A type guard library that safely validates and narrows JavaScript variables to TypeScript types. Works seamlessly in both Node.js and browser environments.
TypeScript guard suite
typescript guard utils of copiest
typescript guard tools
TypeScript Guard for a non-NaN value.
Enforce real-time token budgets and spending limits for OpenAI, Anthropic Claude, and Google Gemini API calls in Node.js
TypeScript Guard function for checking finite values.
TypeScript Guard function for checking integer number values.
Generate type guard functions from TypeScript interfaces
Shared useful utils and types
Prisma 2+ generator to emit Zod schemas from your Prisma schema
A safer `.hasOwnProperty()`
TypeScript compatible runtime type system for IO validation
Used to ensure modern CLI scripts fail silently on old js versions. Useful for static analysis tools and similar
A production-ready AST security guard for JavaScript - validate, protect, and enforce code safety with extensible rules
A parser that converts TypeScript source code into an ESTree compatible form
Navigation Guard for Next.js App Router and Pages Router.
TypeScript plugin for ESLint
A typescript custom guard to check the AppSync Identity of a certain type
An open-source SDK for AI agent safety
TypeScript scope analyser for ESLint
Utilities for working with TypeScript + ESLint together
Type utilities for working with TypeScript + ESLint together
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Guard::TypeScript automatically generates JavaScripts from your TypeScripts
Server-side Ruby port of Alap, the expression parser that turns curated link queries (.coffee + :time:7d:) into resolved link results. Ships the parser, URL sanitization, SSRF guard, regex validation, and config validation — same surface as the TypeScript, Go, Python, PHP, Java, and Rust ports.