Skill Topic · Cinematic

📘 Node.js — Error Handling

Errors ko professionally handle karo — app kabhi crash na ho! 🛡️

Overview

📘 Node.js — Error Handling — Quick Facts

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Topic 1

📚 ` ┌──────────────────────────────────────────────────────────────┐ │ ERROR HANDLING =…

Topic 2

💡 `javascript // ═══ errors/AppError.js — Base error class ═══ class AppError extends Error…

Topic 3

🎯 `javascript // ═══ middleware/asyncHandler.js ═══ // Problem: async route me error aaye…

Topic 4

⭐ `javascript // ═══ middleware/errorHandler.js ═══ const { AppError } =…

Topic 5

🔑 `javascript // ═══ app.js — Full setup ═══ const express = require('express'); const app…

Topic 6

✨ `javascript // ═══ Global error handlers — App crash prevent karo ═══ // ── Unhandled…

Topic 7

🌟 `javascript // ═══ Input validation best practices ═══ const { ValidationError } =…

Topic 8

🚀 ` ┌──────────────────────────────────────────────────────────────┐ │ ERROR HANDLING…

Topic 9

📚 KEY POINTS: - Operational errors = expected (404, validation), Programming errors = bugs…

Quick Quiz

📘 Node.js — Error Handling ka sabse sahi definition kya hai?

Complete! 🎉

Aliens School · HIEN · Cinematic Knowledge

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