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TypeScript

Optional static type-checking for JavaScript.

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One Cloudflare Workers cron, many jobs: a per-minute tick with time branching

One Cloudflare Workers cron, many jobs: a per-minute tick with time branching

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3 min read
Introducing Slug API — Unicode URL slugs in one call, on the Cloudflare edge

Introducing Slug API — Unicode URL slugs in one call, on the Cloudflare edge

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2 min read
Token Budgeting: The Engineering Skill Nobody Talks About

Token Budgeting: The Engineering Skill Nobody Talks About

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10 min read
Five days with eventferry — MySQL, SQL Server, MSK IAM, and a core that didn't move

Five days with eventferry — MySQL, SQL Server, MSK IAM, and a core that didn't move

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8 min read
I Built a CLI to Stop Missing Env Vars from Breaking Deployments

I Built a CLI to Stop Missing Env Vars from Breaking Deployments

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4 min read
Type-safe Elasticsearch queries in TypeScript (and JavaScript) with elasticlink

Type-safe Elasticsearch queries in TypeScript (and JavaScript) with elasticlink

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5 min read
Generating Print-Ready PDFs in a Browser Is Harder Than It Looks

Generating Print-Ready PDFs in a Browser Is Harder Than It Looks

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2 min read
Building a production AI agent in TypeScript with Mastra: a 2026 step-by-step.

Building a production AI agent in TypeScript with Mastra: a 2026 step-by-step.

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7 min read
Building a production MCP server with NestJS

Building a production MCP server with NestJS

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6 min read
Knip Keeps My JS/TS Dependencies Honest (I Wish Python Had It)

Knip Keeps My JS/TS Dependencies Honest (I Wish Python Had It)

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2 min read
Stop Letting AI Write Security Bugs: Introducing "hallint"

AST analysis beats AI self-review

Stop Letting AI Write Security Bugs: Introducing "hallint"

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5 min read
You're rethrowing errors and losing context. `Error.cause` fixes that.

Watch out for the positional argument footgun

You're rethrowing errors and losing context. `Error.cause` fixes that.

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4 min read
I Looked Under the Hood of a Fintech Backend and Found Debits That Did Not Match Credits

I Looked Under the Hood of a Fintech Backend and Found Debits That Did Not Match Credits

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4 min read
Supercharge Your React Apps: Introducing 5 New Native API Hooks in react-hook-lab

Supercharge Your React Apps: Introducing 5 New Native API Hooks in react-hook-lab

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2 min read
I built an open-source MCP server that gives any AI assistant live NSE + BSE stock data

I built an open-source MCP server that gives any AI assistant live NSE + BSE stock data

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4 min read
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