move Store type to Store.ts

src/components/store/createStore.ts

@@ -1,14 +1,7 @@
 import { EditorState } from './types/EditorState';
 import { Reducer } from './types/Reducer';
 import { Action } from './types/Action';
-
-interface Store {
-  subscribe: (listener: () => void) => (() => void);
-
-  dispatch: (action: Action) => void;
-
-  getState: () => EditorState;
-}
+import { Store } from './types/Store';
 
 /**
  * Function creates store and returns functions for use it

src/components/store/types/Store.ts

@@ -0,0 +1,28 @@
+import { Action } from './Action';
+import { EditorState } from './EditorState';
+
+/**
+ * Store type contains functions for use it
+ */
+export type Store = {
+  /**
+   * Function for subscribing on state changes
+   *
+   * @param listener - function, that will execute every state change
+   *
+   * @returns {() => void} unsubscribe function
+   */
+  subscribe: (listener: () => void) => (() => void);
+
+  /**
+   * Dispatch action on the current state
+   *
+   * @param action - action that will be dispatched
+   */
+  dispatch: (action: Action) => void;
+
+  /**
+   * Function returns current state
+   */
+  getState: () => EditorState;
+}