Type-safe config for TypeScript. Read typed values from any source, .env files, process.env, Workers bindings, browser bundles, or any object you bind. Zero runtime deps, one API across Node, Bun, Deno, Workers, and the browser.
postal-code-checker is a comprehensive JavaScript/TypeScript package for validating postal codes across multiple countries. It provides an easy-to-use API for country selection and postal code validation, making it ideal for forms and address validation in web applications.