More fullstack fixes (#4737)

* allow `--server` only builds!

* rollback example

* capture `/:route` routes

* fix: properly implement file uploads in forms

* implement desktop form uploads

* Performant serialization of form bytes

* finish up file stuff

* cleanups

* add request headers to streaming context

* remove some unwraps

Cargo.lock

@@ -14089,6 +14089,7 @@ dependencies = [
  "js-sys",
  "log",
  "mime",
+ "mime_guess",
  "native-tls",
  "percent-encoding",
  "pin-project-lite",

examples/07-fullstack/multipart_form.rs

@@ -52,11 +52,14 @@ fn app() -> Element {
 #[post("/api/upload-multipart")]
 async fn upload(mut form: MultipartFormData) -> Result<()> {
     while let Ok(Some(field)) = form.next_field().await {
+        let name = field.name().unwrap_or("<none>").to_string();
+        let file_name = field.file_name().unwrap_or("<none>").to_string();
+        let content_type = field.content_type().unwrap_or("<none>").to_string();
+        let size = field.bytes().await.unwrap().len();
+
         info!(
-            "Field name: {:?}, filename: {:?}, content_type: {:?}",
-            field.name().to_owned(),
-            field.file_name(),
-            field.content_type(),
+            "Field name: {:?}, filename: {:?}, content_type: {:?}, size: {:?}",
+            name, file_name, content_type, size
         );
     }
 

examples/07-fullstack/server_state.rs

@@ -17,6 +17,7 @@ Option 1:
 For simple, synchronous, thread-safe data, we can use statics with atomic types or mutexes.
 The `LazyLock` type from the standard library is a great choice for simple, synchronous data
 */
+#[cfg(feature = "server")]
 static MESSAGES: LazyLock<Mutex<Vec<String>>> = LazyLock::new(|| Mutex::new(Vec::new()));
 
 #[post("/api/messages")]

examples/08-apis/form.rs

@@ -4,15 +4,14 @@
 //! in the "values" field.
 
 use dioxus::prelude::*;
-use std::collections::HashMap;
 
 fn main() {
     dioxus::launch(app);
 }
 
 fn app() -> Element {
-    let mut values = use_signal(HashMap::new);
-    let mut submitted_values = use_signal(HashMap::new);
+    let mut values = use_signal(Vec::new);
+    let mut submitted_values = use_signal(Vec::new);
 
     rsx! {
         div { style: "display: flex",
@@ -63,7 +62,7 @@ fn app() -> Element {
                     input { r#type: "text", name: "full-name" }
 
                     label { r#for: "email", "Email (matching <name>@example.com)" }
-                    input { r#type: "email", pattern: ".+@example\\.com", size: "30", required: "true", id: "email", name: "email" }
+                    input { r#type: "email", size: "30", id: "email", name: "email" }
 
                     label { r#for: "password", "Password" }
                     input { r#type: "password", name: "password" }
@@ -122,6 +121,9 @@ fn app() -> Element {
                         input { r#type: "checkbox", name: "cbox", value: "yellow", id: "cbox-yellow" }
                     }
 
+                    // File input
+                    label { r#for: "headshot", "Headshot" }
+                    input { r#type: "file", name: "headshot", id: "headshot", multiple: true, accept: ".png,.jpg,.jpeg" }
 
                     // Buttons will submit your form by default.
                     button { r#type: "submit", value: "Submit", "Submit the form" }

packages/cli/src/build/builder.rs

@@ -154,19 +154,20 @@ impl AppBuilder {
     }
 
     /// Create a new `AppBuilder` and immediately start a build process.
-    pub fn started(request: &BuildRequest, mode: BuildMode) -> Result<Self> {
+    pub fn started(request: &BuildRequest, mode: BuildMode, build_id: BuildId) -> Result<Self> {
         let mut builder = Self::new(request)?;
-        builder.start(mode);
+        builder.start(mode, build_id);
         Ok(builder)
     }
 
-    pub(crate) fn start(&mut self, mode: BuildMode) {
+    pub(crate) fn start(&mut self, mode: BuildMode, build_id: BuildId) {
         self.build_task = tokio::spawn({
             let request = self.build.clone();
             let tx = self.tx.clone();
             async move {
                 let ctx = BuildContext {
                     mode,
+                    build_id,
                     tx: tx.clone(),
                 };
                 request.verify_tooling(&ctx).await?;
@@ -290,10 +291,12 @@ impl AppBuilder {
         update
     }
 
-    pub(crate) fn patch_rebuild(&mut self, changed_files: Vec<PathBuf>) {
+    pub(crate) fn patch_rebuild(&mut self, changed_files: Vec<PathBuf>, build_id: BuildId) {
         // We need the rustc args from the original build to pass to the new build
         let Some(artifacts) = self.artifacts.as_ref().cloned() else {
-            tracing::warn!("Ignoring patch rebuild since there is no existing build.");
+            tracing::warn!(
+                "Ignoring patch rebuild for {build_id:?} since there is no existing build."
+            );
             return;
         };
 
@@ -327,6 +330,7 @@ impl AppBuilder {
         self.build_task = tokio::spawn({
             let request = self.build.clone();
             let ctx = BuildContext {
+                build_id,
                 tx: self.tx.clone(),
                 mode: BuildMode::Thin {
                     changed_files,
@@ -340,7 +344,7 @@ impl AppBuilder {
     }
 
     /// Restart this builder with new build arguments.
-    pub(crate) fn start_rebuild(&mut self, mode: BuildMode) {
+    pub(crate) fn start_rebuild(&mut self, mode: BuildMode, build_id: BuildId) {
         // Abort all the ongoing builds, cleaning up any loose artifacts and waiting to cleanly exit
         // And then start a new build, resetting our progress/stage to the beginning and replacing the old tokio task
         self.abort_all(BuildStage::Restarting);
@@ -351,6 +355,7 @@ impl AppBuilder {
             let ctx = BuildContext {
                 tx: self.tx.clone(),
                 mode,
+                build_id,
             };
             async move { request.build(&ctx).await }
         });

packages/cli/src/build/context.rs

@@ -16,6 +16,7 @@ use std::{path::PathBuf, process::ExitStatus};
 pub struct BuildContext {
     pub tx: ProgressTx,
     pub mode: BuildMode,
+    pub build_id: BuildId,
 }
 
 pub type ProgressTx = UnboundedSender<BuilderUpdate>;
@@ -24,8 +25,8 @@ pub type ProgressRx = UnboundedReceiver<BuilderUpdate>;
 #[derive(Debug, Clone, Copy, PartialEq, Eq, Deserialize, Serialize)]
 pub struct BuildId(pub(crate) usize);
 impl BuildId {
-    pub const CLIENT: Self = Self(0);
-    pub const SERVER: Self = Self(1);
+    pub const PRIMARY: Self = Self(0);
+    pub const SECONDARY: Self = Self(1);
 }
 
 #[allow(clippy::large_enum_variant)]
@@ -78,6 +79,12 @@ pub enum BuilderUpdate {
 }
 
 impl BuildContext {
+    /// Returns true if this is a client build - basically, is this the primary build?
+    /// We try not to duplicate work between client and server builds, like asset copying.
+    pub(crate) fn is_primary_build(&self) -> bool {
+        self.build_id == BuildId::PRIMARY
+    }
+
     pub(crate) fn status_wasm_bindgen_start(&self) {
         _ = self.tx.unbounded_send(BuilderUpdate::Progress {
             stage: BuildStage::RunningBindgen,

packages/cli/src/build/pre_render.rs

@@ -45,7 +45,7 @@ pub(crate) async fn pre_render_static_routes(
         devserver_ip,
         Some(fullstack_address),
         false,
-        BuildId::SERVER,
+        BuildId::SECONDARY,
     );
     // Run the server executable
     let _child = Command::new(&server_exe)

packages/cli/src/build/request.rs

@@ -320,9 +320,9 @@
 //! - xbuild: <https://github.com/rust-mobile/xbuild/blob/master/xbuild/src/command/build.rs>
 
 use crate::{
-    AndroidTools, BuildContext, BundleFormat, DioxusConfig, Error, LinkAction, LinkerFlavor,
-    Platform, Renderer, Result, RustcArgs, TargetArgs, TraceSrc, WasmBindgen, WasmOptConfig,
-    Workspace, DX_RUSTC_WRAPPER_ENV_VAR,
+    AndroidTools, BuildContext, BuildId, BundleFormat, DioxusConfig, Error, LinkAction,
+    LinkerFlavor, Platform, Renderer, Result, RustcArgs, TargetArgs, TraceSrc, WasmBindgen,
+    WasmOptConfig, Workspace, DX_RUSTC_WRAPPER_ENV_VAR,
 };
 use anyhow::{bail, Context};
 use cargo_metadata::diagnostic::Diagnostic;
@@ -445,7 +445,6 @@ pub enum BuildMode {
 #[derive(Clone, Debug)]
 pub struct BuildArtifacts {
     pub(crate) root_dir: PathBuf,
-    pub(crate) bundle: BundleFormat,
     pub(crate) exe: PathBuf,
     pub(crate) direct_rustc: RustcArgs,
     pub(crate) time_start: SystemTime,
@@ -454,6 +453,7 @@ pub struct BuildArtifacts {
     pub(crate) mode: BuildMode,
     pub(crate) patch_cache: Option<Arc<HotpatchModuleCache>>,
     pub(crate) depinfo: RustcDepInfo,
+    pub(crate) build_id: BuildId,
 }
 
 impl BuildRequest {
@@ -989,10 +989,10 @@ impl BuildRequest {
         _ = std::fs::File::create_new(self.windows_command_file());
 
         if !matches!(ctx.mode, BuildMode::Thin { .. }) {
-            self.prepare_build_dir()?;
+            self.prepare_build_dir(ctx)?;
         }
 
-        if self.bundle == BundleFormat::Server {
+        if !ctx.is_primary_build() {
             return Ok(());
         }
 
@@ -1250,7 +1250,6 @@ impl BuildRequest {
         let assets = self.collect_assets(&exe, ctx).await?;
         let time_end = SystemTime::now();
         let mode = ctx.mode.clone();
-        let bundle = self.bundle;
         let depinfo = RustcDepInfo::from_file(&exe.with_extension("d")).unwrap_or_default();
 
         tracing::debug!(
@@ -1261,7 +1260,6 @@ impl BuildRequest {
 
         Ok(BuildArtifacts {
             time_end,
-            bundle,
             exe,
             direct_rustc,
             time_start,
@@ -1270,6 +1268,7 @@ impl BuildRequest {
             depinfo,
             root_dir: self.root_dir(),
             patch_cache: None,
+            build_id: ctx.build_id,
         })
     }
 
@@ -1460,7 +1459,7 @@ impl BuildRequest {
     /// Should be the same on all platforms - just copy over the assets from the manifest into the output directory
     async fn write_assets(&self, ctx: &BuildContext, assets: &AssetManifest) -> Result<()> {
         // Server doesn't need assets - web will provide them
-        if self.bundle == BundleFormat::Server {
+        if !ctx.is_primary_build() {
             return Ok(());
         }
 
@@ -4320,14 +4319,14 @@ __wbg_init({{module_or_path: "/{}/{wasm_path}"}}).then((wasm) => {{
     /// - extra scaffolding
     ///
     /// It's not guaranteed that they're different from any other folder
-    pub(crate) fn prepare_build_dir(&self) -> Result<()> {
+    pub(crate) fn prepare_build_dir(&self, ctx: &BuildContext) -> Result<()> {
         use std::fs::{create_dir_all, remove_dir_all};
         use std::sync::OnceLock;
 
         static INITIALIZED: OnceLock<Result<()>> = OnceLock::new();
 
         let success = INITIALIZED.get_or_init(|| {
-            if self.bundle != BundleFormat::Server {
+            if ctx.is_primary_build() {
                 _ = remove_dir_all(self.exe_dir());
             }
 

packages/cli/src/cli/build.rs

@@ -1,8 +1,8 @@
 use dioxus_dx_wire_format::StructuredBuildArtifacts;
 
 use crate::{
-    cli::*, Anonymized, AppBuilder, BuildArtifacts, BuildMode, BuildRequest, BundleFormat,
-    TargetArgs, Workspace,
+    cli::*, Anonymized, AppBuilder, BuildArtifacts, BuildId, BuildMode, BuildRequest, BundleFormat,
+    Platform, TargetArgs, Workspace,
 };
 
 /// Build the Rust Dioxus app and all of its assets.
@@ -128,6 +128,10 @@ impl CommandWithPlatformOverrides<BuildArgs> {
                         BuildRequest::new(&server_args.build_arguments, workspace.clone()).await?,
                     );
                 }
+                None if client_args.platform == Platform::Server => {
+                    // If the user requests a server build with `--server`, then we don't need to build a separate server binary.
+                    // There's no client to use, so even though fullstack is true, we only build the server.
+                }
                 None => {
                     let mut args = self.shared.build_arguments.clone();
                     args.platform = crate::Platform::Server;
@@ -171,7 +175,7 @@ impl CommandWithPlatformOverrides<BuildArgs> {
         request: &BuildRequest,
         mode: BuildMode,
     ) -> Result<BuildArtifacts> {
-        AppBuilder::started(request, mode)?
+        AppBuilder::started(request, mode, BuildId::PRIMARY)?
             .finish_build()
             .await
             .inspect(|_| {
@@ -189,7 +193,7 @@ impl CommandWithPlatformOverrides<BuildArgs> {
         };
 
         // If the server is present, we need to build it as well
-        let mut server_build = AppBuilder::started(server, mode)?;
+        let mut server_build = AppBuilder::started(server, mode, BuildId::SECONDARY)?;
         let server_artifacts = server_build.finish_build().await?;
 
         // Run SSG and cache static routes

packages/cli/src/cli/bundle.rs

@@ -1,4 +1,4 @@
-use crate::{AppBuilder, BuildArgs, BuildMode, BuildRequest, BundleFormat};
+use crate::{AppBuilder, BuildArgs, BuildId, BuildMode, BuildRequest, BundleFormat};
 use anyhow::{bail, Context};
 use path_absolutize::Absolutize;
 use std::collections::HashMap;
@@ -40,7 +40,8 @@ impl Bundle {
         let BuildTargets { client, server } = self.args.into_targets().await?;
 
         let mut server_artifacts = None;
-        let client_artifacts = AppBuilder::started(&client, BuildMode::Base { run: false })?
+        let client_artifacts =
+            AppBuilder::started(&client, BuildMode::Base { run: false }, BuildId::PRIMARY)?
                 .finish_build()
                 .await?;
 
@@ -49,7 +50,7 @@ impl Bundle {
         if let Some(server) = server.as_ref() {
             // If the server is present, we need to build it as well
             server_artifacts = Some(
-                AppBuilder::started(server, BuildMode::Base { run: false })?
+                AppBuilder::started(server, BuildMode::Base { run: false }, BuildId::SECONDARY)?
                     .finish_build()
                     .await?,
             );

packages/cli/src/cli/hotpatch.rs

@@ -1,5 +1,5 @@
 use crate::{
-    platform_override::CommandWithPlatformOverrides, AppBuilder, BuildArgs, BuildMode,
+    platform_override::CommandWithPlatformOverrides, AppBuilder, BuildArgs, BuildId, BuildMode,
     HotpatchModuleCache, Result, StructuredOutput,
 };
 use anyhow::Context;
@@ -34,8 +34,16 @@ impl HotpatchTip {
     pub async fn run(self) -> Result<StructuredOutput> {
         let targets = self.build_args.into_targets().await?;
 
+        let patch_server = self.patch_server.unwrap_or(false);
+
+        let build_id = if patch_server {
+            BuildId::SECONDARY
+        } else {
+            BuildId::PRIMARY
+        };
+
         // Select which target to patch
-        let request = if self.patch_server.unwrap_or_default() {
+        let request = if patch_server {
             targets.server.as_ref().context("No server to patch!")?
         } else {
             &targets.client
@@ -68,7 +76,9 @@ impl HotpatchTip {
             cache: cache.clone(),
         };
 
-        let artifacts = AppBuilder::started(request, mode)?.finish_build().await?;
+        let artifacts = AppBuilder::started(request, mode, build_id)?
+            .finish_build()
+            .await?;
         let patch_exe = request.patch_exe(artifacts.time_start);
 
         Ok(StructuredOutput::Hotpatch {

packages/cli/src/serve/mod.rs

@@ -109,12 +109,12 @@ pub(crate) async fn serve_all(args: ServeArgs, tracer: &TraceController) -> Resu
                 pid,
             } => {
                 devserver
-                    .send_hotreload(builder.applied_hot_reload_changes(BuildId::CLIENT))
+                    .send_hotreload(builder.applied_hot_reload_changes(BuildId::PRIMARY))
                     .await;
 
                 if builder.server.is_some() {
                     devserver
-                        .send_hotreload(builder.applied_hot_reload_changes(BuildId::SERVER))
+                        .send_hotreload(builder.applied_hot_reload_changes(BuildId::SECONDARY))
                         .await;
                 }
 

packages/cli/src/serve/output.rs

@@ -268,12 +268,12 @@ impl Output {
             }
             KeyCode::Char('D') => {
                 return Ok(Some(ServeUpdate::OpenDebugger {
-                    id: BuildId::SERVER,
+                    id: BuildId::SECONDARY,
                 }));
             }
             KeyCode::Char('d') => {
                 return Ok(Some(ServeUpdate::OpenDebugger {
-                    id: BuildId::CLIENT,
+                    id: BuildId::PRIMARY,
                 }));
             }
             KeyCode::Char('c') => {

packages/cli/src/serve/runner.rs

@@ -234,9 +234,9 @@ impl AppServer {
             false => BuildMode::Base { run: true },
         };
 
-        self.client.start(build_mode.clone());
+        self.client.start(build_mode.clone(), BuildId::PRIMARY);
         if let Some(server) = self.server.as_mut() {
-            server.start(build_mode);
+            server.start(build_mode, BuildId::SECONDARY);
         }
     }
 
@@ -273,14 +273,14 @@ impl AppServer {
             // Wait for the client to finish
             client_update = client_wait => {
                 ServeUpdate::BuilderUpdate {
-                    id: BuildId::CLIENT,
+                    id: BuildId::PRIMARY,
                     update: client_update,
                 }
             }
 
             Some(server_update) = server_wait => {
                 ServeUpdate::BuilderUpdate {
-                    id: BuildId::SERVER,
+                    id: BuildId::SECONDARY,
                     update: server_update,
                 }
             }
@@ -491,17 +491,18 @@ impl AppServer {
         //        A full rebuild is required when the user modifies static initializers which we haven't wired up yet.
         if needs_full_rebuild && self.automatic_rebuilds {
             if self.use_hotpatch_engine {
-                self.client.patch_rebuild(files.to_vec());
+                self.client.patch_rebuild(files.to_vec(), BuildId::PRIMARY);
                 if let Some(server) = self.server.as_mut() {
-                    server.patch_rebuild(files.to_vec());
+                    server.patch_rebuild(files.to_vec(), BuildId::SECONDARY);
                 }
                 self.clear_hot_reload_changes();
                 self.clear_cached_rsx();
                 server.send_patch_start().await;
             } else {
-                self.client.start_rebuild(BuildMode::Base { run: true });
+                self.client
+                    .start_rebuild(BuildMode::Base { run: true }, BuildId::PRIMARY);
                 if let Some(server) = self.server.as_mut() {
-                    server.start_rebuild(BuildMode::Base { run: true });
+                    server.start_rebuild(BuildMode::Base { run: true }, BuildId::SECONDARY);
                 }
                 self.clear_hot_reload_changes();
                 self.clear_cached_rsx();
@@ -560,13 +561,14 @@ impl AppServer {
         devserver: &mut WebServer,
     ) -> Result<()> {
         // Make sure to save artifacts regardless of if we're opening the app or not
-        match artifacts.bundle {
-            BundleFormat::Server => {
+        match artifacts.build_id {
+            BuildId::PRIMARY => self.client.artifacts = Some(artifacts.clone()),
+            BuildId::SECONDARY => {
                 if let Some(server) = self.server.as_mut() {
                     server.artifacts = Some(artifacts.clone());
                 }
             }
-            _ => self.client.artifacts = Some(artifacts.clone()),
+            _ => {}
         }
 
         let should_open = self.client.stage == BuildStage::Success
@@ -634,7 +636,7 @@ impl AppServer {
                     fullstack_address,
                     false,
                     false,
-                    BuildId::SERVER,
+                    BuildId::SECONDARY,
                     &self.server_args,
                 )
                 .await?;
@@ -649,7 +651,7 @@ impl AppServer {
                 fullstack_address,
                 open_browser,
                 self.always_on_top,
-                BuildId::CLIENT,
+                BuildId::PRIMARY,
                 &self.client_args,
             )
             .await?;
@@ -696,9 +698,10 @@ impl AppServer {
             false => BuildMode::Base { run: true },
         };
 
-        self.client.start_rebuild(build_mode.clone());
+        self.client
+            .start_rebuild(build_mode.clone(), BuildId::PRIMARY);
         if let Some(s) = self.server.as_mut() {
-            s.start_rebuild(build_mode)
+            s.start_rebuild(build_mode, BuildId::SECONDARY);
         }
 
         self.clear_hot_reload_changes();
@@ -719,8 +722,8 @@ impl AppServer {
             .unwrap_or_default();
 
         let jump_table = match id {
-            BuildId::CLIENT => self.client.hotpatch(bundle, cache).await,
-            BuildId::SERVER => {
+            BuildId::PRIMARY => self.client.hotpatch(bundle, cache).await,
+            BuildId::SECONDARY => {
                 self.server
                     .as_mut()
                     .context("Server not found")?
@@ -730,7 +733,7 @@ impl AppServer {
             _ => bail!("Invalid build id"),
         }?;
 
-        if id == BuildId::CLIENT {
+        if id == BuildId::PRIMARY {
             self.applied_client_hot_reload_message.jump_table = self.client.patches.last().cloned();
         }
 
@@ -759,11 +762,16 @@ impl AppServer {
                 .context("Missing server jump table")?;
 
             devserver
-                .send_patch(server_jump_table, elapsed, BuildId::SERVER, server.pid)
+                .send_patch(server_jump_table, elapsed, BuildId::SECONDARY, server.pid)
                 .await;
 
             devserver
-                .send_patch(client_jump_table, elapsed, BuildId::CLIENT, self.client.pid)
+                .send_patch(
+                    client_jump_table,
+                    elapsed,
+                    BuildId::PRIMARY,
+                    self.client.pid,
+                )
                 .await;
         }
 
@@ -772,8 +780,8 @@ impl AppServer {
 
     pub(crate) fn get_build(&self, id: BuildId) -> Option<&AppBuilder> {
         match id {
-            BuildId::CLIENT => Some(&self.client),
-            BuildId::SERVER => self.server.as_ref(),
+            BuildId::PRIMARY => Some(&self.client),
+            BuildId::SECONDARY => self.server.as_ref(),
             _ => None,
         }
     }
@@ -791,18 +799,18 @@ impl AppServer {
     pub(crate) fn applied_hot_reload_changes(&mut self, build: BuildId) -> HotReloadMsg {
         let mut msg = self.applied_client_hot_reload_message.clone();
 
-        if build == BuildId::CLIENT {
+        if build == BuildId::PRIMARY {
             msg.jump_table = self.client.patches.last().cloned();
-            msg.for_build_id = Some(BuildId::CLIENT.0 as _);
+            msg.for_build_id = Some(BuildId::PRIMARY.0 as _);
             if let Some(lib) = msg.jump_table.as_mut() {
                 lib.lib = PathBuf::from("/").join(lib.lib.clone());
             }
         }
 
-        if build == BuildId::SERVER {
+        if build == BuildId::SECONDARY {
             if let Some(server) = self.server.as_mut() {
                 msg.jump_table = server.patches.last().cloned();
-                msg.for_build_id = Some(BuildId::SERVER.0 as _);
+                msg.for_build_id = Some(BuildId::SECONDARY.0 as _);
             }
         }
 
@@ -828,7 +836,7 @@ impl AppServer {
         pid: Option<u32>,
     ) {
         match build_id {
-            BuildId::CLIENT => {
+            BuildId::PRIMARY => {
                 // multiple tabs on web can cause this to be called incorrectly, and it doesn't
                 // make any sense anyways
                 if self.client.build.bundle != BundleFormat::Web {
@@ -840,7 +848,7 @@ impl AppServer {
                     }
                 }
             }
-            BuildId::SERVER => {
+            BuildId::SECONDARY => {
                 if let Some(server) = self.server.as_mut() {
                     server.aslr_reference = aslr_reference;
                 }
@@ -1146,10 +1154,10 @@ impl AppServer {
         }
 
         match build {
-            BuildId::CLIENT => {
+            BuildId::PRIMARY => {
                 _ = self.client.open_debugger(dev).await;
             }
-            BuildId::SERVER => {
+            BuildId::SECONDARY => {
                 if let Some(server) = self.server.as_mut() {
                     _ = server.open_debugger(dev).await;
                 }

packages/cli/src/serve/server.rs

@@ -149,7 +149,7 @@ impl WebServer {
                 if let Some(new_socket) = new_hot_reload_socket {
                     let aslr_reference = new_socket.aslr_reference;
                     let pid = new_socket.pid;
-                    let id = new_socket.build_id.unwrap_or(BuildId::CLIENT);
+                    let id = new_socket.build_id.unwrap_or(BuildId::PRIMARY);
 
                     drop(new_message);
                     self.hot_reload_sockets.push(new_socket);

packages/desktop/headless_tests/events.rs

@@ -1,5 +1,3 @@
-use std::collections::HashMap;
-
 use dioxus::html::geometry::euclid::Vector3D;
 use dioxus::prelude::*;
 use dioxus_desktop::DesktopContext;
@@ -448,7 +446,7 @@ fn test_focus_out_div() -> Element {
 }
 
 fn test_form_input() -> Element {
-    let mut values = use_signal(HashMap::new);
+    let mut values = use_signal(Vec::new);
 
     utils::mock_event_with_extra(
         "form-username",
@@ -464,10 +462,10 @@ fn test_form_input() -> Element {
 
         // And then the value the form gives us should also match
         values.with_mut(|x| {
-            assert_eq!(x.get("username").unwrap(), "hello");
-            assert_eq!(x.get("full-name").unwrap(), "lorem");
-            assert_eq!(x.get("password").unwrap(), "ipsum");
-            assert_eq!(x.get("color").unwrap(), "red");
+            assert_eq!(x.iter().find(|f| f.0 == "username").unwrap().1, "hello");
+            assert_eq!(x.iter().find(|f| f.0 == "full-name").unwrap().1, "lorem");
+            assert_eq!(x.iter().find(|f| f.0 == "password").unwrap().1, "ipsum");
+            assert_eq!(x.iter().find(|f| f.0 == "color").unwrap().1, "red");
         });
         RECEIVED_EVENTS.with_mut(|x| *x += 1);
     };
@@ -505,7 +503,7 @@ fn test_form_input() -> Element {
 }
 
 fn test_form_submit() -> Element {
-    let mut values = use_signal(HashMap::new);
+    let mut values = use_signal(Vec::new);
 
     utils::mock_event_with_extra(
         "form-submitter",
@@ -516,10 +514,10 @@ fn test_form_submit() -> Element {
     let set_values = move |ev: FormEvent| {
         values.set(ev.values());
         values.with_mut(|x| {
-            assert_eq!(x.get("username").unwrap(), "goodbye");
-            assert_eq!(x.get("full-name").unwrap(), "lorem");
-            assert_eq!(x.get("password").unwrap(), "ipsum");
-            assert_eq!(x.get("color").unwrap(), "red");
+            assert_eq!(x.iter().find(|f| f.0 == "username").unwrap().1, "goodbye");
+            assert_eq!(x.iter().find(|f| f.0 == "full-name").unwrap().1, "lorem");
+            assert_eq!(x.iter().find(|f| f.0 == "password").unwrap().1, "ipsum");
+            assert_eq!(x.iter().find(|f| f.0 == "color").unwrap().1, "red");
         });
         RECEIVED_EVENTS.with_mut(|x| *x += 1);
     };

packages/desktop/src/app.rs

@@ -2,17 +2,14 @@ use crate::{
     config::{Config, WindowCloseBehaviour},
     edits::EditWebsocket,
     event_handlers::WindowEventHandlers,
-    file_upload::{DesktopFileUploadForm, FileDialogRequest},
     ipc::{IpcMessage, UserWindowEvent},
     query::QueryResult,
     shortcut::ShortcutRegistry,
     webview::{PendingWebview, WebviewInstance},
 };
-use dioxus_core::{consume_context, ElementId, ScopeId, VirtualDom};
+use dioxus_core::{consume_context, ScopeId, VirtualDom};
 use dioxus_history::History;
-use dioxus_html::PlatformEventData;
 use std::{
-    any::Any,
     cell::{Cell, RefCell},
     collections::HashMap,
     rc::Rc,
@@ -409,35 +406,6 @@ impl App {
         }
     }
 
-    pub fn handle_file_dialog_msg(&mut self, msg: IpcMessage, window: WindowId) {
-        let Ok(file_dialog) = serde_json::from_value::<FileDialogRequest>(msg.params()) else {
-            return;
-        };
-
-        let id = ElementId(file_dialog.target);
-        let event_name = &file_dialog.event;
-        let event_bubbles = file_dialog.bubbles;
-        let files = file_dialog.get_file_event();
-
-        let as_any = Box::new(DesktopFileUploadForm { files });
-
-        let data = Rc::new(PlatformEventData::new(as_any));
-
-        let Some(view) = self.webviews.get_mut(&window) else {
-            return;
-        };
-
-        let event = dioxus_core::Event::new(data as Rc<dyn Any>, event_bubbles);
-
-        let runtime = view.dom.runtime();
-        if event_name == "change&input" {
-            runtime.handle_event("input", event.clone(), id);
-            runtime.handle_event("change", event, id);
-        } else {
-            runtime.handle_event(event_name, event, id);
-        }
-    }
-
     /// Poll the virtualdom until it's pending
     ///
     /// The waker we give it is connected to the event loop, so it will wake up the event loop when it's ready to be polled again

packages/desktop/src/events.rs

@@ -2,13 +2,34 @@
 
 use crate::{
     element::DesktopElement,
-    file_upload::{DesktopFileDragEvent, DesktopFileUploadForm},
+    file_upload::{DesktopFileDragEvent, DesktopFormData},
 };
 use dioxus_html::*;
 
 pub(crate) struct SerializedHtmlEventConverter;
 
 impl HtmlEventConverter for SerializedHtmlEventConverter {
+    /// This impl is special because it relies on the renderer to convert from serialized data to native data
+    /// as an intermediate step.
+    fn convert_drag_data(&self, event: &PlatformEventData) -> DragData {
+        event
+            .downcast::<DesktopFileDragEvent>()
+            .cloned()
+            .unwrap()
+            .into()
+    }
+
+    /// This impl is special because it relies on the renderer to convert from serialized data to native data
+    /// as an intermediate step.
+    fn convert_form_data(&self, event: &PlatformEventData) -> FormData {
+        event.downcast::<DesktopFormData>().cloned().unwrap().into()
+    }
+
+    /// This impl is special because it leverages the `DesktopElement` ref between the virtualdom and webview
+    fn convert_mounted_data(&self, event: &PlatformEventData) -> MountedData {
+        event.downcast::<DesktopElement>().cloned().unwrap().into()
+    }
+
     fn convert_animation_data(&self, event: &PlatformEventData) -> AnimationData {
         event
             .downcast::<SerializedAnimationData>()
@@ -41,20 +62,6 @@ impl HtmlEventConverter for SerializedHtmlEventConverter {
             .into()
     }
 
-    fn convert_drag_data(&self, event: &PlatformEventData) -> DragData {
-        // Attempt a simple serialized data conversion
-        if let Some(_data) = event.downcast::<SerializedDragData>() {
-            return _data.clone().into();
-        }
-
-        // If that failed then it's a file drag form
-        event
-            .downcast::<DesktopFileDragEvent>()
-            .cloned()
-            .unwrap()
-            .into()
-    }
-
     fn convert_focus_data(&self, event: &PlatformEventData) -> FocusData {
         event
             .downcast::<SerializedFocusData>()
@@ -63,20 +70,6 @@ impl HtmlEventConverter for SerializedHtmlEventConverter {
             .into()
     }
 
-    fn convert_form_data(&self, event: &PlatformEventData) -> FormData {
-        // Attempt a simple serialized form data conversion
-        if let Some(_data) = event.downcast::<SerializedFormData>() {
-            return _data.clone().into();
-        }
-
-        // If that failed then it's a file upload form
-        event
-            .downcast::<DesktopFileUploadForm>()
-            .cloned()
-            .unwrap()
-            .into()
-    }
-
     fn convert_image_data(&self, event: &PlatformEventData) -> ImageData {
         event
             .downcast::<SerializedImageData>()
@@ -101,10 +94,6 @@ impl HtmlEventConverter for SerializedHtmlEventConverter {
             .into()
     }
 
-    fn convert_mounted_data(&self, event: &PlatformEventData) -> MountedData {
-        event.downcast::<DesktopElement>().cloned().unwrap().into()
-    }
-
     fn convert_mouse_data(&self, event: &PlatformEventData) -> MouseData {
         event
             .downcast::<SerializedMouseData>()

packages/desktop/src/file_upload.rs

@@ -1,6 +1,6 @@
 #![allow(unused)]
 
-use std::any::Any;
+use std::{any::Any, collections::HashMap};
 
 #[cfg(feature = "tokio_runtime")]
 use tokio::{fs::File, io::AsyncReadExt};
@@ -11,11 +11,11 @@ use dioxus_html::{
     point_interaction::{
         InteractionElementOffset, InteractionLocation, ModifiersInteraction, PointerInteraction,
     },
-    FileData, HasDragData, HasFileData, HasFormData, HasMouseData, NativeFileData,
-    SerializedMouseData, SerializedPointInteraction,
+    FileData, FormValue, HasDragData, HasFileData, HasFormData, HasMouseData, NativeFileData,
+    SerializedFormData, SerializedFormObject, SerializedMouseData, SerializedPointInteraction,
 };
 
-use serde::Deserialize;
+use serde::{Deserialize, Serialize};
 use std::{
     cell::{Cell, RefCell},
     path::PathBuf,
@@ -25,7 +25,7 @@ use std::{
 };
 use wry::DragDropEvent;
 
-#[derive(Debug, Deserialize)]
+#[derive(Debug, Deserialize, Serialize)]
 pub(crate) struct FileDialogRequest {
     #[serde(default)]
     accept: Option<String>,
@@ -34,6 +34,8 @@ pub(crate) struct FileDialogRequest {
     pub event: String,
     pub target: usize,
     pub bubbles: bool,
+    pub target_name: String,
+    pub values: Vec<SerializedFormObject>,
 }
 
 #[allow(unused)]
@@ -61,22 +63,26 @@ impl FileDialogRequest {
         target_os = "openbsd"
     ))]
     pub(crate) fn get_file_event(&self) -> Vec<PathBuf> {
-        fn get_file_event_for_folder(
-            request: &FileDialogRequest,
-            dialog: rfd::FileDialog,
-        ) -> Vec<PathBuf> {
-            if request.multiple {
-                dialog.pick_folders().into_iter().flatten().collect()
+        let dialog = rfd::FileDialog::new();
+
+        if self.directory {
+            self.get_file_event_for_folder(dialog)
         } else {
-                dialog.pick_folder().into_iter().collect()
+            self.get_file_event_for_file(dialog)
         }
     }
 
-        fn get_file_event_for_file(
-            request: &FileDialogRequest,
-            mut dialog: rfd::FileDialog,
-        ) -> Vec<PathBuf> {
-            let filters: Vec<_> = request
+    #[cfg(any(
+        target_os = "windows",
+        target_os = "macos",
+        target_os = "linux",
+        target_os = "dragonfly",
+        target_os = "freebsd",
+        target_os = "netbsd",
+        target_os = "openbsd"
+    ))]
+    fn get_file_event_for_file(&self, mut dialog: rfd::FileDialog) -> Vec<PathBuf> {
+        let filters: Vec<_> = self
             .accept
             .as_deref()
             .unwrap_or(".*")
@@ -97,7 +103,7 @@ impl FileDialogRequest {
 
         dialog = dialog.add_filter(filter_name, file_extensions.as_slice());
 
-            let files: Vec<_> = if request.multiple {
+        let files: Vec<_> = if self.multiple {
             dialog.pick_files().into_iter().flatten().collect()
         } else {
             dialog.pick_file().into_iter().collect()
@@ -106,12 +112,20 @@ impl FileDialogRequest {
         files
     }
 
-        let dialog = rfd::FileDialog::new();
-
-        if self.directory {
-            get_file_event_for_folder(self, dialog)
+    #[cfg(any(
+        target_os = "windows",
+        target_os = "macos",
+        target_os = "linux",
+        target_os = "dragonfly",
+        target_os = "freebsd",
+        target_os = "netbsd",
+        target_os = "openbsd"
+    ))]
+    fn get_file_event_for_folder(&self, dialog: rfd::FileDialog) -> Vec<PathBuf> {
+        if self.multiple {
+            dialog.pick_folders().into_iter().flatten().collect()
         } else {
-            get_file_event_for_file(self, dialog)
+            dialog.pick_folder().into_iter().collect()
         }
     }
 }
@@ -154,24 +168,53 @@ impl FromStr for Filters {
 }
 
 #[derive(Clone)]
-pub(crate) struct DesktopFileUploadForm {
-    pub files: Vec<PathBuf>,
+pub(crate) struct DesktopFormData {
+    pub value: String,
+    pub valid: bool,
+    pub values: Vec<(String, FormValue)>,
 }
 
-impl HasFileData for DesktopFileUploadForm {
+impl DesktopFormData {
+    pub fn new(values: Vec<(String, FormValue)>) -> Self {
+        Self {
+            value: String::new(),
+            valid: true,
+            values,
+        }
+    }
+}
+
+impl HasFileData for DesktopFormData {
     fn files(&self) -> Vec<FileData> {
-        self.files
+        self.values
             .iter()
-            .cloned()
-            .map(|f| FileData::new(DesktopFileData(f)))
+            .filter_map(|(_, v)| {
+                if let FormValue::File(Some(f)) = v {
+                    Some(f.clone())
+                } else {
+                    None
+                }
+            })
             .collect()
     }
 }
 
-impl HasFormData for DesktopFileUploadForm {
+impl HasFormData for DesktopFormData {
     fn as_any(&self) -> &dyn std::any::Any {
         self
     }
+
+    fn value(&self) -> String {
+        self.value.clone()
+    }
+
+    fn valid(&self) -> bool {
+        self.valid
+    }
+
+    fn values(&self) -> Vec<(String, FormValue)> {
+        self.values.clone()
+    }
 }
 
 #[derive(Default, Clone)]

packages/desktop/src/ipc.rs

@@ -57,7 +57,6 @@ pub struct IpcMessage {
 /// A set of known messages that we need to respond to
 #[derive(Deserialize, Serialize, Debug, Clone)]
 pub enum IpcMethod<'a> {
-    FileDialog,
     UserEvent,
     Query,
     BrowserOpen,
@@ -68,7 +67,6 @@ pub enum IpcMethod<'a> {
 impl IpcMessage {
     pub(crate) fn method(&self) -> IpcMethod<'_> {
         match self.method.as_str() {
-            "file_dialog" => IpcMethod::FileDialog,
             "user_event" => IpcMethod::UserEvent,
             "query" => IpcMethod::Query,
             "browser_open" => IpcMethod::BrowserOpen,

packages/desktop/src/launch.rs

@@ -91,7 +91,6 @@ pub fn launch_virtual_dom_blocking(virtual_dom: VirtualDom, mut desktop_config:
 
                 UserWindowEvent::Ipc { id, msg } => match msg.method() {
                     IpcMethod::Initialize => app.handle_initialize_msg(id),
-                    IpcMethod::FileDialog => app.handle_file_dialog_msg(msg, id),
                     IpcMethod::UserEvent => {}
                     IpcMethod::Query => app.handle_query_msg(msg, id),
                     IpcMethod::BrowserOpen => app.handle_browser_open(msg),

packages/desktop/src/protocol.rs

@@ -1,5 +1,8 @@
-use crate::document::NATIVE_EVAL_JS;
 use crate::{assets::*, webview::WebviewEdits};
+use crate::{document::NATIVE_EVAL_JS, file_upload::FileDialogRequest};
+use base64::prelude::BASE64_STANDARD;
+use dioxus_core::AnyhowContext;
+use dioxus_html::{SerializedFileData, SerializedFormObject};
 use dioxus_interpreter_js::unified_bindings::SLEDGEHAMMER_JS;
 use dioxus_interpreter_js::NATIVE_JS;
 use wry::{
@@ -8,13 +11,13 @@ use wry::{
 };
 
 #[cfg(target_os = "android")]
-const EVENTS_PATH: &str = "https://dioxus.index.html/__events";
+const BASE_URI: &str = "https://dioxus.index.html/";
 
 #[cfg(target_os = "windows")]
-const EVENTS_PATH: &str = "http://dioxus.index.html/__events";
+const BASE_URI: &str = "http://dioxus.index.html/";
 
 #[cfg(not(any(target_os = "android", target_os = "windows")))]
-const EVENTS_PATH: &str = "dioxus://index.html/__events";
+const BASE_URI: &str = "dioxus://index.html/";
 
 #[cfg(debug_assertions)]
 static DEFAULT_INDEX: &str = include_str!("./assets/dev.index.html");
@@ -58,6 +61,14 @@ pub(super) fn desktop_handler(
         return edit_state.handle_event(request, responder);
     }
 
+    // If the request is asking for a file dialog, handle that, returning the list of files selected
+    if trimmed_uri == "__file_dialog" {
+        if let Err(err) = file_dialog_responder(request, responder) {
+            tracing::error!("Failed to handle file dialog request: {err:?}");
+        }
+        return;
+    }
+
     // todo: we want to move the custom assets onto a different protocol or something
     if let Some(name) = request.uri().path().split('/').nth(1) {
         if asset_handlers.has_handler(name) {
@@ -104,7 +115,6 @@ fn index_request(
 
     // Insert a custom head if provided
     // We look just for the closing head tag. If a user provided a custom index with weird syntax, this might fail
-
     if let Some(head) = custom_head {
         index.insert_str(index.find("</head>").expect("Head element to exist"), &head);
     }
@@ -147,14 +157,14 @@ fn module_loader(root_id: &str, headless: bool, edit_state: &WebviewEdits) -> St
     {NATIVE_JS}
 
     // The native interpreter extends the sledgehammer interpreter with a few extra methods that we use for IPC
-    window.interpreter = new NativeInterpreter("{EVENTS_PATH}", {headless});
+    window.interpreter = new NativeInterpreter("{BASE_URI}", {headless});
 
     // Wait for the page to load before sending the initialize message
     window.onload = function() {{
         let root_element = window.document.getElementById("{root_id}");
         if (root_element != null) {{
             window.interpreter.initialize(root_element);
-            window.ipc.postMessage(window.interpreter.serializeIpcMessage("initialize"));
+            window.interpreter.sendIpcMessage("initialize");
         }}
         window.interpreter.waitForRequest("{edits_path}", "{expected_key}");
     }}
@@ -166,3 +176,77 @@ fn module_loader(root_id: &str, headless: bool, edit_state: &WebviewEdits) -> St
 "#
     )
 }
+
+fn file_dialog_responder(
+    request: wry::http::Request<Vec<u8>>,
+    responder: wry::RequestAsyncResponder,
+) -> dioxus_core::Result<()> {
+    // Handle the file dialog request
+    // We can't use the body, just the headers
+    let header = request
+        .headers()
+        .get("x-dioxus-data")
+        .context("Failed to get x-dioxus-data header")?;
+
+    let data_from_header = base64::Engine::decode(&BASE64_STANDARD, header.as_bytes())
+        .context("Failed to decode x-dioxus-data header from base64")?;
+
+    let mut file_dialog: FileDialogRequest = serde_json::from_slice(&data_from_header)
+        .context("Failed to parse x-dioxus-data header as JSON")?;
+
+    let file_list = file_dialog.get_file_event();
+
+    let position_of_entry = file_dialog
+        .values
+        .iter()
+        .position(|x| x.key == file_dialog.target_name)
+        .context("Failed to find target_name in values")?;
+
+    // Remove any existing entries
+    file_dialog
+        .values
+        .retain(|x| x.key != file_dialog.target_name);
+
+    // And then insert the new ones
+    for path in file_list {
+        let file = std::fs::metadata(&path).context("Failed to get file metadata")?;
+        file_dialog.values.insert(
+            position_of_entry,
+            SerializedFormObject {
+                key: file_dialog.target_name.clone(),
+                text: None,
+                file: Some(SerializedFileData {
+                    size: file.len(),
+                    last_modified: file
+                        .modified()
+                        .context("Failed to get file modified time")?
+                        .duration_since(std::time::UNIX_EPOCH)
+                        .map(|d| d.as_millis())
+                        .unwrap_or_default() as _,
+                    content_type: Some(
+                        dioxus_asset_resolver::native::get_mime_from_ext(
+                            path.extension().and_then(|s| s.to_str()),
+                        )
+                        .to_string(),
+                    ),
+                    contents: Default::default(),
+                    path,
+                }),
+            },
+        );
+    }
+
+    // And then respond with the updated file dialog
+    let response_data = serde_json::to_vec(&file_dialog)
+        .context("Failed to serialize FileDialogRequest to JSON")?;
+
+    responder.respond(
+        Response::builder()
+            .status(StatusCode::OK)
+            .header("Content-Type", "application/json")
+            .body(response_data)
+            .context("Failed to build response")?,
+    );
+
+    Ok(())
+}

packages/desktop/src/webview.rs

@@ -1,5 +1,4 @@
-use crate::element::DesktopElement;
-use crate::file_upload::DesktopFileDragEvent;
+use crate::file_upload::{DesktopFileData, DesktopFileDragEvent};
 use crate::menubar::DioxusMenu;
 use crate::PendingDesktopContext;
 use crate::WindowCloseBehaviour;
@@ -9,12 +8,13 @@ use crate::{
     DesktopContext, DesktopService,
 };
 use crate::{document::DesktopDocument, WeakDesktopContext};
+use crate::{element::DesktopElement, file_upload::DesktopFormData};
 use base64::prelude::BASE64_STANDARD;
 use dioxus_core::{consume_context, provide_context, Runtime, ScopeId, VirtualDom};
 use dioxus_document::Document;
 use dioxus_history::{History, MemoryHistory};
 use dioxus_hooks::to_owned;
-use dioxus_html::{HtmlEvent, PlatformEventData};
+use dioxus_html::{FileData, FormValue, HtmlEvent, PlatformEventData};
 use futures_util::{pin_mut, FutureExt};
 use std::sync::atomic::AtomicBool;
 use std::{cell::OnceCell, time::Duration};
@@ -115,7 +115,7 @@ impl WebviewEdits {
         let desktop_context = desktop_context.upgrade().unwrap();
 
         let query = desktop_context.query.clone();
-        let recent_file = desktop_context.file_hover.clone();
+        let hovered_file = desktop_context.file_hover.clone();
 
         // check for a mounted event placeholder and replace it with a desktop specific element
         let as_any = match data {
@@ -123,9 +123,39 @@ impl WebviewEdits {
                 let element = DesktopElement::new(element, desktop_context.clone(), query.clone());
                 Rc::new(PlatformEventData::new(Box::new(element)))
             }
+            dioxus_html::EventData::Form(form) => {
+                Rc::new(PlatformEventData::new(Box::new(DesktopFormData {
+                    value: form.value,
+                    valid: form.valid,
+                    values: form
+                        .values
+                        .into_iter()
+                        .map(|obj| {
+                            if let Some(text) = obj.text {
+                                return (obj.key, FormValue::Text(text));
+                            }
+
+                            if let Some(file_data) = obj.file {
+                                if file_data.path.capacity() == 0 {
+                                    return (obj.key, FormValue::File(None));
+                                }
+
+                                return (
+                                    obj.key,
+                                    FormValue::File(Some(FileData::new(DesktopFileData(
+                                        file_data.path,
+                                    )))),
+                                );
+                            };
+
+                            (obj.key, FormValue::Text(String::new()))
+                        })
+                        .collect(),
+                })))
+            }
             dioxus_html::EventData::Drag(ref drag) => {
                 // we want to override this with a native file engine, provided by the most recent drag event
-                let file_event = recent_file.current().unwrap();
+                let file_event = hovered_file.current().unwrap();
                 let paths = match file_event {
                     wry::DragDropEvent::Enter { paths, .. } => paths,
                     wry::DragDropEvent::Drop { paths, .. } => paths,

packages/fullstack-core/src/error.rs

@@ -1,4 +1,5 @@
 use axum_core::response::IntoResponse;
+use futures_util::TryStreamExt;
 use http::StatusCode;
 use serde::{Deserialize, Serialize};
 use std::fmt::Debug;
@@ -91,6 +92,28 @@ impl ServerFnError {
             code: None,
         }
     }
+
+    /// Create a new server error (status code 500) with a message and details.
+    pub async fn from_axum_response(resp: axum_core::response::Response) -> Self {
+        let status = resp.status();
+        let message = resp
+            .into_body()
+            .into_data_stream()
+            .try_fold(Vec::new(), |mut acc, chunk| async move {
+                acc.extend_from_slice(&chunk);
+                Ok(acc)
+            })
+            .await
+            .ok()
+            .and_then(|bytes| String::from_utf8(bytes).ok())
+            .unwrap_or_else(|| status.canonical_reason().unwrap_or("").to_string());
+
+        ServerFnError::ServerError {
+            message,
+            code: Some(status.as_u16()),
+            details: None,
+        }
+    }
 }
 
 impl From<anyhow::Error> for ServerFnError {
@@ -159,7 +182,64 @@ impl From<HttpError> for ServerFnError {
 
 impl IntoResponse for ServerFnError {
     fn into_response(self) -> axum_core::response::Response {
-        todo!()
+        match self {
+            Self::ServerError {
+                message,
+                code,
+                details,
+            } => {
+                let status = code
+                    .and_then(|c| StatusCode::from_u16(c).ok())
+                    .unwrap_or(StatusCode::INTERNAL_SERVER_ERROR);
+                let body = if let Some(details) = details {
+                    serde_json::json!({
+                        "error": message,
+                        "details": details,
+                    })
+                } else {
+                    serde_json::json!({
+                        "error": message,
+                    })
+                };
+                let body = axum_core::body::Body::from(
+                    serde_json::to_string(&body)
+                        .unwrap_or_else(|_| "{\"error\":\"Internal Server Error\"}".to_string()),
+                );
+                axum_core::response::Response::builder()
+                    .status(status)
+                    .header("Content-Type", "application/json")
+                    .body(body)
+                    .unwrap_or_else(|_| {
+                        axum_core::response::Response::builder()
+                            .status(StatusCode::INTERNAL_SERVER_ERROR)
+                            .body(axum_core::body::Body::from(
+                                "{\"error\":\"Internal Server Error\"}",
+                            ))
+                            .unwrap()
+                    })
+            }
+            _ => {
+                let status: StatusCode = self.clone().into();
+                let body = axum_core::body::Body::from(
+                    serde_json::json!({
+                        "error": self.to_string(),
+                    })
+                    .to_string(),
+                );
+                axum_core::response::Response::builder()
+                    .status(status)
+                    .header("Content-Type", "application/json")
+                    .body(body)
+                    .unwrap_or_else(|_| {
+                        axum_core::response::Response::builder()
+                            .status(StatusCode::INTERNAL_SERVER_ERROR)
+                            .body(axum_core::body::Body::from(
+                                "{\"error\":\"Internal Server Error\"}",
+                            ))
+                            .unwrap()
+                    })
+            }
+        }
     }
 }
 

packages/fullstack-core/src/streaming.rs

@@ -1,5 +1,9 @@
+use crate::ServerFnError;
+use axum_core::{extract::FromRequest, response::IntoResponse};
 use dioxus_core::try_consume_context;
 use dioxus_signals::{ReadableExt, Signal, WritableExt};
+use http::request::Parts;
+use std::{cell::RefCell, rc::Rc};
 
 /// The status of the streaming response
 #[derive(Clone, Copy, Debug, PartialEq)]
@@ -13,23 +17,26 @@ pub enum StreamingStatus {
 }
 
 /// The context dioxus fullstack provides for the status of streaming responses on the server
-#[derive(Clone, Copy, Debug, PartialEq)]
+#[derive(Clone, Debug)]
 pub struct StreamingContext {
     current_status: Signal<StreamingStatus>,
+    request_headers: Rc<RefCell<http::request::Parts>>,
 }
 
-impl Default for StreamingContext {
-    fn default() -> Self {
-        Self::new()
+impl PartialEq for StreamingContext {
+    fn eq(&self, other: &Self) -> bool {
+        self.current_status == other.current_status
+            && Rc::ptr_eq(&self.request_headers, &other.request_headers)
     }
 }
 
 impl StreamingContext {
     /// Create a new streaming context. You should not need to call this directly. Dioxus fullstack will
     /// provide this context for you.
-    pub fn new() -> Self {
+    pub fn new(parts: Parts) -> Self {
         Self {
             current_status: Signal::new(StreamingStatus::RenderingInitialChunk),
+            request_headers: Rc::new(RefCell::new(parts)),
         }
     }
 
@@ -48,6 +55,42 @@ impl StreamingContext {
     pub fn current_status(&self) -> StreamingStatus {
         *self.current_status.read()
     }
+
+    /// Access the http request parts mutably. This will allow you to modify headers and other parts of the request.
+    pub fn parts_mut(&self) -> std::cell::RefMut<'_, http::request::Parts> {
+        self.request_headers.borrow_mut()
+    }
+
+    /// Extract an axum extractor from the current request. This will always use an empty body for the request,
+    /// since it's assumed that rendering the app is done under a `GET` request.
+    pub async fn extract<T: FromRequest<(), M>, M>() -> Result<T, ServerFnError> {
+        let this = Self::current()
+            .ok_or_else(|| ServerFnError::new("No StreamingContext found".to_string()))?;
+
+        let parts = this.request_headers.borrow_mut().clone();
+        let request =
+            axum_core::extract::Request::from_parts(parts, axum_core::body::Body::empty());
+        match T::from_request(request, &()).await {
+            Ok(res) => Ok(res),
+            Err(err) => {
+                let resp = err.into_response();
+                Err(ServerFnError::from_axum_response(resp).await)
+            }
+        }
+    }
+
+    /// Get the current `StreamingContext` if it exists. This will return `None` if called on the client
+    /// or outside of a streaming response on the server.
+    pub fn current() -> Option<Self> {
+        if let Some(rt) = dioxus_core::Runtime::try_current() {
+            let id = rt.try_current_scope_id()?;
+            if let Some(ctx) = rt.consume_context::<StreamingContext>(id) {
+                return Some(ctx);
+            }
+        }
+
+        None
+    }
 }
 
 /// Commit the initial chunk of the response. This will be called automatically if you are using the

packages/fullstack-macro/src/lib.rs

@@ -305,6 +305,14 @@ fn route_impl_with_route(
         })
         .collect::<Vec<_>>();
 
+    let server_types = server_args
+        .iter()
+        .map(|pat_type| match pat_type {
+            FnArg::Receiver(_) => parse_quote! { () },
+            FnArg::Typed(pat_type) => (*pat_type.ty).clone(),
+        })
+        .collect::<Vec<_>>();
+
     let body_struct_impl = {
         let tys = body_json_types
             .iter()
@@ -334,28 +342,13 @@ fn route_impl_with_route(
     };
 
     // there's no active request on the server, so we just create a dummy one
-    let server_defaults = server_args.iter().map(|arg| {
-        let name = match arg {
-            FnArg::Receiver(_) => panic!("Server args cannot be receiver"),
-            FnArg::Typed(pat_type) => match pat_type.pat.as_ref() {
-                Pat::Ident(pat_ident) => &pat_ident.ident,
-                _ => panic!("Expected Pat::Ident"),
-            },
-        };
-
-        let ty = match arg {
-            FnArg::Receiver(_) => panic!("Server args cannot be receiver"),
-            FnArg::Typed(pat_type) => (*pat_type.ty).clone(),
-        };
-
+    let server_defaults = if server_args.is_empty() {
+        quote! {}
+    } else {
         quote! {
-            let #name = {
-                use dioxus_fullstack::axum::extract::FromRequest;
-                let __request = dioxus_fullstack::axum::extract::Request::new(dioxus_fullstack::axum::body::Body::empty());
-                <#ty as FromRequest<_, _>>::from_request(__request, &()).await.unwrap()
-            };
+            let (#(#server_names,)*) = dioxus_fullstack::StreamingContext::extract::<(#(#server_types,)*), _>().await?;
         }
-    });
+    };
 
     let as_axum_path = route.to_axum_path_string();
 
@@ -519,7 +512,7 @@ fn route_impl_with_route(
                     )
                 }
 
-                #(#server_defaults)*
+                #server_defaults
 
                 return #fn_name #ty_generics(
                     #(#extracted_idents,)*
@@ -1214,6 +1207,15 @@ impl PathParam {
                 ty,
                 Brace(span),
             )
+        } else if str.starts_with(':') && str.len() > 1 {
+            let str = str.strip_prefix(':').unwrap();
+            Self::Capture(
+                LitStr::new(str, span),
+                Brace(span),
+                Ident::new(str, span),
+                ty,
+                Brace(span),
+            )
         } else {
             Self::Static(LitStr::new(str, span))
         };

packages/fullstack-server/src/server.rs

@@ -13,7 +13,7 @@ use axum::{
 };
 use dioxus_core::{Element, VirtualDom};
 use futures::Stream;
-use http::header::*;
+use http::{header::*, request::Parts};
 use std::path::Path;
 use std::sync::Arc;
 use tower::util::MapResponse;
@@ -297,13 +297,8 @@ impl RenderHandleState {
         };
 
         let (parts, _) = request.into_parts();
-        let url = parts
-            .uri
-            .path_and_query()
-            .ok_or(StatusCode::BAD_REQUEST)?
-            .to_string();
 
-        match state.render(url, cfg, build_virtual_dom).await {
+        match state.render(parts, cfg, build_virtual_dom).await {
             Ok((freshness, rx)) => {
                 let mut response =
                     axum::response::Html::from(Body::from_stream(rx)).into_response();
@@ -338,7 +333,7 @@ impl RenderHandleState {
     /// Render the application to HTML.
     pub async fn render<'a>(
         &'a self,
-        route: String,
+        parts: Parts,
         cfg: &'a ServeConfig,
         virtual_dom_factory: impl FnOnce() -> VirtualDom + Send + Sync + 'static,
     ) -> Result<
@@ -350,7 +345,7 @@ impl RenderHandleState {
     > {
         self.renderers
             .clone()
-            .render_to(cfg, route, virtual_dom_factory)
+            .render_to(parts, cfg, virtual_dom_factory)
             .await
     }
 }

packages/fullstack-server/src/ssr.rs

@@ -17,7 +17,7 @@ use dioxus_router::ParseRouteError;
 use dioxus_ssr::Renderer;
 use futures_channel::mpsc::Sender;
 use futures_util::{Stream, StreamExt};
-use http::StatusCode;
+use http::{request::Parts, StatusCode};
 use std::{
     collections::HashMap,
     fmt::Write,
@@ -98,8 +98,8 @@ impl SsrRendererPool {
     /// The streaming is canceled when the stream the function returns is dropped
     pub(crate) async fn render_to(
         self: Arc<Self>,
+        parts: Parts,
         cfg: &ServeConfig,
-        route: String,
         virtual_dom_factory: impl FnOnce() -> VirtualDom + Send + Sync + 'static,
     ) -> Result<
         (
@@ -133,6 +133,15 @@ impl SsrRendererPool {
             }
         }
 
+        let route = parts
+            .uri
+            .path_and_query()
+            .ok_or_else(|| SSRError::HttpError {
+                status: StatusCode::BAD_REQUEST,
+                message: None,
+            })?
+            .to_string();
+
         let (mut into, rx) =
             futures_channel::mpsc::channel::<Result<String, IncrementalRendererError>>(1000);
 
@@ -177,9 +186,10 @@ impl SsrRendererPool {
             };
 
             // Provide the document and streaming context to the root of the app
-            let streaming_context = virtual_dom.in_scope(ScopeId::ROOT, StreamingContext::new);
+            let streaming_context =
+                virtual_dom.in_scope(ScopeId::ROOT, || StreamingContext::new(parts));
             virtual_dom.provide_root_context(document.clone() as Rc<dyn dioxus_document::Document>);
-            virtual_dom.provide_root_context(streaming_context);
+            virtual_dom.provide_root_context(streaming_context.clone());
 
             virtual_dom.in_scope(ScopeId::ROOT, || {
                 // Wrap the memory history in a fullstack history provider to provide the initial route for hydration

packages/fullstack/Cargo.toml

@@ -37,7 +37,7 @@ serde_json = { workspace = true }
 pin-project = { workspace = true }
 serde_qs = { workspace = true, default-features = true}
 mime = "0.3.17"
-reqwest = { workspace = true, features = ["json", "rustls-tls", "cookies", "stream"] }
+reqwest = { workspace = true, features = ["json", "rustls-tls", "cookies", "stream", "multipart"] }
 url = { workspace =  true }
 serde_urlencoded = { workspace = true }
 form_urlencoded = { workspace = true }

packages/fullstack/src/client.rs

@@ -161,6 +161,49 @@ impl ClientRequest {
         builder
     }
 
+    /// Sends the request with multipart/form-data body constructed from the given FormData.
+    #[cfg(not(target_arch = "wasm32"))]
+    pub async fn send_multipart(
+        self,
+        form: &dioxus_html::FormData,
+    ) -> Result<ClientResponse, RequestError> {
+        let mut outgoing = reqwest::multipart::Form::new();
+
+        for (key, value) in form.values() {
+            match value {
+                dioxus_html::FormValue::Text(text) => {
+                    outgoing = outgoing.text(key.to_string(), text.to_string());
+                }
+                dioxus_html::FormValue::File(Some(file_data)) => {
+                    outgoing = outgoing
+                        .file(key.to_string(), file_data.path())
+                        .await
+                        .map_err(|e| {
+                            RequestError::Builder(format!(
+                                "Failed to add file to multipart form: {e}",
+                            ))
+                        })?;
+                }
+                dioxus_html::FormValue::File(None) => {
+                    // No file was selected for this input, so we skip it.
+                    outgoing = outgoing.part(key.to_string(), reqwest::multipart::Part::bytes(b""));
+                }
+            }
+        }
+
+        let res = self
+            .new_reqwest_request()
+            .multipart(outgoing)
+            .send()
+            .await
+            .map_err(reqwest_error_to_request_error)?;
+
+        Ok(ClientResponse {
+            response: Box::new(res),
+            extensions: self.extensions,
+        })
+    }
+
     pub async fn send_form(self, data: &impl Serialize) -> Result<ClientResponse, RequestError> {
         // For GET and HEAD requests, we encode the form data as query parameters.
         // For other request methods, we encode the form data as the request body.

packages/fullstack/src/payloads/multipart.rs

@@ -95,7 +95,11 @@ impl<S> IntoRequest for MultipartFormData<S> {
             // and construct a multipart form body manually.
             #[cfg(not(target_arch = "wasm32"))]
             {
-                todo!("Properly implement multipart form data for non-web wasm32 clients");
+                let data = self._client.clone().ok_or_else(|| {
+                    RequestError::Builder("Failed to get FormData from event".into())
+                })?;
+
+                return _req.send_multipart(&data).await;
             }
 
             unimplemented!("Non web wasm32 clients are not supported yet")

packages/html/src/events/form.rs

@@ -1,77 +1,16 @@
 use crate::file_data::HasFileData;
 use crate::FileData;
-use std::{collections::HashMap, fmt::Debug, ops::Deref};
-
-#[cfg(feature = "serialize")]
-use crate::SerializedFileData;
+use std::fmt::Debug;
 
 use dioxus_core::Event;
 
 pub type FormEvent = Event<FormData>;
 
-/// A form value that may either be a list of values or a single value
-#[cfg_attr(feature = "serialize", derive(serde::Serialize, serde::Deserialize))]
-#[derive(Debug, Default, Clone, PartialEq)]
-pub struct FormValue(pub Vec<String>);
-
-impl Deref for FormValue {
-    type Target = [String];
-
-    fn deref(&self) -> &Self::Target {
-        self.as_slice()
-    }
-}
-
-impl FormValue {
-    /// Convenient way to represent Value as slice
-    pub fn as_slice(&self) -> &[String] {
-        &self.0
-    }
-
-    /// Return the first value, panicking if there are none
-    pub fn as_value(&self) -> String {
-        self.0.first().unwrap().clone()
-    }
-
-    /// Convert into [`Vec<String>`]
-    pub fn to_vec(self) -> Vec<String> {
-        self.0.clone()
-    }
-}
-
-impl PartialEq<str> for FormValue {
-    fn eq(&self, other: &str) -> bool {
-        self.0.len() == 1 && self.0.first().map(|s| s.as_str()) == Some(other)
-    }
-}
-
 /* DOMEvent:  Send + SyncTarget relatedTarget */
 pub struct FormData {
     inner: Box<dyn HasFormData>,
 }
 
-impl<E: HasFormData> From<E> for FormData {
-    fn from(e: E) -> Self {
-        Self { inner: Box::new(e) }
-    }
-}
-
-impl PartialEq for FormData {
-    fn eq(&self, other: &Self) -> bool {
-        self.value() == other.value() && self.values() == other.values()
-    }
-}
-
-impl Debug for FormData {
-    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        f.debug_struct("FormEvent")
-            .field("value", &self.value())
-            .field("values", &self.values())
-            .field("valid", &self.valid())
-            .finish()
-    }
-}
-
 impl FormData {
     /// Create a new form event
     pub fn new(event: impl HasFormData + 'static) -> Self {
@@ -104,10 +43,25 @@ impl FormData {
     /// Collect all the named form values from the containing form.
     ///
     /// Every input must be named!
-    pub fn values(&self) -> HashMap<String, FormValue> {
+    pub fn values(&self) -> Vec<(String, FormValue)> {
         self.inner.values()
     }
 
+    /// Get the first value with the given name
+    pub fn get_first(&self, name: &str) -> Option<FormValue> {
+        self.values()
+            .into_iter()
+            .find_map(|(k, v)| if k == name { Some(v) } else { None })
+    }
+
+    /// Get all values with the given name
+    pub fn get(&self, name: &str) -> Vec<FormValue> {
+        self.values()
+            .into_iter()
+            .filter_map(|(k, v)| if k == name { Some(v) } else { None })
+            .collect()
+    }
+
     /// Get the files of the form event
     pub fn files(&self) -> Vec<FileData> {
         self.inner.files()
@@ -125,170 +79,259 @@ impl FormData {
     }
 }
 
-/// An object that has all the data for a form event
-pub trait HasFormData: HasFileData + std::any::Any {
-    fn value(&self) -> String {
-        Default::default()
-    }
-
-    fn valid(&self) -> bool {
-        true
-    }
-
-    fn values(&self) -> HashMap<String, FormValue> {
-        Default::default()
-    }
-
-    /// return self as Any
-    fn as_any(&self) -> &dyn std::any::Any;
-}
-
 impl FormData {
-    #[cfg(feature = "serialize")]
     /// Parse the values into a struct with one field per value
+    #[cfg(feature = "serialize")]
     pub fn parsed_values<T>(&self) -> Result<T, serde_json::Error>
     where
         T: serde::de::DeserializeOwned,
     {
+        use crate::SerializedFileData;
+
         let values = &self.values();
 
         let mut map = serde_json::Map::new();
         for (key, value) in values {
-            if value.0.len() == 1 {
-                map.insert(key.clone(), serde_json::Value::String(value.0[0].clone()));
-            } else {
-                let arr = value
-                    .0
-                    .iter()
-                    .cloned()
-                    .map(serde_json::Value::String)
-                    .collect();
-                map.insert(key.clone(), serde_json::Value::Array(arr));
+            let entry = map
+                .entry(key.clone())
+                .or_insert_with(|| serde_json::Value::Array(Vec::new()));
+
+            match value {
+                FormValue::Text(text) => {
+                    entry
+                        .as_array_mut()
+                        .expect("entry should be an array")
+                        .push(serde_json::Value::String(text.clone()));
+                }
+                // we create the serialized variant with no bytes
+                // SerializedFileData, if given a real path, will read the bytes from disk (synchronously)
+                FormValue::File(Some(file_data)) => {
+                    let serialized = SerializedFileData {
+                        path: file_data.path().to_owned(),
+                        size: file_data.size(),
+                        last_modified: file_data.last_modified(),
+                        content_type: file_data.content_type(),
+                        contents: None,
+                    };
+                    entry
+                        .as_array_mut()
+                        .expect("entry should be an array")
+                        .push(serde_json::to_value(&serialized).unwrap_or(serde_json::Value::Null));
+                }
+                FormValue::File(None) => {
+                    entry
+                        .as_array_mut()
+                        .expect("entry should be an array")
+                        .push(
+                            serde_json::to_value(SerializedFileData::empty())
+                                .unwrap_or(serde_json::Value::Null),
+                        );
                 }
             }
+        }
+
+        // Go through the map and convert single-element arrays to just the element
+        let map = map
+            .into_iter()
+            .map(|(k, v)| match v {
+                serde_json::Value::Array(arr) if arr.len() == 1 => {
+                    (k, arr.into_iter().next().unwrap())
+                }
+                _ => (k, v),
+            })
+            .collect::<serde_json::Map<String, serde_json::Value>>();
 
         serde_json::from_value(serde_json::Value::Object(map))
     }
 }
 
-#[cfg(feature = "serialize")]
-/// A serialized form data object
-#[derive(serde::Serialize, serde::Deserialize, Debug, PartialEq, Clone)]
-pub struct SerializedFormData {
-    #[serde(default)]
-    value: String,
-
-    #[serde(default)]
-    values: HashMap<String, FormValue>,
-
-    #[serde(default)]
-    valid: bool,
-
-    #[serde(default)]
-    files: Vec<SerializedFileData>,
-}
-
-#[cfg(feature = "serialize")]
-impl SerializedFormData {
-    /// Create a new serialized form data object
-    pub fn new(value: String, values: HashMap<String, FormValue>) -> Self {
-        Self {
-            value,
-            values,
-            valid: true,
-            files: vec![],
-        }
-    }
-
-    /// Add files to the serialized form data object
-    pub fn with_files(mut self, files: Vec<SerializedFileData>) -> Self {
-        self.files = files;
-        self
-    }
-
-    /// Create a new serialized form data object from a traditional form data object
-    pub async fn async_from(data: &FormData) -> Result<Self, dioxus_core::Error> {
-        Ok(Self {
-            value: data.value(),
-            values: data.values(),
-            valid: data.valid(),
-            files: {
-                let mut out = vec![];
-                for file in data.files() {
-                    out.push(SerializedFileData {
-                        name: file.name(),
-                        size: file.size(),
-                        content_type: file.content_type(),
-                        last_modified: file.last_modified(),
-                        path: file.pathbuf(),
-                        contents: file.read_bytes().await?,
-                    });
-                }
-                out
-            },
-        })
-    }
-
-    fn from_lossy(data: &FormData) -> Self {
-        Self {
-            value: data.value(),
-            values: data.values(),
-            valid: data.valid(),
-            files: vec![],
-        }
-    }
-}
-
-#[cfg(feature = "serialize")]
-impl HasFormData for SerializedFormData {
-    fn value(&self) -> String {
-        self.value.clone()
-    }
-
-    fn values(&self) -> HashMap<String, FormValue> {
-        self.values.clone()
-    }
-
-    fn valid(&self) -> bool {
-        self.valid
-    }
-
-    fn as_any(&self) -> &dyn std::any::Any {
-        self
-    }
-}
-
-#[cfg(feature = "serialize")]
-impl HasFileData for SerializedFormData {
-    fn files(&self) -> Vec<FileData> {
-        self.files
-            .iter()
-            .map(|f| FileData::new(f.clone()))
-            .collect()
-    }
-}
-
 impl HasFileData for FormData {
     fn files(&self) -> Vec<FileData> {
         self.inner.files()
     }
 }
 
-#[cfg(feature = "serialize")]
-impl serde::Serialize for FormData {
-    fn serialize<S: serde::Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
-        SerializedFormData::from_lossy(self).serialize(serializer)
+impl<E: HasFormData> From<E> for FormData {
+    fn from(e: E) -> Self {
+        Self { inner: Box::new(e) }
     }
 }
 
+impl PartialEq for FormData {
+    fn eq(&self, other: &Self) -> bool {
+        self.value() == other.value() && self.values() == other.values()
+    }
+}
+
+impl Debug for FormData {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        f.debug_struct("FormEvent")
+            .field("value", &self.value())
+            .field("values", &self.values())
+            .field("valid", &self.valid())
+            .finish()
+    }
+}
+
+/// A value in a form, either text or a file
+#[derive(Debug, Clone, PartialEq)]
+pub enum FormValue {
+    Text(String),
+    File(Option<FileData>),
+}
+
+impl PartialEq<str> for FormValue {
+    fn eq(&self, other: &str) -> bool {
+        match self {
+            FormValue::Text(s) => s == other,
+            FormValue::File(_f) => false,
+        }
+    }
+}
+
+impl PartialEq<&str> for FormValue {
+    fn eq(&self, other: &&str) -> bool {
+        match self {
+            FormValue::Text(s) => s == other,
+            FormValue::File(_f) => false,
+        }
+    }
+}
+
+/// An object that has all the data for a form event
+pub trait HasFormData: HasFileData + std::any::Any {
+    fn value(&self) -> String;
+
+    fn valid(&self) -> bool;
+
+    fn values(&self) -> Vec<(String, FormValue)>;
+
+    /// return self as Any
+    fn as_any(&self) -> &dyn std::any::Any;
+}
+
 #[cfg(feature = "serialize")]
-impl<'de> serde::Deserialize<'de> for FormData {
+pub use serialize::*;
+
+#[cfg(feature = "serialize")]
+mod serialize {
+    use crate::SerializedFileData;
+
+    use super::*;
+
+    /// A serialized form data object
+    #[derive(serde::Serialize, serde::Deserialize, Debug, PartialEq, Clone)]
+    pub struct SerializedFormData {
+        #[serde(default)]
+        pub value: String,
+
+        #[serde(default)]
+        pub values: Vec<SerializedFormObject>,
+
+        #[serde(default)]
+        pub valid: bool,
+    }
+
+    #[derive(serde::Serialize, serde::Deserialize, Debug, PartialEq, Clone)]
+    pub struct SerializedFormObject {
+        pub key: String,
+        pub text: Option<String>,
+        pub file: Option<SerializedFileData>,
+    }
+
+    #[cfg(feature = "serialize")]
+    impl SerializedFormData {
+        /// Create a new serialized form data object
+        pub fn new(value: String, values: Vec<SerializedFormObject>) -> Self {
+            Self {
+                value,
+                values,
+                valid: true,
+            }
+        }
+
+        /// Create a serialized form data object from a form data object
+        fn from_form_lossy(data: &FormData) -> Self {
+            if let Some(data) = data.downcast::<SerializedFormData>() {
+                return data.clone();
+            }
+
+            let values = data
+                .values()
+                .iter()
+                .map(|(key, value)| match value {
+                    FormValue::Text(s) => SerializedFormObject {
+                        key: key.clone(),
+                        text: Some(s.to_string()),
+                        file: None,
+                    },
+                    FormValue::File(f) => SerializedFormObject {
+                        key: key.clone(),
+                        text: None,
+                        file: if let Some(f) = f {
+                            Some(SerializedFileData {
+                                path: f.path(),
+                                size: f.size(),
+                                last_modified: f.last_modified(),
+                                content_type: f.content_type(),
+                                contents: None,
+                            })
+                        } else {
+                            Some(SerializedFileData::empty())
+                        },
+                    },
+                })
+                .collect();
+
+            Self {
+                values,
+                value: data.value(),
+                valid: data.valid(),
+            }
+        }
+    }
+
+    impl HasFormData for SerializedFormData {
+        fn value(&self) -> String {
+            self.value.clone()
+        }
+
+        fn values(&self) -> Vec<(String, FormValue)> {
+            todo!()
+        }
+
+        fn valid(&self) -> bool {
+            self.valid
+        }
+
+        fn as_any(&self) -> &dyn std::any::Any {
+            self
+        }
+    }
+
+    impl HasFileData for SerializedFormData {
+        fn files(&self) -> Vec<FileData> {
+            self.values
+                .iter()
+                .filter_map(|v| v.file.as_ref().map(|f| FileData::new(f.clone())))
+                .collect()
+        }
+    }
+
+    impl serde::Serialize for FormData {
+        fn serialize<S: serde::Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
+            SerializedFormData::from_form_lossy(self).serialize(serializer)
+        }
+    }
+
+    impl<'de> serde::Deserialize<'de> for FormData {
         fn deserialize<D: serde::Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error> {
             let data = SerializedFormData::deserialize(deserializer)?;
             Ok(Self {
                 inner: Box::new(data),
             })
         }
+    }
 }
 
 impl_event! {

packages/html/src/file_data.rs

@@ -1,7 +1,6 @@
-use std::{path::PathBuf, pin::Pin, prelude::rust_2024::Future};
-
 use bytes::Bytes;
 use futures_util::Stream;
+use std::{path::PathBuf, pin::Pin, prelude::rust_2024::Future};
 
 #[derive(Clone)]
 pub struct FileData {
@@ -49,11 +48,20 @@ impl FileData {
         self.inner.inner()
     }
 
-    pub fn pathbuf(&self) -> PathBuf {
+    pub fn path(&self) -> PathBuf {
         self.inner.path()
     }
 }
 
+impl PartialEq for FileData {
+    fn eq(&self, other: &Self) -> bool {
+        self.name() == other.name()
+            && self.size() == other.size()
+            && self.last_modified() == other.last_modified()
+            && self.path() == other.path()
+    }
+}
+
 pub trait NativeFileData: Send + Sync {
     fn name(&self) -> String;
     fn size(&self) -> u64;
@@ -82,34 +90,47 @@ impl std::fmt::Debug for FileData {
     }
 }
 
-impl std::cmp::PartialEq for FileData {
-    fn eq(&self, other: &Self) -> bool {
-        self.inner.name() == other.inner.name()
-            && self.inner.size() == other.inner.size()
-            && self.inner.last_modified() == other.inner.last_modified()
-    }
-}
-
 pub trait HasFileData: std::any::Any {
     fn files(&self) -> Vec<FileData>;
 }
 
-/// A serializable representation of file data\
 #[cfg(feature = "serialize")]
-#[derive(serde::Serialize, serde::Deserialize, Debug, PartialEq, Clone)]
-pub struct SerializedFileData {
-    pub name: String,
+pub use serialize::*;
+
+#[cfg(feature = "serialize")]
+mod serialize {
+    use super::*;
+
+    /// A serializable representation of file data
+    #[derive(serde::Serialize, serde::Deserialize, Debug, PartialEq, Clone)]
+    pub struct SerializedFileData {
         pub path: PathBuf,
         pub size: u64,
         pub last_modified: u64,
         pub content_type: Option<String>,
-    pub contents: bytes::Bytes,
-}
+        pub contents: Option<bytes::Bytes>,
+    }
 
-#[cfg(feature = "serialize")]
-impl NativeFileData for SerializedFileData {
+    impl SerializedFileData {
+        /// Create a new empty serialized file data object
+        pub fn empty() -> Self {
+            Self {
+                path: PathBuf::new(),
+                size: 0,
+                last_modified: 0,
+                content_type: None,
+                contents: None,
+            }
+        }
+    }
+
+    impl NativeFileData for SerializedFileData {
         fn name(&self) -> String {
-        self.name.clone()
+            self.path()
+                .file_name()
+                .unwrap()
+                .to_string_lossy()
+                .into_owned()
         }
 
         fn size(&self) -> u64 {
@@ -124,22 +145,64 @@ impl NativeFileData for SerializedFileData {
             &self,
         ) -> Pin<Box<dyn Future<Output = Result<Bytes, dioxus_core::Error>> + 'static>> {
             let contents = self.contents.clone();
-        Box::pin(async move { Ok(contents) })
+            let path = self.path.clone();
+
+            Box::pin(async move {
+                if let Some(contents) = contents {
+                    return Ok(contents);
+                }
+
+                #[cfg(not(target_arch = "wasm32"))]
+                if path.exists() {
+                    return Ok(std::fs::read(path).map(Bytes::from)?);
+                }
+
+                Err(dioxus_core::Error::msg("File contents not available"))
+            })
         }
 
         fn read_string(
             &self,
         ) -> Pin<Box<dyn Future<Output = Result<String, dioxus_core::Error>> + 'static>> {
             let contents = self.contents.clone();
-        Box::pin(async move { Ok(String::from_utf8(contents.to_vec())?) })
+            let path = self.path.clone();
+
+            Box::pin(async move {
+                if let Some(contents) = contents {
+                    return Ok(String::from_utf8(contents.to_vec())?);
+                }
+
+                #[cfg(not(target_arch = "wasm32"))]
+                if path.exists() {
+                    return Ok(std::fs::read_to_string(path)?);
+                }
+
+                Err(dioxus_core::Error::msg("File contents not available"))
+            })
         }
 
         fn byte_stream(
             &self,
-    ) -> Pin<Box<dyn futures_util::Stream<Item = Result<Bytes, dioxus_core::Error>> + 'static + Send>>
-    {
+        ) -> Pin<
+            Box<
+                dyn futures_util::Stream<Item = Result<Bytes, dioxus_core::Error>> + 'static + Send,
+            >,
+        > {
             let contents = self.contents.clone();
-        Box::pin(futures_util::stream::once(async move { Ok(contents) }))
+            let path = self.path.clone();
+
+            Box::pin(futures_util::stream::once(async move {
+                if let Some(contents) = contents {
+                    return Ok(contents);
+                }
+
+                #[cfg(not(target_arch = "wasm32"))]
+                if path.exists() {
+                    return Ok(std::fs::read(path).map(Bytes::from)?);
+                }
+
+                Err(dioxus_core::Error::msg("File contents not available"))
+            }))
         }
 
         fn inner(&self) -> &dyn std::any::Any {
@@ -153,4 +216,15 @@ impl NativeFileData for SerializedFileData {
         fn content_type(&self) -> Option<String> {
             self.content_type.clone()
         }
+    }
+
+    impl<'de> serde::Deserialize<'de> for FileData {
+        fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
+        where
+            D: serde::Deserializer<'de>,
+        {
+            let sfd = SerializedFileData::deserialize(deserializer)?;
+            Ok(FileData::new(sfd))
+        }
+    }
 }

packages/interpreter/build.rs

@@ -2,7 +2,7 @@ fn main() {
     // If any TS files change, re-run the build script
     lazy_js_bundle::LazyTypeScriptBindings::new()
         .with_watching("./src/ts")
-        .with_binding("./src/ts/common.ts", "./src/js/common.js")
+        .with_binding("./src/ts/set_attribute.ts", "./src/js/set_attribute.js")
         .with_binding("./src/ts/native.ts", "./src/js/native.js")
         .with_binding("./src/ts/core.ts", "./src/js/core.js")
         .with_binding("./src/ts/hydrate.ts", "./src/js/hydrate.js")

packages/interpreter/src/js/common.js

@@ -1 +1 @@
-function setAttributeInner(node,field,value,ns){if(ns==="style"){node.style.setProperty(field,value);return}if(ns){node.setAttributeNS(ns,field,value);return}switch(field){case"value":if(node.tagName==="OPTION")setAttributeDefault(node,field,value);else if(node.value!==value)node.value=value;break;case"initial_value":node.defaultValue=value;break;case"checked":node.checked=truthy(value);break;case"initial_checked":node.defaultChecked=truthy(value);break;case"selected":node.selected=truthy(value);break;case"initial_selected":node.defaultSelected=truthy(value);break;case"dangerous_inner_html":node.innerHTML=value;break;case"style":let existingStyles={};for(let i=0;i<node.style.length;i++){let prop=node.style[i];existingStyles[prop]=node.style.getPropertyValue(prop)}node.setAttribute(field,value);for(let prop in existingStyles)if(!node.style.getPropertyValue(prop))node.style.setProperty(prop,existingStyles[prop]);break;case"multiple":if(setAttributeDefault(node,field,value),node.options!==null&&node.options!==void 0){let options=node.options;for(let option of options)option.selected=option.defaultSelected}break;default:setAttributeDefault(node,field,value)}}function setAttributeDefault(node,field,value){if(!truthy(value)&&isBoolAttr(field))node.removeAttribute(field);else node.setAttribute(field,value)}function truthy(val){return val==="true"||val===!0}function isBoolAttr(field){switch(field){case"allowfullscreen":case"allowpaymentrequest":case"async":case"autofocus":case"autoplay":case"checked":case"controls":case"default":case"defer":case"disabled":case"formnovalidate":case"hidden":case"ismap":case"itemscope":case"loop":case"multiple":case"muted":case"nomodule":case"novalidate":case"open":case"playsinline":case"readonly":case"required":case"reversed":case"selected":case"truespeed":case"webkitdirectory":return!0;default:return!1}}function retrieveFormValues(form){let formData=new FormData(form),contents={};return formData.forEach((value,key)=>{if(value instanceof File){contents[key]=[value.name];return}if(contents[key])contents[key].push(value);else contents[key]=[value]}),{valid:form.checkValidity(),values:contents}}export{setAttributeInner,retrieveFormValues};
+function setAttributeInner(node,field,value,ns){if(ns==="style"){node.style.setProperty(field,value);return}if(ns){node.setAttributeNS(ns,field,value);return}switch(field){case"value":if(node.tagName==="OPTION")setAttributeDefault(node,field,value);else if(node.value!==value)node.value=value;break;case"initial_value":node.defaultValue=value;break;case"checked":node.checked=truthy(value);break;case"initial_checked":node.defaultChecked=truthy(value);break;case"selected":node.selected=truthy(value);break;case"initial_selected":node.defaultSelected=truthy(value);break;case"dangerous_inner_html":node.innerHTML=value;break;case"style":let existingStyles={};for(let i=0;i<node.style.length;i++){let prop=node.style[i];existingStyles[prop]=node.style.getPropertyValue(prop)}node.setAttribute(field,value);for(let prop in existingStyles)if(!node.style.getPropertyValue(prop))node.style.setProperty(prop,existingStyles[prop]);break;case"multiple":if(setAttributeDefault(node,field,value),node.options!==null&&node.options!==void 0){let options=node.options;for(let option of options)option.selected=option.defaultSelected}break;default:setAttributeDefault(node,field,value)}}function setAttributeDefault(node,field,value){if(!truthy(value)&&isBoolAttr(field))node.removeAttribute(field);else node.setAttribute(field,value)}function truthy(val){return val==="true"||val===!0}function isBoolAttr(field){switch(field){case"allowfullscreen":case"allowpaymentrequest":case"async":case"autofocus":case"autoplay":case"checked":case"controls":case"default":case"defer":case"disabled":case"formnovalidate":case"hidden":case"ismap":case"itemscope":case"loop":case"multiple":case"muted":case"nomodule":case"novalidate":case"open":case"playsinline":case"readonly":case"required":case"reversed":case"selected":case"truespeed":case"webkitdirectory":return!0;default:return!1}}function retrieveFormValues(form){let formData=new FormData(form),contents=[];return formData.forEach((value,key)=>{if(value instanceof File){let fileData={name:value.name,path:value.webkitRelativePath,size:value.size,last_modified:value.lastModified,content_type:value.type};contents.push([key,fileData])}else contents.push([key,value])}),{valid:form.checkValidity(),values:contents}}export{setAttributeInner,retrieveFormValues};

packages/interpreter/src/js/hash.txt

@@ -1 +1 @@
-[6449103750905854967, 17669692872757955279, 4701826235737143966, 11420464406527728232, 3770103091118609057, 5444526391971481782, 14692042304579321130, 5052021921702764563, 7041565893588933645, 11339769846046015954]
+[17669692872757955279, 11420464406527728232, 3770103091118609057, 5444526391971481782, 8889858244860485542, 5052021921702764563, 5113938988622536969, 11339769846046015954]

packages/interpreter/src/js/native.js

@@ -1 +1 @@
-function retrieveValues(event,target){let contents={values:{}},form=target.closest("form");if(form){if(event.type==="input"||event.type==="change"||event.type==="submit"||event.type==="reset"||event.type==="click")contents=retrieveFormValues(form)}return contents}function retrieveFormValues(form){let formData=new FormData(form),contents={};return formData.forEach((value,key)=>{if(value instanceof File){contents[key]=[value.name];return}if(contents[key])contents[key].push(value);else contents[key]=[value]}),{valid:form.checkValidity(),values:contents}}function retrieveSelectValue(target){let options=target.selectedOptions,values=[];for(let i=0;i<options.length;i++)values.push(options[i].value);return values}function serializeEvent(event,target){let contents={},extend=(obj)=>contents={...contents,...obj};if(event instanceof WheelEvent)extend(serializeWheelEvent(event));if(event instanceof MouseEvent)extend(serializeMouseEvent(event));if(event instanceof KeyboardEvent)extend(serializeKeyboardEvent(event));if(event instanceof InputEvent)extend(serializeInputEvent(event,target));if(event instanceof PointerEvent)extend(serializePointerEvent(event));if(event instanceof AnimationEvent)extend(serializeAnimationEvent(event));if(event instanceof TransitionEvent)extend({property_name:event.propertyName,elapsed_time:event.elapsedTime,pseudo_element:event.pseudoElement});if(event instanceof CompositionEvent)extend({data:event.data});if(event instanceof DragEvent)extend(serializeDragEvent(event));if(event instanceof FocusEvent)extend({});if(event instanceof ClipboardEvent)extend({});if(event instanceof CustomEvent){let detail=event.detail;if(detail instanceof ResizeObserverEntry)extend(serializeResizeEventDetail(detail));else if(detail instanceof IntersectionObserverEntry)extend(serializeIntersectionEventDetail(detail))}if(typeof TouchEvent!=="undefined"&&event instanceof TouchEvent)extend(serializeTouchEvent(event));if(event.type==="submit"||event.type==="reset"||event.type==="click"||event.type==="change"||event.type==="input")extend(serializeInputEvent(event,target));if(event instanceof DragEvent);if(event.type==="scroll")extend(serializeScrollEvent(event));return contents}function toSerializableResizeObserverSize(size,is_inline_width){return[is_inline_width?size.inlineSize:size.blockSize,is_inline_width?size.blockSize:size.inlineSize]}function serializeResizeEventDetail(detail){let is_inline_width=!0;if(detail.target instanceof HTMLElement){if(window.getComputedStyle(detail.target).getPropertyValue("writing-mode")!=="horizontal-tb")is_inline_width=!1}return{border_box_size:detail.borderBoxSize!==void 0?toSerializableResizeObserverSize(detail.borderBoxSize[0],is_inline_width):detail.contentRect,content_box_size:detail.contentBoxSize!==void 0?toSerializableResizeObserverSize(detail.contentBoxSize[0],is_inline_width):detail.contentRect,content_rect:detail.contentRect}}function serializeIntersectionEventDetail(detail){return{bounding_client_rect:detail.boundingClientRect,intersection_ratio:detail.intersectionRatio,intersection_rect:detail.intersectionRect,is_intersecting:detail.isIntersecting,root_bounds:detail.rootBounds,time_ms:Math.floor(Date.now()+detail.time)}}function serializeInputEvent(event,target){let contents={};if(target instanceof HTMLElement){let values=retrieveValues(event,target);contents.values=values.values,contents.valid=values.valid}if(event.target instanceof HTMLInputElement){let target2=event.target,value=target2.value??target2.textContent??"";if(target2.type==="checkbox")value=target2.checked?"true":"false";else if(target2.type==="radio")value=target2.value;contents.value=value}if(event.target instanceof HTMLTextAreaElement)contents.value=event.target.value;if(event.target instanceof HTMLSelectElement)contents.value=retrieveSelectValue(event.target).join(",");if(contents.value===void 0)contents.value="";return contents}function serializeWheelEvent(event){return{delta_x:event.deltaX,delta_y:event.deltaY,delta_z:event.deltaZ,delta_mode:event.deltaMode}}function serializeTouchEvent(event){return{alt_key:event.altKey,ctrl_key:event.ctrlKey,meta_key:event.metaKey,shift_key:event.shiftKey,changed_touches:serializeTouchList(event.changedTouches),target_touches:serializeTouchList(event.targetTouches),touches:serializeTouchList(event.touches)}}function serializePointerEvent(event){return{alt_key:event.altKey,button:event.button,buttons:event.buttons,client_x:event.clientX,client_y:event.clientY,ctrl_key:event.ctrlKey,meta_key:event.metaKey,page_x:event.pageX,page_y:event.pageY,screen_x:event.screenX,screen_y:event.screenY,shift_key:event.shiftKey,pointer_id:event.pointerId,width:event.width,height:event.height,pressure:event.pressure,tangential_pressure:event.tangentialPressure,tilt_x:event.tiltX,tilt_y:event.tiltY,twist:event.twist,pointer_type:event.pointerType,is_primary:event.isPrimary}}function serializeTouchList(touchList){let serializedTouches=[];for(let i=0;i<touchList.length;i++){let touch=touchLisLine truncated
+function serializeEvent(event,target){let contents={},extend=(obj)=>contents={...contents,...obj};if(event instanceof WheelEvent)extend(serializeWheelEvent(event));if(event instanceof MouseEvent)extend(serializeMouseEvent(event));if(event instanceof KeyboardEvent)extend(serializeKeyboardEvent(event));if(event instanceof InputEvent)extend(serializeInputEvent(event,target));if(event instanceof PointerEvent)extend(serializePointerEvent(event));if(event instanceof AnimationEvent)extend(serializeAnimationEvent(event));if(event instanceof TransitionEvent)extend({property_name:event.propertyName,elapsed_time:event.elapsedTime,pseudo_element:event.pseudoElement});if(event instanceof CompositionEvent)extend({data:event.data});if(event instanceof DragEvent)extend(serializeDragEvent(event));if(event instanceof FocusEvent)extend({});if(event instanceof ClipboardEvent)extend({});if(event instanceof CustomEvent){let detail=event.detail;if(detail instanceof ResizeObserverEntry)extend(serializeResizeEventDetail(detail));else if(detail instanceof IntersectionObserverEntry)extend(serializeIntersectionEventDetail(detail))}if(typeof TouchEvent<"u"&&event instanceof TouchEvent)extend(serializeTouchEvent(event));if(event.type==="submit"||event.type==="reset"||event.type==="click"||event.type==="change"||event.type==="input")extend(serializeInputEvent(event,target));if(event instanceof DragEvent){let files=[];if(event.dataTransfer&&event.dataTransfer.files)for(let i=0;i<event.dataTransfer.files.length;i++){let file=event.dataTransfer.files[i],data={path:file.name,size:file.size,last_modified:file.lastModified,content_type:file.type};files.push({key:file.name,file:data})}extend({files})}if(event.type==="scroll")extend(serializeScrollEvent(event));return contents}function toSerializableResizeObserverSize(size,is_inline_width){return[is_inline_width?size.inlineSize:size.blockSize,is_inline_width?size.blockSize:size.inlineSize]}function serializeResizeEventDetail(detail){let is_inline_width=!0;if(detail.target instanceof HTMLElement){if(window.getComputedStyle(detail.target).getPropertyValue("writing-mode")!=="horizontal-tb")is_inline_width=!1}return{border_box_size:detail.borderBoxSize!==void 0?toSerializableResizeObserverSize(detail.borderBoxSize[0],is_inline_width):detail.contentRect,content_box_size:detail.contentBoxSize!==void 0?toSerializableResizeObserverSize(detail.contentBoxSize[0],is_inline_width):detail.contentRect,content_rect:detail.contentRect}}function serializeIntersectionEventDetail(detail){return{bounding_client_rect:detail.boundingClientRect,intersection_ratio:detail.intersectionRatio,intersection_rect:detail.intersectionRect,is_intersecting:detail.isIntersecting,root_bounds:detail.rootBounds,time_ms:Math.floor(Date.now()+detail.time)}}function serializeInputEvent(event,target){let contents={};if(target instanceof HTMLElement){let values=extractSerializedFormValues(event,target);contents.values=values.values,contents.valid=values.valid}if(event.target instanceof HTMLInputElement){let target2=event.target,value=target2.value??target2.textContent??"";if(target2.type==="checkbox")value=target2.checked?"true":"false";else if(target2.type==="radio")value=target2.value;contents.value=value}if(event.target instanceof HTMLTextAreaElement)contents.value=event.target.value;if(event.target instanceof HTMLSelectElement)contents.value=retrieveSelectValue(event.target).join(",");if(contents.value===void 0)contents.value="";return contents}function serializeWheelEvent(event){return{delta_x:event.deltaX,delta_y:event.deltaY,delta_z:event.deltaZ,delta_mode:event.deltaMode}}function serializeTouchEvent(event){return{alt_key:event.altKey,ctrl_key:event.ctrlKey,meta_key:event.metaKey,shift_key:event.shiftKey,changed_touches:serializeTouchList(event.changedTouches),target_touches:serializeTouchList(event.targetTouches),touches:serializeTouchList(event.touches)}}function serializePointerEvent(event){return{alt_key:event.altKey,button:event.button,buttons:event.buttons,client_x:event.clientX,client_y:event.clientY,ctrl_key:event.ctrlKey,meta_key:event.metaKey,page_x:event.pageX,page_y:event.pageY,screen_x:event.screenX,screen_y:event.screenY,shift_key:event.shiftKey,pointer_id:event.pointerId,width:event.width,height:event.height,pressure:event.pressure,tangential_pressure:event.tangentialPressure,tilt_x:event.tiltX,tilt_y:event.tiltY,twist:event.twist,pointer_type:event.pointerType,is_primary:event.isPrimary}}function serializeTouchList(touchList){let serializedTouches=[];for(let i=0;i<touchList.length;i++){let touch=touchList[i];serializedTouches.push({identifier:touch.identifier,client_x:touch.clientX,client_y:touch.clientY,page_x:touch.pageX,page_y:touch.pageY,screen_x:touch.screenX,screen_y:touch.screenY,radius_x:touch.radiusX,radius_y:touch.radiusY,rotation_angle:touch.rotationAngle,force:touch.force})}return serializedTouches}function serializeMouseEvent(event){return{alt_key:event.altKey,button:event.button,buttons:event.buttonsLine truncated

packages/interpreter/src/js/set_attribute.js

@@ -0,0 +1 @@
+function setAttributeInner(node,field,value,ns){if(ns==="style"){node.style.setProperty(field,value);return}if(ns){node.setAttributeNS(ns,field,value);return}switch(field){case"value":if(node.tagName==="OPTION")setAttributeDefault(node,field,value);else if(node.value!==value)node.value=value;break;case"initial_value":node.defaultValue=value;break;case"checked":node.checked=truthy(value);break;case"initial_checked":node.defaultChecked=truthy(value);break;case"selected":node.selected=truthy(value);break;case"initial_selected":node.defaultSelected=truthy(value);break;case"dangerous_inner_html":node.innerHTML=value;break;case"style":let existingStyles={};for(let i=0;i<node.style.length;i++){let prop=node.style[i];existingStyles[prop]=node.style.getPropertyValue(prop)}node.setAttribute(field,value);for(let prop in existingStyles)if(!node.style.getPropertyValue(prop))node.style.setProperty(prop,existingStyles[prop]);break;case"multiple":if(setAttributeDefault(node,field,value),node.options!==null&&node.options!==void 0){let options=node.options;for(let option of options)option.selected=option.defaultSelected}break;default:setAttributeDefault(node,field,value)}}function setAttributeDefault(node,field,value){if(!truthy(value)&&isBoolAttr(field))node.removeAttribute(field);else node.setAttribute(field,value)}function truthy(val){return val==="true"||val===!0}function isBoolAttr(field){switch(field){case"allowfullscreen":case"allowpaymentrequest":case"async":case"autofocus":case"autoplay":case"checked":case"controls":case"default":case"defer":case"disabled":case"formnovalidate":case"hidden":case"ismap":case"itemscope":case"loop":case"multiple":case"muted":case"nomodule":case"novalidate":case"open":case"playsinline":case"readonly":case"required":case"reversed":case"selected":case"truespeed":case"webkitdirectory":return!0;default:return!1}}export{setAttributeInner};

packages/interpreter/src/lib.rs

@@ -32,13 +32,10 @@ pub mod minimal_bindings {
     /// Some useful snippets that we use to share common functionality between the different platforms we support.
     ///
     /// This maintains some sort of consistency between web, desktop, and liveview
-    #[wasm_bindgen(module = "/src/js/common.js")]
+    #[wasm_bindgen(module = "/src/js/set_attribute.js")]
     extern "C" {
         /// Set the attribute of the node
         pub fn setAttributeInner(node: JsValue, name: &str, value: JsValue, ns: Option<&str>);
-
-        /// Roll up all the values from the node into a JS object that we can deserialize
-        pub fn retrieveFormValues(node: JsValue) -> JsValue;
     }
 
     #[wasm_bindgen(module = "/src/js/hydrate.js")]

packages/interpreter/src/ts/common.ts

@@ -1,2 +0,0 @@
-export { setAttributeInner } from "./set_attribute";
-export { retrieveFormValues } from "./form";

packages/interpreter/src/ts/form.ts

@@ -1,63 +0,0 @@
-// Consistently deserialize forms and form elements for use across web/desktop/mobile
-
-type FormValues = {
-  valid?: boolean;
-  values: { [key: string]: FormDataEntryValue[] };
-}
-
-export function retrieveValues(event: Event, target: HTMLElement): FormValues {
-  let contents: FormValues = {
-    values: {}
-  };
-
-  // If there's a form...
-  let form = target.closest("form");
-
-  // If the target is an input, and the event is input or change, we want to get the value without going through the form
-  if (form) {
-    if (
-      event.type === "input"
-      || event.type === "change"
-      || event.type === "submit"
-      || event.type === "reset"
-      || event.type === "click"
-    ) {
-      contents = retrieveFormValues(form);
-    }
-  }
-
-  return contents;
-}
-
-// todo: maybe encode spaces or something?
-// We encode select multiple as a comma separated list which breaks... when there's commas in the values
-export function retrieveFormValues(form: HTMLFormElement): FormValues {
-  const formData = new FormData(form);
-  const contents: { [key: string]: FormDataEntryValue[] } = {};
-  formData.forEach((value, key) => {
-    if (value instanceof File) {
-      contents[key] = [value.name];
-      return;
-    }
-
-    if (contents[key]) {
-      contents[key].push(value);
-    } else {
-      contents[key] = [value];
-    }
-  });
-  return {
-    valid: form.checkValidity(),
-    values: contents
-  };
-}
-
-export function retrieveSelectValue(target: HTMLSelectElement): string[] {
-  // there might be multiple...
-  let options = target.selectedOptions;
-  let values = [];
-  for (let i = 0; i < options.length; i++) {
-    values.push(options[i].value);
-  }
-  return values;
-}

packages/interpreter/src/ts/native.ts

@@ -4,7 +4,7 @@
 // provide since it doesn't have access to the dom.
 
 import { BaseInterpreter, NodeId } from "./core";
-import { SerializedEvent, serializeEvent } from "./serialize";
+import { SerializedEvent, serializeEvent, SerializedFileData, extractSerializedFormValues, SerializedFormObject } from "./serialize";
 
 // okay so, we've got this JSChannel thing from sledgehammer, implicitly imported into our scope
 // we want to extend it, and it technically extends base interpreter. To make typescript happy,
@@ -21,6 +21,7 @@ export class NativeInterpreter extends JSChannel_ {
   intercept_link_redirects: boolean;
   ipc: any;
   edits: WebSocket;
+  baseUri: string;
   eventsPath: string;
   headless: boolean;
   kickStylesheets: boolean;
@@ -30,9 +31,10 @@ export class NativeInterpreter extends JSChannel_ {
   // however, for now we need to support it since WebSockets in fullstack doesn't exist yet
   liveview: boolean;
 
-  constructor(eventsPath: string, headless: boolean) {
+  constructor(baseUri: string, headless: boolean) {
     super();
-    this.eventsPath = eventsPath;
+    this.baseUri = baseUri;
+    this.eventsPath = `${baseUri}/__events`;
     this.kickStylesheets = false;
     this.headless = headless;
   }
@@ -79,20 +81,76 @@ export class NativeInterpreter extends JSChannel_ {
         // Send a message to the host to open the file dialog if the target is a file input and has a dioxus id attached to it
         let target_id = getTargetId(target);
         if (target_id !== null) {
-          const message = this.serializeIpcMessage("file_dialog", {
+          // Handle file inputs specifically, since we want to get the real file inputs from the native
+          // dialog and then set the form inputs accordingly.
+          if (
+            target instanceof HTMLInputElement &&
+            target.getAttribute("type") === "file"
+          ) {
+            // Send a message to the host to open the file dialog if the target is a file input and has a dioxus id attached to it
+            event.preventDefault();
+
+            const contents = serializeEvent(event, target);
+
+            const target_name = target.getAttribute("name") || "";
+
+            let requestData = {
               event: "change&input",
               accept: target.getAttribute("accept"),
               directory: target.getAttribute("webkitdirectory") === "true",
               multiple: target.hasAttribute("multiple"),
               target: target_id,
               bubbles: event.bubbles,
+              target_name,
+              values: contents.values,
+            };
+
+            this.fetchAgainstHost("__file_dialog", requestData).then(response => response.json()).then(resp => {
+              const formObjects: SerializedFormObject[] = resp.values;
+
+              // Create a new DataTransfer to hold the files
+              const dataTransfer = new DataTransfer();
+
+              // We name the file the path, so we can just use the path as the name later on.
+              for (let formObject of formObjects) {
+                if (formObject.key == target_name && formObject.file != null) {
+                  const file = new File([], formObject.file.path, {
+                    type: formObject.file.content_type,
+                    lastModified: formObject.file.last_modified,
                   });
-          this.ipc.postMessage(message);
-          event.preventDefault();
+                  dataTransfer.items.add(file);
+                }
+              }
+
+              // Set the files on the input
+              target.files = dataTransfer.files;
+
+              let body = {
+                data: contents,
+                element: target_id,
+                bubbles: event.bubbles,
+              };
+
+              // And then dispatch the actual event against the dom
+              contents.values = formObjects;
+              this.sendSerializedEvent({
+                ...body,
+                name: "input",
+              });
+              this.sendSerializedEvent({
+                ...body,
+                name: "change",
+              });
+            });
+
+            return;
+          }
+
         }
       }
     });
 
+
     // @ts-ignore - wry gives us this
     this.ipc = window.ipc;
 
@@ -103,8 +161,23 @@ export class NativeInterpreter extends JSChannel_ {
     super.initialize(root, handler);
   }
 
-  serializeIpcMessage(method: string, params = {}) {
-    return JSON.stringify({ method, params });
+  fetchAgainstHost(path: string, data: { [key: string]: any }): Promise<Response> {
+    let encoded_data = new TextEncoder().encode(JSON.stringify(data));
+    const base64data = btoa(
+      String.fromCharCode.apply(null, Array.from(encoded_data))
+    );
+
+    return fetch(`${this.baseUri}/${path}`, {
+      method: "GET",
+      headers: {
+        "x-dioxus-data": base64data
+      }
+    });
+  }
+
+  sendIpcMessage(method: string, params = {}) {
+    const body = JSON.stringify({ method, params });
+    this.ipc.postMessage(body);
   }
 
   scrollTo(id: NodeId, options: ScrollIntoViewOptions): boolean {
@@ -181,11 +254,14 @@ export class NativeInterpreter extends JSChannel_ {
 
   // Windows drag-n-drop fix code. Called by wry drag-n-drop handler over the event loop.
   handleWindowsDragDrop() {
+    // @ts-ignore
     if (window.dxDragLastElement) {
       const dragLeaveEvent = new DragEvent("dragleave", {
         bubbles: true,
         cancelable: true,
       });
+
+      // @ts-ignore
       window.dxDragLastElement.dispatchEvent(dragLeaveEvent);
 
       let data = new DataTransfer();
@@ -199,23 +275,29 @@ export class NativeInterpreter extends JSChannel_ {
         cancelable: true,
         dataTransfer: data,
       });
+
+      // @ts-ignore
       window.dxDragLastElement.dispatchEvent(dragDropEvent);
+      // @ts-ignore
       window.dxDragLastElement = null;
     }
   }
 
-  handleWindowsDragOver(xPos, yPos) {
+  handleWindowsDragOver(xPos: number, yPos: number) {
     const displayScaleFactor = window.devicePixelRatio || 1;
     xPos /= displayScaleFactor;
     yPos /= displayScaleFactor;
     const element = document.elementFromPoint(xPos, yPos);
 
+    // @ts-ignore
     if (element != window.dxDragLastElement) {
+      // @ts-ignore
       if (window.dxDragLastElement) {
         const dragLeaveEvent = new DragEvent("dragleave", {
           bubbles: true,
           cancelable: true,
         });
+        // @ts-ignore
         window.dxDragLastElement.dispatchEvent(dragLeaveEvent);
       }
 
@@ -224,17 +306,21 @@ export class NativeInterpreter extends JSChannel_ {
         cancelable: true,
       });
       element.dispatchEvent(dragOverEvent);
+      // @ts-ignore
       window.dxDragLastElement = element;
     }
   }
 
   handleWindowsDragLeave() {
+    // @ts-ignore
     if (window.dxDragLastElement) {
       const dragLeaveEvent = new DragEvent("dragleave", {
         bubbles: true,
         cancelable: true,
       });
+      // @ts-ignore
       window.dxDragLastElement.dispatchEvent(dragLeaveEvent);
+      // @ts-ignore
       window.dxDragLastElement = null;
     }
   }
@@ -266,31 +352,30 @@ export class NativeInterpreter extends JSChannel_ {
 
   handleEvent(event: Event, name: string, bubbles: boolean) {
     const target = event.target!;
-    const realId = getTargetId(target)!;
+    const element = getTargetId(target)!;
     const contents = serializeEvent(event, target);
 
     // Handle the event on the virtualdom and then preventDefault if it also preventsDefault
     // Some listeners
     let body = {
-      name: name,
+      name,
       data: contents,
-      element: realId,
+      element,
       bubbles,
     };
 
     // liveview does not have synchronous event handling, so we need to send the event to the host
-    if (this.liveview) {
-      // Okay, so the user might've requested some files to be read
     if (
+      this.liveview &&
       target instanceof HTMLInputElement &&
       (event.type === "change" || event.type === "input")
     ) {
       if (target.getAttribute("type") === "file") {
-          this.readFiles(target, contents, bubbles, realId, name);
+        this.readFiles(target, contents, bubbles, element, name);
         return;
       }
     }
-    }
+
     const response = this.sendSerializedEvent(body);
     // capture/prevent default of the event if the virtualdom wants to
     if (response) {
@@ -316,8 +401,7 @@ export class NativeInterpreter extends JSChannel_ {
     bubbles: boolean;
   }): EventSyncResult | void {
     if (this.liveview) {
-      const message = this.serializeIpcMessage("user_event", body);
-      this.ipc.postMessage(message);
+      this.sendIpcMessage("user_event", body);
     } else {
       // Run the event handler on the virtualdom
       return handleVirtualdomEventSync(this.eventsPath, JSON.stringify(body));
@@ -337,9 +421,7 @@ export class NativeInterpreter extends JSChannel_ {
 
       const href = a_element.getAttribute("href");
       if (href !== "" && href !== null && href !== undefined) {
-        this.ipc.postMessage(
-          this.serializeIpcMessage("browser_open", { href })
-        );
+        this.sendIpcMessage("browser_open", { href })
       }
     }
   }

packages/interpreter/src/ts/serialize.ts

@@ -1,11 +1,13 @@
-// Handle serialization of the event data across the IPC boundarytype SerializedEvent = {};
-
-import { retrieveSelectValue, retrieveValues } from "./form";
+// Handle serialization of the event data across the IPC boundary
+//
+// Note that for files, we don't serialize their contents, expecting the renderer itself to handle
+// reading the file contents if needed. Reading files is an async operation, and should be done lazily
+// if the app needs it.
 
 export type AppTouchEvent = TouchEvent;
 
 export type SerializedEvent = {
-  values?: { [key: string]: FormDataEntryValue[] };
+  values?: SerializedFormObject[];
   value?: string;
   [key: string]: any;
 };
@@ -17,7 +19,7 @@ export function serializeEvent(
   let contents = {};
 
   // merge the object into the contents
-  let extend = (obj: any) => (contents = { ...contents, ...obj });
+  let extend = (obj: SerializedEvent) => (contents = { ...contents, ...obj });
 
   if (event instanceof WheelEvent) {
     extend(serializeWheelEvent(event));
@@ -84,22 +86,20 @@ export function serializeEvent(
 
   // If there's any files, we need to serialize them
   if (event instanceof DragEvent) {
-    // let files: { [key: string]: Uint8Array } = {};
-    // if (event.dataTransfer && event.dataTransfer.files) {
-    //   files["a"] = new Uint8Array(0);
-    //   // files = {
-    //   //   entries: Array.from(event.dataTransfer.files).map((file) => {
-    //   //     return {
-    //   //       name: file.name,
-    //   //       type: file.type,
-    //   //       size: file.size,
-    //   //       last_modified: file.lastModified,
-    //   //     };
-    //   //   }
-    //   // };
-    //   // files = await serializeFileList(event.dataTransfer.files);
-    // }
-    // extend({ files: files });
+    let files: SerializedFormObject[] = [];
+    if (event.dataTransfer && event.dataTransfer.files) {
+      for (let i = 0; i < event.dataTransfer.files.length; i++) {
+        let file = event.dataTransfer.files[i];
+        let data: SerializedFileData = {
+          path: file.name,
+          size: file.size,
+          last_modified: file.lastModified,
+          content_type: file.type,
+        }
+        files.push({ key: file.name, file: data });
+      }
+    }
+    extend({ files });
   }
 
   if (event.type === "scroll") {
@@ -173,7 +173,7 @@ function serializeInputEvent(
 
   // Attempt to retrieve the values from the form
   if (target instanceof HTMLElement) {
-    let values = retrieveValues(event, target);
+    let values = extractSerializedFormValues(event, target);
     contents.values = values.values;
     contents.valid = values.valid;
   }
@@ -377,3 +377,84 @@ function serializeScrollEvent(event: Event): SerializedEvent {
     client_height: clientHeight,
   };
 }
+
+
+export type SerializedFormData = {
+  valid?: boolean;
+  values: SerializedFormObject[];
+}
+
+export type SerializedFormObject = {
+  key: string;
+  text?: string;
+  file?: SerializedFileData;
+}
+export type SerializedFileData = {
+  // we store the real path of the file as the name.
+  // This makes it possible to simply read the file during event handling
+  path: string;
+  size?: number;
+  last_modified?: number;
+  content_type?: string;
+  contents?: string; // base64 encoded, if present. not required to br present
+};
+
+export function extractSerializedFormValues(event: Event, target: HTMLElement): SerializedFormData {
+  let contents: SerializedFormData = {
+    values: []
+  };
+
+  // If there's a form...
+  let form = target.closest("form");
+
+  // If the target is an input, and the event is input or change, we want to get the value without going through the form
+  if (form) {
+    if (
+      event.type === "input"
+      || event.type === "change"
+      || event.type === "submit"
+      || event.type === "reset"
+      || event.type === "click"
+    ) {
+      contents = retrieveFormValues(form);
+    }
+  }
+
+  return contents;
+}
+
+// todo: maybe encode spaces or something?
+// We encode select multiple as a comma separated list which breaks... when there's commas in the values
+function retrieveFormValues(form: HTMLFormElement): SerializedFormData {
+  const formData = new FormData(form);
+  const contents: SerializedFormObject[] = [];
+
+  formData.forEach((value, key) => {
+    if (value instanceof File) {
+      let fileData: SerializedFileData = {
+        path: value.name,
+        size: value.size,
+        last_modified: value.lastModified,
+        content_type: value.type,
+      };
+      contents.push({ key, file: fileData });
+    } else {
+      contents.push({ key, text: value });
+    }
+  });
+
+  return {
+    valid: form.checkValidity(),
+    values: contents
+  };
+}
+
+export function retrieveSelectValue(target: HTMLSelectElement): string[] {
+  // there might be multiple...
+  let options = target.selectedOptions;
+  let values = [];
+  for (let i = 0; i < options.length; i++) {
+    values.push(options[i].value);
+  }
+  return values;
+}

packages/native-dom/src/dioxus_document.rs

@@ -14,7 +14,7 @@ use futures_util::{pin_mut, FutureExt};
 use std::ops::{Deref, DerefMut};
 use std::sync::LazyLock;
 use std::task::{Context as TaskContext, Waker};
-use std::{any::Any, collections::HashMap, rc::Rc};
+use std::{any::Any, rc::Rc};
 
 fn wrap_event_data<T: Any>(value: T) -> Rc<dyn Any> {
     Rc::new(PlatformEventData::new(Box::new(value)))
@@ -262,7 +262,7 @@ impl EventHandler for DioxusEventHandler<'_> {
 
             DomEventData::Input(data) => Some(wrap_event_data(NativeFormData {
                 value: data.value.clone(),
-                values: HashMap::new(),
+                values: vec![],
             })),
 
             // TODO: Implement IME handling

packages/native-dom/src/events.rs

@@ -13,7 +13,6 @@ use dioxus_html::{
 };
 use keyboard_types::{Code, Key, Location, Modifiers};
 use std::any::Any;
-use std::collections::HashMap;
 
 pub struct NativeConverter {}
 
@@ -110,7 +109,7 @@ impl HtmlEventConverter for NativeConverter {
 #[derive(Clone, Debug)]
 pub struct NativeFormData {
     pub value: String,
-    pub values: HashMap<String, FormValue>,
+    pub values: Vec<(String, FormValue)>,
 }
 
 impl HasFormData for NativeFormData {
@@ -122,9 +121,13 @@ impl HasFormData for NativeFormData {
         self.value.clone()
     }
 
-    fn values(&self) -> HashMap<String, FormValue> {
+    fn values(&self) -> Vec<(String, FormValue)> {
         self.values.clone()
     }
+    fn valid(&self) -> bool {
+        // todo: actually implement validation here.
+        true
+    }
 }
 
 impl HasFileData for NativeFormData {

packages/web/Cargo.toml

@@ -85,7 +85,8 @@ features = [
     "File",
     "FileList",
     "FileReader",
-    "ReadableStream"
+    "ReadableStream",
+    "FormData"
 ]
 
 [build-dependencies]

packages/web/src/events/form.rs

@@ -1,12 +1,10 @@
-use std::{any::Any, collections::HashMap};
-
+use super::WebEventExt;
+use crate::WebFileData;
 use dioxus_html::{FileData, FormValue, HasFileData, HasFormData};
 use js_sys::Array;
-use wasm_bindgen::JsValue;
+use std::any::Any;
 use wasm_bindgen::{prelude::wasm_bindgen, JsCast};
-use web_sys::{Element, Event};
-
-use super::WebEventExt;
+use web_sys::{Element, Event, FileReader};
 
 pub(crate) struct WebFormData {
     element: Element,
@@ -67,26 +65,29 @@ impl HasFormData for WebFormData {
             .expect("only an InputElement or TextAreaElement or an element with contenteditable=true can have an oninput event listener")
     }
 
-    fn values(&self) -> HashMap<String, FormValue> {
-        let mut values = HashMap::new();
-
-        fn insert_value(map: &mut HashMap<String, FormValue>, key: String, new_value: String) {
-            map.entry(key.clone()).or_default().0.push(new_value);
-        }
+    fn values(&self) -> Vec<(String, FormValue)> {
+        let mut values = Vec::new();
 
         // try to fill in form values
         if let Some(form) = self.element.dyn_ref::<web_sys::HtmlFormElement>() {
-            let form_data = get_form_data(form);
-            for value in form_data.entries().into_iter().flatten() {
-                if let Ok(array) = value.dyn_into::<Array>() {
+            let form_data = web_sys::FormData::new_with_form(form).unwrap();
+
+            for entry in form_data.entries().into_iter().flatten() {
+                if let Ok(array) = entry.dyn_into::<Array>() {
                     if let Some(name) = array.get(0).as_string() {
-                        if let Ok(item_values) = array.get(1).dyn_into::<Array>() {
-                            item_values
-                                .iter()
-                                .filter_map(|v| v.as_string())
-                                .for_each(|v| insert_value(&mut values, name.clone(), v));
-                        } else if let Ok(item_value) = array.get(1).dyn_into::<JsValue>() {
-                            insert_value(&mut values, name, item_value.as_string().unwrap());
+                        let value = array.get(1);
+                        if let Some(file) = value.dyn_ref::<web_sys::File>() {
+                            if file.name().is_empty() {
+                                values.push((name, FormValue::File(None)));
+                            } else {
+                                let data =
+                                    WebFileData::new(file.clone(), FileReader::new().unwrap());
+                                let as_file = FileData::new(data);
+
+                                values.push((name, FormValue::File(Some(as_file))));
+                            }
+                        } else if let Some(s) = value.as_string() {
+                            values.push((name, FormValue::Text(s)));
                         }
                     }
                 }
@@ -94,7 +95,9 @@ impl HasFormData for WebFormData {
         } else if let Some(select) = self.element.dyn_ref::<web_sys::HtmlSelectElement>() {
             // try to fill in select element values
             let options = get_select_data(select);
-            values.insert("options".to_string(), FormValue(options));
+            for option in &options {
+                values.push((select.name(), FormValue::Text(option.clone())));
+            }
         }
 
         values
@@ -103,6 +106,14 @@ impl HasFormData for WebFormData {
     fn as_any(&self) -> &dyn Any {
         &self.event as &dyn Any
     }
+
+    fn valid(&self) -> bool {
+        self.event
+            .target()
+            .and_then(|t| t.dyn_into::<web_sys::HtmlInputElement>().ok())
+            .map(|input| input.check_validity())
+            .unwrap_or(true)
+    }
 }
 
 impl HasFileData for WebFormData {
@@ -135,20 +146,3 @@ export function get_select_data(select) {
 extern "C" {
     fn get_select_data(select: &web_sys::HtmlSelectElement) -> Vec<String>;
 }
-
-// web-sys does not expose the keys api for form data, so we need to manually bind to it
-#[wasm_bindgen(inline_js = r#"
-export function get_form_data(form) {
-    let values = new Map();
-    const formData = new FormData(form);
-
-    for (let name of formData.keys()) {
-        values.set(name, formData.getAll(name));
-    }
-
-    return values;
-}
-"#)]
-extern "C" {
-    fn get_form_data(form: &web_sys::HtmlFormElement) -> js_sys::Map;
-}