Test if an input value is a supported built-in ndarray data type string.
Test if a value is a complex typed array.
Test if an input value is a supported ndarray complex-valued floating-point data type.
Synchronous validation of a path existing either as a file or as a directory.
Detect native ArrayBuffer support.
Test if an input value is a supported array real-valued data type.
Test if an input value is a supported array signed integer data type.
Test if a value is iterator-like.
Test if an input value is a supported array real-valued floating-point data type.
Is this value a JS regex? Works cross-realm/iframe, and despite ES6 @@toStringTag
Determine if an ndarray data type can be safely cast or, for floating-point data types, downcast to another ndarray data type.
Test if a value is a BigInt.
Test if an input value is a supported ndarray real-valued data type.
Test if an input value is a supported ndarray index mode.
Is this value a JS String object or primitive? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
Test if a value is a URI.
Test if a value is undefined or null.
Determine if an ndarray data type can be cast to another ndarray data type according to a specified casting mode.
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 two arguments are the same value.
Test if an object's prototype chain contains a provided prototype.
Determine if an ndarray data type can be safely cast to another ndarray data type.
assert with status codes
Test if two double-precision floating-point numbers are the same value.