Is-function Packages

is that thing a function? Use this module to find out

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

Check that given value is `GeneratorFunction`

A very limited subset of is-* functions I use every day

is type shorthands for fliphub, hundreds of type checks, modular exports

Invoke .apply if value is a function, otherwise, return default value.

Checks whether a value is a function or not.

Check that given value is Generator

Check whether a value is a `Generator` or `GeneratorFunction`. The `co` way, more strict checking. Always return boolean true or false, never null or undefined.

Check does the given Javascript Object is a function.

Type check in TypeScript

判断当前值是否为函数

A module that provide a function to detect a value is a function

ESNext type checker.

A lightweight tool to check variable types and other logical checks

@js-plus/is-function

Check does the given Javascript Object is a function.

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

An Angular Library, that gives you a hussle free experience on data operation using pipes

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