Fix wasm build

lucasmerlin · Sep 29, 2024 · f31a23b · f31a23b
1 parent db10b04
commit f31a23b
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Showing 2 changed files with 11 additions and 1 deletion.
diff --git a/crates/egui_router/src/history/mod.rs b/crates/egui_router/src/history/mod.rs
@@ -45,6 +45,7 @@ type HistoryResult<T = ()> = Result<T, HistoryError>;
 /// History error
 #[derive(Debug, thiserror::Error)]
 pub enum HistoryError {
+    /// Updating the browser history failed
     #[cfg(target_arch = "wasm32")]
     #[error("History error: {0:?}")]
     JsError(wasm_bindgen::JsValue),

diff --git a/fancy-example/src/main.rs b/fancy-example/src/main.rs
@@ -165,11 +165,20 @@ fn main() -> eframe::Result<()> {
 // when compiling to web using trunk.
 #[cfg(target_arch = "wasm32")]
 fn main() {
+    use wasm_bindgen::JsCast;
     let web_options = eframe::WebOptions::default();
+    let element = eframe::web_sys::window()
+        .expect("failed to get window")
+        .document()
+        .expect("failed to get document")
+        .get_element_by_id("canvas")
+        .expect("failed to get canvas element")
+        .dyn_into::<eframe::web_sys::HtmlCanvasElement>()
+        .unwrap();
     wasm_bindgen_futures::spawn_local(async {
         eframe::WebRunner::new()
             .start(
-                "canvas",
+                element,
                 web_options,
                 Box::new(|a| {
                     egui_extras::install_image_loaders(&a.egui_ctx);