PropertyStore.gs

(function(global,name,Package,helpers){var ref=function wrapper(args){var wrapped=function(){return Package.apply(global.Import&&Import.module?Import._import(name):global[name],[global].concat(Array.prototype.slice.call(arguments)))};for(i in args){wrapped[i]=args[i]}return wrapped}(helpers);if(global.Import&&Import.module){Import.register(name,ref)}else{Object.defineProperty(global,name,{value:ref});global.Import=global.Import||function(lib){return global[lib]};Import.module=false}})(this,

"PropertyStore",

function PropertyStorePackage_ (global, config) {
  config = config || {};
  config.jsons = config.jsons || false;
  
  var PropertyObject = function (_propertyObject) {
    return { 
      set: function (key, value) {
        if (config.jsons) value = JSON.stringify(value);
        _propertyObject.setProperty(key, value);
      },
      get: function (key) {
        var ret;
        ret = _propertyObject.getProperty(key);
        if (config.jsons) {
          ret = JSON.parse(ret || 'null');
        }
        return ret;
      },
    };
  };

  return {
    script: function () {
      return PropertyObject(PropertiesService.getScriptProperties());
    },
    document: function () {
      return PropertyObject(PropertiesService.getDocumentProperties());
    },
    user: function () {
      return PropertyObject(PropertiesService.getUserProperties());    
    }
  }
},

{ /* helpers */ }

);