From cb77002e6cb8f63a8bd25d765209846bf1039d59 Mon Sep 17 00:00:00 2001
From: sgjj <995959152@qq.com>
Date: Tue, 30 Jun 2020 14:06:31 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=E5=9B=BD=E9=99=85=E5=8C=96?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 pom.xml                                       |    1 +
 src/main/java/net/mingsoft/MSApplication.java |    4 +-
 .../mingsoft/cms/action/web/MCmsAction.java   |    5 +-
 .../WEB-INF/manager/cms/category/form.ftl     |   39 +-
 src/main/webapp/WEB-INF/manager/index.ftl     |   51 +-
 .../static/locale/lang/cms/category/ch.js     |   22 +
 .../static/locale/lang/cms/category/en.js     |   22 +
 .../static/plugins/vue-i18n/vue-i18n.js       | 2138 +++++++++++++++++
 8 files changed, 2256 insertions(+), 26 deletions(-)
 create mode 100644 src/main/webapp/static/locale/lang/cms/category/ch.js
 create mode 100644 src/main/webapp/static/locale/lang/cms/category/en.js
 create mode 100644 src/main/webapp/static/plugins/vue-i18n/vue-i18n.js
diff --git a/pom.xml b/pom.xml
index 90c09fdf..b0d52a65 100644
--- a/pom.xml
+++ b/pom.xml
@@ -85,6 +85,7 @@
 			<groupId>net.mingsoft</groupId>
 			<artifactId>ms-mpeople</artifactId>
 		</dependency>
+
 		<dependency>
 			<groupId>net.mingsoft</groupId>
 			<artifactId>ms-basic</artifactId>
diff --git a/src/main/java/net/mingsoft/MSApplication.java b/src/main/java/net/mingsoft/MSApplication.java
index 0ba946b6..8e385616 100644
--- a/src/main/java/net/mingsoft/MSApplication.java
+++ b/src/main/java/net/mingsoft/MSApplication.java
@@ -8,7 +8,9 @@ import org.springframework.context.annotation.ComponentScan;
 
 import springfox.documentation.swagger2.annotations.EnableSwagger2;
 
- 
+import java.util.Locale;
+
+
 @SpringBootApplication
 @ComponentScan(basePackages = {"net.mingsoft"})
 @MapperScan(basePackages={"**.dao"})
diff --git a/src/main/java/net/mingsoft/cms/action/web/MCmsAction.java b/src/main/java/net/mingsoft/cms/action/web/MCmsAction.java
index 396a6430..06da7f35 100644
--- a/src/main/java/net/mingsoft/cms/action/web/MCmsAction.java
+++ b/src/main/java/net/mingsoft/cms/action/web/MCmsAction.java
@@ -52,10 +52,7 @@ import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 import java.io.IOException;
 import java.io.UnsupportedEncodingException;
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
+import java.util.*;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
diff --git a/src/main/webapp/WEB-INF/manager/cms/category/form.ftl b/src/main/webapp/WEB-INF/manager/cms/category/form.ftl
index a7c26d55..d6f676bb 100644
--- a/src/main/webapp/WEB-INF/manager/cms/category/form.ftl
+++ b/src/main/webapp/WEB-INF/manager/cms/category/form.ftl
@@ -3,6 +3,9 @@
 <head>
     <title>分类</title>
     <#include "../../include/head-file.ftl">
+    <script src="${base}/static/locale/lang/cms/category/ch.js"></script>
+    <script src="${base}/static/locale/lang/cms/category/en.js"></script>
+
 </head>
 <body>
 <div id="form" v-cloak>
@@ -19,7 +22,7 @@
                         justify="start" align="top">
                     <el-col span="12">
                         <el-form-item label="栏目管理名称" prop="categoryTitle">
-                            <template slot='label'>栏目管理名称
+                            <template slot='label'>{{$t('form.categoryTitle.text')}}
                                 <el-popover slot="label" placement="top-start" title="提示" trigger="hover">
                                     <a href="http://doc.ms.mingsoft.net/plugs-cms/biao-qian/nei-rong-biao-qian-ms-field.html"
                                        target="_blank">{ms:field.typetitle/}</a>
@@ -32,12 +35,12 @@
                                       :disabled="false"
                                       :style="{width:  '100%'}"
                                       :clearable="true"
-                                      placeholder="请输入栏目管理名称">
+                                      :placeholder="$t('form.categoryTitle.placeholder')">
                             </el-input>
                         </el-form-item>
                     </el-col>
                     <el-col span="12">
-                        <el-form-item label="所属栏目" prop="categoryId">
+                        <el-form-item :label="$t('form.categoryId')" prop="categoryId">
                             <tree-select ref="tree" :props="{value: 'id',label: 'categoryTitle',children: 'children'}"
                                          :options="treeList" :style="{width:'100%'}"
                                          v-model="form.categoryId"></tree-select>
@@ -49,7 +52,7 @@
                         justify="start" align="top">
                     <el-col span="12">
                         <el-form-item prop="categoryType">
-                            <template slot='label'>栏目类型
+                            <template slot='label'>{{$t('form.categoryType')}}
                                 <el-popover slot="label" placement="top-start" title="提示" trigger="hover">
                                     列表：常用于带列表、详情的业务，例如：新闻列表、图片列表<br>封面：常用单篇文章显示，例如：关于我们、公司介绍<br>修改栏目时如果该栏目存在文章则不能修改栏目类型
                                     <i class="el-icon-question" slot="reference"></i>
@@ -66,7 +69,7 @@
                         </el-form-item>
                     </el-col>
                     <el-col span="12">
-                        <el-form-item label="自定义顺序" prop="categorySort">
+                        <el-form-item :label="$t('form.categorySort')" prop="categorySort">
                             <el-input-number
                                     v-model="form.categorySort"
                                     :disabled="false"
@@ -79,7 +82,7 @@
                         gutter="0"
                         justify="start" align="top">
                     <el-col span="12">
-                        <el-form-item prop="categoryUrl" :label="form.categoryType =='1'? '内容模板' : '封面模板'">
+                        <el-form-item prop="categoryUrl" :label=" $tc('form.categoryUrl',form.categoryType)">
                             <el-select v-model="form.categoryUrl"
                                        :style="{width: '100%'}"
                                        :filterable="true"
@@ -93,7 +96,7 @@
                     </el-col>
                     <el-col span="12">
                         <el-form-item prop="mdiyModelId">
-                            <template slot='label'>自定义模型
+                            <template slot='label'>{{$t('form.mdiyModelId')}}
                                 <el-popover slot="label" placement="top-start" title="提示" width="400" trigger="hover"
                                             content="如果发布时候文章字段信息不够，可以采用铭飞代码生成器生成自定义模型，再通过“自定义管理->自定义模型->导入”功能导入模型，注意类型是cms">
                                     <i class="el-icon-question" slot="reference"></i>
@@ -114,7 +117,7 @@
                 <el-row gutter="0" justify="start" align="top">
                     <el-col span="12">
                         <el-form-item prop="categoryListUrl" v-if="form.categoryType == '1'">
-                            <template slot='label'>列表模板
+                            <template slot='label'>{{$t('form.categoryListUrl')}}
                                 <el-popover slot="label" placement="top-start" title="提示" trigger="hover"
                                             content="当栏目类型为列表时有效">
                                     <i class="el-icon-question" slot="reference"></i>
@@ -133,7 +136,7 @@
                     </el-col>
                     <el-col span="12">
                         <el-form-item  label="栏目属性" prop="categoryFlag">
-                            <template slot='label'>栏目属性
+                            <template slot='label'>{{$t('form.categoryFlag')}}
                                 <el-popover placement="top-start" title="提示" trigger="hover" content="类型不满足可以在自定义字典菜单中新增,字段类型为“栏目属性”">
                                     <i class="el-icon-question" slot="reference"></i>
                                 </el-popover>
@@ -151,7 +154,7 @@
                     </el-col>
                 </el-row>
                 <el-form-item label="栏目管理关键字" prop="categoryKeyword">
-                    <template slot='label'>栏目关键字
+                    <template slot='label'>{{$t('form.categoryKeyword')}}
                         <el-popover slot="label" placement="top-start" title="提示" trigger="hover">
                             <a href="http://doc.ms.mingsoft.net/plugs-cms/biao-qian/lan-mu-lie-biao-ms-channel.html"
                                target="_blank">[field.typekeyword/]</a>
@@ -167,7 +170,7 @@
                     </el-input>
                 </el-form-item>
                 <el-form-item label="栏目管理描述" prop="categoryDescrip">
-                    <template slot='label'>栏目描述
+                    <template slot='label'>{{$t('form.categoryDescrip')}}
                         <el-popover slot="label" placement="top-start" title="提示" trigger="hover">
                             <a href="http://doc.ms.mingsoft.net/plugs-cms/biao-qian/lan-mu-lie-biao-ms-channel.html"
                                target="_blank">[field.typedescrip/]</a>
@@ -183,7 +186,7 @@
                     </el-input>
                 </el-form-item>
                 <el-form-item label="" prop="categoryImg">
-                    <template slot='label'>缩略图
+                    <template slot='label'>{{$t('form.categoryImg')}}
                         <el-popover slot="label" placement="top-start" title="提示"  trigger="hover">
                             <a href="http://doc.ms.mingsoft.net/plugs-cms/biao-qian/nei-rong-biao-qian-ms-field.html"
                                target="_blank">{ms:field.typelitpic/}</a>
@@ -209,7 +212,7 @@
                     </el-upload>
                 </el-form-item>
                 <el-form-item prop="categoryDiyUrl">
-                    <template slot='label'>自定义链接
+                    <template slot='label'>{{$t('form.categoryDiyUrl')}}
                         <el-popover slot="label" placement="top-start" title="提示" trigger="hover">
                             <a href="http://doc.ms.mingsoft.net/plugs-cms/biao-qian/lan-mu-lie-biao-ms-channel.html"
                                target="_blank">[field.typeurl/]</a>
@@ -230,10 +233,17 @@
 </body>
 </html>
 <script>
+
+    var i18n = new VueI18n({
+        locale: parent.indexVue.locale.language, // 设置地区
+        messages:Object.assign({}, localeCh, localeEn)
+    })
     var form = new Vue({
+        i18n:i18n,
         el: '#form',
         data: function () {
             return {
+                locale:parent.indexVue.locale,
                 treeList: [{
                     id: '0',
                     categoryTitle: '顶级栏目',
@@ -302,6 +312,9 @@
             };
         },
         watch: {
+            'locale.language':function (n,o) {
+                this.$i18n.locale = n
+            },
             'form.categoryId': function (n, o) {
                 var _this = this;
 
diff --git a/src/main/webapp/WEB-INF/manager/index.ftl b/src/main/webapp/WEB-INF/manager/index.ftl
index 61a05809..2bb67b59 100644
--- a/src/main/webapp/WEB-INF/manager/index.ftl
+++ b/src/main/webapp/WEB-INF/manager/index.ftl
@@ -52,7 +52,9 @@
             <!--头部-->
             <el-header class="ms-admin-header" v-cloak>
                 <#--展示合并菜单-->
-                <div class="ms-admin-header-menu-shrink" @click="collapseMenu = !collapseMenu"><i class="iconfont" :class="collapseMenu?'icon-liebiaoxiangyou':'icon-shousuo'"></i></div>
+                <div class="ms-admin-header-menu-shrink" @click="collapseMenu = !collapseMenu"><i class="iconfont"
+                                                                                                  :class="collapseMenu?'icon-liebiaoxiangyou':'icon-shousuo'"></i>
+                </div>
                 <!--头部menu-->
                 <el-menu menu-trigger="hover" class="ms-admin-header-menu" background-color="rgba(255,255,255,1)"
                          text-color="#333333" active-text-color="#409EFF" :default-active="headMenuActive"
@@ -104,9 +106,20 @@
                             </el-menu-item>
                         </el-submenu>
                     </el-menu>
-                    <el-dropdown trigger="hover" class="ms-admin-login" placement="top-start" @visible-change="loginDown = !loginDown">
+<#--                    语言切换-->
+                    <el-dropdown @command="handleLanguageClick">
+                      <span class="el-dropdown-link" >
+                         {{locale.text}}<i class="el-icon-arrow-down el-icon--right"></i>
+                      </span>
+                        <el-dropdown-menu slot="dropdown">
+                            <el-dropdown-item v-for="(item,index) in localeCommands" :command="item">{{item.text}}</el-dropdown-item>
+                        </el-dropdown-menu>
+                    </el-dropdown>
+                    <el-dropdown trigger="hover" class="ms-admin-login" placement="top-start"
+                                 @visible-change="loginDown = !loginDown">
 						<span class="el-dropdown-link">
-							<div class="ms-admin-people-head" v-text="peopleInfo.managerName && peopleInfo.managerName.substr(0, 2)"></div>
+							<div class="ms-admin-people-head"
+                                 v-text="peopleInfo.managerName && peopleInfo.managerName.substr(0, 2)"></div>
 							<span v-text='peopleInfo.managerName'></span>
 						</span>
                         <el-dropdown-menu class="ms-admin-login-down" slot="dropdown" @click.native='openModal'>
@@ -123,7 +136,7 @@
 
             </el-header>
             <!--内容-->
-            <el-main class="ms-admin-main" >
+            <el-main class="ms-admin-main">
                 <!--选项卡-->
                 <el-tabs class="ms-admin-tabs" v-model="currentTab" type="card" closable @tab-remove="closeTab"
                          @tab-click='tabClick'>
@@ -148,6 +161,20 @@
         el: "#app",
         data: {
             code: '',
+            locale: {
+                text: '中文',
+                language: 'ch',
+            },
+            localeCommands:[
+                {
+                    text: '中文',
+                    language: 'ch',
+                },
+                {
+                    text: 'English',
+                    language: 'en',
+                }
+            ],
             menuList: [], //菜单接口数据
             asideMenuList: [], //侧边菜单
             parentMenuList: [], //一级菜单
@@ -242,6 +269,12 @@
             }
         },
         methods: {
+            handleLanguageClick: function (val) {
+                this.locale.text = val.text
+                this.locale.language = val.language
+                //语言切换
+                console.log(val)
+            },
             getAuthorization: function () {
 
             },
@@ -554,9 +587,10 @@
 </script>
 <style>
 
-    .adminhead{
-        margin-top: 10px\0;
+    .adminhead {
+        margin-top: 10px \0;
     }
+
     .item {
         margin-right: 19px;
     }
@@ -751,7 +785,8 @@
         width: 162px;
         min-width: 162px;
     }
-    .ms-admin-login-down{
-        top:55px !important;
+
+    .ms-admin-login-down {
+        top: 55px !important;
     }
 </style>
diff --git a/src/main/webapp/static/locale/lang/cms/category/ch.js b/src/main/webapp/static/locale/lang/cms/category/ch.js
new file mode 100644
index 00000000..8f072a02
--- /dev/null
+++ b/src/main/webapp/static/locale/lang/cms/category/ch.js
@@ -0,0 +1,22 @@
+var localeCh={
+    ch:{
+        form:{
+            categoryTitle:{
+                text:'栏目名称',
+                    placeholder:'请输入栏目名称',
+                    help:'',
+            },
+            categoryId:'所属栏目',
+                categoryType:'栏目类型',
+                categorySort:'自定义顺序',
+                categoryUrl:'内容模板|封面模板',
+                mdiyModelId:'自定义模型',
+                categoryListUrl:'列表模板',
+                categoryFlag:'栏目属性',
+                categoryKeyword:'栏目关键字',
+                categoryDescrip:'栏目描述',
+                categoryImg :'栏目图片',
+                categoryDiyUrl:'自定义链接',
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/main/webapp/static/locale/lang/cms/category/en.js b/src/main/webapp/static/locale/lang/cms/category/en.js
new file mode 100644
index 00000000..8026066e
--- /dev/null
+++ b/src/main/webapp/static/locale/lang/cms/category/en.js
@@ -0,0 +1,22 @@
+var  localeEn={
+    en:{
+        form:{
+            categoryTitle:{
+                text:'channel name',
+                placeholder:'please enter channel name',
+                help:'',
+            },
+            categoryId:'parent channel',
+            categoryType:'channel type',
+            categorySort:'channel sort',
+            categoryUrl:'content template|page template',
+            mdiyModelId:'diy Model',
+            categoryListUrl:'list template',
+            categoryFlag :'channel property',
+            categoryKeyword  :'channel keyword',
+            categoryDescrip  :'channel desc',
+            categoryImg  :'channel image',
+            categoryDiyUrl:'custom url',
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/main/webapp/static/plugins/vue-i18n/vue-i18n.js b/src/main/webapp/static/plugins/vue-i18n/vue-i18n.js
new file mode 100644
index 00000000..bdff12fb
--- /dev/null
+++ b/src/main/webapp/static/plugins/vue-i18n/vue-i18n.js
@@ -0,0 +1,2138 @@
+/*!
+ * vue-i18n v8.18.2 
+ * (c) 2020 kazuya kawaguchi
+ * Released under the MIT License.
+ */
+(function (global, factory) {
+  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
+  typeof define === 'function' && define.amd ? define(factory) :
+  (global.VueI18n = factory());
+}(this, (function () { 'use strict';
+
+  /*  */
+
+  /**
+   * constants
+   */
+
+  var numberFormatKeys = [
+    'style',
+    'currency',
+    'currencyDisplay',
+    'useGrouping',
+    'minimumIntegerDigits',
+    'minimumFractionDigits',
+    'maximumFractionDigits',
+    'minimumSignificantDigits',
+    'maximumSignificantDigits',
+    'localeMatcher',
+    'formatMatcher',
+    'unit'
+  ];
+
+  /**
+   * utilities
+   */
+
+  function warn (msg, err) {
+    if (typeof console !== 'undefined') {
+      console.warn('[vue-i18n] ' + msg);
+      /* istanbul ignore if */
+      if (err) {
+        console.warn(err.stack);
+      }
+    }
+  }
+
+  function error (msg, err) {
+    if (typeof console !== 'undefined') {
+      console.error('[vue-i18n] ' + msg);
+      /* istanbul ignore if */
+      if (err) {
+        console.error(err.stack);
+      }
+    }
+  }
+
+  var isArray = Array.isArray;
+
+  function isObject (obj) {
+    return obj !== null && typeof obj === 'object'
+  }
+
+  function isBoolean (val) {
+    return typeof val === 'boolean'
+  }
+
+  function isString (val) {
+    return typeof val === 'string'
+  }
+
+  var toString = Object.prototype.toString;
+  var OBJECT_STRING = '[object Object]';
+  function isPlainObject (obj) {
+    return toString.call(obj) === OBJECT_STRING
+  }
+
+  function isNull (val) {
+    return val === null || val === undefined
+  }
+
+  function parseArgs () {
+    var args = [], len = arguments.length;
+    while ( len-- ) args[ len ] = arguments[ len ];
+
+    var locale = null;
+    var params = null;
+    if (args.length === 1) {
+      if (isObject(args[0]) || Array.isArray(args[0])) {
+        params = args[0];
+      } else if (typeof args[0] === 'string') {
+        locale = args[0];
+      }
+    } else if (args.length === 2) {
+      if (typeof args[0] === 'string') {
+        locale = args[0];
+      }
+      /* istanbul ignore if */
+      if (isObject(args[1]) || Array.isArray(args[1])) {
+        params = args[1];
+      }
+    }
+
+    return { locale: locale, params: params }
+  }
+
+  function looseClone (obj) {
+    return JSON.parse(JSON.stringify(obj))
+  }
+
+  function remove (arr, item) {
+    if (arr.length) {
+      var index = arr.indexOf(item);
+      if (index > -1) {
+        return arr.splice(index, 1)
+      }
+    }
+  }
+
+  function includes (arr, item) {
+    return !!~arr.indexOf(item)
+  }
+
+  var hasOwnProperty = Object.prototype.hasOwnProperty;
+  function hasOwn (obj, key) {
+    return hasOwnProperty.call(obj, key)
+  }
+
+  function merge (target) {
+    var arguments$1 = arguments;
+
+    var output = Object(target);
+    for (var i = 1; i < arguments.length; i++) {
+      var source = arguments$1[i];
+      if (source !== undefined && source !== null) {
+        var key = (void 0);
+        for (key in source) {
+          if (hasOwn(source, key)) {
+            if (isObject(source[key])) {
+              output[key] = merge(output[key], source[key]);
+            } else {
+              output[key] = source[key];
+            }
+          }
+        }
+      }
+    }
+    return output
+  }
+
+  function looseEqual (a, b) {
+    if (a === b) { return true }
+    var isObjectA = isObject(a);
+    var isObjectB = isObject(b);
+    if (isObjectA && isObjectB) {
+      try {
+        var isArrayA = Array.isArray(a);
+        var isArrayB = Array.isArray(b);
+        if (isArrayA && isArrayB) {
+          return a.length === b.length && a.every(function (e, i) {
+            return looseEqual(e, b[i])
+          })
+        } else if (!isArrayA && !isArrayB) {
+          var keysA = Object.keys(a);
+          var keysB = Object.keys(b);
+          return keysA.length === keysB.length && keysA.every(function (key) {
+            return looseEqual(a[key], b[key])
+          })
+        } else {
+          /* istanbul ignore next */
+          return false
+        }
+      } catch (e) {
+        /* istanbul ignore next */
+        return false
+      }
+    } else if (!isObjectA && !isObjectB) {
+      return String(a) === String(b)
+    } else {
+      return false
+    }
+  }
+
+  /*  */
+
+  function extend (Vue) {
+    if (!Vue.prototype.hasOwnProperty('$i18n')) {
+      // $FlowFixMe
+      Object.defineProperty(Vue.prototype, '$i18n', {
+        get: function get () { return this._i18n }
+      });
+    }
+
+    Vue.prototype.$t = function (key) {
+      var values = [], len = arguments.length - 1;
+      while ( len-- > 0 ) values[ len ] = arguments[ len + 1 ];
+
+      var i18n = this.$i18n;
+      return i18n._t.apply(i18n, [ key, i18n.locale, i18n._getMessages(), this ].concat( values ))
+    };
+
+    Vue.prototype.$tc = function (key, choice) {
+      var values = [], len = arguments.length - 2;
+      while ( len-- > 0 ) values[ len ] = arguments[ len + 2 ];
+
+      var i18n = this.$i18n;
+      return i18n._tc.apply(i18n, [ key, i18n.locale, i18n._getMessages(), this, choice ].concat( values ))
+    };
+
+    Vue.prototype.$te = function (key, locale) {
+      var i18n = this.$i18n;
+      return i18n._te(key, i18n.locale, i18n._getMessages(), locale)
+    };
+
+    Vue.prototype.$d = function (value) {
+      var ref;
+
+      var args = [], len = arguments.length - 1;
+      while ( len-- > 0 ) args[ len ] = arguments[ len + 1 ];
+      return (ref = this.$i18n).d.apply(ref, [ value ].concat( args ))
+    };
+
+    Vue.prototype.$n = function (value) {
+      var ref;
+
+      var args = [], len = arguments.length - 1;
+      while ( len-- > 0 ) args[ len ] = arguments[ len + 1 ];
+      return (ref = this.$i18n).n.apply(ref, [ value ].concat( args ))
+    };
+  }
+
+  /*  */
+
+  var mixin = {
+    beforeCreate: function beforeCreate () {
+      var options = this.$options;
+      options.i18n = options.i18n || (options.__i18n ? {} : null);
+
+      if (options.i18n) {
+        if (options.i18n instanceof VueI18n) {
+          // init locale messages via custom blocks
+          if (options.__i18n) {
+            try {
+              var localeMessages = {};
+              options.__i18n.forEach(function (resource) {
+                localeMessages = merge(localeMessages, JSON.parse(resource));
+              });
+              Object.keys(localeMessages).forEach(function (locale) {
+                options.i18n.mergeLocaleMessage(locale, localeMessages[locale]);
+              });
+            } catch (e) {
+              {
+                error("Cannot parse locale messages via custom blocks.", e);
+              }
+            }
+          }
+          this._i18n = options.i18n;
+          this._i18nWatcher = this._i18n.watchI18nData();
+        } else if (isPlainObject(options.i18n)) {
+          var rootI18n = this.$root && this.$root.$i18n && this.$root.$i18n instanceof VueI18n
+            ? this.$root.$i18n
+            : null;
+          // component local i18n
+          if (rootI18n) {
+            options.i18n.root = this.$root;
+            options.i18n.formatter = rootI18n.formatter;
+            options.i18n.fallbackLocale = rootI18n.fallbackLocale;
+            options.i18n.formatFallbackMessages = rootI18n.formatFallbackMessages;
+            options.i18n.silentTranslationWarn = rootI18n.silentTranslationWarn;
+            options.i18n.silentFallbackWarn = rootI18n.silentFallbackWarn;
+            options.i18n.pluralizationRules = rootI18n.pluralizationRules;
+            options.i18n.preserveDirectiveContent = rootI18n.preserveDirectiveContent;
+          }
+
+          // init locale messages via custom blocks
+          if (options.__i18n) {
+            try {
+              var localeMessages$1 = {};
+              options.__i18n.forEach(function (resource) {
+                localeMessages$1 = merge(localeMessages$1, JSON.parse(resource));
+              });
+              options.i18n.messages = localeMessages$1;
+            } catch (e) {
+              {
+                warn("Cannot parse locale messages via custom blocks.", e);
+              }
+            }
+          }
+
+          var ref = options.i18n;
+          var sharedMessages = ref.sharedMessages;
+          if (sharedMessages && isPlainObject(sharedMessages)) {
+            options.i18n.messages = merge(options.i18n.messages, sharedMessages);
+          }
+
+          this._i18n = new VueI18n(options.i18n);
+          this._i18nWatcher = this._i18n.watchI18nData();
+
+          if (options.i18n.sync === undefined || !!options.i18n.sync) {
+            this._localeWatcher = this.$i18n.watchLocale();
+          }
+
+          if (rootI18n) {
+            rootI18n.onComponentInstanceCreated(this._i18n);
+          }
+        } else {
+          {
+            warn("Cannot be interpreted 'i18n' option.");
+          }
+        }
+      } else if (this.$root && this.$root.$i18n && this.$root.$i18n instanceof VueI18n) {
+        // root i18n
+        this._i18n = this.$root.$i18n;
+      } else if (options.parent && options.parent.$i18n && options.parent.$i18n instanceof VueI18n) {
+        // parent i18n
+        this._i18n = options.parent.$i18n;
+      }
+    },
+
+    beforeMount: function beforeMount () {
+      var options = this.$options;
+      options.i18n = options.i18n || (options.__i18n ? {} : null);
+
+      if (options.i18n) {
+        if (options.i18n instanceof VueI18n) {
+          // init locale messages via custom blocks
+          this._i18n.subscribeDataChanging(this);
+          this._subscribing = true;
+        } else if (isPlainObject(options.i18n)) {
+          this._i18n.subscribeDataChanging(this);
+          this._subscribing = true;
+        } else {
+          {
+            warn("Cannot be interpreted 'i18n' option.");
+          }
+        }
+      } else if (this.$root && this.$root.$i18n && this.$root.$i18n instanceof VueI18n) {
+        this._i18n.subscribeDataChanging(this);
+        this._subscribing = true;
+      } else if (options.parent && options.parent.$i18n && options.parent.$i18n instanceof VueI18n) {
+        this._i18n.subscribeDataChanging(this);
+        this._subscribing = true;
+      }
+    },
+
+    beforeDestroy: function beforeDestroy () {
+      if (!this._i18n) { return }
+
+      var self = this;
+      this.$nextTick(function () {
+        if (self._subscribing) {
+          self._i18n.unsubscribeDataChanging(self);
+          delete self._subscribing;
+        }
+
+        if (self._i18nWatcher) {
+          self._i18nWatcher();
+          self._i18n.destroyVM();
+          delete self._i18nWatcher;
+        }
+
+        if (self._localeWatcher) {
+          self._localeWatcher();
+          delete self._localeWatcher;
+        }
+      });
+    }
+  };
+
+  /*  */
+
+  var interpolationComponent = {
+    name: 'i18n',
+    functional: true,
+    props: {
+      tag: {
+        type: [String, Boolean],
+        default: 'span'
+      },
+      path: {
+        type: String,
+        required: true
+      },
+      locale: {
+        type: String
+      },
+      places: {
+        type: [Array, Object]
+      }
+    },
+    render: function render (h, ref) {
+      var data = ref.data;
+      var parent = ref.parent;
+      var props = ref.props;
+      var slots = ref.slots;
+
+      var $i18n = parent.$i18n;
+      if (!$i18n) {
+        {
+          warn('Cannot find VueI18n instance!');
+        }
+        return
+      }
+
+      var path = props.path;
+      var locale = props.locale;
+      var places = props.places;
+      var params = slots();
+      var children = $i18n.i(
+        path,
+        locale,
+        onlyHasDefaultPlace(params) || places
+          ? useLegacyPlaces(params.default, places)
+          : params
+      );
+
+      var tag = (!!props.tag && props.tag !== true) || props.tag === false ? props.tag : 'span';
+      return tag ? h(tag, data, children) : children
+    }
+  };
+
+  function onlyHasDefaultPlace (params) {
+    var prop;
+    for (prop in params) {
+      if (prop !== 'default') { return false }
+    }
+    return Boolean(prop)
+  }
+
+  function useLegacyPlaces (children, places) {
+    var params = places ? createParamsFromPlaces(places) : {};
+
+    if (!children) { return params }
+
+    // Filter empty text nodes
+    children = children.filter(function (child) {
+      return child.tag || child.text.trim() !== ''
+    });
+
+    var everyPlace = children.every(vnodeHasPlaceAttribute);
+    if (everyPlace) {
+      warn('`place` attribute is deprecated in next major version. Please switch to Vue slots.');
+    }
+
+    return children.reduce(
+      everyPlace ? assignChildPlace : assignChildIndex,
+      params
+    )
+  }
+
+  function createParamsFromPlaces (places) {
+    {
+      warn('`places` prop is deprecated in next major version. Please switch to Vue slots.');
+    }
+
+    return Array.isArray(places)
+      ? places.reduce(assignChildIndex, {})
+      : Object.assign({}, places)
+  }
+
+  function assignChildPlace (params, child) {
+    if (child.data && child.data.attrs && child.data.attrs.place) {
+      params[child.data.attrs.place] = child;
+    }
+    return params
+  }
+
+  function assignChildIndex (params, child, index) {
+    params[index] = child;
+    return params
+  }
+
+  function vnodeHasPlaceAttribute (vnode) {
+    return Boolean(vnode.data && vnode.data.attrs && vnode.data.attrs.place)
+  }
+
+  /*  */
+
+  var numberComponent = {
+    name: 'i18n-n',
+    functional: true,
+    props: {
+      tag: {
+        type: [String, Boolean],
+        default: 'span'
+      },
+      value: {
+        type: Number,
+        required: true
+      },
+      format: {
+        type: [String, Object]
+      },
+      locale: {
+        type: String
+      }
+    },
+    render: function render (h, ref) {
+      var props = ref.props;
+      var parent = ref.parent;
+      var data = ref.data;
+
+      var i18n = parent.$i18n;
+
+      if (!i18n) {
+        {
+          warn('Cannot find VueI18n instance!');
+        }
+        return null
+      }
+
+      var key = null;
+      var options = null;
+
+      if (isString(props.format)) {
+        key = props.format;
+      } else if (isObject(props.format)) {
+        if (props.format.key) {
+          key = props.format.key;
+        }
+
+        // Filter out number format options only
+        options = Object.keys(props.format).reduce(function (acc, prop) {
+          var obj;
+
+          if (includes(numberFormatKeys, prop)) {
+            return Object.assign({}, acc, ( obj = {}, obj[prop] = props.format[prop], obj ))
+          }
+          return acc
+        }, null);
+      }
+
+      var locale = props.locale || i18n.locale;
+      var parts = i18n._ntp(props.value, locale, key, options);
+
+      var values = parts.map(function (part, index) {
+        var obj;
+
+        var slot = data.scopedSlots && data.scopedSlots[part.type];
+        return slot ? slot(( obj = {}, obj[part.type] = part.value, obj.index = index, obj.parts = parts, obj )) : part.value
+      });
+
+      var tag = (!!props.tag && props.tag !== true) || props.tag === false ? props.tag : 'span';
+      return tag
+        ? h(tag, {
+          attrs: data.attrs,
+          'class': data['class'],
+          staticClass: data.staticClass
+        }, values)
+        : values
+    }
+  };
+
+  /*  */
+
+  function bind (el, binding, vnode) {
+    if (!assert(el, vnode)) { return }
+
+    t(el, binding, vnode);
+  }
+
+  function update (el, binding, vnode, oldVNode) {
+    if (!assert(el, vnode)) { return }
+
+    var i18n = vnode.context.$i18n;
+    if (localeEqual(el, vnode) &&
+      (looseEqual(binding.value, binding.oldValue) &&
+       looseEqual(el._localeMessage, i18n.getLocaleMessage(i18n.locale)))) { return }
+
+    t(el, binding, vnode);
+  }
+
+  function unbind (el, binding, vnode, oldVNode) {
+    var vm = vnode.context;
+    if (!vm) {
+      warn('Vue instance does not exists in VNode context');
+      return
+    }
+
+    var i18n = vnode.context.$i18n || {};
+    if (!binding.modifiers.preserve && !i18n.preserveDirectiveContent) {
+      el.textContent = '';
+    }
+    el._vt = undefined;
+    delete el['_vt'];
+    el._locale = undefined;
+    delete el['_locale'];
+    el._localeMessage = undefined;
+    delete el['_localeMessage'];
+  }
+
+  function assert (el, vnode) {
+    var vm = vnode.context;
+    if (!vm) {
+      warn('Vue instance does not exists in VNode context');
+      return false
+    }
+
+    if (!vm.$i18n) {
+      warn('VueI18n instance does not exists in Vue instance');
+      return false
+    }
+
+    return true
+  }
+
+  function localeEqual (el, vnode) {
+    var vm = vnode.context;
+    return el._locale === vm.$i18n.locale
+  }
+
+  function t (el, binding, vnode) {
+    var ref$1, ref$2;
+
+    var value = binding.value;
+
+    var ref = parseValue(value);
+    var path = ref.path;
+    var locale = ref.locale;
+    var args = ref.args;
+    var choice = ref.choice;
+    if (!path && !locale && !args) {
+      warn('value type not supported');
+      return
+    }
+
+    if (!path) {
+      warn('`path` is required in v-t directive');
+      return
+    }
+
+    var vm = vnode.context;
+    if (choice != null) {
+      el._vt = el.textContent = (ref$1 = vm.$i18n).tc.apply(ref$1, [ path, choice ].concat( makeParams(locale, args) ));
+    } else {
+      el._vt = el.textContent = (ref$2 = vm.$i18n).t.apply(ref$2, [ path ].concat( makeParams(locale, args) ));
+    }
+    el._locale = vm.$i18n.locale;
+    el._localeMessage = vm.$i18n.getLocaleMessage(vm.$i18n.locale);
+  }
+
+  function parseValue (value) {
+    var path;
+    var locale;
+    var args;
+    var choice;
+
+    if (isString(value)) {
+      path = value;
+    } else if (isPlainObject(value)) {
+      path = value.path;
+      locale = value.locale;
+      args = value.args;
+      choice = value.choice;
+    }
+
+    return { path: path, locale: locale, args: args, choice: choice }
+  }
+
+  function makeParams (locale, args) {
+    var params = [];
+
+    locale && params.push(locale);
+    if (args && (Array.isArray(args) || isPlainObject(args))) {
+      params.push(args);
+    }
+
+    return params
+  }
+
+  var Vue;
+
+  function install (_Vue) {
+    /* istanbul ignore if */
+    if (install.installed && _Vue === Vue) {
+      warn('already installed.');
+      return
+    }
+    install.installed = true;
+
+    Vue = _Vue;
+
+    var version = (Vue.version && Number(Vue.version.split('.')[0])) || -1;
+    /* istanbul ignore if */
+    if (version < 2) {
+      warn(("vue-i18n (" + (install.version) + ") need to use Vue 2.0 or later (Vue: " + (Vue.version) + ")."));
+      return
+    }
+
+    extend(Vue);
+    Vue.mixin(mixin);
+    Vue.directive('t', { bind: bind, update: update, unbind: unbind });
+    Vue.component(interpolationComponent.name, interpolationComponent);
+    Vue.component(numberComponent.name, numberComponent);
+
+    // use simple mergeStrategies to prevent i18n instance lose '__proto__'
+    var strats = Vue.config.optionMergeStrategies;
+    strats.i18n = function (parentVal, childVal) {
+      return childVal === undefined
+        ? parentVal
+        : childVal
+    };
+  }
+
+  /*  */
+
+  var BaseFormatter = function BaseFormatter () {
+    this._caches = Object.create(null);
+  };
+
+  BaseFormatter.prototype.interpolate = function interpolate (message, values) {
+    if (!values) {
+      return [message]
+    }
+    var tokens = this._caches[message];
+    if (!tokens) {
+      tokens = parse(message);
+      this._caches[message] = tokens;
+    }
+    return compile(tokens, values)
+  };
+
+
+
+  var RE_TOKEN_LIST_VALUE = /^(?:\d)+/;
+  var RE_TOKEN_NAMED_VALUE = /^(?:\w)+/;
+
+  function parse (format) {
+    var tokens = [];
+    var position = 0;
+
+    var text = '';
+    while (position < format.length) {
+      var char = format[position++];
+      if (char === '{') {
+        if (text) {
+          tokens.push({ type: 'text', value: text });
+        }
+
+        text = '';
+        var sub = '';
+        char = format[position++];
+        while (char !== undefined && char !== '}') {
+          sub += char;
+          char = format[position++];
+        }
+        var isClosed = char === '}';
+
+        var type = RE_TOKEN_LIST_VALUE.test(sub)
+          ? 'list'
+          : isClosed && RE_TOKEN_NAMED_VALUE.test(sub)
+            ? 'named'
+            : 'unknown';
+        tokens.push({ value: sub, type: type });
+      } else if (char === '%') {
+        // when found rails i18n syntax, skip text capture
+        if (format[(position)] !== '{') {
+          text += char;
+        }
+      } else {
+        text += char;
+      }
+    }
+
+    text && tokens.push({ type: 'text', value: text });
+
+    return tokens
+  }
+
+  function compile (tokens, values) {
+    var compiled = [];
+    var index = 0;
+
+    var mode = Array.isArray(values)
+      ? 'list'
+      : isObject(values)
+        ? 'named'
+        : 'unknown';
+    if (mode === 'unknown') { return compiled }
+
+    while (index < tokens.length) {
+      var token = tokens[index];
+      switch (token.type) {
+        case 'text':
+          compiled.push(token.value);
+          break
+        case 'list':
+          compiled.push(values[parseInt(token.value, 10)]);
+          break
+        case 'named':
+          if (mode === 'named') {
+            compiled.push((values)[token.value]);
+          } else {
+            {
+              warn(("Type of token '" + (token.type) + "' and format of value '" + mode + "' don't match!"));
+            }
+          }
+          break
+        case 'unknown':
+          {
+            warn("Detect 'unknown' type of token!");
+          }
+          break
+      }
+      index++;
+    }
+
+    return compiled
+  }
+
+  /*  */
+
+  /**
+   *  Path parser
+   *  - Inspired:
+   *    Vue.js Path parser
+   */
+
+  // actions
+  var APPEND = 0;
+  var PUSH = 1;
+  var INC_SUB_PATH_DEPTH = 2;
+  var PUSH_SUB_PATH = 3;
+
+  // states
+  var BEFORE_PATH = 0;
+  var IN_PATH = 1;
+  var BEFORE_IDENT = 2;
+  var IN_IDENT = 3;
+  var IN_SUB_PATH = 4;
+  var IN_SINGLE_QUOTE = 5;
+  var IN_DOUBLE_QUOTE = 6;
+  var AFTER_PATH = 7;
+  var ERROR = 8;
+
+  var pathStateMachine = [];
+
+  pathStateMachine[BEFORE_PATH] = {
+    'ws': [BEFORE_PATH],
+    'ident': [IN_IDENT, APPEND],
+    '[': [IN_SUB_PATH],
+    'eof': [AFTER_PATH]
+  };
+
+  pathStateMachine[IN_PATH] = {
+    'ws': [IN_PATH],
+    '.': [BEFORE_IDENT],
+    '[': [IN_SUB_PATH],
+    'eof': [AFTER_PATH]
+  };
+
+  pathStateMachine[BEFORE_IDENT] = {
+    'ws': [BEFORE_IDENT],
+    'ident': [IN_IDENT, APPEND],
+    '0': [IN_IDENT, APPEND],
+    'number': [IN_IDENT, APPEND]
+  };
+
+  pathStateMachine[IN_IDENT] = {
+    'ident': [IN_IDENT, APPEND],
+    '0': [IN_IDENT, APPEND],
+    'number': [IN_IDENT, APPEND],
+    'ws': [IN_PATH, PUSH],
+    '.': [BEFORE_IDENT, PUSH],
+    '[': [IN_SUB_PATH, PUSH],
+    'eof': [AFTER_PATH, PUSH]
+  };
+
+  pathStateMachine[IN_SUB_PATH] = {
+    "'": [IN_SINGLE_QUOTE, APPEND],
+    '"': [IN_DOUBLE_QUOTE, APPEND],
+    '[': [IN_SUB_PATH, INC_SUB_PATH_DEPTH],
+    ']': [IN_PATH, PUSH_SUB_PATH],
+    'eof': ERROR,
+    'else': [IN_SUB_PATH, APPEND]
+  };
+
+  pathStateMachine[IN_SINGLE_QUOTE] = {
+    "'": [IN_SUB_PATH, APPEND],
+    'eof': ERROR,
+    'else': [IN_SINGLE_QUOTE, APPEND]
+  };
+
+  pathStateMachine[IN_DOUBLE_QUOTE] = {
+    '"': [IN_SUB_PATH, APPEND],
+    'eof': ERROR,
+    'else': [IN_DOUBLE_QUOTE, APPEND]
+  };
+
+  /**
+   * Check if an expression is a literal value.
+   */
+
+  var literalValueRE = /^\s?(?:true|false|-?[\d.]+|'[^']*'|"[^"]*")\s?$/;
+  function isLiteral (exp) {
+    return literalValueRE.test(exp)
+  }
+
+  /**
+   * Strip quotes from a string
+   */
+
+  function stripQuotes (str) {
+    var a = str.charCodeAt(0);
+    var b = str.charCodeAt(str.length - 1);
+    return a === b && (a === 0x22 || a === 0x27)
+      ? str.slice(1, -1)
+      : str
+  }
+
+  /**
+   * Determine the type of a character in a keypath.
+   */
+
+  function getPathCharType (ch) {
+    if (ch === undefined || ch === null) { return 'eof' }
+
+    var code = ch.charCodeAt(0);
+
+    switch (code) {
+      case 0x5B: // [
+      case 0x5D: // ]
+      case 0x2E: // .
+      case 0x22: // "
+      case 0x27: // '
+        return ch
+
+      case 0x5F: // _
+      case 0x24: // $
+      case 0x2D: // -
+        return 'ident'
+
+      case 0x09: // Tab
+      case 0x0A: // Newline
+      case 0x0D: // Return
+      case 0xA0:  // No-break space
+      case 0xFEFF:  // Byte Order Mark
+      case 0x2028:  // Line Separator
+      case 0x2029:  // Paragraph Separator
+        return 'ws'
+    }
+
+    return 'ident'
+  }
+
+  /**
+   * Format a subPath, return its plain form if it is
+   * a literal string or number. Otherwise prepend the
+   * dynamic indicator (*).
+   */
+
+  function formatSubPath (path) {
+    var trimmed = path.trim();
+    // invalid leading 0
+    if (path.charAt(0) === '0' && isNaN(path)) { return false }
+
+    return isLiteral(trimmed) ? stripQuotes(trimmed) : '*' + trimmed
+  }
+
+  /**
+   * Parse a string path into an array of segments
+   */
+
+  function parse$1 (path) {
+    var keys = [];
+    var index = -1;
+    var mode = BEFORE_PATH;
+    var subPathDepth = 0;
+    var c;
+    var key;
+    var newChar;
+    var type;
+    var transition;
+    var action;
+    var typeMap;
+    var actions = [];
+
+    actions[PUSH] = function () {
+      if (key !== undefined) {
+        keys.push(key);
+        key = undefined;
+      }
+    };
+
+    actions[APPEND] = function () {
+      if (key === undefined) {
+        key = newChar;
+      } else {
+        key += newChar;
+      }
+    };
+
+    actions[INC_SUB_PATH_DEPTH] = function () {
+      actions[APPEND]();
+      subPathDepth++;
+    };
+
+    actions[PUSH_SUB_PATH] = function () {
+      if (subPathDepth > 0) {
+        subPathDepth--;
+        mode = IN_SUB_PATH;
+        actions[APPEND]();
+      } else {
+        subPathDepth = 0;
+        if (key === undefined) { return false }
+        key = formatSubPath(key);
+        if (key === false) {
+          return false
+        } else {
+          actions[PUSH]();
+        }
+      }
+    };
+
+    function maybeUnescapeQuote () {
+      var nextChar = path[index + 1];
+      if ((mode === IN_SINGLE_QUOTE && nextChar === "'") ||
+        (mode === IN_DOUBLE_QUOTE && nextChar === '"')) {
+        index++;
+        newChar = '\\' + nextChar;
+        actions[APPEND]();
+        return true
+      }
+    }
+
+    while (mode !== null) {
+      index++;
+      c = path[index];
+
+      if (c === '\\' && maybeUnescapeQuote()) {
+        continue
+      }
+
+      type = getPathCharType(c);
+      typeMap = pathStateMachine[mode];
+      transition = typeMap[type] || typeMap['else'] || ERROR;
+
+      if (transition === ERROR) {
+        return // parse error
+      }
+
+      mode = transition[0];
+      action = actions[transition[1]];
+      if (action) {
+        newChar = transition[2];
+        newChar = newChar === undefined
+          ? c
+          : newChar;
+        if (action() === false) {
+          return
+        }
+      }
+
+      if (mode === AFTER_PATH) {
+        return keys
+      }
+    }
+  }
+
+
+
+
+
+  var I18nPath = function I18nPath () {
+    this._cache = Object.create(null);
+  };
+
+  /**
+   * External parse that check for a cache hit first
+   */
+  I18nPath.prototype.parsePath = function parsePath (path) {
+    var hit = this._cache[path];
+    if (!hit) {
+      hit = parse$1(path);
+      if (hit) {
+        this._cache[path] = hit;
+      }
+    }
+    return hit || []
+  };
+
+  /**
+   * Get path value from path string
+   */
+  I18nPath.prototype.getPathValue = function getPathValue (obj, path) {
+    if (!isObject(obj)) { return null }
+
+    var paths = this.parsePath(path);
+    if (paths.length === 0) {
+      return null
+    } else {
+      var length = paths.length;
+      var last = obj;
+      var i = 0;
+      while (i < length) {
+        var value = last[paths[i]];
+        if (value === undefined) {
+          return null
+        }
+        last = value;
+        i++;
+      }
+
+      return last
+    }
+  };
+
+  /*  */
+
+
+
+  var htmlTagMatcher = /<\/?[\w\s="/.':;#-\/]+>/;
+  var linkKeyMatcher = /(?:@(?:\.[a-z]+)?:(?:[\w\-_|.]+|\([\w\-_|.]+\)))/g;
+  var linkKeyPrefixMatcher = /^@(?:\.([a-z]+))?:/;
+  var bracketsMatcher = /[()]/g;
+  var defaultModifiers = {
+    'upper': function (str) { return str.toLocaleUpperCase(); },
+    'lower': function (str) { return str.toLocaleLowerCase(); },
+    'capitalize': function (str) { return ("" + (str.charAt(0).toLocaleUpperCase()) + (str.substr(1))); }
+  };
+
+  var defaultFormatter = new BaseFormatter();
+
+  var VueI18n = function VueI18n (options) {
+    var this$1 = this;
+    if ( options === void 0 ) options = {};
+
+    // Auto install if it is not done yet and `window` has `Vue`.
+    // To allow users to avoid auto-installation in some cases,
+    // this code should be placed here. See #290
+    /* istanbul ignore if */
+    if (!Vue && typeof window !== 'undefined' && window.Vue) {
+      install(window.Vue);
+    }
+
+    var locale = options.locale || 'en-US';
+    var fallbackLocale = options.fallbackLocale === false
+      ? false
+      : options.fallbackLocale || 'en-US';
+    var messages = options.messages || {};
+    var dateTimeFormats = options.dateTimeFormats || {};
+    var numberFormats = options.numberFormats || {};
+
+    this._vm = null;
+    this._formatter = options.formatter || defaultFormatter;
+    this._modifiers = options.modifiers || {};
+    this._missing = options.missing || null;
+    this._root = options.root || null;
+    this._sync = options.sync === undefined ? true : !!options.sync;
+    this._fallbackRoot = options.fallbackRoot === undefined
+      ? true
+      : !!options.fallbackRoot;
+    this._formatFallbackMessages = options.formatFallbackMessages === undefined
+      ? false
+      : !!options.formatFallbackMessages;
+    this._silentTranslationWarn = options.silentTranslationWarn === undefined
+      ? false
+      : options.silentTranslationWarn;
+    this._silentFallbackWarn = options.silentFallbackWarn === undefined
+      ? false
+      : !!options.silentFallbackWarn;
+    this._dateTimeFormatters = {};
+    this._numberFormatters = {};
+    this._path = new I18nPath();
+    this._dataListeners = [];
+    this._componentInstanceCreatedListener = options.componentInstanceCreatedListener || null;
+    this._preserveDirectiveContent = options.preserveDirectiveContent === undefined
+      ? false
+      : !!options.preserveDirectiveContent;
+    this.pluralizationRules = options.pluralizationRules || {};
+    this._warnHtmlInMessage = options.warnHtmlInMessage || 'off';
+    this._postTranslation = options.postTranslation || null;
+
+    /**
+     * @param choice {number} a choice index given by the input to $tc: `$tc('path.to.rule', choiceIndex)`
+     * @param choicesLength {number} an overall amount of available choices
+     * @returns a final choice index
+    */
+    this.getChoiceIndex = function (choice, choicesLength) {
+      var thisPrototype = Object.getPrototypeOf(this$1);
+      if (thisPrototype && thisPrototype.getChoiceIndex) {
+        var prototypeGetChoiceIndex = (thisPrototype.getChoiceIndex);
+        return (prototypeGetChoiceIndex).call(this$1, choice, choicesLength)
+      }
+
+      // Default (old) getChoiceIndex implementation - english-compatible
+      var defaultImpl = function (_choice, _choicesLength) {
+        _choice = Math.abs(_choice);
+
+        if (_choicesLength === 2) {
+          return _choice
+            ? _choice > 1
+              ? 1
+              : 0
+            : 1
+        }
+
+        return _choice ? Math.min(_choice, 2) : 0
+      };
+
+      if (this$1.locale in this$1.pluralizationRules) {
+        return this$1.pluralizationRules[this$1.locale].apply(this$1, [choice, choicesLength])
+      } else {
+        return defaultImpl(choice, choicesLength)
+      }
+    };
+
+
+    this._exist = function (message, key) {
+      if (!message || !key) { return false }
+      if (!isNull(this$1._path.getPathValue(message, key))) { return true }
+      // fallback for flat key
+      if (message[key]) { return true }
+      return false
+    };
+
+    if (this._warnHtmlInMessage === 'warn' || this._warnHtmlInMessage === 'error') {
+      Object.keys(messages).forEach(function (locale) {
+        this$1._checkLocaleMessage(locale, this$1._warnHtmlInMessage, messages[locale]);
+      });
+    }
+
+    this._initVM({
+      locale: locale,
+      fallbackLocale: fallbackLocale,
+      messages: messages,
+      dateTimeFormats: dateTimeFormats,
+      numberFormats: numberFormats
+    });
+  };
+
+  var prototypeAccessors = { vm: { configurable: true },messages: { configurable: true },dateTimeFormats: { configurable: true },numberFormats: { configurable: true },availableLocales: { configurable: true },locale: { configurable: true },fallbackLocale: { configurable: true },formatFallbackMessages: { configurable: true },missing: { configurable: true },formatter: { configurable: true },silentTranslationWarn: { configurable: true },silentFallbackWarn: { configurable: true },preserveDirectiveContent: { configurable: true },warnHtmlInMessage: { configurable: true },postTranslation: { configurable: true } };
+
+  VueI18n.prototype._checkLocaleMessage = function _checkLocaleMessage (locale, level, message) {
+    var paths = [];
+
+    var fn = function (level, locale, message, paths) {
+      if (isPlainObject(message)) {
+        Object.keys(message).forEach(function (key) {
+          var val = message[key];
+          if (isPlainObject(val)) {
+            paths.push(key);
+            paths.push('.');
+            fn(level, locale, val, paths);
+            paths.pop();
+            paths.pop();
+          } else {
+            paths.push(key);
+            fn(level, locale, val, paths);
+            paths.pop();
+          }
+        });
+      } else if (Array.isArray(message)) {
+        message.forEach(function (item, index) {
+          if (isPlainObject(item)) {
+            paths.push(("[" + index + "]"));
+            paths.push('.');
+            fn(level, locale, item, paths);
+            paths.pop();
+            paths.pop();
+          } else {
+            paths.push(("[" + index + "]"));
+            fn(level, locale, item, paths);
+            paths.pop();
+          }
+        });
+      } else if (isString(message)) {
+        var ret = htmlTagMatcher.test(message);
+        if (ret) {
+          var msg = "Detected HTML in message '" + message + "' of keypath '" + (paths.join('')) + "' at '" + locale + "'. Consider component interpolation with '<i18n>' to avoid XSS. See https://bit.ly/2ZqJzkp";
+          if (level === 'warn') {
+            warn(msg);
+          } else if (level === 'error') {
+            error(msg);
+          }
+        }
+      }
+    };
+
+    fn(level, locale, message, paths);
+  };
+
+  VueI18n.prototype._initVM = function _initVM (data) {
+    var silent = Vue.config.silent;
+    Vue.config.silent = true;
+    this._vm = new Vue({ data: data });
+    Vue.config.silent = silent;
+  };
+
+  VueI18n.prototype.destroyVM = function destroyVM () {
+    this._vm.$destroy();
+  };
+
+  VueI18n.prototype.subscribeDataChanging = function subscribeDataChanging (vm) {
+    this._dataListeners.push(vm);
+  };
+
+  VueI18n.prototype.unsubscribeDataChanging = function unsubscribeDataChanging (vm) {
+    remove(this._dataListeners, vm);
+  };
+
+  VueI18n.prototype.watchI18nData = function watchI18nData () {
+    var self = this;
+    return this._vm.$watch('$data', function () {
+      var i = self._dataListeners.length;
+      while (i--) {
+        Vue.nextTick(function () {
+          self._dataListeners[i] && self._dataListeners[i].$forceUpdate();
+        });
+      }
+    }, { deep: true })
+  };
+
+  VueI18n.prototype.watchLocale = function watchLocale () {
+    /* istanbul ignore if */
+    if (!this._sync || !this._root) { return null }
+    var target = this._vm;
+    return this._root.$i18n.vm.$watch('locale', function (val) {
+      target.$set(target, 'locale', val);
+      target.$forceUpdate();
+    }, { immediate: true })
+  };
+
+  VueI18n.prototype.onComponentInstanceCreated = function onComponentInstanceCreated (newI18n) {
+    if (this._componentInstanceCreatedListener) {
+      this._componentInstanceCreatedListener(newI18n, this);
+    }
+  };
+
+  prototypeAccessors.vm.get = function () { return this._vm };
+
+  prototypeAccessors.messages.get = function () { return looseClone(this._getMessages()) };
+  prototypeAccessors.dateTimeFormats.get = function () { return looseClone(this._getDateTimeFormats()) };
+  prototypeAccessors.numberFormats.get = function () { return looseClone(this._getNumberFormats()) };
+  prototypeAccessors.availableLocales.get = function () { return Object.keys(this.messages).sort() };
+
+  prototypeAccessors.locale.get = function () { return this._vm.locale };
+  prototypeAccessors.locale.set = function (locale) {
+    this._vm.$set(this._vm, 'locale', locale);
+  };
+
+  prototypeAccessors.fallbackLocale.get = function () { return this._vm.fallbackLocale };
+  prototypeAccessors.fallbackLocale.set = function (locale) {
+    this._localeChainCache = {};
+    this._vm.$set(this._vm, 'fallbackLocale', locale);
+  };
+
+  prototypeAccessors.formatFallbackMessages.get = function () { return this._formatFallbackMessages };
+  prototypeAccessors.formatFallbackMessages.set = function (fallback) { this._formatFallbackMessages = fallback; };
+
+  prototypeAccessors.missing.get = function () { return this._missing };
+  prototypeAccessors.missing.set = function (handler) { this._missing = handler; };
+
+  prototypeAccessors.formatter.get = function () { return this._formatter };
+  prototypeAccessors.formatter.set = function (formatter) { this._formatter = formatter; };
+
+  prototypeAccessors.silentTranslationWarn.get = function () { return this._silentTranslationWarn };
+  prototypeAccessors.silentTranslationWarn.set = function (silent) { this._silentTranslationWarn = silent; };
+
+  prototypeAccessors.silentFallbackWarn.get = function () { return this._silentFallbackWarn };
+  prototypeAccessors.silentFallbackWarn.set = function (silent) { this._silentFallbackWarn = silent; };
+
+  prototypeAccessors.preserveDirectiveContent.get = function () { return this._preserveDirectiveContent };
+  prototypeAccessors.preserveDirectiveContent.set = function (preserve) { this._preserveDirectiveContent = preserve; };
+
+  prototypeAccessors.warnHtmlInMessage.get = function () { return this._warnHtmlInMessage };
+  prototypeAccessors.warnHtmlInMessage.set = function (level) {
+      var this$1 = this;
+
+    var orgLevel = this._warnHtmlInMessage;
+    this._warnHtmlInMessage = level;
+    if (orgLevel !== level && (level === 'warn' || level === 'error')) {
+      var messages = this._getMessages();
+      Object.keys(messages).forEach(function (locale) {
+        this$1._checkLocaleMessage(locale, this$1._warnHtmlInMessage, messages[locale]);
+      });
+    }
+  };
+
+  prototypeAccessors.postTranslation.get = function () { return this._postTranslation };
+  prototypeAccessors.postTranslation.set = function (handler) { this._postTranslation = handler; };
+
+  VueI18n.prototype._getMessages = function _getMessages () { return this._vm.messages };
+  VueI18n.prototype._getDateTimeFormats = function _getDateTimeFormats () { return this._vm.dateTimeFormats };
+  VueI18n.prototype._getNumberFormats = function _getNumberFormats () { return this._vm.numberFormats };
+
+  VueI18n.prototype._warnDefault = function _warnDefault (locale, key, result, vm, values, interpolateMode) {
+    if (!isNull(result)) { return result }
+    if (this._missing) {
+      var missingRet = this._missing.apply(null, [locale, key, vm, values]);
+      if (isString(missingRet)) {
+        return missingRet
+      }
+    } else {
+      if (!this._isSilentTranslationWarn(key)) {
+        warn(
+          "Cannot translate the value of keypath '" + key + "'. " +
+          'Use the value of keypath as default.'
+        );
+      }
+    }
+
+    if (this._formatFallbackMessages) {
+      var parsedArgs = parseArgs.apply(void 0, values);
+      return this._render(key, interpolateMode, parsedArgs.params, key)
+    } else {
+      return key
+    }
+  };
+
+  VueI18n.prototype._isFallbackRoot = function _isFallbackRoot (val) {
+    return !val && !isNull(this._root) && this._fallbackRoot
+  };
+
+  VueI18n.prototype._isSilentFallbackWarn = function _isSilentFallbackWarn (key) {
+    return this._silentFallbackWarn instanceof RegExp
+      ? this._silentFallbackWarn.test(key)
+      : this._silentFallbackWarn
+  };
+
+  VueI18n.prototype._isSilentFallback = function _isSilentFallback (locale, key) {
+    return this._isSilentFallbackWarn(key) && (this._isFallbackRoot() || locale !== this.fallbackLocale)
+  };
+
+  VueI18n.prototype._isSilentTranslationWarn = function _isSilentTranslationWarn (key) {
+    return this._silentTranslationWarn instanceof RegExp
+      ? this._silentTranslationWarn.test(key)
+      : this._silentTranslationWarn
+  };
+
+  VueI18n.prototype._interpolate = function _interpolate (
+    locale,
+    message,
+    key,
+    host,
+    interpolateMode,
+    values,
+    visitedLinkStack
+  ) {
+    if (!message) { return null }
+
+    var pathRet = this._path.getPathValue(message, key);
+    if (Array.isArray(pathRet) || isPlainObject(pathRet)) { return pathRet }
+
+    var ret;
+    if (isNull(pathRet)) {
+      /* istanbul ignore else */
+      if (isPlainObject(message)) {
+        ret = message[key];
+        if (!isString(ret)) {
+          if (!this._isSilentTranslationWarn(key) && !this._isSilentFallback(locale, key)) {
+            warn(("Value of key '" + key + "' is not a string!"));
+          }
+          return null
+        }
+      } else {
+        return null
+      }
+    } else {
+      /* istanbul ignore else */
+      if (isString(pathRet)) {
+        ret = pathRet;
+      } else {
+        if (!this._isSilentTranslationWarn(key) && !this._isSilentFallback(locale, key)) {
+          warn(("Value of key '" + key + "' is not a string!"));
+        }
+        return null
+      }
+    }
+
+    // Check for the existence of links within the translated string
+    if (ret.indexOf('@:') >= 0 || ret.indexOf('@.') >= 0) {
+      ret = this._link(locale, message, ret, host, 'raw', values, visitedLinkStack);
+    }
+
+    return this._render(ret, interpolateMode, values, key)
+  };
+
+  VueI18n.prototype._link = function _link (
+    locale,
+    message,
+    str,
+    host,
+    interpolateMode,
+    values,
+    visitedLinkStack
+  ) {
+    var ret = str;
+
+    // Match all the links within the local
+    // We are going to replace each of
+    // them with its translation
+    var matches = ret.match(linkKeyMatcher);
+    for (var idx in matches) {
+      // ie compatible: filter custom array
+      // prototype method
+      if (!matches.hasOwnProperty(idx)) {
+        continue
+      }
+      var link = matches[idx];
+      var linkKeyPrefixMatches = link.match(linkKeyPrefixMatcher);
+      var linkPrefix = linkKeyPrefixMatches[0];
+        var formatterName = linkKeyPrefixMatches[1];
+
+      // Remove the leading @:, @.case: and the brackets
+      var linkPlaceholder = link.replace(linkPrefix, '').replace(bracketsMatcher, '');
+
+      if (includes(visitedLinkStack, linkPlaceholder)) {
+        {
+          warn(("Circular reference found. \"" + link + "\" is already visited in the chain of " + (visitedLinkStack.reverse().join(' <- '))));
+        }
+        return ret
+      }
+      visitedLinkStack.push(linkPlaceholder);
+
+      // Translate the link
+      var translated = this._interpolate(
+        locale, message, linkPlaceholder, host,
+        interpolateMode === 'raw' ? 'string' : interpolateMode,
+        interpolateMode === 'raw' ? undefined : values,
+        visitedLinkStack
+      );
+
+      if (this._isFallbackRoot(translated)) {
+        if (!this._isSilentTranslationWarn(linkPlaceholder)) {
+          warn(("Fall back to translate the link placeholder '" + linkPlaceholder + "' with root locale."));
+        }
+        /* istanbul ignore if */
+        if (!this._root) { throw Error('unexpected error') }
+        var root = this._root.$i18n;
+        translated = root._translate(
+          root._getMessages(), root.locale, root.fallbackLocale,
+          linkPlaceholder, host, interpolateMode, values
+        );
+      }
+      translated = this._warnDefault(
+        locale, linkPlaceholder, translated, host,
+        Array.isArray(values) ? values : [values],
+        interpolateMode
+      );
+
+      if (this._modifiers.hasOwnProperty(formatterName)) {
+        translated = this._modifiers[formatterName](translated);
+      } else if (defaultModifiers.hasOwnProperty(formatterName)) {
+        translated = defaultModifiers[formatterName](translated);
+      }
+
+      visitedLinkStack.pop();
+
+      // Replace the link with the translated
+      ret = !translated ? ret : ret.replace(link, translated);
+    }
+
+    return ret
+  };
+
+  VueI18n.prototype._render = function _render (message, interpolateMode, values, path) {
+    var ret = this._formatter.interpolate(message, values, path);
+
+    // If the custom formatter refuses to work - apply the default one
+    if (!ret) {
+      ret = defaultFormatter.interpolate(message, values, path);
+    }
+
+    // if interpolateMode is **not** 'string' ('row'),
+    // return the compiled data (e.g. ['foo', VNode, 'bar']) with formatter
+    return interpolateMode === 'string' && !isString(ret) ? ret.join('') : ret
+  };
+
+  VueI18n.prototype._appendItemToChain = function _appendItemToChain (chain, item, blocks) {
+    var follow = false;
+    if (!includes(chain, item)) {
+      follow = true;
+      if (item) {
+        follow = item[item.length - 1] !== '!';
+        item = item.replace(/!/g, '');
+        chain.push(item);
+        if (blocks && blocks[item]) {
+          follow = blocks[item];
+        }
+      }
+    }
+    return follow
+  };
+
+  VueI18n.prototype._appendLocaleToChain = function _appendLocaleToChain (chain, locale, blocks) {
+    var follow;
+    var tokens = locale.split('-');
+    do {
+      var item = tokens.join('-');
+      follow = this._appendItemToChain(chain, item, blocks);
+      tokens.splice(-1, 1);
+    } while (tokens.length && (follow === true))
+    return follow
+  };
+
+  VueI18n.prototype._appendBlockToChain = function _appendBlockToChain (chain, block, blocks) {
+    var follow = true;
+    for (var i = 0; (i < block.length) && (isBoolean(follow)); i++) {
+      var locale = block[i];
+      if (isString(locale)) {
+        follow = this._appendLocaleToChain(chain, locale, blocks);
+      }
+    }
+    return follow
+  };
+
+  VueI18n.prototype._getLocaleChain = function _getLocaleChain (start, fallbackLocale) {
+    if (start === '') { return [] }
+
+    if (!this._localeChainCache) {
+      this._localeChainCache = {};
+    }
+
+    var chain = this._localeChainCache[start];
+    if (!chain) {
+      if (!fallbackLocale) {
+        fallbackLocale = this.fallbackLocale;
+      }
+      chain = [];
+
+      // first block defined by start
+      var block = [start];
+
+      // while any intervening block found
+      while (isArray(block)) {
+        block = this._appendBlockToChain(
+          chain,
+          block,
+          fallbackLocale
+        );
+      }
+
+      // last block defined by default
+      var defaults;
+      if (isArray(fallbackLocale)) {
+        defaults = fallbackLocale;
+      } else if (isObject(fallbackLocale)) {
+        /* $FlowFixMe */
+        if (fallbackLocale['default']) {
+          defaults = fallbackLocale['default'];
+        } else {
+          defaults = null;
+        }
+      } else {
+        defaults = fallbackLocale;
+      }
+
+      // convert defaults to array
+      if (isString(defaults)) {
+        block = [defaults];
+      } else {
+        block = defaults;
+      }
+      if (block) {
+        this._appendBlockToChain(
+          chain,
+          block,
+          null
+        );
+      }
+      this._localeChainCache[start] = chain;
+    }
+    return chain
+  };
+
+  VueI18n.prototype._translate = function _translate (
+    messages,
+    locale,
+    fallback,
+    key,
+    host,
+    interpolateMode,
+    args
+  ) {
+    var chain = this._getLocaleChain(locale, fallback);
+    var res;
+    for (var i = 0; i < chain.length; i++) {
+      var step = chain[i];
+      res =
+        this._interpolate(step, messages[step], key, host, interpolateMode, args, [key]);
+      if (!isNull(res)) {
+        if (step !== locale && "development" !== 'production' && !this._isSilentTranslationWarn(key) && !this._isSilentFallbackWarn(key)) {
+          warn(("Fall back to translate the keypath '" + key + "' with '" + step + "' locale."));
+        }
+        return res
+      }
+    }
+    return null
+  };
+
+  VueI18n.prototype._t = function _t (key, _locale, messages, host) {
+      var ref;
+
+      var values = [], len = arguments.length - 4;
+      while ( len-- > 0 ) values[ len ] = arguments[ len + 4 ];
+    if (!key) { return '' }
+
+    var parsedArgs = parseArgs.apply(void 0, values);
+    var locale = parsedArgs.locale || _locale;
+
+    var ret = this._translate(
+      messages, locale, this.fallbackLocale, key,
+      host, 'string', parsedArgs.params
+    );
+    if (this._isFallbackRoot(ret)) {
+      if (!this._isSilentTranslationWarn(key) && !this._isSilentFallbackWarn(key)) {
+        warn(("Fall back to translate the keypath '" + key + "' with root locale."));
+      }
+      /* istanbul ignore if */
+      if (!this._root) { throw Error('unexpected error') }
+      return (ref = this._root).$t.apply(ref, [ key ].concat( values ))
+    } else {
+      ret = this._warnDefault(locale, key, ret, host, values, 'string');
+      if (this._postTranslation && ret !== null && ret !== undefined) {
+        ret = this._postTranslation(ret, key);
+      }
+      return ret
+    }
+  };
+
+  VueI18n.prototype.t = function t (key) {
+      var ref;
+
+      var values = [], len = arguments.length - 1;
+      while ( len-- > 0 ) values[ len ] = arguments[ len + 1 ];
+    return (ref = this)._t.apply(ref, [ key, this.locale, this._getMessages(), null ].concat( values ))
+  };
+
+  VueI18n.prototype._i = function _i (key, locale, messages, host, values) {
+    var ret =
+      this._translate(messages, locale, this.fallbackLocale, key, host, 'raw', values);
+    if (this._isFallbackRoot(ret)) {
+      if (!this._isSilentTranslationWarn(key)) {
+        warn(("Fall back to interpolate the keypath '" + key + "' with root locale."));
+      }
+      if (!this._root) { throw Error('unexpected error') }
+      return this._root.$i18n.i(key, locale, values)
+    } else {
+      return this._warnDefault(locale, key, ret, host, [values], 'raw')
+    }
+  };
+
+  VueI18n.prototype.i = function i (key, locale, values) {
+    /* istanbul ignore if */
+    if (!key) { return '' }
+
+    if (!isString(locale)) {
+      locale = this.locale;
+    }
+
+    return this._i(key, locale, this._getMessages(), null, values)
+  };
+
+  VueI18n.prototype._tc = function _tc (
+    key,
+    _locale,
+    messages,
+    host,
+    choice
+  ) {
+      var ref;
+
+      var values = [], len = arguments.length - 5;
+      while ( len-- > 0 ) values[ len ] = arguments[ len + 5 ];
+    if (!key) { return '' }
+    if (choice === undefined) {
+      choice = 1;
+    }
+
+    var predefined = { 'count': choice, 'n': choice };
+    var parsedArgs = parseArgs.apply(void 0, values);
+    parsedArgs.params = Object.assign(predefined, parsedArgs.params);
+    values = parsedArgs.locale === null ? [parsedArgs.params] : [parsedArgs.locale, parsedArgs.params];
+    return this.fetchChoice((ref = this)._t.apply(ref, [ key, _locale, messages, host ].concat( values )), choice)
+  };
+
+  VueI18n.prototype.fetchChoice = function fetchChoice (message, choice) {
+    /* istanbul ignore if */
+    if (!message && !isString(message)) { return null }
+    var choices = message.split('|');
+
+    choice = this.getChoiceIndex(choice, choices.length);
+    if (!choices[choice]) { return message }
+    return choices[choice].trim()
+  };
+
+  VueI18n.prototype.tc = function tc (key, choice) {
+      var ref;
+
+      var values = [], len = arguments.length - 2;
+      while ( len-- > 0 ) values[ len ] = arguments[ len + 2 ];
+    return (ref = this)._tc.apply(ref, [ key, this.locale, this._getMessages(), null, choice ].concat( values ))
+  };
+
+  VueI18n.prototype._te = function _te (key, locale, messages) {
+      var args = [], len = arguments.length - 3;
+      while ( len-- > 0 ) args[ len ] = arguments[ len + 3 ];
+
+    var _locale = parseArgs.apply(void 0, args).locale || locale;
+    return this._exist(messages[_locale], key)
+  };
+
+  VueI18n.prototype.te = function te (key, locale) {
+    return this._te(key, this.locale, this._getMessages(), locale)
+  };
+
+  VueI18n.prototype.getLocaleMessage = function getLocaleMessage (locale) {
+    return looseClone(this._vm.messages[locale] || {})
+  };
+
+  VueI18n.prototype.setLocaleMessage = function setLocaleMessage (locale, message) {
+    if (this._warnHtmlInMessage === 'warn' || this._warnHtmlInMessage === 'error') {
+      this._checkLocaleMessage(locale, this._warnHtmlInMessage, message);
+    }
+    this._vm.$set(this._vm.messages, locale, message);
+  };
+
+  VueI18n.prototype.mergeLocaleMessage = function mergeLocaleMessage (locale, message) {
+    if (this._warnHtmlInMessage === 'warn' || this._warnHtmlInMessage === 'error') {
+      this._checkLocaleMessage(locale, this._warnHtmlInMessage, message);
+    }
+    this._vm.$set(this._vm.messages, locale, merge({}, this._vm.messages[locale] || {}, message));
+  };
+
+  VueI18n.prototype.getDateTimeFormat = function getDateTimeFormat (locale) {
+    return looseClone(this._vm.dateTimeFormats[locale] || {})
+  };
+
+  VueI18n.prototype.setDateTimeFormat = function setDateTimeFormat (locale, format) {
+    this._vm.$set(this._vm.dateTimeFormats, locale, format);
+    this._clearDateTimeFormat(locale, format);
+  };
+
+  VueI18n.prototype.mergeDateTimeFormat = function mergeDateTimeFormat (locale, format) {
+    this._vm.$set(this._vm.dateTimeFormats, locale, merge(this._vm.dateTimeFormats[locale] || {}, format));
+    this._clearDateTimeFormat(locale, format);
+  };
+
+  VueI18n.prototype._clearDateTimeFormat = function _clearDateTimeFormat (locale, format) {
+    for (var key in format) {
+      var id = locale + "__" + key;
+
+      if (!this._dateTimeFormatters.hasOwnProperty(id)) {
+        continue
+      }
+
+      delete this._dateTimeFormatters[id];
+    }
+  };
+
+  VueI18n.prototype._localizeDateTime = function _localizeDateTime (
+    value,
+    locale,
+    fallback,
+    dateTimeFormats,
+    key
+  ) {
+    var _locale = locale;
+    var formats = dateTimeFormats[_locale];
+
+    var chain = this._getLocaleChain(locale, fallback);
+    for (var i = 0; i < chain.length; i++) {
+      var current = _locale;
+      var step = chain[i];
+      formats = dateTimeFormats[step];
+      _locale = step;
+      // fallback locale
+      if (isNull(formats) || isNull(formats[key])) {
+        if (step !== locale && "development" !== 'production' && !this._isSilentTranslationWarn(key) && !this._isSilentFallbackWarn(key)) {
+          warn(("Fall back to '" + step + "' datetime formats from '" + current + "' datetime formats."));
+        }
+      } else {
+        break
+      }
+    }
+
+    if (isNull(formats) || isNull(formats[key])) {
+      return null
+    } else {
+      var format = formats[key];
+      var id = _locale + "__" + key;
+      var formatter = this._dateTimeFormatters[id];
+      if (!formatter) {
+        formatter = this._dateTimeFormatters[id] = new Intl.DateTimeFormat(_locale, format);
+      }
+      return formatter.format(value)
+    }
+  };
+
+  VueI18n.prototype._d = function _d (value, locale, key) {
+    /* istanbul ignore if */
+    if (!VueI18n.availabilities.dateTimeFormat) {
+      warn('Cannot format a Date value due to not supported Intl.DateTimeFormat.');
+      return ''
+    }
+
+    if (!key) {
+      return new Intl.DateTimeFormat(locale).format(value)
+    }
+
+    var ret =
+      this._localizeDateTime(value, locale, this.fallbackLocale, this._getDateTimeFormats(), key);
+    if (this._isFallbackRoot(ret)) {
+      if (!this._isSilentTranslationWarn(key) && !this._isSilentFallbackWarn(key)) {
+        warn(("Fall back to datetime localization of root: key '" + key + "'."));
+      }
+      /* istanbul ignore if */
+      if (!this._root) { throw Error('unexpected error') }
+      return this._root.$i18n.d(value, key, locale)
+    } else {
+      return ret || ''
+    }
+  };
+
+  VueI18n.prototype.d = function d (value) {
+      var args = [], len = arguments.length - 1;
+      while ( len-- > 0 ) args[ len ] = arguments[ len + 1 ];
+
+    var locale = this.locale;
+    var key = null;
+
+    if (args.length === 1) {
+      if (isString(args[0])) {
+        key = args[0];
+      } else if (isObject(args[0])) {
+        if (args[0].locale) {
+          locale = args[0].locale;
+        }
+        if (args[0].key) {
+          key = args[0].key;
+        }
+      }
+    } else if (args.length === 2) {
+      if (isString(args[0])) {
+        key = args[0];
+      }
+      if (isString(args[1])) {
+        locale = args[1];
+      }
+    }
+
+    return this._d(value, locale, key)
+  };
+
+  VueI18n.prototype.getNumberFormat = function getNumberFormat (locale) {
+    return looseClone(this._vm.numberFormats[locale] || {})
+  };
+
+  VueI18n.prototype.setNumberFormat = function setNumberFormat (locale, format) {
+    this._vm.$set(this._vm.numberFormats, locale, format);
+    this._clearNumberFormat(locale, format);
+  };
+
+  VueI18n.prototype.mergeNumberFormat = function mergeNumberFormat (locale, format) {
+    this._vm.$set(this._vm.numberFormats, locale, merge(this._vm.numberFormats[locale] || {}, format));
+    this._clearNumberFormat(locale, format);
+  };
+
+  VueI18n.prototype._clearNumberFormat = function _clearNumberFormat (locale, format) {
+    for (var key in format) {
+      var id = locale + "__" + key;
+
+      if (!this._numberFormatters.hasOwnProperty(id)) {
+        continue
+      }
+
+      delete this._numberFormatters[id];
+    }
+  };
+
+  VueI18n.prototype._getNumberFormatter = function _getNumberFormatter (
+    value,
+    locale,
+    fallback,
+    numberFormats,
+    key,
+    options
+  ) {
+    var _locale = locale;
+    var formats = numberFormats[_locale];
+
+    var chain = this._getLocaleChain(locale, fallback);
+    for (var i = 0; i < chain.length; i++) {
+      var current = _locale;
+      var step = chain[i];
+      formats = numberFormats[step];
+      _locale = step;
+      // fallback locale
+      if (isNull(formats) || isNull(formats[key])) {
+        if (step !== locale && "development" !== 'production' && !this._isSilentTranslationWarn(key) && !this._isSilentFallbackWarn(key)) {
+          warn(("Fall back to '" + step + "' number formats from '" + current + "' number formats."));
+        }
+      } else {
+        break
+      }
+    }
+
+    if (isNull(formats) || isNull(formats[key])) {
+      return null
+    } else {
+      var format = formats[key];
+
+      var formatter;
+      if (options) {
+        // If options specified - create one time number formatter
+        formatter = new Intl.NumberFormat(_locale, Object.assign({}, format, options));
+      } else {
+        var id = _locale + "__" + key;
+        formatter = this._numberFormatters[id];
+        if (!formatter) {
+          formatter = this._numberFormatters[id] = new Intl.NumberFormat(_locale, format);
+        }
+      }
+      return formatter
+    }
+  };
+
+  VueI18n.prototype._n = function _n (value, locale, key, options) {
+    /* istanbul ignore if */
+    if (!VueI18n.availabilities.numberFormat) {
+      {
+        warn('Cannot format a Number value due to not supported Intl.NumberFormat.');
+      }
+      return ''
+    }
+
+    if (!key) {
+      var nf = !options ? new Intl.NumberFormat(locale) : new Intl.NumberFormat(locale, options);
+      return nf.format(value)
+    }
+
+    var formatter = this._getNumberFormatter(value, locale, this.fallbackLocale, this._getNumberFormats(), key, options);
+    var ret = formatter && formatter.format(value);
+    if (this._isFallbackRoot(ret)) {
+      if (!this._isSilentTranslationWarn(key) && !this._isSilentFallbackWarn(key)) {
+        warn(("Fall back to number localization of root: key '" + key + "'."));
+      }
+      /* istanbul ignore if */
+      if (!this._root) { throw Error('unexpected error') }
+      return this._root.$i18n.n(value, Object.assign({}, { key: key, locale: locale }, options))
+    } else {
+      return ret || ''
+    }
+  };
+
+  VueI18n.prototype.n = function n (value) {
+      var args = [], len = arguments.length - 1;
+      while ( len-- > 0 ) args[ len ] = arguments[ len + 1 ];
+
+    var locale = this.locale;
+    var key = null;
+    var options = null;
+
+    if (args.length === 1) {
+      if (isString(args[0])) {
+        key = args[0];
+      } else if (isObject(args[0])) {
+        if (args[0].locale) {
+          locale = args[0].locale;
+        }
+        if (args[0].key) {
+          key = args[0].key;
+        }
+
+        // Filter out number format options only
+        options = Object.keys(args[0]).reduce(function (acc, key) {
+            var obj;
+
+          if (includes(numberFormatKeys, key)) {
+            return Object.assign({}, acc, ( obj = {}, obj[key] = args[0][key], obj ))
+          }
+          return acc
+        }, null);
+      }
+    } else if (args.length === 2) {
+      if (isString(args[0])) {
+        key = args[0];
+      }
+      if (isString(args[1])) {
+        locale = args[1];
+      }
+    }
+
+    return this._n(value, locale, key, options)
+  };
+
+  VueI18n.prototype._ntp = function _ntp (value, locale, key, options) {
+    /* istanbul ignore if */
+    if (!VueI18n.availabilities.numberFormat) {
+      {
+        warn('Cannot format to parts a Number value due to not supported Intl.NumberFormat.');
+      }
+      return []
+    }
+
+    if (!key) {
+      var nf = !options ? new Intl.NumberFormat(locale) : new Intl.NumberFormat(locale, options);
+      return nf.formatToParts(value)
+    }
+
+    var formatter = this._getNumberFormatter(value, locale, this.fallbackLocale, this._getNumberFormats(), key, options);
+    var ret = formatter && formatter.formatToParts(value);
+    if (this._isFallbackRoot(ret)) {
+      if (!this._isSilentTranslationWarn(key)) {
+        warn(("Fall back to format number to parts of root: key '" + key + "' ."));
+      }
+      /* istanbul ignore if */
+      if (!this._root) { throw Error('unexpected error') }
+      return this._root.$i18n._ntp(value, locale, key, options)
+    } else {
+      return ret || []
+    }
+  };
+
+  Object.defineProperties( VueI18n.prototype, prototypeAccessors );
+
+  var availabilities;
+  // $FlowFixMe
+  Object.defineProperty(VueI18n, 'availabilities', {
+    get: function get () {
+      if (!availabilities) {
+        var intlDefined = typeof Intl !== 'undefined';
+        availabilities = {
+          dateTimeFormat: intlDefined && typeof Intl.DateTimeFormat !== 'undefined',
+          numberFormat: intlDefined && typeof Intl.NumberFormat !== 'undefined'
+        };
+      }
+
+      return availabilities
+    }
+  });
+
+  VueI18n.install = install;
+  VueI18n.version = '8.18.2';
+
+  return VueI18n;
+
+})));
