JavaScript Sorcery Newsletter
To stay sharp, sorcerers need to learn new spells. We'll show you our scrolls.
In our JavaScript Sorcery email series, we share tips & tricks about performance optimization, monitoring, and observability for your JavaScript & Node.js apps.
Previously in JavaScript Sorcery
We’ve written 137 high-quality JavaScript articles to date.
- Unit Testing in NestJS for Node Using Suites (Formerly Automock)
- Express for Node Error Handling and Tracking Done Right
- Beyond console.log: Smarter Debugging with Modern JavaScript Tooling
- Testing MongoDB in Node with the MongoDB Memory Server
- Using SQL in Node.js with Sequelize
- Performance and Stress Testing in Node.js
- What's New in Node.js 24
- Migrating A JavaScript Project from Prettier and ESLint to BiomeJS
- How To Write Unit Tests in Node.js Using Mocha
- An Introduction to JavaScript Bundler Rspack
- How to Choose Between SQL, Query Builders, and ORMs in Node.js
- Generating Tests from Recorded Data in Node.js
- Building Robust Data Synchronization Code in Node.js
- End-to-End Testing With TestCafe for Node.js
- Managing Asynchronous Operations in Node.js with AbortController
- Fuzz Testing REST APIs in Node.js
- AppSignal’s Top 5 JavaScript Posts in 2024
- A Deep Dive Into CommonJS and ES Modules in Node.js
- Unit Testing in Node.js With Jest
- Avoiding False Positives in Node.js Tests
- Streamlined Contract Testing in Node.js: A Simple and Achievable Approach
- Best Testing Practices in Node.js
- DynamoDB Single-Table Design with TypeScript
- Top 5 HTTP Request Libraries for Node.js
- How to Handle Errors in Next.js for Node With the App Router
- An Introduction to Unit Testing in Node.js
- Advanced Use Cases of the Node.js Native Test Runner
- Grokking DynamoDB with TypeScript
- Exploring the Node.js Native Test Runner
- Security Best Practices for Your Node.js Application
- How to Perform Data Validation in Node.js
- Develop a Serverless TypeScript API on AWS ECS with Fargate
- Cypress vs. Playwright for Node: A Head-to-Head Comparison
- Understanding Offset and Cursor-Based Pagination in Node.js
- Effective Testing in JavaScript
- What's New in Node.js 22
- When to Use Bun Instead of Node.js
- Measuring Node.js Performance in Production with Performance Hooks
- How to Implement Rate Limiting in Express for Node.js
- Building Serverless Apps with the AWS CDK Using TypeScript
- Node.js Performance APIs: An Introduction
- Top 8 Recent V8 in Node Updates
- Build an Idempotent API in Node.js with Redis
- Throttling a Kafka Queue in Node.js
- Dealing with CPU-bound Tasks in Node.js
- AppSignal’s Top 5 JavaScript Posts in 2023
- Server-side Rendering with Next.js, React, and TypeScript
- An Introduction to Profiling in Node.js
- How to Optimize MongoDB Performance for Node.js
- How to Use Timeouts in Node.js
- What Do Deno and Bun Bring to the Table?
- What's New in Node.js 21
- AWS Step Functions with Node.js: Build an API
- Deploy and Test AWS Step Functions with Node.js
- When to Use Playwright Over Puppeteer in Node.js
- Job Schedulers for Node: Bull or Agenda?
- Tracking Errors in a Node.js Application
- Pitfalls to Avoid in Playwright for Node.js
- How to Use MongoDB and Mongoose with Node.js
- Track Errors in Fastify with AppSignal
- An Introduction to Playwright for Node.js
- Multithreading with Worker Threads in Node.js
- Migrate Your Express Application to Fastify
- Puppeteer in Node.js: More Antipatterns to Avoid
- Designing a Scalable Backend in Node.js
- Set Up Tracing for a Node.js Application on AppSignal
- Advanced Fastify: Hooks, Middleware, and Decorators
- An Introduction to Async Stack Traces in Node.js
- A Guide to Handling Errors in Preact
- Getting Started with Fastify for Node.js
- Node.js Pitfalls to Avoid
- Monitor the Health of Your Node.js Application
- How to Build an Error Handling Layer in Node.js
- Track Errors in Your NestJS Application with AppSignal
- Puppeteer in Node.js: Common Mistakes to Avoid
- 5 Node.js Tools to Learn in 2023
- Secure Your AWS Lambdas with TypeScript
- AppSignal’s Top 5 Node.js posts in 2022
- Optimize Your AWS Lambdas with TypeScript
- Node.js Architecture Pitfalls to Avoid
- Node.js Error Handling: Tips and Tricks
- Node.js 19 Release: What’s New
- How to Handle Async Code in JavaScript
- What's New in Next.js 13
- AWS Lambdas with TypeScript: Improve the Dev Experience
- Deploy a Node.js and MongoDB Application to Heroku
- Minimize Heap Allocations in Node.js
- How to Build AWS Lambdas with TypeScript
- Secure Your Node.js App with JSON Web Tokens
- 4 Ways to Minimize Your Dependencies in Node.js
- Build a CRUD App with Node.js and MongoDB
- All You Need to Know about EdgeDB
- An Introduction to Multithreading in Node.js
- How to Test Side-Effects in Node.js
- How to Handle Errors in React
- Build a Data Access Layer with PostgreSQL and Node.js
- Node.js 18 Release: What's New
- What's New in React 18
- Principles of Object-oriented Programming in TypeScript
- Build Serverless APIs with Node.js and AWS Lambda
- A Complete Guide to Node.js Process Management with PM2
- Patterns and Anti-patterns in Node.js
- Dependency Injection in JavaScript: Write Testable Code Easily
- An Introduction to Deno: Is It Better than Node.js?
- Use Streams to Build High-Performing Node.js Applications
- How to Set Up a Node.js Project with TypeScript
- How to Migrate Your Blog from Gatsby to Next.js
- 7 Ways to Improve Node.js Performance at Scale
- A Guide to Load Testing Node.js APIs with Artillery
- What's New in Node.js 17
- How to Debug Cloudflare Workers with AppSignal
- Best Practices for Logging in Node.js
- Exploring Asynchronous Requests in Recoil
- TypeScript Compiler API: Improve API Integrations Using Code Generation
- How to Get Started with Prisma ORM for Node.js and PostgreSQL
- Node.js's Underrated Combo: Passport and CASL
- Powerful Caching with Redis for Node.js Applications
- Improving Node.js Application Performance With Clustering
- Top 5 JavaScript Blog Posts in 2020 from AppSignal
- Server-side Rendering in JavaScript: A Modern Approach
- JavaScript Internals: Garbage Collection
- Exploring Node.js Async Hooks
- Monitoring Any System with StatsD and AppSignal's Standalone Agent
- Node.js Resiliency Concepts: Recovery and Self-Healing
- Getting Started With Web Vitals in Next.js
- Security Best Practices for Node.js
- Node.js Resiliency Concepts: The Circuit Breaker
- A Deep Dive Into V8
- Building APIs With GraphQL in Your Node.js Application
- JavaScript Growing Pains: From 0 to 13,000 Dependencies
- Avoiding Memory Leaks in Node.js: Best Practices for Performance
- Ride Down Into JavaScript Dependency Hell
- Effective Profiling in Google Chrome
- Top 10 AppSignal Blog Posts in 2019
- JavaScript Errors: An Exceptional History - Part II
- JavaScript Errors: An Exceptional History
- JavaScript Iterators and Iterables
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