node_api/value/
function.rs

1use node_api_system::napi_status;
2
3use crate::{
4	sys::{napi_callback_info, napi_create_function, napi_env, napi_value},
5	Env, Error, Result, Value,
6};
7use std::{mem::MaybeUninit, os::raw::c_char};
8
9pub struct Function<'a>(Value<'a>);
10
11impl<'a> Function<'a> {
12	pub(crate) fn from_value(value: Value) -> Function {
13		Function(value)
14	}
15
16	pub fn value(&self) -> Value<'a> {
17		self.0
18	}
19
20	pub fn env(&self) -> Env<'a> {
21		self.0.env()
22	}
23
24	pub fn new(
25		env: Env<'a>,
26		name: &str,
27		value: unsafe extern "C" fn(env: napi_env, info: napi_callback_info) -> napi_value,
28	) -> Result<Function<'a>> {
29		let value = unsafe {
30			let mut result = MaybeUninit::uninit();
31			let status = napi_create_function(
32				env.raw(),
33				name.as_ptr() as *const c_char,
34				name.len(),
35				Some(value),
36				std::ptr::null_mut(),
37				result.as_mut_ptr(),
38			);
39			if status != napi_status::napi_ok {
40				return Err(Error::from_last_node_api_error(env.raw(), status));
41			}
42			result.assume_init()
43		};
44		let value = Value::from_raw(env, value);
45		let value = Function(value);
46		Ok(value)
47	}
48}
node_api/value/function.rs

node_api/value/
function.rs
