add files

src/i18n/index.js

@@ -0,0 +1,22 @@
+import ZHCN from "./zh-CN";
+import ZHTW from "./zh-TW";
+import EN from "./en";
+import JP from "./jp";
+
+const i18nMap = {
+  "zh": ZHCN,
+  "zh-CN": ZHCN,
+  "zh-TW": ZHTW,
+  "en": EN,
+  "jp": JP
+};
+
+export default class I18n {
+  constructor({ option }) {
+    this.language = i18nMap[option.language || "en"];
+  }
+
+  get(key) {
+    return this.language[key] || key;
+  }
+}