spacecraft-logger

a smart logger component for any application

Usage

Normal

var logger = require('../')();

no file output

var logger = require('../')({file: false});

Simple Example

var logger = require('../')();

logger.log('hello');
logger.trace('hello', 'world');
logger.debug('hello %s',  'world', 123);
logger.info('hello %s %d',  'world', 123, {foo:'bar'});
logger.warn('hello %s %d %j', 'world', 123, {foo:'bar'});
logger.error('hello %s %d %j', 'world', 123, {foo:'bar'}, [1, 2, 3, 4], Object);

Options

| Property | Default | Description | | ------------- | ----------------------- | ------------------------------ | | dateformat | "yyyy-mm-dd HH:MM:ss.L" | date output value in format {{timestamp}} | | format | "{{timestamp}} <{{title}}> {{message}} (in {{file}}:{{line}})" | output format | | color | true | output color in console | | file | true | is output file log in logs/* | | silent | false | is output log in console |

enable just when property file is true:

| Property | Default | Description | | --------------- | ------------- | ----------------------------------------------------- | | root | '.' | root path | | logPathFormat | '{{root}}/{{prefix}}.{{date}}.log' | output file path format | | splitFormat | 'yyyymmdd' | file split format | | allLogsFileName | false | if this is string, output all type of log in one file | | maxLogFiles | 10 | max log file number |

Customize output format

console format tag:

• timestamp: current time
• title: method name, default is 'log', 'trace', 'debug', 'info', 'warn', 'error','fatal'
• level: method level, default is 'log':0, 'trace':1, 'debug':2, 'info':3, 'warn':4, 'error':5, 'fatal':6
• message: printf message, support %s string, %d number, %j JSON and auto inspect
• file: file name
• line: line number
• pos: position
• path: file's path
• method: method name of caller
• stack: call stack message

License

MIT Licensed. Copyright (c) moonrailgun 2017.