Test if an input value is a supported built-in ndarray data type string.
Is this value a JS WeakSet? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
Test if two arguments are the same value.
Is this value a JS Set? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
assert with status codes
Is this value a JS WeakMap? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
ES2015-compliant shim for Object.is - differentiates between -0 and +0
Is this value a JS Boolean? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
ES2015-compliant shim for Number.isNaN - the global isNaN returns false positives.
Is this value negative zero? === will lie to you
Test if a position in a string marks the start of a UTF-16 surrogate pair.
Test if an input value is a supported ndarray unsigned integer data type.
Test if a value is an empty collection.
Is this value a JS Number object? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
Test if an ndarray is read-only.
typesafe assertion library for TypeScript 3.7+
Is this value a JS Date object? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
Returns true if a value has the characteristics of a valid JavaScript data descriptor.
Robustly get the length of a Typed Array
Determine if a value is an ES6 Symbol or not.
Test if an input value is a supported ndarray real-valued floating-point data type.
minimalistic-assert ===
Test whether two values are equal data types.
Which kind of boxed JS primitive is this?