JSPM

A node.js module to get, compare and check types

This library is to check for null and undefined values in JSON objects

js各种类型判断工具/A type tool for javascript

js各种类型判断工具/A type tool for javascript。 原typest归属账号neo***8迁移到本npm下。

Curried TypeScript type guards for primitive types and classes

has-empty-value is a package used to check the value is empty.

a practical custom toolkit

Curried TypeScript type guards for primitive types and classes

This library provides core functionalities for determining the type of a given object, supporting various JavaScript data types.

Helpful and useful javascript functions

The fast and reliable JS type-checking toolbox!

javascript类型判断

A comprehensive collection of basic utility functions and component for React ( React >= 18)

Curried TypeScript type guards for primitive types and classes

Check if the given value is of a specific type.

Javascript data type check true or false.

A very simple "typeof" detection

A utility function to fix and extend the built-in ''typeof'' operator of JavaScript.

A lightweight utility library for common JavaScript checks, including isEmpty, isNull, isNumber, isEmptyString, isArray, and isNaN. Useful for validation and data handling.

JSON isNull method

JavaScript library to check data types

A base class implementing basic value validators. E.g: isDefined, isNumber, etc... More validators to be added soon (isEmpty, isNull, isGreaterThan, isLessThan, isBoolean, isArray, etc...)

A small set of functions to check value against a specific type

Check if the parameter is null