Struct napi::JsFunction

pub struct JsFunction(_);

Implementations

impl JsFunction

See Working with JavaScript Functions.

Example:

use napi::{JsFunction, CallContext, JsNull, Result};

#[js_function(1)]
pub fn call_function(ctx: CallContext) -> Result<JsNull> {
  let js_func = ctx.get::<JsFunction>(0)?;
  let js_string = ctx.env.create_string("hello".as_ref())?.into_unknown()?;
  js_func.call(None, &[js_string])?;
  Ok(ctx.env.get_null()?)
}

pub fn call(
    &self,
    this: Option<&JsObject>,
    args: &[JsUnknown]
) -> Result<JsUnknown>

napi_call_function

impl JsFunction

pub fn into_unknown(self) -> Result<JsUnknown>

pub fn coerce_to_number(self) -> Result<JsNumber>

pub fn coerce_to_string(self) -> Result<JsString>

pub fn coerce_to_object(self) -> Result<JsObject>

pub fn is_date(&self) -> Result<bool>

impl JsFunction

pub fn from_raw_unchecked(env: napi_env, value: napi_value) -> Self

Trait Implementations

impl Debug for JsFunction

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl NapiValue for JsFunction

fn from_raw(env: napi_env, value: napi_value) -> Result<JsFunction>

fn raw_value(&self) -> napi_value