dioxus/packages/web/examples/timeout_count.rs

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2023-04-09 14:54:18 +00:00
// https://jakelazaroff.com/words/were-react-hooks-a-mistake/
use dioxus::prelude::*;
fn main() {
dioxus_web::launch(app);
}
fn app(cx: Scope) -> Element {
let count = use_ref(cx, || 0);
let started = use_state(cx, || false);
let start = move || {
if !*started.get() {
let count = count.clone(); // clone reference rather than value
let alert = move || gloo_dialogs::alert(&format!("Your score was {}!", count.read()));
gloo_timers::callback::Timeout::new(5_000, alert).forget();
}
started.set(true); // this cannot be done inside condition or infinite loop
};
cx.render(rsx! {
button {
onclick: move |_event| {
start();
*count.write() += 1;
},
// format is needed as {count} does not seemed to work in `if` within content
if **started { format!("Current score: {}", count.write()) } else { "Start".to_string() }
}
})
}