Lightweight, zero-dependency toolkit for building `isFoo` style type guards in TypeScript. Runtime-safe 🛡️, composable 🧩, and ergonomic ✨. npm -> https://www.npmjs.com/package/is-kit
open-source utility typescript validation is type-guards type-safe type-guard runtime-type-checking is-kit
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Updated
Nov 23, 2025 - TypeScript