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use wasm_bindgen::{closure::Closure, JsCast};
thread_local!(static WINDOW: web_sys::Window = web_sys::window().expect("no global `window` exists"));
pub fn window() -> web_sys::Window {
WINDOW.with(|window| window.clone())
}
pub fn history() -> web_sys::History {
window().history().expect("should have a history object")
}
pub fn request_animation_frame<F>(f: F)
where
F: FnMut() + 'static,
{
let closure_raf: Closure<dyn FnMut() + 'static> = Closure::once(f);
window()
.request_animation_frame(closure_raf.as_ref().unchecked_ref())
.expect("should register `requestAnimationFrame` OK");
closure_raf.forget();
}
pub(crate) fn request_animation_frame_for_closure(f: &Closure<dyn FnMut()>) {
window()
.request_animation_frame(f.as_ref().unchecked_ref())
.expect("should register `requestAnimationFrame` OK");
}
thread_local!(static DOCUMENT: web_sys::Document = window().document().expect("should have a document on window"));
pub fn document() -> web_sys::Document {
DOCUMENT.with(|document| document.clone())
}
pub fn body() -> web_sys::HtmlElement {
document().body().expect("document should have a body")
}
pub fn performance() -> web_sys::Performance {
window()
.performance()
.expect("should have performance on window")
}
pub fn now() -> f64 {
performance().now()
}