What does it do?

{"@appId":"elbstack-logs-test","@version":"1.0.0","@level":"info","@timestamp":1490676496916,"text":"This is a sample text"}

{"@appId":"elbstack-logs-test","@version":"1.0.0","@level":"warn","@timestamp":1490676496916,"key1":"value1","key2":2}

Installation

npm install --save elbstack-logger

Usage

constLogger=require('elbstack-logger');constlogger=newLogger('sample-app-id','1.0.0',Logger.LOG_LEVEL_INFO);

Log level hierarchy

Logger.LOG_LEVEL_DEBUGLogger.LOG_LEVEL_INFOLogger.LOG_LEVEL_WARNLogger.LOG_LEVEL_ERRORLogger.LOG_LEVEL_FATAL

Usage with text messages

logger.info('This is a sample text');

Usage with JSON serializable objects

logger.info({key1:'value1',key2:2});

Usage with both

logger.info({key1:'value1'},'abcdefg',{key1:'value1Overwrite',anotherKey:1},5);

{"@appId":"sample-app-id","@version":"1.0.0","@level":"info","@timestamp":1490676496916,"key1":"value1Overwrite","anotherKey":1,"text":"abcdefg 5"}