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/* xlsx.js (C) 2013-present SheetJS -- http://sheetjs.com *//*global ObjUtils, localforage */localforage.load = async function foo(data) {  var keys = Object.keys(data);  for(var i = 0; i < keys.length; ++i) {    var key = keys[i], val = JSON.stringify(data[keys[i]])    await localforage.setItem(key, val);  }};
localforage.dump = async function() {  var obj = {};  var length = await localforage.length();  for(var i = 0; i < length; ++i) {    var key = await this.key(i);    var val = await this.getItem(key);    obj[key] = JSON.parse(val);  }  return ObjUtils.object_to_workbook(obj);};