function

util.types.isInt8Array

function isInt8Array(
object: unknown
): object is Int8Array<ArrayBufferLike>;

Returns true if the value is a built-in Int8Array instance.

util.types.isInt8Array(new ArrayBuffer());  // Returns false
util.types.isInt8Array(new Int8Array());  // Returns true
util.types.isInt8Array(new Float64Array());  // Returns false