IGM Import/Export

/**
Import/export buttons for IdleGameMaker.
*/
(function(){
  var MODULE_KEY = 'importexport_gw4y480hjear';
  if (window[MODULE_KEY]) {
    return;
  }
  function performImport() {
    var state = prompt("Enter save state:");
    localStorage[Game.src] = state;
    Game.Load();
  }
  function performExport() {
    Game.Save();
    var state = localStorage[Game.src];
    prompt("Copy save state below:", state);
  }
  var root = document.createElement('div');
  var importButton = root.appendChild(document.createElement('input'));
  importButton.type = 'button';
  importButton.value = 'Import';
  importButton.onclick = performImport;
  var exportButton = root.appendChild(document.createElement('input'));
  exportButton.type = 'button';
  exportButton.value = 'Export';
  exportButton.onclick = performExport;
  document.getElementById('saveBox').appendChild(root);
  window[MODULE_KEY] = true;
})();