优化整体结构

packages/artplayer/src/i18n/index.js

@@ -0,0 +1,27 @@
+import { mergeDeep } from '../utils';
+import zhCn from './zh-cn';
+import zhTw from './zh-tw';
+
+export default class I18n {
+    constructor(art) {
+        this.art = art;
+        this.languages = {
+            'zh-cn': zhCn,
+            'zh-tw': zhTw,
+        };
+        this.init();
+    }
+
+    init() {
+        this.language = this.languages[this.art.option.lang.toLowerCase()] || {};
+    }
+
+    get(key) {
+        return this.language[key] || key;
+    }
+
+    update(value) {
+        this.languages = mergeDeep(this.languages, value);
+        this.init();
+    }
+}