Merge branch 'master' into fix-non-str-attributes

packages/tui/examples/tui_colorpicker.rs

@@ -17,12 +17,14 @@ fn app(cx: Scope) -> Element {
             width: "100%",
             background_color: "hsl({hue}, 70%, {brightness}%)",
             onmousemove: move |evt| {
-                if let RenderReturn::Sync(Ok(node))=cx.root_node(){
-                    let node = tui_query.get(node.root_ids[0].get());
-                    let Size{width, height} = node.size().unwrap();
-                    let pos = evt.inner().element_coordinates();
-                    hue.set((pos.x as f32/width as f32)*255.0);
-                    brightness.set((pos.y as f32/height as f32)*100.0);
+                if let RenderReturn::Sync(Ok(node)) = cx.root_node() {
+                    if let Some(id) = node.root_ids[0].get() {
+                        let node = tui_query.get(id);
+                        let Size{width, height} = node.size().unwrap();
+                        let pos = evt.inner().element_coordinates();
+                        hue.set((pos.x as f32/width as f32)*255.0);
+                        brightness.set((pos.y as f32/height as f32)*100.0);
+                    }
                 }
             },
             "hsl({hue}, 70%, {brightness}%)",

packages/tui/src/widgets/mod.rs

@@ -11,7 +11,7 @@ pub use input::*;
 
 pub(crate) fn get_root_id<T>(cx: Scope<T>) -> Option<ElementId> {
     if let RenderReturn::Sync(Ok(sync)) = cx.root_node() {
-        sync.root_ids.get(0).map(|id| id.get())
+        sync.root_ids.get(0).and_then(|id| id.get())
     } else {
         None
     }