Is this value a JS Map? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
Detect native Float16Array support.
Is this value a JS WeakRef? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
Test if a value is a string having an uppercase first character.
Is this value an ES BigInt?
Test if an input value is a supported ndarray signed integer data type.
Test whether an input value is the string representing row-major order.
Return a normal number `y` and exponent `exp` satisfying `x = y * 2^exp`.
Type check values
What is the type of this builtin JS value?
Test if an input value is a supported ndarray floating-point data type.
Extra assertions on top of node's assert module
Test if an input value is a supported ndarray boolean data type.
Test if an input value is a supported ndarray integer data type.
Test if a value is a JavaScript primitive.
Generate string from a token array by interpolating values.
Robustly get the byte offset of a Typed Array
Test if an input value is a supported ndarray integer index data type.
Test if an input value is a supported ndarray boolean index data type.
Robustly get the byte length of a Typed Array
Is this an arguments object? It's a harder question than you think.
Test if an input value is a supported ndarray struct data type.
C APIs for registering a Node-API module exporting an interface for invoking a binary numerical function.
Test if a value is iterable-like.