Complete general functions

helper/logger.js

@@ -0,0 +1,57 @@
+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 ${nameModule}]: Invalid log level: ${level}`);
+      }
+    }
+  
+    // Toggle the logging on or off
+    toggleLogging() {
+      this.logging = !this.logging;
+    }
+  }
+  
+  module.exports = Logger;