Re-export the axum feature flag under "server" (#2786)

* re-export the axum feature flag under "server"
* remove the axum prefix from all the fullstack examples

packages/fullstack/examples/desktop/.gitignore

@@ -0,0 +1,4 @@
+dist
+target
+static
+.dioxus

packages/fullstack/examples/desktop/Cargo.toml

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+[package]
+name = "fullstack-desktop-example"
+version = "0.1.0"
+edition = "2021"
+publish = false
+
+[lib]
+
+[dependencies]
+dioxus = { workspace = true, features = ["launch", "fullstack"] }
+axum = { workspace = true, optional = true }
+tokio = { workspace = true, features = ["full"], optional = true }
+serde = "1.0.159"
+
+[features]
+default = []
+server = ["axum", "tokio", "dioxus/axum"]
+desktop = ["dioxus/desktop"]
+
+[[bin]]
+name = "client"
+path = "src/client.rs"
+required-features = ["desktop"]
+
+[[bin]]
+name = "server"
+path = "src/server.rs"
+required-features = ["server"]

packages/fullstack/examples/desktop/src/client.rs

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+// Run with:
+// ```bash
+// cargo run --bin client --features desktop
+// ```
+
+use fullstack_desktop_example::*;
+
+fn main() {
+    // Set the url of the server where server functions are hosted.
+    #[cfg(not(feature = "server"))]
+    dioxus::fullstack::prelude::server_fn::client::set_server_url("http://127.0.0.1:8080");
+
+    #[cfg(feature = "desktop")]
+    dioxus::prelude::launch_desktop(app)
+}

packages/fullstack/examples/desktop/src/lib.rs

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+#![allow(non_snake_case)]
+use dioxus::prelude::*;
+
+pub fn app() -> Element {
+    let mut count = use_signal(|| 0);
+    let mut text = use_signal(|| "...".to_string());
+
+    rsx! {
+        h1 { "High-Five counter: {count}" }
+        button { onclick: move |_| count += 1, "Up high!" }
+        button { onclick: move |_| count -= 1, "Down low!" }
+        button {
+            onclick: move |_| async move {
+                if let Ok(data) = get_server_data().await {
+                    println!("Client received: {}", data);
+                    text.set(data.clone());
+                    post_server_data(data).await.unwrap();
+                }
+            },
+            "Run a server function"
+        }
+        "Server said: {text}"
+    }
+}
+
+#[server(PostServerData)]
+async fn post_server_data(data: String) -> Result<(), ServerFnError> {
+    println!("Server received: {}", data);
+
+    Ok(())
+}
+
+#[server(GetServerData)]
+async fn get_server_data() -> Result<String, ServerFnError> {
+    Ok("Hello from the server!".to_string())
+}

packages/fullstack/examples/desktop/src/main.rs

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+#![allow(non_snake_case)]
+use dioxus::prelude::*;
+
+/// Run with `cargo run --features desktop`
+#[cfg(feature = "desktop")]
+fn main() {
+    // Set the url of the server where server functions are hosted.
+    dioxus::fullstack::prelude::server_fn::client::set_server_url("http://127.0.0.1:8080");
+
+    // And then launch the app
+    dioxus::prelude::launch_desktop(app);
+}
+
+/// Run with `cargo run --features server`
+#[cfg(all(feature = "server", not(feature = "desktop")))]
+#[tokio::main]
+async fn main() {
+    use server_fn::axum::register_explicit;
+
+    let listener = tokio::net::TcpListener::bind("127.0.0.01:8080")
+        .await
+        .unwrap();
+
+    register_explicit::<PostServerData>();
+    register_explicit::<GetServerData>();
+
+    axum::serve(
+        listener,
+        axum::Router::new()
+            .register_server_functions()
+            .into_make_service(),
+    )
+    .await
+    .unwrap();
+}
+
+pub fn app() -> Element {
+    let mut count = use_signal(|| 0);
+    let mut text = use_signal(|| "...".to_string());
+
+    rsx! {
+        h1 { "High-Five counter: {count}" }
+        button { onclick: move |_| count += 1, "Up high!" }
+        button { onclick: move |_| count -= 1, "Down low!" }
+        button {
+            onclick: move |_| async move {
+                if let Ok(data) = get_server_data().await {
+                    println!("Client received: {}", data);
+                    text.set(data.clone());
+                    post_server_data(data).await.unwrap();
+                }
+            },
+            "Run a server function"
+        }
+        "Server said: {text}"
+    }
+}
+
+#[server(PostServerData)]
+async fn post_server_data(data: String) -> Result<(), ServerFnError> {
+    println!("Server received: {}", data);
+
+    Ok(())
+}
+
+#[server(GetServerData)]
+async fn get_server_data() -> Result<String, ServerFnError> {
+    Ok("Hello from the server!".to_string())
+}

packages/fullstack/examples/desktop/src/server.rs

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+// Run with:
+// ```bash
+// cargo run --bin server --features server
+// ```
+
+use dioxus::prelude::*;
+use fullstack_desktop_example::*;
+use server_fn::axum::register_explicit;
+
+#[tokio::main]
+async fn main() {
+    let listener = tokio::net::TcpListener::bind("127.0.0.01:8080")
+        .await
+        .unwrap();
+
+    register_explicit::<PostServerData>();
+    register_explicit::<GetServerData>();
+
+    axum::serve(
+        listener,
+        axum::Router::new()
+            .register_server_functions()
+            .into_make_service(),
+    )
+    .await
+    .unwrap();
+}