Is Packages

Checks if the given value is null or undefined

Check if servers are reachable

Checks if the given value is a native function.

Check if an object is empty or not.

Set the `contents` property on a file object. Abstraction from vinyl-fs to support stream or non-stream usage.

Is given string a language code (as per IANA)

Validates if a value is a string primitive.

Validates if a value is a nonnegative integer.

Validates if a value is a number primitive, excluding NaN.

Validates if a value is a number primitive and an integer.

Validates if a value is array-like.

Validates if a value is a Buffer object.

Validates if a value is a positive integer.

Validates if a value is matrix-like.

Validates if a value is ndarray-like.

Check if the internet connection is up

Are these two values conceptually equal?

Set the `stat` property on a file object. Abstraction from vinyl-fs to support stream or non-stream usage.

Validates if a value is a function.

Checks if an input string is a capitalized or not.