Create errorHandlers.js

errorHandlers.js file that includes handling for general errors, 404 not found, and custom errors. This version includes environment-based logging to differentiate between development and production modes

server/routes/errorHandlers.js

@@ -0,0 +1,54 @@
+// errorHandlers.js
+
+// General error handler
+function generalErrorHandler(err, req, res, next) {
+  if (process.env.NODE_ENV === 'development') {
+    // Detailed error info for development
+    console.error(err.stack);
+    res.status(500).json({
+      success: false,
+      message: err.message,
+      stack: err.stack
+    });
+  } else {
+    // Generic error message for production
+    console.error(err.stack); // Still log error details for debugging purposes
+    res.status(500).json({
+      success: false,
+      message: 'Something went wrong!'
+    });
+  }
+}
+
+// 404 Not Found handler
+function notFoundHandler(req, res, next) {
+  res.status(404).json({
+    success: false,
+    message: 'Resource not found'
+  });
+}
+
+// Custom error handler for different types of errors
+function customErrorHandler(err, req, res, next) {
+  if (err.name === 'ValidationError') {
+    return res.status(400).json({
+      success: false,
+      message: 'Invalid input',
+      details: err.details
+    });
+  }
+  if (err.name === 'UnauthorizedError') {
+    return res.status(401).json({
+      success: false,
+      message: 'Unauthorized access'
+    });
+  }
+  // Pass any other errors to the general error handler
+  next(err);
+}
+
+module.exports = {
+  generalErrorHandler,
+  notFoundHandler,
+  customErrorHandler
+};