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TypeScript

Optional static type-checking for JavaScript.

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How we connect two strangers' webcams fast (and keep the TURN bill small)

How we connect two strangers' webcams fast (and keep the TURN bill small)

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7 min read
Stop Hand-Coding HTML Emails: JSX Templates, Multi-Provider Sending, One TypeScript Library

Stop Hand-Coding HTML Emails: JSX Templates, Multi-Provider Sending, One TypeScript Library

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13 min read
Why I moved my Transformers.js pipeline out of the chrome MV3 service worker and into an Offscreen Document

Why I moved my Transformers.js pipeline out of the chrome MV3 service worker and into an Offscreen Document

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2 min read
Next.js Environment Variables: The Complete Guide (2026)

Next.js Environment Variables: The Complete Guide (2026)

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3 min read
Migrating from Jest to Vitest 4: A Complete 2026 Guide

Migrating from Jest to Vitest 4: A Complete 2026 Guide

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6 min read
Hi, I'm Jonas — building a sports SaaS solo, in the open

Hi, I'm Jonas — building a sports SaaS solo, in the open

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2 min read
Give Your Agent a Type Signature: Contract-First Output Beats a Smarter Judge

Give Your Agent a Type Signature: Contract-First Output Beats a Smarter Judge

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4 min read
Building a production-ready SaaS dashboard in Next.js 16 — Recharts, TanStack Table, dark mode, and collapsible sidebar

Building a production-ready SaaS dashboard in Next.js 16 — Recharts, TanStack Table, dark mode, and collapsible sidebar

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2 min read
How to Build a Capability-First Model Portfolio in TypeScript

How to Build a Capability-First Model Portfolio in TypeScript

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1 min read
Stripe-connect-reckon – a read-only monitor for Stripe Connect balance risk

Stripe-connect-reckon – a read-only monitor for Stripe Connect balance risk

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1 min read
How to Handle Telegram Albums in Telegraf

How to Handle Telegram Albums in Telegraf

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1 min read
How to Handle Telegram Albums in grammY

How to Handle Telegram Albums in grammY

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1 min read
How to Use the any Type and When to Avoid It

How to Use the any Type and When to Avoid It

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8 min read
Why LaunchDarkly OpenFeature Migrations Break in Production

Why LaunchDarkly OpenFeature Migrations Break in Production

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3 min read
3 MCP servers I actually use daily (and how to set them up)

3 MCP servers I actually use daily (and how to set them up)

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1 min read
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