diff --git a/.vscode/settings.json b/.vscode/settings.json
index ec1a0e8..0561aa0 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -63,7 +63,7 @@
         "editor.defaultFormatter": "esbenp.prettier-vscode"
     },
     "[typescript]": {
-        "editor.defaultFormatter": "esbenp.prettier-vscode"
+        "editor.defaultFormatter": "vscode.typescript-language-features"
     },
     "[typescriptreact]": {
         "editor.defaultFormatter": "esbenp.prettier-vscode"
diff --git a/index.html b/index.html
index bc0bb64..29ba803 100644
--- a/index.html
+++ b/index.html
@@ -12,6 +12,7 @@
 <!--        <div id="GLOB_API_URL" style="display: none">%VITE_GLOB_API_URL%</div>-->
         <script src="/iconfont.js"></script>
         <script src="/desktopIconfont.js"></script>
+        <script src="/native.extends.js"></script>
 
         <script type="module">
             import {getAppEnvConfig} from "./src/utils/env";
diff --git a/public/native.extends.js b/public/native.extends.js
new file mode 100644
index 0000000..e9c78fb
--- /dev/null
+++ b/public/native.extends.js
@@ -0,0 +1,481 @@
+/***
+ * 扩展String对象
+ */
+;(function(){
+
+    Object.is = function(obj){
+        return Object.prototype.toString.call(obj) == "[object Object]";
+    }
+
+    String.is = function(obj){
+        return Object.prototype.toString.call(obj) == "[object String]";
+    }
+
+    String.prototype.getBytes = function(charset){
+        charset = charset||"UTF-8";
+        return new TextEncoder(charset).encode(this); 
+    }
+
+    String.ofBytes = function(arr,charset){
+        charset = charset||"UTF-8";
+        var uint = arr instanceof Uint8Array?arr:new Uint8Array(arr);
+        return new TextDecoder(charset).decode(uint); 
+    }
+
+    String.prototype.startWith = function(str){
+        if(str==undefined) return false;
+        if(str.length > this.length) return false;
+        for (let i = 0; i < str.length; i++) {
+            if(str.charCodeAt(i)!=this.charCodeAt(i)){
+                return false;
+            }
+        }
+        return true;
+    }
+
+    String.prototype.endWith = function(str){
+        if(str==undefined) return false;
+        if(str.length > this.length) return false;
+        var j = this.length - str.length;
+        for (let i = 0; i < str.length; i++) {
+            if(str.charCodeAt(i)!=this.charCodeAt(i+j)){
+                return false;
+            }
+        }
+        return true;
+    }
+
+    String.prototype.eq = function(str){
+        return (this+'')===str;
+    }
+})();
+
+/**
+ * 扩展Number对象
+ */
+;(function(){
+    Number.is = function(obj){
+        return Object.prototype.toString.call(obj) == "[object Number]";
+    }
+
+    Number.format = function(num,fmt){
+        var fmts = fmt.split(".");
+        var format = {
+            int:fmts[0].split("").reverse(),
+            scale:fmts[1]!=undefined?fmts[1].split(""):undefined
+        }
+        var numsp = (num+"").split(".");
+        var numinfo = {
+            int:numsp[0].split("").reverse(),
+            scale:numsp[1]!=undefined?numsp[1].split(""):undefined
+        }
+        var res = {
+            int:[],
+            scale:undefined
+        }
+        var ni = 0;
+        for (var i = 0; i < format.int.length; i++) {
+            var item = format.int[i];
+            if(item=="#" && ni < numinfo.int.length){
+                res.int.push(numinfo.int[ni]);
+                ni++;
+            }else if(item=="0"){
+                if(ni < numinfo.int.length){
+                    res.int.push(numinfo.int[ni]);
+                    ni++;
+                }else{
+                    res.int.push(item); 
+                }
+            }else if(item==","){
+                if(ni < numinfo.int.length){
+                    res.int.push(",");
+                }else{
+                    continue;
+                }
+            }else if(item!="#"){
+                res.int.push(item);
+            }
+        }
+
+        if(format.scale!=undefined){
+            res.scale = [];
+            for (var j = 0; j < format.scale.length; j++) {
+                var item = format.scale[j];
+                if((item=="0" || item=="#") && numinfo.scale!=undefined && j < numinfo.scale.length){
+                    res.scale.push(numinfo.scale[j]);
+                }else if(item!="#"){
+                    res.scale.push(item);
+                }
+            }
+
+            var numL = 0;
+            for (var k = 0; k < res.scale.length; k++) {
+                var item = res.scale[k];
+                if(/\b/.test(item)){
+                    numL++;
+                }
+            }
+
+            if(numinfo.scale!=undefined && numinfo.scale.length > numL){
+                var nz = res.scale[numL-1];
+                res.scale[numL-1] = parseInt(numinfo.scale[numL])>=5?parseInt(nz)+1:nz;
+            }
+        }
+        var reStr = "";
+        reStr += res.int.reverse().join("");
+        if(res.scale!=undefined){
+            reStr+= ".";
+            reStr+= res.scale.join("");
+        }
+        return reStr.replace("-,", "-");
+    }
+
+    Number.prototype.format = function(fmt){
+        if(fmt==undefined) throw new Error("参数格式化表达式不能为空！");
+        return Number.format(this,fmt);
+    }
+
+    Number.parse = function(str){
+        if(str==undefined) return str;
+        str += "";
+        if(/^-?\d+[\.\d]*$/.test(str)){
+            return new Number(str);
+        }
+        var sps = str.split("");
+        var res = [];
+        for (var i = 0; i < sps.length; i++) {
+            var item = sps[i];
+            if(item=="-" || item=="." || /[0-9]/.test(item)){
+                res.push(item);
+            }
+        }
+        return new Number(res.join(""));
+    }
+})();
+
+/**
+ * 扩展日期对象
+ */
+;(function(){
+    Date.SECOND = {
+        MINUTES:60000,
+        HOURS:3600000,
+        DAY:86400000,
+        WEEK:604800000,
+    }
+
+    Date.Dictionary = {
+        Holiday:{
+            "0101":"元旦",
+            "0214":"情人节",
+            "0308":"妇女节",
+            "0312":"植树节",
+            "0315":"消费者权益日",
+            "0401":"愚人节",
+            "0501":"劳动节",
+            "0504":"青年节",
+            "0512":"护士节",
+            "0601":"儿童节",
+            "0701":"建党节",
+            "0801":"建军节",
+            "0910":"教师节",
+            "0928":"孔子诞辰",
+            "1001":"国庆节",
+            "1006":"老人节",
+            "1024":"联合国日",
+            "1224":"平安夜",
+            "1225":"圣诞节",
+        },
+        LunarHoliday:{
+            "0101":"春节",
+            "0115":"元宵节",
+            "0505":"端午节",
+            "0707":"七夕情人节",
+            "0715":"中元节",
+            "0815":"中秋节",
+            "0909":"重阳节",
+            "1208":"腊八节",
+            "1224":"小年"
+        },
+        Week:{
+            "0" : "日",         
+            "1" : "一",         
+            "2" : "二",         
+            "3" : "三",         
+            "4" : "四",         
+            "5" : "五",         
+            "6" : "六"
+        },
+        timeDistance:{
+            yesterday:"昨天",
+            daysAgo:"{0}天前",
+            hoursAgo:"{0}小时前",
+            minutesAgo:"{0}分钟前",
+            justNow:"刚刚"
+        }
+    }
+
+  Date.is = function(obj){
+      return Object.prototype.toString.call(obj) == "[object Date]";
+  }
+
+  Date.valueOf = function(val,fmt){
+    if(val == undefined) return;
+    if(Date.is(val)){
+       return val;
+    }
+    if(String.is(val)){
+       if (/^\d+$/.test(val)) {
+           return new Date(parseInt(val));
+       }else if(fmt!=undefined){
+           var fmts = fmt.split("");
+           var conf = {
+               y:{start:undefined,end:undefined},
+               M:{start:undefined,end:undefined},
+               d:{start:undefined,end:undefined},
+               H:{start:undefined,end:undefined},
+               h:{start:undefined,end:undefined},
+               m:{start:undefined,end:undefined},
+               s:{start:undefined,end:undefined},
+            };
+            for (var i = 0; i < fmts.length; i++) {
+                var item = conf[fmts[i]];
+                if(item!=undefined){
+                    if(item.start==undefined){
+                        item.start = i;
+                    }else{
+                        item.end = i;
+                    }
+                }
+            }
+           var keys = Object.keys(conf);
+           var parse = {};
+           for (var j = 0; j < keys.length; j++) {
+              var key = keys[j];
+              if(conf[key].start!=undefined && conf[key].end!=undefined){
+                 parse[key] = parseInt(val.substr(conf[key].start,conf[key].end+1));
+              } 
+           }
+           return new Date(parse.y||1975,(parse.M||1)-1,parse.d||1,parse.H||parse.h||0,parse.m||0,parse.s||0);
+       }else{
+           return new Date(val.replace(/-/g, "/"));
+       }
+    }else if(Number.is(val)){
+       return new Date(val);
+    }
+    return undefined;
+  }
+
+
+
+  Date.prototype.format = function(fmt){
+    fmt = fmt || "yyyy-MM-dd HH:mm:ss";
+    var o = {         
+      "M+" : this.getMonth()+1, //月份         
+      "d+" : this.getDate(), //日         
+      "h+" : this.getHours()%12 == 0 ? 12 : this.getHours()%12, //小时         
+      "H+" : this.getHours(), //小时         
+      "m+" : this.getMinutes(), //分         
+      "s+" : this.getSeconds(), //秒         
+      "q+" : Math.floor((this.getMonth()+3)/3), //季度         
+      "S" : this.getMilliseconds() //毫秒         
+      };         
+      if(/(y+)/.test(fmt)){         
+          fmt=fmt.replace(RegExp.$1, (this.getFullYear()+"").substr(4 - RegExp.$1.length));         
+      }         
+      if(/(E+)/.test(fmt)){         
+          fmt=fmt.replace(RegExp.$1,((RegExp.$1.length>1)?(RegExp.$1.length==3?"星期":"周"):"")+this.i18n("Date.Week."+this.getDay()));         
+      }         
+      for(var k in o){         
+          if(new RegExp("("+ k +")").test(fmt)){         
+              fmt = fmt.replace(RegExp.$1, (RegExp.$1.length==1) ? (o[k]) : (("00"+ o[k]).substr((""+ o[k]).length)));         
+          }         
+      }         
+      return fmt; 
+  }
+
+  Date.prototype.toString = function(){
+    return this.format();
+  }
+
+  Date.prototype.getMonthInfo = function(){
+    return {
+       first:new Date(this.getFullYear(),this.getMonth(),1),
+       last:new Date(this.getFullYear(),this.getMonth()+1,0),
+       month:this.getMonth(),
+       name:this.format("yyyy-MM"),
+       monthIndex:this.getMonthIndex()
+    }
+  }
+
+  Date.prototype.getMonthIndex = function(){
+     return parseInt(this.format("yyyyMM"));
+  }
+
+  Date.prototype.getYearInfo = function(){
+    return {
+       first:new Date(this.getFullYear(),0,1),
+       last:new Date(this.getFullYear(),12,0),
+       name:this.format("yyyy")
+    }
+  }
+
+  Date.prototype.getWeekOpt = function(){
+      var yearFirst = new Date(this.getFullYear(),0,1);
+      var d = Math.round((this.valueOf() - yearFirst.valueOf()) / Date.SECOND.DAY);
+      return {
+            first:new Date(this.getTime() - this.getDay()* Date.SECOND.DAY),
+            last:new Date(this.getTime() + (7 - this.getDay())* Date.SECOND.DAY),
+            monthIndex:Math.ceil((this.getDate() + 6 - this.getDay()) / 7),
+            yearIndex:Math.ceil((d + ((yearFirst.getDay() + 1) - 1)) / 7),
+            name:this.format("EE"),
+            fullName:this.format("yyyy-MM EE")
+      }
+  }
+
+  Date.prototype.copy = function(){
+    return new Date(this.getFullYear(),this.getMonth(),this.getDate(),this.getHours(),this.getMinutes(),this.getSeconds());
+  }
+
+  Date.prototype.getDayIndex = function(){
+      var yearFirst = new Date(this.getFullYear(),0,1);
+      return parseInt((this.valueOf() - yearFirst.valueOf())/Date.SECOND.DAY)+1
+  }
+
+  Date.prototype.getDayName = function(){
+    return this.format("yyyy-MM-dd");
+  }
+
+
+  Date.prototype.next = function(){
+    if(arguments.length==0){
+        return new Date(this.getTime()+Date.SECOND.DAY);
+    }
+    if(arguments.length > 0){
+        var type = arguments[0];
+        if(Object.prototype.toString.call(type) == "[object Number]" || 
+            (Object.prototype.toString.call(type) == "[object String]" && /^-?\d+$/.test(type))){
+            return new Date(this.getTime()+Date.SECOND.DAY*parseInt(type));
+        }
+        var step = parseInt(arguments[1]) || 1;
+        var res = undefined;
+        switch (type) {
+            case "y":  
+                res = new Date(this.getTime()); 
+                res.setFullYear(this.getFullYear()+step);
+                break;
+            case "M":  
+                res = new Date(this.getTime()); 
+                res.setDate(1);  
+                var y = step%12;
+                res.setFullYear(this.getFullYear()+parseInt(step/12));
+                var month = res.getMonth()+y;
+                if(month>11){
+                    res.setFullYear(res.getFullYear()+1);
+                    res.setMonth(month-12);
+                }else if(month < 0){
+                    res.setFullYear(res.getFullYear()-1);
+                    res.setMonth(month+12);
+                }else{
+                    res.setMonth(month); 
+                }
+                var conf = res.getMonthInfo();
+                if(this.getDate() < conf.last.getDate()){
+                    res.setDate(this.getDate());
+                }else{
+                    res.setDate(conf.last.getDate());
+                }
+                break;
+            case "w":  res = new Date(this.getTime()+Date.SECOND.WEEK*step); break;
+            case "d":  res = new Date(this.getTime()+Date.SECOND.DAY*step); break;
+            case "H":  res = new Date(this.getTime()+Date.SECOND.HOURS*step); break;
+            case "m":  res = new Date(this.getTime()+Date.SECOND.MINUTES*step); break;
+            case "s":  res = new Date(this.getTime()+1000*step); break;
+            default:
+                res = new Date(this.getTime()+Date.SECOND.DAY*step);
+                break;
+        }
+        return res;
+    }
+  }
+
+  Date.prototype.i18n = function(fmt,args){
+    var str = undefined;
+    if($i18n){
+        var val = $i18n.t(fmt);
+        str =val==fmt?undefined:val;
+    }
+    if(str==undefined){
+        var obj = Date.Dictionary;
+        var fmts = fmt.split('.');
+        for (let i = 1; i < fmts.length; i++) {
+            const item = fmts[i];
+            obj = obj[item];
+            if(obj==undefined){
+                break;
+            }
+        }
+        str = obj;
+    }
+    if(str==undefined) return str;
+    if(args!=undefined){
+        for (var i = 0; i < args.length; i++) {
+            args[i] = args[i] || "";
+            var reg = new RegExp("({)" + i + "(})", "g");
+            str = str.replace(reg, args[i]);
+        }
+    }
+    str = str.replace(/^\{\d+\}$/g, "");
+     return str;
+  }
+
+  Date.prototype.getHolidayName = function(){
+     return this.i18n("Date.Holiday."+this.format("MMdd"));
+  }
+
+  Date.prototype.getLunarHolidayName = function(fmt){
+    return this.i18n("Date.LunarHoliday."+fmt);
+  }
+
+  Date.prototype.getTimeDistance = function(){
+    var date_now = new Date();
+    var time = this.getTime();
+    var distance = date_now.getTime() - time;
+ 
+    var days = parseInt(distance / (1000 * 60 * 60 * 24));
+    if (days == 1) {
+        return  this.i18n('Date.timeDistance.yesterday');
+    } else if (days > 1 && days < 4) {
+        return this.i18n('Date.timeDistance.daysAgo',[days]);//days ago
+    } else if (days > 3) {
+        // 超过3天的，返回日期，如 2018-12-05
+        // 如果是今年的，就省去年份，返回 12-05
+        var year = this.getFullYear();
+        var month = this.getMonth() + 1;
+        if (month < 10) {
+            month = "0" + month;
+        }
+        var day = this.getDate();
+        if (day < 10) {
+            day = "0" + day;
+        }
+        if (date_now.getFullYear() == year) {
+            return month + "-" + day;
+        } else {
+            return year + "-" + month + "-" + day;
+        }
+    }
+ 
+    var hours = parseInt((distance % (1000 * 60 * 60 * 24)) / (1000 * 60 * 60));
+    if (hours > 0) {
+        return this.i18n('Date.timeDistance.hoursAgo',[hours]);
+    }
+ 
+    var minutes = parseInt((distance % (1000 * 60 * 60)) / (1000 * 60));
+    if (minutes > 0) {
+        return this.i18n('Date.timeDistance.minutesAgo',[minutes]);
+    };
+    return this.i18n('Date.timeDistance.justNow');
+  }
+
+})();
\ No newline at end of file
diff --git a/src/utils/dataFormat.ts b/src/utils/dataFormat.ts
new file mode 100644
index 0000000..c23199e
--- /dev/null
+++ b/src/utils/dataFormat.ts
@@ -0,0 +1,109 @@
+import TypeTools, { TYPES } from './type-tools';
+
+const FormatType = {
+  DATE: 'date',
+  TIME: 'time',
+  DATETIME: 'datetime',
+  QTY: 'qty',
+  AMT: 'amt',
+}
+
+const DATE_FORMAT = {
+    DEFAULT: 'yyyy-MM-dd HH:mm:ss',
+    FULL_DATE: 'yyyy-MM-dd HH:mm:ss.S',
+    DATE: 'yyyy-MM-dd',
+    YEAR_MONTH: 'yyyy-MM',
+    TIME: 'HH:mm:ss'
+}
+
+
+const DataFormat = {
+  /**
+   * 格式化日期
+   * @param date 日期
+   * @param formatString 格式化字符串
+   * @returns 格式化后的日期
+   */
+  formatDate: (date: Date | string | number, fmt: string = 'yyyy-MM-dd HH:mm:ss') => {
+      return Date.valueOf(date).format(fmt); 
+  },
+  formatQty: (val: string | number, digits:number) => {
+    return format(new Date(date), digits);
+  },
+  formatAmt: (val: string | number, formatString: number) => {
+    return format(new Date(date), digits);
+  },
+  parseDate: (date: string | Date, formatString: string = 'yyyy-MM-dd HH:mm:ss') => {
+    return new Date(date);
+  },
+  format:(data:any,option:any) => {
+  },
+};
+
+export class FormatOption {
+  key:string;
+  type: string;
+  formatString: string|number;
+
+  constructor(key:string,type: string, formatString: string|number) {
+    this.key = key;
+    this.type = type;
+    this.formatString = formatString;
+  }
+
+  static createDate(key:string,type: string, formatString: string){
+     return new FormatOption(key,type,formatString);
+  }
+
+  static createQty(key:string,decimal?:number){
+     return new FormatOption(key,FormatType.QTY,decimal!=undefined?decimal:3);
+  }
+
+  static createAmt(key:string){
+     return new FormatOption(key,FormatType.AMT,2);
+  }
+
+  format(data:any):any{
+    var keys = this.key.split(".");
+    let valueKey = keys[keys.length-1];
+    let valueData;
+    if(keys.length<=1){
+       valueData = data;
+    }else{
+       valueData = TypeTools.getNestedValue(data,keys.splice(0,keys.length-1));
+    }
+    if(valueData!=undefined && TypeTools.isArray(valueData)){
+       for (let i = 0; i < valueData.length; i++) {
+          let item = valueData[i];
+          let val = item[valueKey];
+          item[valueKey] = this.format(val);
+       }    
+    }
+    if(this.type==FormatType.DATE){
+
+    }else{
+       
+    }
+    return data;
+  }  
+
+  formatValue(value:any):any{
+    if(value==undefined || value==null) return value;
+    try {
+      if(this.type==FormatType.DATE || this.type==FormatType.TIME || this.type==FormatType.DATETIME){
+        return DataFormat.formatDate(value,this.formatString as string);
+      }else if(this.type==FormatType.QTY){
+        return DataFormat.formatQty(value,this.formatString as number);
+      }else if(this.type==FormatType.AMT){
+        return DataFormat.formatAmt(value,this.formatString as number);
+      } 
+    } catch (error) {
+      return value;
+    }
+  }
+}
+
+
+
+
+
diff --git a/src/utils/type-tools.ts b/src/utils/type-tools.ts
index 0c6debd..a9daa39 100644
--- a/src/utils/type-tools.ts
+++ b/src/utils/type-tools.ts
@@ -1,77 +1,113 @@
 const OBJ_TYPE = {
-    OBJ: "[object Object]",
-    NUMBER: "[object Number]",
-    STRING: "[object String]",
-    UNDEFINED: "[object Undefined]",
-    NULL: "[object Null]",
-    BOOLEAN: "[object Boolean]",
-    ARRAY: "[object Array]",
-    FUNCTION: "[object Function]",
-    DATE: "[object Date]",
-    REGEXP: "[object RegExp]",
-    JSON: "[object JSON]",
+   OBJ: "[object Object]",
+   NUMBER: "[object Number]",
+   STRING: "[object String]",
+   UNDEFINED: "[object Undefined]",
+   NULL: "[object Null]",
+   BOOLEAN: "[object Boolean]",
+   ARRAY: "[object Array]",
+   FUNCTION: "[object Function]",
+   DATE: "[object Date]",
+   REGEXP: "[object RegExp]",
+   JSON: "[object JSON]",
 }
 
 const TYPES = {
-  BOOLEAN: "BOOLEAN",
-  NUMBER: "NUMBER",
-  STRING: "STRING",
-  DATE: "DATE",
-  REGEXP: "REGEXP",
-  NULL: "NULL",
-  OBJ: "OBJ",
-  ARRAY: "ARRAY",
-  JSON: "JSON",
-  FUNCTION: "FUNCTION",
-  UNKNOWN: "UNKNOWN",
+   BOOLEAN: "BOOLEAN",
+   NUMBER: "NUMBER",
+   STRING: "STRING",
+   DATE: "DATE",
+   REGEXP: "REGEXP",
+   NULL: "NULL",
+   OBJ: "OBJ",
+   ARRAY: "ARRAY",
+   JSON: "JSON",
+   FUNCTION: "FUNCTION",
+   UNKNOWN: "UNKNOWN",
 }
 
 const TypeTools = {
-      parseType: function (obj: any) {
-         if (obj === null) return TYPES.NULL;
-         if(this.isNull(obj)) return TYPES.NULL;
-         if(this.isString(obj)) return TYPES.STRING;
-         if(this.isNumber(obj)) return TYPES.NUMBER;
-         if(this.isBoolean(obj)) return TYPES.BOOLEAN;
-         if(this.isDate(obj)) return TYPES.DATE;
-         if(this.isRegExp(obj)) return TYPES.REGEXP;
-         if(this.isArray(obj)) return TYPES.ARRAY;
-         if(this.isFunction(obj)) return TYPES.FUNCTION;
-         if(this.isObject(obj)) return TYPES.OBJ;
-         if(this.isJSON(obj)) return TYPES.JSON;
-         return TYPES.UNKNOWN;
-      },
-      isString: function (obj: any) {
-         return OBJ_TYPE.STRING === Object.prototype.toString.call(obj);
-      },
-      isBoolean: function (obj: any) {
-         return OBJ_TYPE.BOOLEAN === Object.prototype.toString.call(obj);
-      },
-      isNumber: function (obj: any) {
-         return OBJ_TYPE.NUMBER === Object.prototype.toString.call(obj);
-      },
-      isDate: function (obj: any) {
-         return OBJ_TYPE.DATE === Object.prototype.toString.call(obj);
-      },
-      isRegExp: function (obj: any) {
-         return OBJ_TYPE.REGEXP === Object.prototype.toString.call(obj);
-      },
-      isNull: function (obj: any) {
-         const type = Object.prototype.toString.call(obj);
-         return OBJ_TYPE.NULL === type || OBJ_TYPE.UNDEFINED === type;
-      },
-      isJSON: function (obj: any) {
-         return OBJ_TYPE.JSON === Object.prototype.toString.call(obj);
-      },
-      isArray: function (obj: any) {
-         return OBJ_TYPE.ARRAY === Object.prototype.toString.call(obj);
-      },
-      isFunction: function (obj: any) {
-         return OBJ_TYPE.FUNCTION === Object.prototype.toString.call(obj);
-      },
-      isObject: function (obj: any) {
-         return OBJ_TYPE.OBJ === Object.prototype.toString.call(obj);
+   parseType: function (obj: any) {
+      if (obj === null) return TYPES.NULL;
+      if (this.isNull(obj)) return TYPES.NULL;
+      if (this.isString(obj)) return TYPES.STRING;
+      if (this.isNumber(obj)) return TYPES.NUMBER;
+      if (this.isBoolean(obj)) return TYPES.BOOLEAN;
+      if (this.isDate(obj)) return TYPES.DATE;
+      if (this.isRegExp(obj)) return TYPES.REGEXP;
+      if (this.isArray(obj)) return TYPES.ARRAY;
+      if (this.isFunction(obj)) return TYPES.FUNCTION;
+      if (this.isObject(obj)) return TYPES.OBJ;
+      if (this.isJSON(obj)) return TYPES.JSON;
+      return TYPES.UNKNOWN;
+   },
+   isString: function (obj: any) {
+      return OBJ_TYPE.STRING === Object.prototype.toString.call(obj);
+   },
+   isBoolean: function (obj: any) {
+      return OBJ_TYPE.BOOLEAN === Object.prototype.toString.call(obj);
+   },
+   isNumber: function (obj: any) {
+      return OBJ_TYPE.NUMBER === Object.prototype.toString.call(obj);
+   },
+   isDate: function (obj: any) {
+      return OBJ_TYPE.DATE === Object.prototype.toString.call(obj);
+   },
+   isRegExp: function (obj: any) {
+      return OBJ_TYPE.REGEXP === Object.prototype.toString.call(obj);
+   },
+   isNull: function (obj: any) {
+      const type = Object.prototype.toString.call(obj);
+      return OBJ_TYPE.NULL === type || OBJ_TYPE.UNDEFINED === type;
+   },
+   isJSON: function (obj: any) {
+      return OBJ_TYPE.JSON === Object.prototype.toString.call(obj);
+   },
+   isArray: function (obj: any) {
+      return OBJ_TYPE.ARRAY === Object.prototype.toString.call(obj);
+   },
+   isFunction: function (obj: any) {
+      return OBJ_TYPE.FUNCTION === Object.prototype.toString.call(obj);
+   },
+   isObject: function (obj: any) {
+      return OBJ_TYPE.OBJ === Object.prototype.toString.call(obj);
+   },
+   getNestedValue: function (obj: any, paths: string[]) {
+      let i = 0;
+      let o = obj;
+      do {
+         let key = paths[i];
+         if (o != undefined && Array.isArray(o)) {
+            o = this.getArrayValue(o, key);
+         } else {
+            o = o != undefined ? o[key] : undefined;
+         }
+         i++;
+         if (o == undefined) return undefined;
+      } while (i < paths.length);
+      return o;
+   },
+   getArrayValue: function (o: any[], key: string) {
+      if (o.length > 0) {
+         let next:any = [];
+         for (let i = 0; i < o.length; i++) {
+            const it = o[i];
+            if (it != undefined && Array.isArray(it)) {
+               let vals = this.getArrayValue(it, key);
+               if (vals != undefined && vals.length > 0) {
+                  for (let j = 0; j < vals.length; j++) {
+                     const val = vals[j];
+                     next.push(val);
+                  }
+               }
+            } else {
+               let val = it[key];
+               if (val != undefined && val != null) next.push(val);
+            }
+         }
+         return next;
       }
+   },
 };
 
 export default TypeTools;