Type-check Packages

A helpful library allowing you to select particular entries from an array of objects.

utility for creating dictionary objects

A Set of `is` and `isNot` functions in JavaScript checking and testing on objects and types

A small library for checking types

Package for handling input restricted only to certain types.

typeof alternative

A little library for asserting types and values, with zero dependencies. Follower for check-types (archived).

Check for what you need. Mainly for framework developers

simple script to check type

Simple helpers to ensure uncertain interfaces in typescript

JavaScript library to check data types

Minimalistic predicate library

Check(ceq) and validate function arguments or any values in general. Simple to use and extend

A module to validate the data type in javascript.

immutable blanks

Smart and small type lib.

Comprehensive and flexible runtime type assertion

Check json value based of Typescript type in string

Tiny efficient type-checking library for use with Mithril.js with syntax similar to React.PropTypes.

Check if a value is a constructor function