Is this value a JS regex? Works cross-realm/iframe, and despite ES6 @@toStringTag
Test if an input value is an ndarray order.
Test if a value is an array-like object containing only integers.
Return a function which tests if every element in an array-like object passes a test condition.
Is this value a JS String object or primitive? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
Test if a value is undefined or null.
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 URI.
Test if a value is a complex typed array.
Return the index of the first element which equals a provided search element according to the same value algorithm.
Test if an input value is a supported ndarray complex-valued floating-point data type.
Test if an input value is a supported array real-valued floating-point data type.
Detect native function name 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.
Assert that two Node-API typed array data types are equal.
Number constructor.
Test if a value is a BigInt.
Return the prototype of a provided object.
Power Assert output formatter
Reinterpret a Complex64Array as a Float32Array.
Determine the specification defined classification of an object.
Rich matchers inspired by Hamcrest. Useful for generating helpful assertion failure messages in tests.
Test if an input value is a supported ndarray real-valued data type.