@overture-stack/lyric/dist/src/config/logger.js

Data Submission system

import { createLogger, format, transports } from 'winston';
/**
 * Get a Logger instance for log messages
 * @param config logger configuration
 * @returns functions to log messages based on each log level
 */
export const getLogger = (config) => {
    const transportList = [];
    const { combine, timestamp, colorize, printf } = format;
    // console transport
    const consoleLog = new transports.Console({
        format: combine(timestamp(), colorize(), printf(({ timestamp, level, message }) => `${timestamp} [${level}]: ${message}`)),
    });
    transportList.push(consoleLog);
    // file transport
    if (config.file) {
        const fileLog = new transports.File({ filename: 'logs.log' });
        transportList.push(fileLog);
    }
    const logger = createLogger({
        level: config.level || 'info',
        transports: transportList,
    });
    const log = (...message) => {
        const fullMessage = message.join(' - ');
        return fullMessage;
    };
    return {
        debug: (...messages) => {
            return logger.debug(log(...messages));
        },
        warn: (...messages) => {
            return logger.warn(log(...messages));
        },
        info: (...messages) => {
            return logger.info(log(...messages));
        },
        error: (...messages) => {
            return logger.error(log(...messages));
        },
    };
};