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// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.
use core::ffi::c_void;use napi_sys::Status::napi_ok;use napi_sys::TypedarrayType::uint8_array;use napi_sys::*;use std::ptr;
extern "C" fn test_external(  env: napi_env,  _info: napi_callback_info,) -> napi_value {  let mut arraybuffer: napi_value = ptr::null_mut();  let mut external: Box<[u8; 4]> = Box::new([0, 1, 2, 3]);  assert!(    unsafe {      napi_create_external_arraybuffer(        env,        external.as_mut_ptr() as *mut c_void,        external.len(),        None,        ptr::null_mut(),        &mut arraybuffer,      )    } == napi_ok  );
  let mut typedarray: napi_value = ptr::null_mut();  assert!(    unsafe {      napi_create_typedarray(        env,        uint8_array,        external.len(),        arraybuffer,        0,        &mut typedarray,      )    } == napi_ok  );
  std::mem::forget(external); // Leak into JS land  typedarray}
pub fn init(env: napi_env, exports: napi_value) {  let properties =    &[crate::new_property!(env, "test_external\0", test_external)];
  unsafe {    napi_define_properties(env, exports, properties.len(), properties.as_ptr())  };}