diff --git a/packages/core/src/core.ts b/packages/core/src/core.ts
index 1d944fd..671d113 100644
--- a/packages/core/src/core.ts
+++ b/packages/core/src/core.ts
@@ -1,5 +1,7 @@
 import type { Command, HistoryOptions } from '@core/types'
 
+export type History = ReturnType<typeof createHistory>
+
 /**
  * Creates a history manager for undo/redo functionality.
  *
@@ -40,11 +42,15 @@ export function createHistory({ size = 30, coalesce = true }: HistoryOptions) {
     /**
      * Whether there are commands available to undo.
      */
-    get canUndo() { return undoStack.length > 0 },
+    get canUndo() {
+      return undoStack.length > 0
+    },
     /**
      * Whether there are commands available to redo.
      */
-    get canRedo() { return redoStack.length > 0 },
+    get canRedo() {
+      return redoStack.length > 0
+    },
     /**
      * Executes a command and adds it to the history.
      * Clears the redo stack.
@@ -84,8 +90,7 @@ export function createHistory({ size = 30, coalesce = true }: HistoryOptions) {
 
         undoFn()
         redoStack.push({ key: cmd.key, do: redoFn, undo: undoFn })
-      }
-      else {
+      } else {
         cmd.undo()
         redoStack.push(cmd)
       }
diff --git a/packages/core/src/types.ts b/packages/core/src/types.ts
index 3340c29..41524ac 100644
--- a/packages/core/src/types.ts
+++ b/packages/core/src/types.ts
@@ -1,3 +1,5 @@
+export type { History } from '@core/core'
+
 /**
  * Represents a command that can be executed, undone, and redone.
  */