var loadjsonconfig = require('loadjsonconfig');
var configKey = {
filename : ["key1", "key2" ,"key3",,,,]
,,,
};
var configDir = __dirname + '/config/';
var configManager = new loadjsonconfig({configKey : configKey, configDir : configDir});
//get one object by key name and value
var obj = configManager.getObjByKey('configName','keyName',keyValue);
//get objects by key name and value
var objs = configManager.getObjArrayByKey('configName', 'keyName', keyValue);
//get obj by two keys name and values
var obj = configManager.getObjFromArrayByKey('configName','keyName1',keyValue1,'keyName2',keyValue2);