LeonardandEvan Almloff
30a3283438
* Add `use_on_mount` and fix some typos * Optimize away UseOnMount struct * `use_on_mount`, `use_on_unmount` -> `use_on_create`, `use_on_destroy` * Make `use_on_unmount` deprecated --------- Co-authored-by: Evan Almloff <evanalmloff@gmail.com>
28 lines
768 B
Rust
28 lines
768 B
Rust
use dioxus_core::ScopeState;
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use std::cell::Cell;
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use std::future::Future;
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/// A hook that runs a future when the component is mounted.
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///
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/// This is just [`use_effect`](crate::use_effect), but with no dependencies.
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/// If you have no dependencies, it's recommended to use this, not just because it's more readable,
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/// but also because it's a tiny bit more efficient.
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pub fn use_on_create<T, F>(cx: &ScopeState, future: impl FnOnce() -> F)
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where
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T: 'static,
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F: Future<Output = T> + 'static,
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{
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let needs_regen = cx.use_hook(|| Cell::new(true));
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if needs_regen.get() {
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// We don't need regen anymore
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needs_regen.set(false);
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let fut = future();
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cx.push_future(async move {
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fut.await;
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});
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}
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}
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