Created
May 21, 2019 08:39
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Typescript Logger Test
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interface ILogger { | |
info(toLog: string | object, ...meta: object[]): ILogger; | |
warn(toLog: string | object, ...meta: object[]): ILogger; | |
error(toLog: string | object, ...meta: object[]): ILogger; | |
debug(toLog: string | object, ...meta: object[]): ILogger; | |
} | |
export { ILogger }; |
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import path from 'path'; | |
import { createLogger, format, Logger, transports } from 'winston'; | |
import { ILogger } from '../../interfaces/logging/ILogger'; | |
class LoggerImplWinston implements ILogger { | |
private readonly _winston: Logger; | |
constructor() { | |
this._winston = createLogger({ | |
level: 'DEBUG', // Should come from config file | |
format: format.combine( | |
format.label({ | |
label: path.basename(process.mainModule!.filename), | |
}), | |
format.timestamp({ format: 'YYYY-MM-DD HH:mm:ss' }) | |
), | |
transports: [ | |
new transports.Console({ | |
format: format.combine( | |
format.colorize(), | |
format.printf( | |
info => | |
`${info.timestamp} ${info.level} [${info.label}]: ${ | |
info.message | |
}` | |
) | |
), | |
}), | |
new transports.File({ | |
filename: 'logs/log.txt', | |
format: format.json(), | |
}), | |
], | |
}); | |
} | |
public debug(toLog: string | object): ILogger { | |
if (typeof toLog === 'string') { | |
this._winston.debug(toLog); | |
} else { | |
this._winston.debug(toLog); | |
} | |
return this; | |
} | |
public info(toLog: string | object, meta: object | undefined): ILogger { | |
if (typeof toLog === 'string') { | |
this._winston.info(toLog, meta); | |
} else { | |
this._winston.info(toLog); | |
} | |
return this; | |
} | |
public warn(toLog: string | object): ILogger { | |
if (typeof toLog === 'string') { | |
this._winston.warn(toLog); | |
} else { | |
this._winston.warn(toLog); | |
} | |
return this; | |
} | |
public error(toLog: string | object): ILogger { | |
if (typeof toLog === 'string') { | |
this._winston.error(toLog); | |
} else { | |
this._winston.error(toLog); | |
} | |
return this; | |
} | |
} | |
export { LoggerImplWinston }; |
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