52 lines
1.3 KiB
JavaScript
52 lines
1.3 KiB
JavaScript
const fs = require('fs-extra');
|
|
const Logger = require('./Logger');
|
|
|
|
let instance = null;
|
|
|
|
//singleton
|
|
class AppLogger {
|
|
constructor() {
|
|
if (!instance) {
|
|
instance = this;
|
|
}
|
|
|
|
this.inited = false;
|
|
return instance;
|
|
}
|
|
|
|
async init(config) {
|
|
if (this.inited)
|
|
throw new Error('already inited');
|
|
|
|
let loggerParams = null;
|
|
|
|
if (config.loggingEnabled) {
|
|
await fs.ensureDir(config.logDir);
|
|
loggerParams = [
|
|
{log: 'ConsoleLog'},
|
|
{log: 'FileLog', fileName: `${config.logDir}/${config.name}.log`},
|
|
{log: 'FileLog', fileName: `${config.logDir}/${config.name}.err.log`, exclude: [LM_OK, LM_INFO, LM_TOTAL]},
|
|
{log: 'FileLog', fileName: `${config.logDir}/${config.name}.fatal.log`, exclude: [LM_OK, LM_INFO, LM_WARN, LM_ERR, LM_TOTAL]},//LM_FATAL only
|
|
];
|
|
}
|
|
|
|
this._logger = new Logger(loggerParams);
|
|
|
|
this.inited = true;
|
|
return this.logger;
|
|
}
|
|
|
|
get logger() {
|
|
if (!this.inited)
|
|
throw new Error('not inited');
|
|
return this._logger;
|
|
}
|
|
|
|
get log() {
|
|
const l = this.logger;
|
|
return l.log.bind(l);
|
|
}
|
|
}
|
|
|
|
module.exports = AppLogger;
|