TypedArrayExt.rs

trait TypedArrayExt {
    fn set_info<'cx, C: Context<'cx>>(&self, cx: &mut C, info: Handle<'cx, JsObject>) -> NeonResult<()>;

    fn get_info<'cx, C: Context<'cx>>(&self, cx: &mut C) -> JsResult<'cx, JsObject> {
        let info = cx.empty_object();
        self.set_info(cx, info)?;
        Ok(info)
    }
}

impl<T: Binary> TypedArrayExt for JsTypedArray<T> {
    fn set_info<'cx, C: Context<'cx>>(&self, cx: &mut C, info: Handle<'cx, JsObject>) -> NeonResult<()> {
        let byte_offset = self.byte_offset(cx);
        let byte_offset = cx.number(byte_offset as u32);

        let len = self.len(cx);
        let len = cx.number(len as u32);

        let byte_length = self.byte_length(cx);
        let byte_length = cx.number(byte_length as u32);

        let buffer = self.buffer(cx);

        info.set(cx, "byteOffset", byte_offset)?;
        info.set(cx, "length", len)?;
        info.set(cx, "byteLength", byte_length)?;
        info.set(cx, "buffer", buffer)?;

        Ok(())
    }
}