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TypeScript

Optional static type-checking for JavaScript.

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I Built a Browser App Store That Fetches GitHub Releases

I Built a Browser App Store That Fetches GitHub Releases

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1 min read
How I Added Unit Tests to a Next.js Project Using Vitest (and Why It Matters for Portfolio Projects)

How I Added Unit Tests to a Next.js Project Using Vitest (and Why It Matters for Portfolio Projects)

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5 min read
Spring Boot to NestJS: A Mental Model for Java Developers

Spring Boot to NestJS: A Mental Model for Java Developers

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8 min read
Stage 3 vs Legacy TypeScript Decorators in a NestJS App

Stage 3 vs Legacy TypeScript Decorators in a NestJS App

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8 min read
Mocking ESM in 2026: Vitest, Bun, and Node's mock.module

Mocking ESM in 2026: Vitest, Bun, and Node's mock.module

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9 min read
Quickly detecting JSON Escapes with SWAR

Quickly detecting JSON Escapes with SWAR

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5 min read
Stop Wrapping Errors in TypeScript. Use `cause` Instead.

Stop Wrapping Errors in TypeScript. Use `cause` Instead.

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7 min read
DeepClaude: I Combined Claude Code with DeepSeek V4 Pro in My Agent Loop and the Numbers Threw Me Off

DeepClaude: I Combined Claude Code with DeepSeek V4 Pro in My Agent Loop and the Numbers Threw Me Off

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8 min read
Introducing HCEL: The Most Fluent Way to Build AI Pipelines in TypeScript

Introducing HCEL: The Most Fluent Way to Build AI Pipelines in TypeScript

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7 min read
Bun Migrates from Zig to Rust: What My Real Benchmarks Say About Whether It Matters

Bun Migrates from Zig to Rust: What My Real Benchmarks Say About Whether It Matters

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7 min read
Bun migra de Zig a Rust: lo que mis benchmarks reales dicen sobre si el cambio importa

Bun migra de Zig a Rust: lo que mis benchmarks reales dicen sobre si el cambio importa

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8 min read
--isolatedDeclarations: The Build-Time Win for TS Library Authors

--isolatedDeclarations: The Build-Time Win for TS Library Authors

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9 min read
`Awaited<T>`, `ReturnType<T>`, `Parameters<T>`: When You're Reaching for the Wrong One

`Awaited<T>`, `ReturnType<T>`, `Parameters<T>`: When You're Reaching for the Wrong One

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9 min read
I Read All 520K Lines of Claude Code's Source — Here's the Architecture Behind It

I Read All 520K Lines of Claude Code's Source — Here's the Architecture Behind It

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14 min read
From JavaScript to TypeScript — Phase 1

From JavaScript to TypeScript — Phase 1

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3 min read
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