2 unstable releases
new 0.2.0-alpha.1 | Nov 24, 2024 |
---|---|
0.1.0 | Jun 24, 2024 |
#1293 in GUI
34KB
62 lines
dioxus-use-computed
🦀🧠
Alternative to the built-in Dioxus hooks use_memo
and use_reactive
.
The main idea is to make resource-expensive computations in the most efficient way possible. Avoiding unnecessary rerenders and wrappers.
fn app() -> Element {
let mut value = use_signal(|| 2);
rsx!(
Counter {
value: value()
}
PrevCounter {
value: value()
}
CounterSignal {
value: value()
}
PrevCounterSignal {
value: value()
}
)
}
#[component]
fn Counter(value: usize) -> Element {
let double = use_computed(value, || value * 2);
rsx!( p { "Double: {double}" } )
}
#[component]
fn PrevCounter(value: usize) -> Element {
let double = use_computed_with_prev(value, |prev_value| prev_value.unwrap_or(value) * 2);
rsx!( p { "Previous Double: {double}" } )
}
#[component]
fn CounterSignal(value: usize) -> Element {
let double = use_computed_signal(value, || value * 2);
rsx!( p { "Double Signal: {double}" } )
}
#[component]
fn PrevCounterSignal(value: usize) -> Element {
let double = use_computed_signal_with_prev(value, |prev| prev.cloned().unwrap_or(value) * 2);
rsx!( p { "Previous Double Signal: {double}" } )
}
Dependencies
~3.5–9MB
~86K SLoC