diff --git a/asyncgit/src/diff.rs b/asyncgit/src/diff.rs
new file mode 100644
index 00000000..5a52be3f
--- /dev/null
+++ b/asyncgit/src/diff.rs
@@ -0,0 +1,71 @@
+use crate::{sync, Diff};
+use crossbeam_channel::Sender;
+use std::{
+    collections::hash_map::DefaultHasher,
+    hash::{Hash, Hasher},
+    sync::{Arc, Mutex},
+};
+
+#[derive(Default, Hash)]
+struct DiffRequest(String, bool);
+
+struct Request<R, A>(R, Option<A>);
+
+pub struct AsyncDiff {
+    current: Arc<Mutex<Request<u64, Diff>>>,
+    sender: Sender<()>,
+}
+
+impl AsyncDiff {
+    ///
+    pub fn new(sender: Sender<()>) -> Self {
+        Self {
+            current: Arc::new(Mutex::new(Request(0, None))),
+            sender,
+        }
+    }
+
+    ///
+    pub fn request(
+        &mut self,
+        file_path: String,
+        stage: bool,
+    ) -> Option<Diff> {
+        let request = DiffRequest(file_path.clone(), stage);
+
+        let mut hasher = DefaultHasher::new();
+        request.hash(&mut hasher);
+        let hash = hasher.finish();
+
+        {
+            let mut current = self.current.lock().unwrap();
+
+            if current.0 == hash {
+                return current.1.clone();
+            }
+
+            current.0 = hash;
+            current.1 = None;
+        }
+
+        let arc_clone = Arc::clone(&self.current);
+        let sender = self.sender.clone();
+        rayon_core::spawn(move || {
+            let res = sync::diff::get_diff(file_path.clone(), stage);
+            let mut notify = false;
+            {
+                let mut current = arc_clone.lock().unwrap();
+                if current.0 == hash {
+                    current.1 = Some(res);
+                    notify = true;
+                }
+            }
+
+            if notify {
+                sender.send(()).unwrap();
+            }
+        });
+
+        None
+    }
+}
diff --git a/asyncgit/src/lib.rs b/asyncgit/src/lib.rs
index 7d721dcf..28d6c397 100644
--- a/asyncgit/src/lib.rs
+++ b/asyncgit/src/lib.rs
@@ -1,77 +1,10 @@
+mod diff;
 pub mod sync;
 
-use crossbeam_channel::Sender;
-use std::{
-    collections::hash_map::DefaultHasher,
-    hash::{Hash, Hasher},
-    sync::{Arc, Mutex},
+pub use crate::{
+    diff::AsyncDiff,
+    sync::{
+        diff::{Diff, DiffLine, DiffLineType},
+        status::{StatusItem, StatusItemType, StatusType},
+    },
 };
-use sync::diff::get_diff;
-pub use sync::{
-    diff::{Diff, DiffLine, DiffLineType},
-    status::{StatusItem, StatusItemType, StatusType},
-};
-
-#[derive(Default, Hash)]
-struct DiffRequest(String, bool);
-
-struct Request<R, A>(R, Option<A>);
-
-pub struct AsyncDiff {
-    current: Arc<Mutex<Request<u64, Diff>>>,
-    sender: Sender<()>,
-}
-
-impl AsyncDiff {
-    ///
-    pub fn new(sender: Sender<()>) -> Self {
-        Self {
-            current: Arc::new(Mutex::new(Request(0, None))),
-            sender,
-        }
-    }
-
-    ///
-    pub fn request(
-        &mut self,
-        file_path: String,
-        stage: bool,
-    ) -> Option<Diff> {
-        let request = DiffRequest(file_path.clone(), stage);
-
-        let mut hasher = DefaultHasher::new();
-        request.hash(&mut hasher);
-        let hash = hasher.finish();
-
-        {
-            let mut current = self.current.lock().unwrap();
-
-            if current.0 == hash {
-                return current.1.clone();
-            }
-
-            current.0 = hash;
-            current.1 = None;
-        }
-
-        let arc_clone = Arc::clone(&self.current);
-        let sender = self.sender.clone();
-        rayon_core::spawn(move || {
-            let res = get_diff(file_path.clone(), stage);
-            let mut notify = false;
-            {
-                let mut current = arc_clone.lock().unwrap();
-                if current.0 == hash {
-                    current.1 = Some(res);
-                    notify = true;
-                }
-            }
-
-            if notify {
-                sender.send(()).unwrap();
-            }
-        });
-
-        None
-    }
-}