diff --git a/crates/core/src/dom/component/stateful_component.rs b/crates/core/src/dom/component/stateful_component.rs
index 32bb0e24..e49fe72c 100644
--- a/crates/core/src/dom/component/stateful_component.rs
+++ b/crates/core/src/dom/component/stateful_component.rs
@@ -1,11 +1,11 @@
-use std::{any::TypeId, cell::RefCell, fmt, rc::Rc};
 use crate::{
     dom::{
-        events::on_component_mount, program::MountProcedure, Application, Cmd, Component, DomAttrValue,
-        DomNode, Program,
+        events::on_component_mount, program::MountProcedure, Application, Cmd, Component,
+        DomAttrValue, DomNode, Program,
     },
     vdom::{Attribute, AttributeName, Leaf, Node},
 };
+use std::{any::TypeId, cell::RefCell, fmt, rc::Rc};
 
 /// A component that can be used directly in the view without mapping
 pub trait StatefulComponent {
@@ -24,8 +24,6 @@ pub trait StatefulComponent {
     /// remove the attribute with this name
     fn remove_attribute(&mut self, _attr_name: AttributeName) {}
 
-
-
     /// return the DomNode which contains the children DomNode
     fn child_container(&self) -> Option<DomNode>;
 
diff --git a/crates/core/src/dom/component/template.rs b/crates/core/src/dom/component/template.rs
index a8af8c0c..7a333c90 100644
--- a/crates/core/src/dom/component/template.rs
+++ b/crates/core/src/dom/component/template.rs
@@ -4,7 +4,7 @@ use wasm_bindgen::JsCast;
 
 use crate::{
     dom::{
-        document, dom_node::intern, dom_node::DomInner,  Application, DomAttr, DomAttrValue,
+        document, dom_node::intern, dom_node::DomInner, Application, DomAttr, DomAttrValue,
         DomNode, GroupedDomAttrValues, Program, StatelessModel,
     },
     vdom::{self, Attribute, AttributeValue, Leaf},
@@ -324,7 +324,9 @@ where
                 template
             }
             _ => {
-                log::warn!("template and skip_diff is not found, fallback to no template and skip_diff");
+                log::warn!(
+                    "template and skip_diff is not found, fallback to no template and skip_diff"
+                );
                 self.create_stateless_component(parent_node, comp)
             }
         }
@@ -349,7 +351,9 @@ where
                 dom_template
             }
             _ => {
-                log::warn!("template and skip_diff is not found, fallback to no template and skip_diff");
+                log::warn!(
+                    "template and skip_diff is not found, fallback to no template and skip_diff"
+                );
                 self.create_initial_view()
             }
         }
@@ -389,7 +393,7 @@ impl DomInner {
             Self::Symbol(_) => todo!(),
             Self::Comment(_) => todo!(),
             Self::Fragment { .. } => todo!(),
-            Self::StatefulComponent{..} => unreachable!("can not deep clone stateful component"),
+            Self::StatefulComponent { .. } => unreachable!("can not deep clone stateful component"),
         }
     }
 }
diff --git a/crates/core/src/dom/dom_node.rs b/crates/core/src/dom/dom_node.rs
index 56898896..b37fb1fd 100644
--- a/crates/core/src/dom/dom_node.rs
+++ b/crates/core/src/dom/dom_node.rs
@@ -4,6 +4,7 @@ use crate::dom::GroupedDomAttrValues;
 use crate::dom::StatefulComponent;
 use crate::dom::StatefulModel;
 use crate::html::lookup;
+use crate::vdom::TreePath;
 use crate::{
     dom::document,
     dom::events::MountEvent,
@@ -19,7 +20,6 @@ use std::fmt;
 use std::rc::Rc;
 use wasm_bindgen::{closure::Closure, JsCast, JsValue};
 use web_sys::{self, Element, Node};
-use crate::vdom::TreePath;
 
 pub(crate) type EventClosure = Closure<dyn FnMut(web_sys::Event)>;
 pub type NamedEventClosures = IndexMap<&'static str, EventClosure>;
@@ -60,7 +60,7 @@ pub enum DomInner {
         children: Rc<RefCell<Vec<DomNode>>>,
     },
     /// StatefulComponent
-    StatefulComponent{
+    StatefulComponent {
         comp: Rc<RefCell<dyn StatefulComponent>>,
         dom_node: Rc<DomNode>,
     },
@@ -92,7 +92,7 @@ impl fmt::Debug for DomInner {
             Self::Symbol(symbol) => f.debug_tuple("Symbol").field(&symbol).finish(),
             Self::Comment(_) => write!(f, "Comment"),
             Self::Fragment { .. } => write!(f, "Fragment"),
-            Self::StatefulComponent{..} => write!(f, "StatefulComponent"),
+            Self::StatefulComponent { .. } => write!(f, "StatefulComponent"),
         }
     }
 }
@@ -148,7 +148,7 @@ impl PartialEq for DomNode {
             (DomInner::Text(v), DomInner::Text(o)) => v == o,
             (DomInner::Symbol(v), DomInner::Symbol(o)) => v == o,
             (DomInner::Comment(v), DomInner::Comment(o)) => v == o,
-            (DomInner::StatefulComponent{..}, DomInner::StatefulComponent{..}) => todo!(),
+            (DomInner::StatefulComponent { .. }, DomInner::StatefulComponent { .. }) => todo!(),
             _ => false,
         }
     }
@@ -169,7 +169,7 @@ impl DomNode {
 
     #[allow(unused)]
     pub(crate) fn is_stateful_component(&self) -> bool {
-        matches!(&self.inner, DomInner::StatefulComponent{..})
+        matches!(&self.inner, DomInner::StatefulComponent { .. })
     }
 
     pub(crate) fn tag(&self) -> Option<String> {
@@ -187,9 +187,7 @@ impl DomNode {
             DomInner::Text(text_node) => text_node.clone().unchecked_into(),
             DomInner::Symbol(_) => panic!("don't know how to deal with symbol"),
             DomInner::Comment(comment_node) => comment_node.clone().unchecked_into(),
-            DomInner::StatefulComponent{dom_node,..} => {
-                dom_node.as_node()
-            }
+            DomInner::StatefulComponent { dom_node, .. } => dom_node.as_node(),
         }
     }
 
@@ -205,7 +203,7 @@ impl DomNode {
             DomInner::Text(text_node) => text_node.clone().unchecked_into(),
             DomInner::Symbol(_) => panic!("don't know how to deal with symbol"),
             DomInner::Comment(comment_node) => comment_node.clone().unchecked_into(),
-            DomInner::StatefulComponent{dom_node,..} => dom_node.as_element(),
+            DomInner::StatefulComponent { dom_node, .. } => dom_node.as_element(),
         }
     }
 
@@ -533,15 +531,15 @@ impl DomNode {
     }
 
     #[allow(unused)]
-    pub(crate) fn find_child(&self, target_child: &DomNode, path: TreePath) -> Option<TreePath>{
+    pub(crate) fn find_child(&self, target_child: &DomNode, path: TreePath) -> Option<TreePath> {
         if self == target_child {
             Some(path)
-        }else{
+        } else {
             let children = self.children()?;
-            for (i,child) in children.iter().enumerate(){
+            for (i, child) in children.iter().enumerate() {
                 let child_path = path.traverse(i);
                 let found = child.find_child(target_child, child_path);
-                if found.is_some(){
+                if found.is_some() {
                     return found;
                 }
             }
@@ -599,14 +597,13 @@ impl DomNode {
                 }
                 Ok(())
             }
-            DomInner::StatefulComponent{comp: _, dom_node} => {
+            DomInner::StatefulComponent { comp: _, dom_node } => {
                 dom_node.render(buffer)?;
                 Ok(())
             }
             _ => todo!("for other else"),
         }
     }
-
 }
 
 #[cfg(feature = "with-interning")]
@@ -706,10 +703,12 @@ where
             Leaf::NodeList(nodes) => self.create_fragment_node(parent_node, nodes),
             Leaf::StatefulComponent(comp) => {
                 //TODO: also put the children and attributes here
-                DomNode{
-                    inner: DomInner::StatefulComponent{
+                DomNode {
+                    inner: DomInner::StatefulComponent {
                         comp: Rc::clone(&comp.comp),
-                        dom_node: Rc::new(self.create_stateful_component(Rc::clone(&parent_node), comp)),
+                        dom_node: Rc::new(
+                            self.create_stateful_component(Rc::clone(&parent_node), comp),
+                        ),
                     },
                     parent: parent_node,
                 }
@@ -877,7 +876,6 @@ where
     }
 }
 
-
 /// render the underlying real dom node into string
 pub fn render_real_dom_to_string(node: &web_sys::Node) -> String {
     let mut f = String::new();
@@ -918,7 +916,7 @@ pub fn render_real_dom(node: &web_sys::Node, buffer: &mut dyn fmt::Write) -> fmt
 
             let child_nodes = element.child_nodes();
             let child_count = child_nodes.length();
-            for i in 0..child_count{
+            for i in 0..child_count {
                 let child = child_nodes.get(i).unwrap();
                 render_real_dom(&child, buffer)?;
             }
diff --git a/crates/core/src/dom/dom_patch.rs b/crates/core/src/dom/dom_patch.rs
index 95c2e0bd..1f9d0de4 100644
--- a/crates/core/src/dom/dom_patch.rs
+++ b/crates/core/src/dom/dom_patch.rs
@@ -1,9 +1,11 @@
 use crate::dom;
+use crate::dom::dom_node;
 use crate::dom::dom_node::DomInner;
 use crate::dom::DomAttr;
 use crate::dom::DomAttrValue;
 use crate::dom::DomNode;
 use crate::dom::{Application, Program};
+use crate::vdom::ComponentEventCallback;
 use crate::vdom::EventCallback;
 use crate::vdom::TreePath;
 use crate::vdom::{Attribute, AttributeValue, Patch, PatchType};
@@ -11,8 +13,6 @@ use indexmap::IndexMap;
 use std::rc::Rc;
 use wasm_bindgen::closure::Closure;
 use wasm_bindgen::JsValue;
-use crate::vdom::ComponentEventCallback;
-use crate::dom::dom_node;
 
 /// a Patch where the virtual nodes are all created in the document.
 /// This is necessary since the created Node  doesn't contain references
@@ -77,14 +77,19 @@ pub enum PatchVariant {
     },
 }
 
-impl DomNode{
-
+impl DomNode {
     pub(crate) fn find_node(&self, path: &mut TreePath) -> Option<DomNode> {
-        match &self.inner{
-            DomInner::StatefulComponent{comp,..} => {
-                log::info!("This is a stateful component, should return the element
-                inside relative to the child container at this path: {:?}", path);
-                let child_container = comp.borrow().child_container().expect("stateful component should provide the child container");
+        match &self.inner {
+            DomInner::StatefulComponent { comp, .. } => {
+                log::info!(
+                    "This is a stateful component, should return the element
+                inside relative to the child container at this path: {:?}",
+                    path
+                );
+                let child_container = comp
+                    .borrow()
+                    .child_container()
+                    .expect("stateful component should provide the child container");
                 child_container.find_node(path)
             }
             _ => {
@@ -92,14 +97,14 @@ impl DomNode{
                     Some(self.clone())
                 } else {
                     let idx = path.remove_first();
-                    if let Some(children) = self.children(){
+                    if let Some(children) = self.children() {
                         if let Some(child) = children.get(idx) {
                             child.find_node(path)
                         } else {
                             log::warn!("There is no child at index: {idx}");
                             None
                         }
-                    }else{
+                    } else {
                         log::warn!("Traversing to a childless node..");
                         None
                     }
@@ -125,7 +130,10 @@ impl DomNode{
                     tag,
                     &self
                 );
-                log::info!("real entire dom: {:#?}", dom_node::render_real_dom_to_string(&self.as_node()));
+                log::info!(
+                    "real entire dom: {:#?}",
+                    dom_node::render_real_dom_to_string(&self.as_node())
+                );
                 log::warn!("entire dom: {}", self.render_to_string());
             }
         }
@@ -133,7 +141,6 @@ impl DomNode{
     }
 }
 
-
 impl<APP> Program<APP>
 where
     APP: Application + 'static,
@@ -157,9 +164,9 @@ where
             AttributeValue::EventListener(v) => {
                 Some(DomAttrValue::EventListener(self.convert_event_listener(v)))
             }
-            AttributeValue::ComponentEventListener(v) => {
-                Some(DomAttrValue::EventListener(self.convert_component_event_listener(v)))
-            }
+            AttributeValue::ComponentEventListener(v) => Some(DomAttrValue::EventListener(
+                self.convert_component_event_listener(v),
+            )),
             AttributeValue::Empty => None,
         }
     }
diff --git a/crates/core/src/dom/events.rs b/crates/core/src/dom/events.rs
index 9762acdd..2cfb6310 100644
--- a/crates/core/src/dom/events.rs
+++ b/crates/core/src/dom/events.rs
@@ -4,6 +4,7 @@
 use crate::dom::DomNode;
 use crate::dom::{document, window, Event};
 use crate::vdom;
+use crate::vdom::ComponentEventCallback;
 use crate::vdom::{Attribute, AttributeValue, EventCallback};
 use wasm_bindgen::JsCast;
 #[cfg(web_sys_unstable_apis)]
@@ -16,7 +17,6 @@ use web_sys::{
     EventTarget, HtmlDetailsElement, HtmlElement, HtmlInputElement, HtmlSelectElement,
     HtmlTextAreaElement,
 };
-use crate::vdom::ComponentEventCallback;
 
 #[derive(Clone, Copy)]
 #[repr(i16)]
@@ -177,7 +177,6 @@ where
     )
 }
 
-
 macro_rules! declare_events {
 
     ( $(
diff --git a/crates/core/src/vdom.rs b/crates/core/src/vdom.rs
index 3e07d500..c959279d 100644
--- a/crates/core/src/vdom.rs
+++ b/crates/core/src/vdom.rs
@@ -39,7 +39,6 @@ pub mod patch;
 /// for Components
 pub type EventCallback<MSG> = Callback<Event, MSG>;
 
-
 /// Mount callback is used for mounting the component into the DOM
 /// This requires no MSG to be emitted
 pub type ComponentEventCallback = Callback<Event, ()>;
diff --git a/crates/core/src/vdom/attribute.rs b/crates/core/src/vdom/attribute.rs
index e1a00946..a33dbafc 100644
--- a/crates/core/src/vdom/attribute.rs
+++ b/crates/core/src/vdom/attribute.rs
@@ -1,9 +1,9 @@
 #![allow(clippy::type_complexity)]
 
-use derive_where::derive_where;
-use indexmap::IndexMap;
 use crate::vdom::ComponentEventCallback;
 use crate::vdom::EventCallback;
+use derive_where::derive_where;
+use indexmap::IndexMap;
 
 pub use attribute_value::AttributeValue;
 pub use callback::Callback;
diff --git a/crates/core/src/vdom/attribute/attribute_value.rs b/crates/core/src/vdom/attribute/attribute_value.rs
index 96190baf..c29621a3 100644
--- a/crates/core/src/vdom/attribute/attribute_value.rs
+++ b/crates/core/src/vdom/attribute/attribute_value.rs
@@ -1,5 +1,5 @@
-use crate::{html::attributes::Style, vdom::EventCallback, vdom::Value};
 use crate::vdom::ComponentEventCallback;
+use crate::{html::attributes::Style, vdom::EventCallback, vdom::Value};
 use derive_where::derive_where;
 
 /// Values of an attribute can be in these variants
diff --git a/crates/core/src/vdom/attribute/callback.rs b/crates/core/src/vdom/attribute/callback.rs
index c1a205c2..b0743331 100644
--- a/crates/core/src/vdom/attribute/callback.rs
+++ b/crates/core/src/vdom/attribute/callback.rs
@@ -1,6 +1,6 @@
 //! Callbacks contains function that can be called at a later time.
 //! This is used in containing an event listener attached to an DOM element.
-use std::{any::TypeId, fmt, rc::Rc, cell::RefCell};
+use std::{any::TypeId, cell::RefCell, fmt, rc::Rc};
 
 /// A generic sized representation of a function that can be
 /// attached to a Node. The callback will essentially be owned by the element
diff --git a/crates/core/src/vdom/map_msg.rs b/crates/core/src/vdom/map_msg.rs
index 5b9df0a6..505cf986 100644
--- a/crates/core/src/vdom/map_msg.rs
+++ b/crates/core/src/vdom/map_msg.rs
@@ -80,7 +80,9 @@ impl<MSG> AttributeValue<MSG> {
             AttributeValue::Simple(this) => AttributeValue::Simple(this),
             AttributeValue::Style(this) => AttributeValue::Style(this),
             AttributeValue::EventListener(this) => AttributeValue::EventListener(this.map_msg(cb)),
-            AttributeValue::ComponentEventListener(this) => AttributeValue::ComponentEventListener(this),
+            AttributeValue::ComponentEventListener(this) => {
+                AttributeValue::ComponentEventListener(this)
+            }
             AttributeValue::Empty => AttributeValue::Empty,
         }
     }
diff --git a/examples/experimentals/src/button.rs b/examples/experimentals/src/button.rs
index d14cec54..26290903 100644
--- a/examples/experimentals/src/button.rs
+++ b/examples/experimentals/src/button.rs
@@ -70,7 +70,7 @@ impl StatefulComponent for Button {
             self.children.extend(children);
         }
     }
-    fn child_container(&self) -> Option<DomNode> { 
+    fn child_container(&self) -> Option<DomNode> {
         self.external_children_node.clone()
     }
 }
diff --git a/examples/experimentals/src/date_time.rs b/examples/experimentals/src/date_time.rs
index 5fe7b5dd..3e7756dc 100644
--- a/examples/experimentals/src/date_time.rs
+++ b/examples/experimentals/src/date_time.rs
@@ -222,7 +222,9 @@ impl StatefulComponent for DateTimeWidget<()> {
             self.children.extend(children);
         }
     }
-    fn child_container(&self) -> Option<DomNode> { todo!()}
+    fn child_container(&self) -> Option<DomNode> {
+        todo!()
+    }
 }
 
 #[wasm_bindgen]
diff --git a/examples/js-performance-benchmark-sauron/src/lib.rs b/examples/js-performance-benchmark-sauron/src/lib.rs
index a586fc61..47376670 100644
--- a/examples/js-performance-benchmark-sauron/src/lib.rs
+++ b/examples/js-performance-benchmark-sauron/src/lib.rs
@@ -1,8 +1,8 @@
 #![deny(warnings)]
 use rand::prelude::*;
+use sauron::dom::component;
 use sauron::*;
 use std::cmp::min;
-use sauron::dom::component;
 
 static ADJECTIVES: &[&str] = &[
     "pretty",
@@ -174,7 +174,7 @@ impl Application for App {
         Cmd::none()
     }
 
-    view!{
+    view! {
         <div class="container">
             {self.view_jumbotron()}
             <table class="table table-hover table-striped test-data">
@@ -189,10 +189,9 @@ impl Application for App {
     }
 }
 
-
-impl App{
-    fn view_jumbotron(&self) -> Node<Msg>{
-        node!{
+impl App {
+    fn view_jumbotron(&self) -> Node<Msg> {
+        node! {
              <div class="jumbotron">
                  <div class="row">
                      <div class="col-md-6">