feat: allow library users to add locales

src/core.js

@@ -2,6 +2,7 @@
 import defaultSetting from './config.js';
 import { common_extend } from './utils/util';
 import Store from './store';
+import { locales } from './locale/locale';
 import server from './controllers/server';
 import luckysheetConfigsetting from './controllers/luckysheetConfigsetting';
 import sheetmanage from './controllers/sheetmanage';
@@ -253,6 +254,8 @@ luckysheet.showLoadingProgress = showloading;
 luckysheet.hideLoadingProgress = hideloading;
 luckysheet.luckysheetextendData = luckysheetextendData;
 
+luckysheet.locales = locales;
+
 export {
     luckysheet
 }

src/locale/locale.js

@@ -4,10 +4,10 @@ import es from './es'
 import zh_tw from './zh_tw'
 import Store from '../store';
 
-const localeObj = {en,zh,es,zh_tw}
+export const locales = {en,zh,es,zh_tw}
 
 function locale(){
-    return localeObj[Store.lang];
+    return locales[Store.lang];
 }
 
 export default locale;