Is this value a JS Typed Array? This module works cross-realm/iframe, does not depend on `instanceof` or mutable properties, and despite ES6 Symbol.toStringTag.
Test if a value is an array-like object containing only integers.
Test if a value is undefined or null.
Test if a value is a URI.
Detect native BigInt support.
Detect native DataView support.
Determine if an ndarray data type can be safely cast to, or is of the same kind as, another ndarray data type.
Determine if an ndarray data type can be safely cast to another ndarray data type.
Synchronous validation of a path existing either as a file or as a directory.
Is this value a JS DataView? This module works cross-realm/iframe, does not depend on `instanceof` or mutable properties, and despite ES6 Symbol.toStringTag.
Test if a value is a complex typed array.
Is this value a JS regex? Works cross-realm/iframe, and despite ES6 @@toStringTag
Test if an input value is a supported array real-valued floating-point data type.
Test if an input value is a supported ndarray complex-valued floating-point data type.
Test if two double-precision floating-point numbers are the same value.
Determine if an ndarray data type can be safely cast or, for floating-point data types, downcast to another ndarray data type.
Determine if an ndarray data type can be cast to another ndarray data type according to a specified casting mode.
Test if an input value is a supported array real-valued data type.
Test if a value is a BigInt.
Test if an input value is a supported array signed integer data type.
Test whether two double-precision complex floating-point numbers are the same value.
Is this value a JS String object or primitive? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
Test if an input value is a supported ndarray real-valued data type.
Test if an object's prototype chain contains a provided prototype.