refactor: 🎨 defaul to Some(T)

Author: stormslowly

crates/rspack_core/src/compilation/mod.rs

@@ -428,7 +428,7 @@ impl Compilation {
       module_executor,
       in_finish_make: AtomicBool::new(false),
 
-      build_module_graph_artifact: BuildModuleGraphArtifact::default().into(),
+      build_module_graph_artifact: Default::default(),
       modified_files,
       removed_files,
       input_filesystem,

crates/rspack_core/src/utils/deref_option.rs

@@ -3,9 +3,18 @@ use std::{
   ops::{Deref, DerefMut},
 };
 
-#[derive(Debug, Default)]
+#[derive(Debug)]
 pub struct DerefOption<T>(Option<T>);
 
+impl<T> Default for DerefOption<T>
+where
+  T: Default,
+{
+  fn default() -> Self {
+    Self(Some(T::default()))
+  }
+}
+
 impl<T> From<T> for DerefOption<T> {
   fn from(value: T) -> Self {
     Self::new(value)
@@ -40,10 +49,7 @@ impl<T> Deref for DerefOption<T> {
       .unwrap_or_else(|| panic!("should set in compilation first"))
   }
 }
-impl<T> DerefMut for DerefOption<T>
-where
-  T: Debug,
-{
+impl<T> DerefMut for DerefOption<T> {
   fn deref_mut(&mut self) -> &mut Self::Target {
     self
       .0