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winit-web: return immediately from run_app on web

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This avoids using JavaScript exceptions to support `EventLoop::run_app`
on the web, which is a huge hack, and doesn't work with the Exception
Handling Proposal for WebAssembly:
https://github.com/WebAssembly/exception-handling

This needs the application handler passed to `run_app` to be `'static`,
but that works better on iOS too anyhow (since you can't accidentally
forget to pass in state that then wouldn't be dropped when terminating).
This commit is contained in:
Mads Marquart 2025-03-17 04:49:58 +01:00 • committed by Kirill Chibisov
parent e8bccfff4f
commit f69b601abb
9 changed files with 81 additions and 102 deletions
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4
winit-web/src/web_sys/mod.rs
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@ -25,10 +25,6 @@ pub use self::resize_scaling::ResizeScaleHandle;
pub use self::safe_area::SafeAreaHandle;
pub use self::schedule::Schedule;
pub fn throw(msg: &str) {
wasm_bindgen::throw_str(msg);
}
pub struct PageTransitionEventHandle {
_show_listener: event_handle::EventListenerHandle<dyn FnMut(PageTransitionEvent)>,
_hide_listener: event_handle::EventListenerHandle<dyn FnMut(PageTransitionEvent)>,