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TypeScript

Optional static type-checking for JavaScript.

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Drizzle + Zod: A Type-Safe API in 200 Lines

Drizzle + Zod: A Type-Safe API in 200 Lines

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9 min read
From Resilience4j to TypeScript: Build the JVM Patterns You Already Know

From Resilience4j to TypeScript: Build the JVM Patterns You Already Know

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9 min read
The Strategy Pattern in TypeScript: Discriminated Unions Beat Subclasses

The Strategy Pattern in TypeScript: Discriminated Unions Beat Subclasses

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10 min read
Build a Saga Orchestrator in TypeScript with Effect

Build a Saga Orchestrator in TypeScript with Effect

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11 min read
Building a tRPC Router from First Principles

Building a tRPC Router from First Principles

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11 min read
Distributive Conditional Types: The Gateway to Advanced TS

Distributive Conditional Types: The Gateway to Advanced TS

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8 min read
Phantom Types in TypeScript: Stop Mixing Kilograms and Pounds at Compile Time

Phantom Types in TypeScript: Stop Mixing Kilograms and Pounds at Compile Time

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11 min read
Build a Circuit Breaker in TypeScript in 80 Lines

Build a Circuit Breaker in TypeScript in 80 Lines

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11 min read
A Token Bucket Rate Limiter: a 50-Line In-Memory + 95-Line Redis Variant in TypeScript

A Token Bucket Rate Limiter: a 50-Line In-Memory + 95-Line Redis Variant in TypeScript

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12 min read
The Observer Pattern in TypeScript: When You Don't Need RxJS

The Observer Pattern in TypeScript: When You Don't Need RxJS

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10 min read
TypeScript Project References: 11-Minute Builds Down to 3

TypeScript Project References: 11-Minute Builds Down to 3

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10 min read
Kotlin `apply` / `also` / `with` Don't Translate to TypeScript

Kotlin `apply` / `also` / `with` Don't Translate to TypeScript

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9 min read
The package.json exports Map Is the Most Important File You're Writing Wrong

The package.json exports Map Is the Most Important File You're Writing Wrong

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11 min read
Build a Type-Safe Event Bus in TypeScript

Build a Type-Safe Event Bus in TypeScript

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12 min read
Stop Writing `for` Loops in TypeScript. 2026 Way to Pipeline Data.

Stop Writing `for` Loops in TypeScript. 2026 Way to Pipeline Data.

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9 min read
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