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/* xlsx.js (C) 2013-present SheetJS -- http://sheetjs.com *//* eslint-env browser *//*global ObjUtils */Storage.prototype.load = function(data) {  var self = this;  Object.keys(data).forEach(function(k) {    self.setItem(k, JSON.stringify(data[k]));  });};
Storage.prototype.dump = function() {  var obj = {};  for(var i = 0; i < this.length; ++i) {    var key = this.key(i);    obj[key] = JSON.parse(this.getItem(key));  }  return ObjUtils.object_to_workbook(obj);};