Is this value a JS Date object? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
Test if a value is an arguments object.
Test if an object's own property is enumerable.
Assert that a Node-API value is a Node-API typed array.
Unbox a boxed JS primitive value.
Set a function's length property
Type check values
Is this value a JS Map? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
Determine if a value is an ES6 Symbol or not.
`Iterator.prototype`, or a shared object to use.
Get the ArrayBuffer out of a TypedArray, robustly.
`Array.prototype.concat`, but made safe by ignoring Symbol.isConcatSpreadable
Robustly get the [[Prototype]] of an object
An ES2015 spec-compliant `Function.prototype.name` shim
Get the byteLength out of a DataView, robustly.
Is this value a JS WeakRef? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
Power Assert in JavaScript
Test if a value is an ArrayBuffer.
Test if a value is an array-like object.
Is this value an ES BigInt?
Test if a value is an Error object.
Featherweight assert module
Get the byteOffset out of a DataView, robustly.
Return a function which tests if every element in an array-like object passes a test condition.