Email verification before portal access
Implementing email verification before granting access to a portal is an essential security measure that helps ensure that users are authentic and that they have provided a valid email address…..
Tag: Node.js
Build a scalable news aggregator
Building a scalable news aggregator involves multiple steps, including choosing appropriate technologies, scraping or pulling news data, storing it efficiently, processing it, and then serving it to users in a….
Trying to run React app without running npm install first
Attempting to run a React application without first installing dependencies with npm install (or yarn install) will always fail because your project lacks the required packages to function. Here’s what….
Not setting up proper fallbacks for missing environment variables
If you’re not setting up proper fallbacks for missing environment variables, it can lead to unexpected errors, especially in production environments. Here’s how to handle it effectively: 1. Importance of….
CORS issues due to incorrect API configuration
Resolving CORS Issues in API Configuration Cross-Origin Resource Sharing (CORS) errors are a common frustration when developing web applications that consume APIs. These issues arise due to browser security policies….
Attempting to use require() instead of import in ES module
The error occurs when you try to use CommonJS require() syntax in a file that’s using ES modules (typically indicated by “type”: “module” in package.json or .mjs extension). Here’s how….
NPM/Yarn dependency conflicts leading to build issues
Resolving NPM/Yarn Dependency Conflicts in React Projects Dependency conflicts are among the most frustrating build issues in JavaScript projects. Here’s a comprehensive guide to identifying and resolving these conflicts: Identifying….
How to implement JSON Web Token (JWT) authentication
JWT (JSON Web Token) is a compact, URL-safe means of representing claims to be transferred between two parties. It is widely used for authentication in web applications, particularly in Single….
Node version mismatch causing build failures
Solving Node Version Mismatch Build Failures Common Symptoms When your Node.js version doesn’t match project requirements, you may see: How to Fix Node Version Issues 1. Check Your Current Node….
Incorrect import/export causing SyntaxError: Unexpected token
Fixing “SyntaxError: Unexpected token” from Incorrect Import/Export Common Causes This error typically occurs when: Solutions by Scenario 1. Basic ES Module Syntax Correct: Incorrect: 2. For React Components Correct: Incorrect:….