switch to use_reactive

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Evan Almloff committed 2024-03-15 11:54:09 -05:00
1 parent b8c41efb54
commit df41df75d0
8 files changed
+138 -112

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+23 -35
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@@ -2,8 +2,7 @@ use dioxus_core::prelude::*;
use dioxus_signals::ReactiveContext;
use futures_util::StreamExt;
use crate::use_signal;
use dioxus_signals::*;
use crate::use_callback;
/// `use_effect` will subscribe to any changes in the signal values it captures
/// effects will always run after first mount and then whenever the signal values change
@@ -22,11 +21,31 @@ use dioxus_signals::*;
/// }
/// }
/// ```
///
/// ## With non-reactive dependencies
/// To add non-reactive dependencies, you can use the `use_reactive` hook.
///
/// Signals will automatically be added as dependencies, so you don't need to call this method for them.
///
/// ```rust
/// # use dioxus::prelude::*;
/// # async fn sleep(delay: u32) {}
///
/// #[component]
/// fn Comp(count: u32) -> Element {
/// // Because the memo subscribes to `count` by adding it as a dependency, the memo will rerun every time `count` changes.
/// use_effect(use_reactive((&count, |(count,)| println!("Manually manipulate the dom") )));
///
/// todo!()
/// }
/// ```
#[track_caller]
pub fn use_effect(mut callback: impl FnMut() + 'static) -> Effect {
pub fn use_effect(callback: impl FnMut() + 'static) -> Effect {
// let mut run_effect = use_hook(|| CopyValue::new(true));
// use_hook_did_run(move |did_run| run_effect.set(did_run));
let callback = use_callback(callback);
let location = std::panic::Location::caller();
use_hook(|| {
@@ -34,7 +53,7 @@ pub fn use_effect(mut callback: impl FnMut() + 'static) -> Effect {
spawn(async move {
loop {
// Run the effect
rc.run_in(&mut callback);
rc.run_in(&*callback);
// Wait for context to change
let _ = changed.next().await;
@@ -54,37 +73,6 @@ pub struct Effect {
}
impl Effect {
/// Adds an explicit dependency to the effect. If the dependency changes, the effect's closure will rerun.
///
/// Signals will automatically be added as dependencies, so you don't need to call this method for them.
///
/// NOTE: You must follow the rules of hooks when calling this method.
///
/// ```rust
/// # use dioxus::prelude::*;
/// # async fn sleep(delay: u32) {}
///
/// #[component]
/// fn Comp(delay: u32) -> Element {
/// // Because the effect subscribes to `delay` by adding it as a dependency, the effect's closure will rerun every time `delay` changes.
/// use_effect(move || {
/// println!("It is safe to manually manipulate the dom here");
/// })
/// .use_dependencies((&delay,));
///
/// todo!()
/// }
/// ```
pub fn use_dependencies(mut self, dependency: impl Dependency) -> Self {
let mut dependencies_signal = use_signal(|| dependency.out());
let changed = { dependency.changed(&*dependencies_signal.read()) };
if changed {
dependencies_signal.set(dependency.out());
self.mark_dirty();
}
self
}
/// Marks the effect as dirty, causing it to rerun on the next render.
pub fn mark_dirty(&mut self) {
self.rc.mark_dirty();