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#[cfg(feature = "message-like-elm")]
mod app_with_message_like_elm;
#[cfg(feature = "message-like-elm")]
use app_with_message_like_elm as app;

#[cfg(not(feature = "message-like-elm"))]
mod app;

pub mod dom;
pub mod events;
#[macro_use]
pub mod macros;

use wasm_bindgen::UnwrapThrowExt;

pub mod prelude {
    pub use crate::app::*;
    pub use crate::dom::traits::*;

    pub use crate::dom::{ HasChildren, Node };
    pub use simi_macros::simi_app;
}

pub fn window() -> web_sys::Window {
    web_sys::window().expect_throw("web_sys::window()")
}

pub fn document() -> web_sys::Document {
    crate::window().document().expect_throw("crate::window().document()")
}


#[cfg(feature = "message-like-elm")]
pub fn interval<A, F>(ms: u32, main: &crate::app::WeakMain<A>, handler: F) -> timers::callback::Interval 
where 
    A: crate::app::Application,
    F: Fn() -> A::Message + 'static
{
    let main = main.clone();
    timers::callback::Interval::new(ms, move || main.send_message(handler()))
}