1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32

use crate::{api, prelude::*};
use std::{mem::MaybeUninit, os::raw::c_char};

#[derive(Copy, Clone, Debug)]
pub struct JsSymbol(pub(crate) JsValue);

impl JsSymbol {
    pub(crate) fn from_value(value: JsValue) -> JsSymbol {
        JsSymbol(value)
    }

    /// This API creates a JavaScript symbol value from a UTF8-encoded C string.
    /// The JavaScript symbol type is described in Section 19.4 of the ECMAScript Language Specification.
    pub fn new(env: NapiEnv) -> NapiResult<JsSymbol> {
        let value = napi_call!(=napi_create_symbol, env, std::ptr::null_mut());
        Ok(JsSymbol::from_value(JsValue::from_raw(env, value)))
    }

    /// Symbol with description.
    pub fn description(env: NapiEnv, desc: JsString) -> NapiResult<JsSymbol> {
        let value = napi_call!(=napi_create_symbol, env, desc.raw());
        Ok(JsSymbol::from_value(JsValue::from_raw(env, value)))
    }
}

napi_value_t!(JsSymbol);

impl NapiValueCheck for JsSymbol {
    fn check(&self) -> NapiResult<bool> {
        Ok(self.kind()? == NapiValuetype::Symbol)
    }
}