iobroker.wireless-mbus/lib/SimpleLogger.js

Receive data from Wireless Meter-Bus (wM-Bus) devices like gas or electricity meters

'use strict';

class SimpleLogger {
    constructor(loggerFunction) {
        this.prefix = '';

        if (typeof loggerFunction === 'undefined') {
            this.logError = console.log;
            this.logInfo = console.log;
            this.logDebug = console.log;
        } else if (typeof loggerFunction === 'function') {
            this.logError = loggerFunction;
            this.logInfo = loggerFunction;
            this.logDebug = loggerFunction;
        } else {
            this.logError = (typeof loggerFunction.error === 'function'
                ? loggerFunction.error : function () { });
            this.logInfo = (typeof loggerFunction.info === 'function'
                ? loggerFunction.info : function () { });
            this.logDebug = (typeof loggerFunction.debug === 'function'
                ? loggerFunction.debug : function () { });
        }
    }

    setPrefix(prefix) {
        this.prefix = prefix;
    }

    error(msg) {
        this.logError(`${this.prefix}: ${msg}`);
    }

    info(msg) {
        this.logInfo(`${this.prefix}: ${msg}`);
    }

    debug(msg) {
        this.logDebug(`${this.prefix}: ${msg}`);
    }
}

module.exports = SimpleLogger;