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src/middleware/error.ts

@@ -0,0 +1,61 @@
+import { Request, Response, NextFunction } from 'express';
+import ApiError from '../utils/helper/ApiError';
+import config from '../config/config';
+
+// Middleware to convert different error types to ApiError
+export const errorConverter = (
+    err: any, // Use a broad type to handle various error types
+    req: Request,
+    res: Response,
+    next: NextFunction
+): void => {
+    let error = err;
+
+    if (!(err instanceof ApiError)) {
+        // Handle all other errors
+        const statusCode =
+            err.statusCode
+                ? 400
+                : 500;
+        const message = err.message || "Internal Server Error";
+        error = new ApiError(statusCode, message, [err.message], false, err.stack);
+    }
+
+    next(error);
+};
+
+// Middleware to handle errors and send responses
+export const errorHandler = (
+    err: ApiError,
+    req: Request,
+    res: Response,
+    next: NextFunction
+): void => {
+    // Determine the status code and message
+    let { statusCode, message } = err;
+
+    if (config.env === 'production' && !err.isOperational) {
+        // Hide sensitive error details in production
+        statusCode = 500;
+        message = "Internal Server Error" as string;
+    }
+
+    // Attach the error message to response locals for debugging
+    res.locals.errorMessage = err.message;
+
+    // Construct the response object
+    const response = {
+        code: statusCode,
+        message,
+        ...(config.env === 'development' && { stack: err.stack }), // Include stack trace in development
+    };
+
+    // Log the error in development mode
+    if (config.env === 'development') {
+        console.error(err.stack || err.message);
+    }
+
+    // Send the error response
+    res.status(statusCode).json(response);
+};
+