🎨 Optimize code

frontend/src/stores/editorStateStore.ts

@@ -0,0 +1,70 @@
+import {defineStore} from 'pinia';
+import {ref} from 'vue';
+
+export interface DocumentStats {
+    lines: number;
+    characters: number;
+    selectedCharacters: number;
+}
+
+export const useEditorStateStore = defineStore('editorState', () => {
+    // 光标位置存储 Record<docId, cursorPosition>
+    const cursorPositions = ref<Record<number, number>>({});
+
+    // 文档统计数据存储 Record<docId, DocumentStats>
+    const documentStats = ref<Record<number, DocumentStats>>({});
+
+    // 保存光标位置
+    const saveCursorPosition = (docId: number, position: number) => {
+        cursorPositions.value[docId] = position;
+    };
+
+    // 获取光标位置
+    const getCursorPosition = (docId: number): number | undefined => {
+        return cursorPositions.value[docId];
+    };
+
+    // 保存文档统计数据
+    const saveDocumentStats = (docId: number, stats: DocumentStats) => {
+        documentStats.value[docId] = stats;
+    };
+
+    // 获取文档统计数据
+    const getDocumentStats = (docId: number): DocumentStats => {
+        return documentStats.value[docId] || {
+            lines: 0,
+            characters: 0,
+            selectedCharacters: 0
+        };
+    };
+
+    // 清除文档状态
+    const clearDocumentState = (docId: number) => {
+        delete cursorPositions.value[docId];
+        delete documentStats.value[docId];
+    };
+
+    // 清除所有状态
+    const clearAllStates = () => {
+        cursorPositions.value = {};
+        documentStats.value = {};
+    };
+
+    return {
+        cursorPositions,
+        documentStats,
+        saveCursorPosition,
+        getCursorPosition,
+        saveDocumentStats,
+        getDocumentStats,
+        clearDocumentState,
+        clearAllStates
+    };
+}, {
+    persist: {
+        key: 'voidraft-editor-state',
+        storage: localStorage,
+        pick: ['cursorPositions']
+    }
+});
+