hyperandroid

// allocate a pointer to hold contents
let ptr: UnsafeMutableBufferPointer<UInt8> = UnsafeMutableBufferPointer<UInt8>.allocate(capacity: contents!.count)

// copy Data into ptr
contents?.withUnsafeBytes { (contentsPtr: UnsafePointer<UInt8>) -> Void in
    let _ = ptr.initialize(from: UnsafeBufferPointer(start: contentsPtr, count: contents!.count))
}

var exception : JSValueRef?
let deallocator: JSTypedArrayBytesDeallocator = { ptr, deallocatorContext in