trivialmodels
Version:
A trivial javascript model system, designed to be easy to build backends for.
3 lines (2 loc) • 8.95 kB
JavaScript
;var _createClass=function(){function defineProperties(target,props){for(var i=0;i<props.length;i++){var descriptor=props[i];descriptor.enumerable=descriptor.enumerable||false;descriptor.configurable=true;if("value" in descriptor)descriptor.writable=true;Object.defineProperty(target,descriptor.key,descriptor);}}return function(Constructor,protoProps,staticProps){if(protoProps)defineProperties(Constructor.prototype,protoProps);if(staticProps)defineProperties(Constructor,staticProps);return Constructor;};}();Object.defineProperty(exports,"__esModule",{value:true});var _lodash=require('lodash');var _lodash2=_interopRequireDefault(_lodash);var _bluebird=require('bluebird');var _bluebird2=_interopRequireDefault(_bluebird);function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj};}function _classCallCheck(instance,Constructor){if(!(instance instanceof Constructor)){throw new TypeError("Cannot call a class as a function");}}var SimpleDriver=function(){function SimpleDriver(){_classCallCheck(this,SimpleDriver);this.db={};}_createClass(SimpleDriver,[{key:'_genID',value:function _genID(){return ''+Date.now();}},{key:'init',value:function init(){}},{key:'get',value:function get(pk){return _bluebird2.default.resolve(this.db[pk]);}},{key:'getAll',value:function getAll(){return _bluebird2.default.resolve(_lodash2.default.values(this.db));}},{key:'set',value:function set(pk,value){if(arguments.length==1){value=pk;pk=this._genID();}if(arguments.length==2){value=pk;pk=this._genID();}pk=pk||this._genID();this.db[pk]=value;return _bluebird2.default.resolve(pk);}},{key:'filter',value:function filter(predicate){return _bluebird2.default.resolve((0,_lodash2.default)(this.db).values().filter(predicate).run());}},{key:'query',value:function query(queryFunc){return _bluebird2.default.resolve(queryFunc((0,_lodash2.default)(this.db)));}},{key:'remove',value:function remove(predicate){var _this=this;return _bluebird2.default.resolve((0,_lodash2.default)(this.db).keys().reduce(function(results,pk){var item=_this.db[pk];if(!_lodash2.default.isEmpty(_lodash2.default.filter([item],predicate))){results.push(pk);}return results;},[])).then(function(toRemove){_lodash2.default.each(toRemove,function(pk){delete _this.db[pk];});});}},{key:'removeAll',value:function removeAll(){this.db={};return _bluebird2.default.resolve();}}]);return SimpleDriver;}();exports.default=SimpleDriver;
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