Best Practices

TypeScript has become the standard for serious JavaScript projects. Here are practical tips for making your TypeScript codebase robust and maintainable. Strict Mode: Always enable "strict": true in tsconfig.json. This enables all strict type-checking options and catches more errors at compile time. Discriminated Unions: Use discriminated unions for complex state management instead of optional properties: type State = | { status: 'loading' } | { status: 'success'; data: Data } | { status: 'error'; error: Error }; Utility Types: Master Partial<T>, Required<T>, Pick<T>, Omit<T>, Record<K,V> to write concise, maintainable types....

Security is every developer’s responsibility. This checklist covers essential steps to protect your web applications. OWASP Top 10: Familiarize yourself with the OWASP Top 10 vulnerabilities: Injection, Broken Authentication, Sensitive Data Exposure, XML External Entities, Broken Access Control, Security Misconfigurations, Cross-Site Scripting (XSS), Insecure Deserialization, Using Components with Known Vulnerabilities, and Insufficient Logging. Input Validation: Never trust user input. Validate on both client and server, use parameterized queries to prevent SQL injection, sanitize HTML to prevent XSS, and validate file uploads....