add comp() and default failure components

packages/router/src/components/default_errors.rs

@@ -0,0 +1,59 @@
+use crate::components::Link;
+use dioxus::prelude::*;
+use dioxus_router_core::prelude::{named, RootIndex};
+
+#[allow(non_snake_case)]
+pub fn FailureExternalNavigation(cx: Scope) -> Element {
+    todo!("add href to FailureExternalNavigation link");
+
+    render! {
+        h1 { "External Navigation Failure!" }
+        p {
+            "The application tried to programmatically navigate to an external page. This "
+            "operation has failed. Click the link below to complete the navigation manually."
+        }
+        a {
+            "Click here to fix the failure."
+        }
+    }
+}
+
+#[allow(non_snake_case)]
+pub fn FailureNamedNavigation(cx: Scope) -> Element {
+    render! {
+        h1 { "Named Navigation Failure!" }
+        p {
+            "The application has tried to navigate to an unknown name. This is a bug. Please "
+            "inform the developer, so they can fix it."
+            b { "Thank you!" }
+        }
+        p {
+            "We are sorry for the inconvenience. The link below may help to fix the problem, but "
+            "there is no guarantee."
+        }
+        Link {
+            target: named::<RootIndex>(),
+            "Click here to try to fix the failure."
+        }
+    }
+}
+
+#[allow(non_snake_case)]
+pub fn FailureRedirectionLimit(cx: Scope) -> Element {
+    render! {
+        h1 { "Redirection Limit Failure!" }
+        p {
+            "The application seems to have entered into an endless redirection loop. This is a "
+            "bug. Please inform the developer, so they can fix it."
+            b { "Thank you!" }
+        }
+        p {
+            "We are sorry for the inconvenience. The link below may help to fix the problem, but "
+            "there is no guarantee."
+        }
+        Link {
+            target: named::<RootIndex>(),
+            "Click here to try to fix the failure."
+        }
+    }
+}