Sqlite3 Winston Logger

logger.js

// requirements
const winston = require('winston');
const winstonSqlite3Transport = require('./winston-sqlite3-transport');

class Logger {
    winstonLogger;

    constructor(db_file) {
        this.winstonLogger = winston.createLogger({
            level: 'debug',
            format: winston.format.json(),
            //format: winston.format.combine(winston.format.json(), winston.format.prettyPrint()),
            // defaultMeta: { resource: 'renew' }, // you can set default values for columns not passed in the .log method
            defaultMeta: { get timestamp() { return new Date().toISOString() } }, // getter computed at run-time
            transports: [
                new (winston.transports.Console)({
                    format: winston.format.combine(winston.format.colorize({all:true}),
                        winston.format.printf(info => `${new Date()}: ${info.level} - ${info.message}`) ),
                }),
                new winstonSqlite3Transport({
                    db: db_file, // A list of the sqlite columns to log. Defaults to ['level, 'message']
                })
            ]
        });
    }

    logWarning(message) {
        this.logMessage('warn', message);
    }

    logInfo(message) {
        this.logMessage('info', message);
    }

    logError(message) {
        this.logMessage('error', message);
    }

    logMessage(level , message) {
        this.winstonLogger.log({ level: level, message: message });
    }
}

module.exports = Logger;