Dep (#601)

* init

* update dep

i18n/index.js

@@ -0,0 +1,30 @@
+import { mergeDeep } from '../utils';
+import zhCn from './zh-cn';
+
+export default class I18n {
+    constructor(art) {
+        this.art = art;
+
+        this.languages = {
+            'zh-cn': zhCn,
+        };
+
+        this.language = {};
+
+        this.update(art.option.i18n);
+    }
+
+    init() {
+        const lang = this.art.option.lang.toLowerCase();
+        this.language = this.languages[lang] ?? {};
+    }
+
+    get(key) {
+        return this.language[key] ?? key;
+    }
+
+    update(value) {
+        this.languages = mergeDeep(this.languages, value);
+        this.init();
+    }
+}