webupdatev1

backend/middleware/processHandlers.js

@@ -0,0 +1,71 @@
+/**
+ * Global Process Error Handlers
+ * Safeguards to prevent crashes from unhandled errors
+ */
+const logger = require("../config/logger");
+
+/**
+ * Handle uncaught exceptions
+ */
+process.on("uncaughtException", (error) => {
+  logger.error("💥 Uncaught Exception", {
+    error: error.message,
+    stack: error.stack,
+  });
+
+  // Give time to log before exiting
+  setTimeout(() => {
+    process.exit(1);
+  }, 1000);
+});
+
+/**
+ * Handle unhandled promise rejections
+ */
+process.on("unhandledRejection", (reason, promise) => {
+  logger.error("💥 Unhandled Promise Rejection", {
+    reason: reason instanceof Error ? reason.message : reason,
+    stack: reason instanceof Error ? reason.stack : undefined,
+    promise,
+  });
+
+  // Don't exit - log and continue
+  // In production, you might want to exit: process.exit(1);
+});
+
+/**
+ * Handle process warnings
+ */
+process.on("warning", (warning) => {
+  logger.warn("⚠️  Process Warning", {
+    name: warning.name,
+    message: warning.message,
+    stack: warning.stack,
+  });
+});
+
+/**
+ * Handle SIGTERM gracefully
+ */
+process.on("SIGTERM", () => {
+  logger.info("👋 SIGTERM received, shutting down gracefully");
+
+  // Give server time to close connections
+  setTimeout(() => {
+    process.exit(0);
+  }, 10000);
+});
+
+/**
+ * Handle SIGINT gracefully (Ctrl+C)
+ */
+process.on("SIGINT", () => {
+  logger.info("👋 SIGINT received, shutting down gracefully");
+  process.exit(0);
+});
+
+logger.info("✅ Global process error handlers registered");
+
+module.exports = {
+  // Exports for testing if needed
+};