feat(kanban): prove accessible local reorder

req: client_local/013\nreq: accessibility/002\nreq: accessibility/003\nreq: accessibility/004\nreq: accessibility/006\nreq: milestone/001

examples/kanban/src/bin/client_fixture.rs

@@ -0,0 +1,3 @@
+fn main() {
+    print!("{}", hemx_kanban_example::render_client_fixture());
+}

examples/kanban/src/lib.rs

@@ -1,6 +1,66 @@
 #[hemx::surface]
 pub mod ui {}
 
+#[cfg(feature = "client")]
+#[hemx::handler(client)]
+pub fn reorder_card(
+    event: hemx::wasm::ClientEvent,
+    state: hemx::wasm::ClientState,
+) -> impl hemx::IntoEffect {
+    let card = event.value.unwrap_or_else(|| "1".to_owned());
+    let order = state.encoded.split('|').collect::<Vec<_>>();
+    let move_effect = if card == order.first().copied().unwrap_or("1") {
+        ui::client_board::client_cards.move_to_end(card.clone())
+    } else {
+        ui::client_board::client_cards.move_before(
+            card.clone(),
+            order.first().copied().unwrap_or("1").to_owned(),
+        )
+    };
+    vec![
+        move_effect,
+        ui::client_board::client_notice.text(format!("Moved {card} with {}", event.kind)),
+    ]
+}
+
+#[cfg(all(feature = "fixture", not(target_arch = "wasm32")))]
+mod fixture {
+    use super::ui;
+    use hemplate::Hemplate;
+    use hemx::Html;
+
+    #[derive(Hemplate)]
+    struct ClientBoard {
+        cards: Vec<ClientCard>,
+    }
+
+    #[derive(Hemplate)]
+    struct ClientCard {
+        id: u64,
+        title: &'static str,
+    }
+
+    pub fn render() -> Html {
+        ui::client_board::page(&ClientBoard {
+            cards: vec![
+                ClientCard {
+                    id: 1,
+                    title: "First",
+                },
+                ClientCard {
+                    id: 2,
+                    title: "Second",
+                },
+            ],
+        })
+    }
+}
+
+#[cfg(all(feature = "fixture", not(target_arch = "wasm32")))]
+pub fn render_client_fixture() -> hemx::Html {
+    fixture::render()
+}
+
 #[cfg(test)]
 mod tests {
     use super::ui::{board, board_card};