feat: Opt-out html in dioxus-router (#4217)

* feat: Opt-out `html` in `dioxus-router`

* typo: Enable html by default

* Fix cargo doc on html

---------

Co-authored-by: Jonathan Kelley <jkelleyrtp@gmail.com>

Cargo.toml

@@ -136,7 +136,7 @@ version = "0.7.0-alpha.1"
 # dependencies that are shared across packages
 [workspace.dependencies]
 dioxus = { path = "packages/dioxus", version = "0.7.0-alpha.1" }
-dioxus-lib = { path = "packages/dioxus-lib", version = "0.7.0-alpha.1" }
+dioxus-lib = { path = "packages/dioxus-lib", version = "0.7.0-alpha.1", default-features = false }
 dioxus-core = { path = "packages/core", version = "0.7.0-alpha.1" }
 dioxus-core-types = { path = "packages/core-types", version = "0.7.0-alpha.1" }
 dioxus-core-macro = { path = "packages/core-macro", version = "0.7.0-alpha.1" }

packages/router/Cargo.toml

@@ -10,7 +10,7 @@ homepage = "https://dioxuslabs.com"
 keywords = ["dom", "ui", "gui", "react", "wasm"]
 
 [dependencies]
-dioxus-lib = { workspace = true }
+dioxus-lib = { workspace = true, default-features = false, features = ["signals", "macro", "hooks"] }
 dioxus-history = { workspace = true }
 dioxus-router-macro = { workspace = true }
 dioxus-fullstack-hooks = { workspace = true, optional = true }
@@ -21,9 +21,10 @@ dioxus-cli-config = { workspace = true }
 rustversion = { workspace = true }
 
 [features]
-default = []
+default = ["html"]
 streaming = ["dep:dioxus-fullstack-hooks"]
 wasm-split = []
+html = ["dioxus-lib/html"]
 
 [dev-dependencies]
 axum = { workspace = true, features = ["ws"] }

packages/router/src/lib.rs

@@ -10,13 +10,19 @@ pub mod routable;
 
 /// Components interacting with the router.
 pub mod components {
+    #[cfg(feature = "html")]
     mod default_errors;
+    #[cfg(feature = "html")]
     pub use default_errors::*;
 
+    #[cfg(feature = "html")]
     mod history_buttons;
+    #[cfg(feature = "html")]
     pub use history_buttons::*;
 
+    #[cfg(feature = "html")]
     mod link;
+    #[cfg(feature = "html")]
     pub use link::*;
 
     mod outlet;
@@ -60,10 +66,11 @@ pub use hooks::router;
 
 /// A collection of useful items most applications might need.
 pub mod prelude {
+    #[cfg(feature = "html")]
     pub use crate::components::{
-        GoBackButton, GoForwardButton, HistoryButtonProps, Link, LinkProps, Outlet, Router,
-        RouterProps,
+        GoBackButton, GoForwardButton, HistoryButtonProps, Link, LinkProps,
     };
+    pub use crate::components::{Outlet, Router, RouterProps};
     pub use crate::contexts::*;
     pub use crate::hooks::*;
     pub use crate::navigation::*;

packages/router/src/router_cfg.rs

@@ -1,4 +1,4 @@
-use crate::{components::FailureExternalNavigation, prelude::*};
+use crate::prelude::*;
 use dioxus_lib::prelude::*;
 use std::sync::Arc;
 
@@ -31,10 +31,21 @@ pub struct RouterConfig<R> {
     pub(crate) on_update: Option<RoutingCallback<R>>,
 }
 
+#[cfg(not(feature = "html"))]
 impl<R> Default for RouterConfig<R> {
     fn default() -> Self {
         Self {
-            failure_external_navigation: FailureExternalNavigation,
+            failure_external_navigation: || VNode::empty(),
+            on_update: None,
+        }
+    }
+}
+
+#[cfg(feature = "html")]
+impl<R> Default for RouterConfig<R> {
+    fn default() -> Self {
+        Self {
+            failure_external_navigation: crate::components::FailureExternalNavigation,
             on_update: None,
         }
     }
@@ -69,7 +80,10 @@ where
 
     /// A component to render when an external navigation fails.
     ///
-    /// Defaults to a router-internal component called [`FailureExternalNavigation`]
+    #[cfg_attr(
+        feature = "html",
+        doc = "Defaults to [`crate::components::FailureExternalNavigation`]."
+    )]
     pub fn failure_external_navigation(self, component: fn() -> Element) -> Self {
         Self {
             failure_external_navigation: component,