Architecting Request Validation and Error Boundaries in Express
Learn how to implement a secure request validation pipeline in Express.js by separating parsing, validation, and execution boundaries to prevent business logic pollution.
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expressStructuring Pug Templates: Choosing Between Extends, Include, and Mixins
A technical guide on choosing between Pug's extends, include, and mixins for Node.js/Express applications to build maintainable, server-rendered layouts and components.
pugManaging Express Error Middleware: Arity and Order
Express identifies error handlers by function arity (4 arguments) and executes them in registration order. Learn how to structure your middleware stack and handle async errors.
Stopping Silent API Failures with JSON Schema Validation
Stop handling malformed API requests with manual if-statements. Learn how to use JSON Schema and AJV to implement declarative, high-performance validation for REST APIs.
jsonChoosing the Right Test Environment in Jest: VM Sandbox vs. Node
Decide between Jest's VM sandbox and the Node environment to balance test isolation against speed and native module compatibility.
jestStop Fighting the V8 Engine: How Hidden Classes Impact JS Performance
Learn how V8's Hidden Classes (Shapes) optimize JavaScript property access and why property assignment order can accidentally tank your application's performance.
Architecting FeathersJS Service Hooks as a Unified Enforcement Boundary
Avoid transport duplication by using FeathersJS service hooks as a unified enforcement boundary for validation and authorization across REST and real-time clients.
Rapid Prototyping with Glitch: Leveraging Live Collaboration and Instant Deployment
Learn how Glitch's instant deployment and live collaboration features eliminate the build-refresh cycle, enabling real-time pair programming and rapid prototyping.
glitchAchieving Zero-Downtime Node.js Deploys with PM2 Cluster Mode
Stop dropping requests during deployments. Learn how to use PM2 cluster mode and rolling reloads to achieve zero-downtime updates for Node.js apps.
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