IS Packages

Returns any kind of object's type.

Check if a `package-lock.json` is present in the working directory

Detect lockfiles in the working directory

Check if `npm-shrinkwrap.json` is present in the working directory

The simplest way for detecting HTML content.

Validates if a value is an array of arrays.

Validates if a value is undefined or null.

Is it a touchable device?

A tiny and fast dynamic type checker/enforcer library

Check if something is an ES7 async function

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

checks if event is key combo

Validates if a value is a positive integer array.

👺 weak but accurate type checking that returns a string representation of input's type

Checks if iterable starts with a prefix.

Checks if iterable has a subsequence.

Checks if iterable has a subsequence.

Checks if iterable ends with a suffix.

Checks if iterable starts with a prefix.

Checks if iterable ends with a suffix.