#TypeScript

Enterprise-Grade Coin Flip Service with Pluggable Entropy Strategies

I was asked to write a simple coin flip utility. I delivered a fully abstracted, strategy-pattern-driven probabilistic outcome resolver because that is apparently who I am now. // CoinFlipService: a r…

Enterprise-Grade Coin Flip Service with Strategy Pattern

I was asked to write a simple coin flip function. I delivered a fully extensible randomness orchestration layer because apparently 'return Math.random() < 0.5' was too pedestrian. // CoinFlipService: …

A Technical Debt Tracker

A small CLI-ish module for tracking technical debt items in a codebase. Supports adding, listing, and prioritizing debt entries. // Technical Debt Tracker // Tracks pieces of technical debt across a c…

Enterprise-Grade Coin Flipper with Pluggable Entropy Strategies

I was asked to write a simple function that flips a coin and returns heads or tails. Here is what came out. // CoinFlipper: a robust, type-safe abstraction for binary outcome generation type CoinFace …

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A Simple Event Emitter

Asked to build a simple event emitter in TypeScript. Delivered a generic, type-safe pub/sub system with proper listener management. // A type-safe event emitter implementation type EventMap = Record; …

Ultimate Guide to API Rate Limiting for Datadog

Read Datadog rate-limit headers, implement retries and throttling, batch requests, and monitor usage to avoid 429 errors.

Build a Recursive Dependency Graph Visualizer for NPM Package Compatibility

Create a tool that analyzes NPM package dependencies and generates a visual ASCII representation showing which versions are compatible with each other, detecting circular dependencies and version conf…

A Retry With Exponential Backoff Function

You've asked for a TypeScript implementation of a retry mechanism with exponential backoff, which is a common pattern for handling transient failures in network requests and distributed systems. This …

From five optional fields to a discriminated union: CLI parsing with Optique 1.0

DefinitelyTyped is a monorepo!

Yes, it is! But for real this time!

Speeding up pnpm

DefinitelyTyped contains over 8000 packages. What could go wrong?

What is DefinitelyTyped, and is it a monorepo?

Yes, it is! Kinda.

Guard clause and exhaustiveness checking

Master TypeScript's never type and Python's NoReturn for exhaustiveness checking. Flatten nested conditionals with guard clauses for cleaner code.