(function() { unpackNow(); }, 1000);
  setTimeout(function() { closeModal(); }, 1500);
});

function checkRadio() {
  var myRadio = $("input[class=booster_tradability_preference_nottradable]").first();
  var makePack = $(".btn_makepack");
  var makePackGreen = $(".btn_green_white_innerfade.btn_medium")

  if (myRadio.is(":visible")) {
    if (myRadio.is(":checked")) {
      console.log("already checked")
    } else {
      myRadio.prop("checked", true).change();
      if (makePack.hasClass(".btn_disabled")) {
        console.log("something broke")
      } else {
        makePack.click();
        var unpackClicked = false;
      }
    }
  }

  if (makePackGreen.is(":visible")) {
    makePackGreen.click();
  }

}

function unpackNow() {
  var unpackItNow = $("div.btn_grey_grey.btn_small")
  unpackItNow.click()
  console.log("sent click to unpackItNow")
}

function closeModal() {
  var modalClose = $("div.newmodal_close")
  modalClose.click()
  console.log("closed modal")
}

// Hide ".unavailable"
$("body").ready( function() {
  $("#booster_game_selector option[class='unavailable']").remove();
  console.log("removed unavailable")
});