IS Packages

Check if a Buffer/Uint8Array is a 7Z archive

Check if a Buffer/Uint8Array is a WEBM video

is it weekend yet?

A tiny component to detect the type of a variable

Can be parsed or not by whatwg url module.

Check if a number is a whole number.

Detect if your code is running on Windows 10.

Check if a buffer/Uint8Array is an XCF image

Check if value is iterable.

A simple, powerful package to determine if a Date object is of the day Wednesday.

A Node package to check whether number is odd

Check empty object, array, string,.. for nodejs

awesome js type detector,use to detect js object type

Check empty object, array, string,.. for nodejs

A partial to check whether an object is an array.

A partial to check whether an object is a plain object.

A partial to handle whether an object is present (not null and not undefined).

A partial to check whether an object is a string.

a naive test to see if JS source is a browserify bundle

Check if an element is a button