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Say Goodbye to Redundant CLI Validation: Introducing Optique

2025-09-07

Tired of writing repetitive command-line argument validation code? The author shares their experience building the Optique library. Optique leverages parser combinators to directly parse command-line arguments into the expected type, eliminating the need for subsequent validation and avoiding issues like validation logic getting out of sync with options. TypeScript's type inference catches errors at compile time, significantly improving development efficiency and code reliability. While not a silver bullet, Optique dramatically reduces code and improves maintainability for complex CLI tools.

LogTape: A Library-First Approach to JavaScript Logging

2025-06-23

Logging in JavaScript libraries presents a challenge: providing useful debugging functionality while respecting user choices. LogTape offers a unique solution with a "library-first" design. It's completely transparent until logging is explicitly configured; no output or side effects occur otherwise. When enabled, all LogTape-enabled libraries are managed through a unified configuration system. It's zero-dependency, supports both ESM and CommonJS, works consistently across various runtimes, and boasts impressive performance. LogTape aims to provide developers with a more flexible and lightweight logging solution while respecting users' existing logging systems.