Is Packages

Super lightweight JavaScript typecheck library

Validates if a value is an Int8Array.

Validates if a value exists on a specified interval.

Validates if a value is a specific length.

Validates if a value is less than a comparator value.

Validates if a value is a logical array.

Validates if a value matches any one of a set of specified values.

Validates if a value is a matrix.

Validates if a value is a negative integer.

Validates if a value is a negative integer array.

Validates if a value is negative zero.

Validates if a value is a nonpositive integer.

Validates if a value is a nonpositive integer array.

Validates if a value is an alphagram.

Validates if a value is a boolean array.

Validates if a value is an array of boolean primitives.

Validates if a value is a hexadecimal color.

Validates if a value is empty.

Validates if a value is a finite number.

Validates if a value is a float.