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Optional static type-checking for JavaScript.

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endpoint-tester Now Supports 12 Frameworks — Here's What Changed in Three Weeks

endpoint-tester Now Supports 12 Frameworks — Here's What Changed in Three Weeks

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4 min read
PHP Magic Methods to TypeScript Proxy: 5 Idioms That Translate

PHP Magic Methods to TypeScript Proxy: 5 Idioms That Translate

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8 min read
How I built freedivingbase on Cloudflare Workers, D1, and Astro

How I built freedivingbase on Cloudflare Workers, D1, and Astro

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3 min read
Template Literal Types Aren't Just for URLs

Template Literal Types Aren't Just for URLs

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8 min read
Conditional Types: When They Earn Their Complexity and When They Don't

Conditional Types: When They Earn Their Complexity and When They Don't

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7 min read
Branded Types in TypeScript: Cheap Type Safety You Should Already Be Using

Branded Types in TypeScript: Cheap Type Safety You Should Already Be Using

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8 min read
TypeScript's noUncheckedIndexedAccess: Turn It On, See What Breaks

TypeScript's noUncheckedIndexedAccess: Turn It On, See What Breaks

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8 min read
satisfies: The Operator That Made as Casts Mostly Obsolete

satisfies: The Operator That Made as Casts Mostly Obsolete

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8 min read
Module Augmentation in TypeScript: Three Patterns and One Foot-Gun

Module Augmentation in TypeScript: Three Patterns and One Foot-Gun

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10 min read
as const Is the Best Single Feature TypeScript Has Shipped in 5 Years

as const Is the Best Single Feature TypeScript Has Shipped in 5 Years

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8 min read
Wiring Prisma 7 into TanStack Start on Bun

Wiring Prisma 7 into TanStack Start on Bun

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1 min read
Guardrails reales para agentes autónomos después de que uno casi me destruye la infra

Guardrails reales para agentes autónomos después de que uno casi me destruye la infra

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8 min read
DeepClaude: combiné Claude Code con DeepSeek V4 Pro en mi loop de agentes y los números me desconcertaron

DeepClaude: combiné Claude Code con DeepSeek V4 Pro en mi loop de agentes y los números me desconcertaron

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9 min read
We Built a Voice AI Receptionist in 8 Weeks — Every Decision We Made and Why

We Built a Voice AI Receptionist in 8 Weeks — Every Decision We Made and Why

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8 min read
Extending my TypeScript auto-fix CLI to handle .filter(Boolean) narrowing issues

Extending my TypeScript auto-fix CLI to handle .filter(Boolean) narrowing issues

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1 min read
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