dioxus_keys/
lib.rs

1use std::ops::{Deref, DerefMut};
2
3use dioxus_lib::prelude::*;
4
5mod macros;
6/// re exports for the macros to use
7pub mod re_exports;
8
9#[allow(async_fn_in_trait)]
10pub trait DataKey {
11    type Value: Clone + 'static;
12    async fn init();
13    async fn on_change();
14    async fn on_drop();
15    fn read() -> impl Deref<Target = Self::Value> {
16        Self::try_read().unwrap()
17    }
18    fn peek() -> impl Deref<Target = Self::Value> {
19        Self::try_read().unwrap()
20    }
21    fn write() -> impl DerefMut<Target = Self::Value> {
22        Self::try_write().unwrap()
23    }
24    fn try_read() -> Option<impl Deref<Target = Self::Value>>;
25    fn try_peek() -> Option<impl Deref<Target = Self::Value>>;
26    fn try_write() -> Option<impl DerefMut<Target = Self::Value>>;
27}
28
29pub fn use_init_key<K: DataKey<Value = V>, V>(_key: K) -> Resource<()> {
30    use_effect(move || {
31        let val = K::try_read();
32        if val.is_some() {
33            spawn(async { K::on_change().await });
34        }
35    });
36
37    use_drop(|| {
38        spawn(async { K::on_drop().await });
39    });
40
41    use_resource(|| async { K::init().await })
42}
dioxus_keys/lib.rs

dioxus_keys/
lib.rs
