generalFunctions/src/helper/logger.js

class Logger {
    constructor(logging = true, logLevel = 'debug', nameModule = 'N/A') {
      this.logging = logging; // Boolean flag to enable/disable logging
      this.logLevel = logLevel; // Default log level: 'debug', 'info', 'warn', 'error'
      this.levels = ['debug', 'info', 'warn', 'error']; // Log levels in order of severity
      this.nameModule = nameModule; // Name of the module that uses the logger
    }
  
    // Helper function to check if a log message should be displayed based on current log level
    shouldLog(level) {
      return this.levels.indexOf(level) >= this.levels.indexOf(this.logLevel);
    }
  
    // Log a debug message
    debug(message) {
      if (this.logging && this.shouldLog('debug')) {
        console.debug(`[DEBUG] -> ${this.nameModule}: ${message}`);
      }
    }
  
    // Log an info message
    info(message) {
      if (this.logging && this.shouldLog('info')) {
        console.info(`[INFO] -> ${this.nameModule}: ${message}`);
      }
    }
  
    // Log a warning message
    warn(message) {
      if (this.logging && this.shouldLog('warn')) {
        console.warn(`[WARN] -> ${this.nameModule}: ${message}`);
      }
    }
  
    // Log an error message
    error(message) {
      if (this.logging && this.shouldLog('error')) {
        console.error(`[ERROR] -> ${this.nameModule}: ${message}`);
      }
    }
  
    // Set the log level dynamically
    setLogLevel(level) {
      if (this.levels.includes(level)) {
        this.logLevel = level;
      } else {
        console.error(`[ERROR ${this.nameModule}]: Invalid log level: ${level}`);
      }
    }
  
    // Toggle the logging on or off
    toggleLogging() {
      this.logging = !this.logging;
    }
  }
  
  module.exports = Logger;