Test if a value is a number.
Test if a value is an object.
Test if a value is a Float32Array.
Detect native Buffer support.
Detect native Uint8Array support.
Detect native Uint32Array support.
Detect native Symbol support.
Return a function which tests if every element in an array passes a test condition.
Test if a value is an array of strings.
Assert that a Node-API value is a specified Node-API data type.
Test if a finite numeric value is an even number.
Test if a double-precision floating-point numeric value is positive zero.
Test if a finite numeric value is an odd number.
Test if a finite double-precision floating-point number is an integer.
Assert that two Node-API data types are equal.
C utilities for asserting that a Node-API call returns an "ok" status.
Test if a double-precision floating-point numeric value is negative zero.
Detect native generator function support.
Is this value a JS String object or primitive? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
Test if a single-precision floating-point numeric value is NaN.
Test if a value is NaN.
Test if a value is an Int32Array.
Test if a value is an array-like object.
Standard assertion utilities.