Type-check Packages

A little library for asserting types and values, with zero dependencies.

JS type check (TypeScript supported) functions like `isPlainObject() isArray()` etc. A simple & small integration.

Utilities to get and check variable types (isString, isPlainObject, isRegExp, etc)

Checks TypeScript types match expected values

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Facebook's PropTypes standalone extensible implementation for browser and server

An eslint plugin for inline codegen. Auto-fixes out of sync code, with presets for barrels, jsdoc to markdown and more.

Provides additional types for TypeScript.

Combines instance of operator and typeof operator in a way that works seamlessly with objects and literals.

immutable object validator

Yet Another Type Checker for JavaScript

Convenient type-checking in JavaScript

Utility for resolving and making values types safe

Utility library for checking the data type of a supplied parameter

A manageable and immutable validation library.

utility module, immutable type validator & Erlang/Elixir style guards ( but with every imaginable method ).

Type-check your function inputs with syntax like T(s, T.string, buf, Buffer, strings, T.list(T.string))

this package help to verify the type and characterstics of any variable provided

Run TS type-check and ignore certain errors in some files

Typesafety with strong inference