fix meta issue with attributes

meta/src/body.rs

@@ -19,7 +19,10 @@ use leptos::{
         hydration::Cursor,
         reactive_graph::RenderEffectState,
         renderer::{dom::Dom, Renderer},
-        view::{Mountable, Position, PositionState, Render, RenderHtml},
+        view::{
+            add_attr::AddAnyAttr, Mountable, Position, PositionState, Render,
+            RenderHtml,
+        },
     },
     text_prop::TextProp,
     IntoView,
@@ -114,6 +117,20 @@ impl Render<Dom> for BodyView {
     }
 }
 
+impl AddAnyAttr<Dom> for BodyView {
+    type Output<SomeNewAttr: Attribute<Dom>> = BodyView;
+
+    fn add_any_attr<NewAttr: Attribute<Dom>>(
+        mut self,
+        attr: NewAttr,
+    ) -> Self::Output<NewAttr>
+    where
+        Self::Output<NewAttr>: RenderHtml<Dom>,
+    {
+        todo!()
+    }
+}
+
 impl RenderHtml<Dom> for BodyView {
     type AsyncOutput = Self;
 

meta/src/html.rs

@@ -20,7 +20,10 @@ use leptos::{
         hydration::Cursor,
         reactive_graph::RenderEffectState,
         renderer::{dom::Dom, Renderer},
-        view::{Mountable, Position, PositionState, Render, RenderHtml},
+        view::{
+            add_attr::AddAnyAttr, Mountable, Position, PositionState, Render,
+            RenderHtml,
+        },
     },
     text_prop::TextProp,
     IntoView,
@@ -127,6 +130,20 @@ impl Render<Dom> for HtmlView {
     }
 }
 
+impl AddAnyAttr<Dom> for HtmlView {
+    type Output<SomeNewAttr: Attribute<Dom>> = HtmlView;
+
+    fn add_any_attr<NewAttr: Attribute<Dom>>(
+        mut self,
+        attr: NewAttr,
+    ) -> Self::Output<NewAttr>
+    where
+        Self::Output<NewAttr>: RenderHtml<Dom>,
+    {
+        todo!()
+    }
+}
+
 impl RenderHtml<Dom> for HtmlView {
     type AsyncOutput = Self;
 

meta/src/lib.rs

@@ -49,6 +49,7 @@
 
 use futures::{Stream, StreamExt};
 use leptos::{
+    attr::NextAttribute,
     component,
     logging::debug_warn,
     reactive_graph::owner::{provide_context, use_context},
@@ -60,7 +61,10 @@ use leptos::{
         },
         hydration::Cursor,
         renderer::{dom::Dom, Renderer},
-        view::{Mountable, Position, PositionState, Render, RenderHtml},
+        view::{
+            add_attr::AddAnyAttr, Mountable, Position, PositionState, Render,
+            RenderHtml,
+        },
     },
     IntoView,
 };
@@ -340,6 +344,31 @@ where
     }
 }
 
+impl<E, At, Ch> AddAnyAttr<Dom> for RegisteredMetaTag<E, At, Ch>
+where
+    E: ElementType + CreateElement<Dom> + Send,
+    At: Attribute<Dom> + Send,
+    Ch: RenderHtml<Dom> + Send,
+{
+    type Output<SomeNewAttr: Attribute<Dom>> = RegisteredMetaTag<
+        E,
+        <At as NextAttribute<Dom>>::Output<SomeNewAttr>,
+        Ch,
+    >;
+
+    fn add_any_attr<NewAttr: Attribute<Dom>>(
+        mut self,
+        attr: NewAttr,
+    ) -> Self::Output<NewAttr>
+    where
+        Self::Output<NewAttr>: RenderHtml<Dom>,
+    {
+        RegisteredMetaTag {
+            el: self.el.map(|inner| inner.add_any_attr(attr)),
+        }
+    }
+}
+
 impl<E, At, Ch> RenderHtml<Dom> for RegisteredMetaTag<E, At, Ch>
 where
     E: ElementType + CreateElement<Dom>,
@@ -439,6 +468,20 @@ impl Render<Dom> for MetaTagsView {
     fn rebuild(self, state: &mut Self::State) {}
 }
 
+impl AddAnyAttr<Dom> for MetaTagsView {
+    type Output<SomeNewAttr: Attribute<Dom>> = MetaTagsView;
+
+    fn add_any_attr<NewAttr: Attribute<Dom>>(
+        self,
+        _attr: NewAttr,
+    ) -> Self::Output<NewAttr>
+    where
+        Self::Output<NewAttr>: RenderHtml<Dom>,
+    {
+        self
+    }
+}
+
 impl RenderHtml<Dom> for MetaTagsView {
     type AsyncOutput = Self;
 

meta/src/title.rs

@@ -1,5 +1,6 @@
 use crate::{use_head, MetaContext, ServerMetaContext};
 use leptos::{
+    attr::Attribute,
     component,
     error::Result,
     oco::Oco,
@@ -11,7 +12,10 @@ use leptos::{
         dom::document,
         hydration::Cursor,
         renderer::{dom::Dom, Renderer},
-        view::{Mountable, Position, PositionState, Render, RenderHtml},
+        view::{
+            add_attr::AddAnyAttr, Mountable, Position, PositionState, Render,
+            RenderHtml,
+        },
     },
     text_prop::TextProp,
     IntoView,
@@ -222,6 +226,20 @@ impl Render<Dom> for TitleView {
     }
 }
 
+impl AddAnyAttr<Dom> for TitleView {
+    type Output<SomeNewAttr: Attribute<Dom>> = TitleView;
+
+    fn add_any_attr<NewAttr: Attribute<Dom>>(
+        self,
+        attr: NewAttr,
+    ) -> Self::Output<NewAttr>
+    where
+        Self::Output<NewAttr>: RenderHtml<Dom>,
+    {
+        self
+    }
+}
+
 impl RenderHtml<Dom> for TitleView {
     type AsyncOutput = Self;