SugarNode-TS/source/system/lib/core/logger.ts

/**
 * @Author  HonorLee (dev@honorlee.me)
 * @Version 1.0 (2018-05-04)
 * @License MIT
 */

require('colors');
import Tracer = require('tracer');
const TracerInstance = Tracer.dailyfile({root:SYSTEM.PATH.Log,format : `{{timestamp}} | {{file}}:{{line}} {{message}}`, dateformat : "HH:MM:ss.L"});

enum Level{
    LOG,
    INFO,
    DEBUG,
    WARN,
    ERROR
}
class Logger{
    public print(level:Level,msg:any,color:string|null):void{
        // console.log(new Error('test').stack)
        const str = `[${SYSTEM.ID}][${Level[level]}][${Moment().format('HH:mm:ss')}] ${msg}`;
        if(color){
            console.log(str[color as any]);
        }else{
            console.log(str);
        }
        const WriteLevel = SYSTEM.CONFIG.Log_Level.toUpperCase();
        if(Level[WriteLevel]){
            const wlevel = <any>Level[WriteLevel] as number;
            if(level >= wlevel){
                this.write(level,msg)
            }
        }
    }

    public write(level:Level,msg:any):void{
        const fun:string = Level[level].toLowerCase();
        TracerInstance[fun](msg);
    }

}
const LoggerInstance = new Logger();
const LoggerBridge = new Proxy(LoggerInstance,{
    get(target:Logger,key:string){
        let level:Level = -1;
        let color:string|null = null;
        switch(key){
            case 'log':
                level = Level.LOG;
                break;
            case 'info':
                level = Level.INFO;
                color = 'green';
                break;
            case 'debug':
                level = Level.DEBUG;
                color = 'magenta';
               break;
            case 'warn':
                level = Level.WARN;
                color = 'yellow';
                break;
            case 'error':
                level = Level.ERROR;
                color = 'red';
                break;
            default:
                return null;
        }
        return function(msg:string):void{
            LoggerInstance.print(level,msg,color);
        }
    }
})

module.exports = LoggerBridge;