wip: move examples around
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@@ -85,7 +85,7 @@ static AntipatternNestedFragments: FC<()> = |cx| {
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/// recognize from the function signature, but Dioxus will not update the "live" version of state. Calling `set_state`
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/// merely places a new value in the queue and schedules the component for a future update.
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static AntipaternRelyingOnSetState: FC<()> = |cx| {
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let (state, set_state) = use_state_classic(cx, || "Hello world");
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let (state, set_state) = use_state(cx, || "Hello world").classic();
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set_state("New state");
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// This will return false! `state` will *still* be "Hello world"
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assert!(state == &"New state");
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@@ -126,7 +126,7 @@ static AntipatternMisusedHooks: FC<MisuedHooksProps> = |cx| {
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if cx.should_render_state {
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// do not place a hook in the conditional!
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// prefer to move it out of the conditional
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let (state, set_state) = use_state_classic(cx, || "hello world");
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let (state, set_state) = use_state(cx, || "hello world").classic();
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rsx!(in cx, div { "{state}" })
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} else {
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rsx!(in cx, div { "Not rendering state" })
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@@ -3,10 +3,6 @@
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//!
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//! This is a simple pattern that allows you to return no elements!
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use dioxus::prelude::*;
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fn main() {}
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static Example: FC<()> = |cx| {
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//
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cx.render(rsx! {})
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};
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use dioxus::prelude::*;
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static Example: FC<()> = |cx| cx.render(rsx! { Fragment {} });
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@@ -35,11 +35,12 @@ static Example2: FC<()> = |cx| {
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// Using the `fragment` method on the NodeFactory
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static Example3: FC<()> = |cx| {
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cx.render(LazyNodes::new(move |fac: &NodeFactory| {
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fac.fragment_builder(None, |list| {
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list.add_child(fac.text(format_args!("A")))
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.add_child(fac.text(format_args!("B")))
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.finish()
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})
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cx.render(LazyNodes::new(move |fac| {
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fac.fragment_from_iter([
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fac.text(format_args!("A")),
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fac.text(format_args!("B")),
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fac.text(format_args!("A")),
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fac.text(format_args!("B")),
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])
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}))
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};
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@@ -2,11 +2,11 @@ use dioxus::prelude::*;
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fn main() {}
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static Example: FC<()> = |cx| {
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let (g, set_g) = use_state_classic(cx, || 0);
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let g = use_state(cx, || 0);
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let v = (0..10).map(|f| {
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rsx! {
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li {
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onclick: move |_| set_g(10)
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onclick: move |_| g.set(10)
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}
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}
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});
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@@ -11,11 +11,11 @@ fn main() {}
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/// We can use `set_name` in multiple closures; the closures automatically *copy* the reference to set_name.
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static ButtonList: FC<()> = |cx| {
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let (name, set_name) = use_state_classic(cx, || "...?");
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let name = use_state(cx, || "...?");
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let names = ["jack", "jill", "john", "jane"]
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.iter()
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.map(move |n| rsx!(button { onclick: move |_| set_name(n), "{n}" }));
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.map(move |n| rsx!(button { onclick: move |_| name.set(n), "{n}" }));
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cx.render(rsx!(
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div {
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@@ -16,7 +16,7 @@ struct DogApi {
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const ENDPOINT: &str = "https://dog.ceo/api/breeds/image/random";
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pub static App: FC<()> = |cx| {
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let doggo = use_future_effect(&cx, move || async move {
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let doggo = use_future_effect(cx, move || async move {
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match surf::get(ENDPOINT).recv_json::<DogApi>().await {
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Ok(res) => rsx!(in cx, img { src: "{res.message}" }),
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Err(_) => rsx!(in cx, div { "No doggos for you :(" }),
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@@ -31,29 +31,33 @@ pub static App: FC<()> = |cx| {
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))
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};
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use dioxus_core::virtual_dom::SuspendedContext;
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// use dioxus_core::virtual_dom::SuspendedContext;
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use futures::Future;
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use futures::FutureExt;
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use std::pin::Pin;
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fn use_fetch<'a, T: serde::de::DeserializeOwned + 'static>(
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cx: &impl Scoped<'a>,
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url: &str,
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g: impl FnOnce(SuspendedContext, surf::Result<T>) -> VNode<'a> + 'a,
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) -> VNode<'a> {
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// essentially we're doing a "use_effect" but with no dependent props or post-render shenanigans
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let fetch_promise = cx.use_hook(
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move || surf::get(url).recv_json::<T>().boxed_local(),
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// just pass the future through
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|p| p,
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|_| (),
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);
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cx.suspend(fetch_promise, g)
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fn use_fetch<'a, T, P, F>(cx: Context<P>, url: &str, g: F) -> VNode<'a>
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where
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T: serde::de::DeserializeOwned + 'static,
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// F: FnOnce(SuspendedContext, surf::Result<T>) -> VNode<'a> + 'a,
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F: FnOnce((), surf::Result<T>) -> VNode<'a> + 'a,
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{
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todo!()
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// // essentially we're doing a "use_effect" but with no dependent props or post-render shenanigans
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// let fetch_promise = cx.use_hook(
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// move || surf::get(url).recv_json::<T>().boxed_local(),
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// // just pass the future through
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// |p| p,
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// |_| (),
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// );
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// cx.suspend(fetch_promise, g)
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}
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/// Spawns the future only when the inputs change
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fn use_future_effect<'a, 'b, F: Future<Output = VNode<'b>>>(
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cx: &impl Scoped<'a>,
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g: impl FnOnce() -> F + 'a,
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) -> VNode<'a> {
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fn use_future_effect<'a, 'b, F, P, F2>(cx: Context<P>, g: F2) -> VNode<'a>
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where
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F: Future<Output = VNode<'b>>,
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F2: FnOnce() -> F + 'a,
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{
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todo!()
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}
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@@ -14,8 +14,15 @@ use dioxus::{builder::ElementBuilder, prelude::NodeFactory};
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fn main() {}
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// TODO
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struct MyEle<'a, 'b> {
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el: ElementBuilder<'a, 'b>,
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fac: &'b NodeFactory<'a>,
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mod dioxus_elements {
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use dioxus::prelude::DioxusElement;
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struct custom_element;
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impl DioxusElement for custom_element {
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const TAG_NAME: &'static str = "custom_element";
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const NAME_SPACE: Option<&'static str> = None;
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}
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// Re-export the normal html namespace
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pub use dioxus::prelude::dioxus_elements::*;
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}
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