Bun is a complete JavaScript runtime written in Zig that is up to 4x faster than Node.js. This guide covers Bun's HTTP server, built-in SQLite, file I/O, test runner, and how to migrate TypeScript Node.js apps to Bun in 2024.
Deno 2.0 brings full Node.js and npm compatibility while keeping its security-first model, native TypeScript support, and built-in toolchain. This guide covers building TypeScript APIs with Deno, Oak framework, Deno KV, and deploying to Deno Deploy.
Deep dive into Bun''s production readiness, benchmarks against Node.js, and practical migration strategies with real compatibility gaps and when to migrate.
Run TypeScript without compilation: tsx vs ts-node vs Node.js --experimental-strip-types. Which tool wins depends on your code. Learn when to use each.
Master Zod for runtime validation of untrusted input. Learn schema patterns, parse vs safeParse, transformations, discriminated unions, environment validation, middleware, and API error formatting.