FURYBEE CODE
Software craftsmanship resources — principles, patterns, and techniques to write better code.
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Principle of Least Astonishment: Write Predictable Code
The Principle of Least Astonishment (or Surprise) states that the result of an operation should be obvious, consistent, and predictable. Learn why surprising code leads to bugs.
TypeScript Type Safety Beyond Basics
Advanced TypeScript techniques for bulletproof type safety — branded types, discriminated unions, template literals, and conditional types with practical examples.
Separation of Concerns: The Foundation of Clean Architecture
Separation of Concerns is a design principle for separating a computer program into distinct sections. Learn how this core idea underpins almost every major software architecture.
Mutation Testing: Are Your Tests Actually Testing Anything?
Your tests pass with 100% code coverage. But does that mean your tests are good? Mutation testing helps you answer this question by changing your code and seeing if your tests fail.
Property-Based Testing: Let the Computer Write Your Test Cases
Example-based testing is great, but it can't cover every edge case. Property-based testing generates hundreds of random test cases to find bugs you never thought to look for.
Effective Error Handling Patterns
Practical error handling patterns that make code more robust — from custom error hierarchies and Result types to error boundaries and retry strategies.
⟨/⟩ Scripts & Configs
CI/CD Quality Gate Config
A GitHub Actions workflow that enforces code quality gates — linting, type checking, tests, coverage thresholds, and build verification before merging.
Docker Dev Environment Template
A Docker Compose development environment template with hot reload, database, Redis, and Mailpit — ready for any Node.js/TypeScript project.
Python Clean Code Checker
A Python script that runs multiple code quality tools — mypy, ruff, bandit, and radon — and generates a unified quality report.
Git Hook for Conventional Commits
A commit-msg Git hook that enforces the Conventional Commits specification — validates type, scope, and message format with clear error messages.
Dead Code Finder
A script that detects unused exports, unreferenced files, and dead code in TypeScript projects using the TypeScript compiler API.
Code Complexity Analyzer Script
A Node.js script that analyzes cyclomatic complexity, cognitive complexity, and function length across a TypeScript/JavaScript codebase, generating a report of hotspots.
TypeScript Strict tsconfig Template
A maximally strict TypeScript configuration template that catches the most bugs at compile time — with explanations for every option.
Pre-commit Hooks for Code Quality
A Husky + lint-staged setup that runs linting, formatting, and type checking on every commit — catching issues before they reach CI.
Prettier Config Template
A battle-tested Prettier configuration for consistent code formatting across JavaScript, TypeScript, CSS, and Markdown projects.
ESLint Strict Config for Clean Code
A strict ESLint flat config that enforces clean code standards — no unused vars, consistent naming, limited complexity, and TypeScript best practices.