Type-checker Packages

A small package for checking if a value is a certain type.

Simple and light-weight JavaScript type checker that brings convenience!

An utility to check if a value is a number (allowing string numbers optionally).

Check data type

A checker for types in typescript

library providing precise and in-depth type information for any JavaScript object, be it a primitive, built-in types, ES6/ES2020 types or custom class.

Provides type detection and analysis for ANY Javascript object (including custom types) in any environment, even where native operators falter.

Library for checking data values and type safety

Basic runtime type checking

Runtime Type Check for Typescript

Ezno as a plugin

A JavaScript library that checks whether the value is of a specific type

JS类型检查工具

Check your types at runtime with ESNext syntax by meta programing in node.js and browser with interfaces, strict object and more.

Runtime type-checking of any value in javascript

A collection of small utility functions to check variable types

A collection of "is"-style helpers to help solidify if something "is" something else. Has no dependencies and uses only raw JavaScript methodology.

TypeScript Library for safe type assertion

Check your types at runtime with ESNext syntax by meta programing in node.js and browser with interfaces, strict object and more.

it will return the type of any object