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// Copyright 2018-2023 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())
};
}
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