Keep checked attribute for elements without special handling (#3373)

* Return checked attr for non-input elements

* Add tests

* fine

packages/yew-macro/src/html_tree/html_element.rs

@@ -641,6 +641,9 @@ impl Parse for HtmlElementOpen {
                             if let Some(attr) = props.value.take() {
                                 props.attributes.push(attr);
                             }
+                            if let Some(attr) = props.checked.take() {
+                                props.attributes.push(attr);
+                            }
                         }
                     }
                 }

packages/yew/src/dom_bundle/btag/mod.rs

@@ -1096,6 +1096,7 @@ mod layout_tests {
 #[cfg(test)]
 mod tests_without_browser {
     use crate::html;
+    use crate::virtual_dom::VNode;
 
     #[test]
     fn html_if_bool() {
@@ -1268,4 +1269,32 @@ mod tests_without_browser {
             html! { <div><></></div> },
         );
     }
+
+    #[test]
+    fn input_checked_stays_there() {
+        let tag = html! {
+            <input checked={true} />
+        };
+        match tag {
+            VNode::VTag(tag) => {
+                assert_eq!(tag.checked(), Some(true));
+            }
+            _ => unreachable!(),
+        }
+    }
+    #[test]
+    fn non_input_checked_stays_there() {
+        let tag = html! {
+            <my-el checked="true" />
+        };
+        match tag {
+            VNode::VTag(tag) => {
+                assert_eq!(
+                    tag.attributes.iter().find(|(k, _)| *k == "checked"),
+                    Some(("checked", "true"))
+                );
+            }
+            _ => unreachable!(),
+        }
+    }
 }