nyaomaru

nyaomaru/is-kit

Build small guards. Compose them. A lightweight, zero-dependency toolkit for building reusable TypeScript type guards that compose, refine, and preserve natural narrowing. Runtime-safe 🛡️, composable 🧩, and ergonomic ✨.

3 good first / help-wanted issues · TypeScript · last activity Oct 23, 2026

is is-kit open-source runtime-type-checking type-guard type-guards type-safe typescript utility validation
3 Open Issues Need Help Last updated: Oct 23, 2026

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good first issue
nyaomaru/is-kit
126

Build small guards. Compose them. A lightweight, zero-dependency toolkit for building reusable TypeScript type guards that compose, refine, and preserve natural narrowing. Runtime-safe 🛡️, composable 🧩, and ergonomic ✨.

TypeScript
#is#is-kit#open-source#runtime-type-checking#type-guard#type-guards#type-safe#typescript#utility#validation
nyaomaru/is-kit
126

Build small guards. Compose them. A lightweight, zero-dependency toolkit for building reusable TypeScript type guards that compose, refine, and preserve natural narrowing. Runtime-safe 🛡️, composable 🧩, and ergonomic ✨.

TypeScript
#is#is-kit#open-source#runtime-type-checking#type-guard#type-guards#type-safe#typescript#utility#validation
nyaomaru/is-kit
126

Build small guards. Compose them. A lightweight, zero-dependency toolkit for building reusable TypeScript type guards that compose, refine, and preserve natural narrowing. Runtime-safe 🛡️, composable 🧩, and ergonomic ✨.

TypeScript
#is#is-kit#open-source#runtime-type-checking#type-guard#type-guards#type-safe#typescript#utility#validation