diff --git a/dist/vue-validator.common.js b/dist/vue-validator.common.js
index 0f6cb50..49125a2 100644
--- a/dist/vue-validator.common.js
+++ b/dist/vue-validator.common.js
@@ -1,66 +1,10 @@
 /*!
  * vue-validator v2.1.7
- * (c) 2016 kazuya kawaguchi
+ * (c) 2017 kazuya kawaguchi
  * Released under the MIT License.
  */
 'use strict';
 
-var babelHelpers = {};
-babelHelpers.typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) {
-  return typeof obj;
-} : function (obj) {
-  return obj && typeof Symbol === "function" && obj.constructor === Symbol ? "symbol" : typeof obj;
-};
-
-babelHelpers.classCallCheck = function (instance, Constructor) {
-  if (!(instance instanceof Constructor)) {
-    throw new TypeError("Cannot call a class as a function");
-  }
-};
-
-babelHelpers.createClass = function () {
-  function defineProperties(target, props) {
-    for (var i = 0; i < props.length; i++) {
-      var descriptor = props[i];
-      descriptor.enumerable = descriptor.enumerable || false;
-      descriptor.configurable = true;
-      if ("value" in descriptor) descriptor.writable = true;
-      Object.defineProperty(target, descriptor.key, descriptor);
-    }
-  }
-
-  return function (Constructor, protoProps, staticProps) {
-    if (protoProps) defineProperties(Constructor.prototype, protoProps);
-    if (staticProps) defineProperties(Constructor, staticProps);
-    return Constructor;
-  };
-}();
-
-babelHelpers.inherits = function (subClass, superClass) {
-  if (typeof superClass !== "function" && superClass !== null) {
-    throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
-  }
-
-  subClass.prototype = Object.create(superClass && superClass.prototype, {
-    constructor: {
-      value: subClass,
-      enumerable: false,
-      writable: true,
-      configurable: true
-    }
-  });
-  if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
-};
-
-babelHelpers.possibleConstructorReturn = function (self, call) {
-  if (!self) {
-    throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
-  }
-
-  return call && (typeof call === "object" || typeof call === "function") ? call : self;
-};
-
-babelHelpers;
 /**
  * Utilties
  */
@@ -207,6 +151,173 @@ function toggleClasses(el, key, fn) {
   }
 }
 
+var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) {
+  return typeof obj;
+} : function (obj) {
+  return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
+};
+
+var asyncGenerator = function () {
+  function AwaitValue(value) {
+    this.value = value;
+  }
+
+  function AsyncGenerator(gen) {
+    var front, back;
+
+    function send(key, arg) {
+      return new Promise(function (resolve, reject) {
+        var request = {
+          key: key,
+          arg: arg,
+          resolve: resolve,
+          reject: reject,
+          next: null
+        };
+
+        if (back) {
+          back = back.next = request;
+        } else {
+          front = back = request;
+          resume(key, arg);
+        }
+      });
+    }
+
+    function resume(key, arg) {
+      try {
+        var result = gen[key](arg);
+        var value = result.value;
+
+        if (value instanceof AwaitValue) {
+          Promise.resolve(value.value).then(function (arg) {
+            resume("next", arg);
+          }, function (arg) {
+            resume("throw", arg);
+          });
+        } else {
+          settle(result.done ? "return" : "normal", result.value);
+        }
+      } catch (err) {
+        settle("throw", err);
+      }
+    }
+
+    function settle(type, value) {
+      switch (type) {
+        case "return":
+          front.resolve({
+            value: value,
+            done: true
+          });
+          break;
+
+        case "throw":
+          front.reject(value);
+          break;
+
+        default:
+          front.resolve({
+            value: value,
+            done: false
+          });
+          break;
+      }
+
+      front = front.next;
+
+      if (front) {
+        resume(front.key, front.arg);
+      } else {
+        back = null;
+      }
+    }
+
+    this._invoke = send;
+
+    if (typeof gen.return !== "function") {
+      this.return = undefined;
+    }
+  }
+
+  if (typeof Symbol === "function" && Symbol.asyncIterator) {
+    AsyncGenerator.prototype[Symbol.asyncIterator] = function () {
+      return this;
+    };
+  }
+
+  AsyncGenerator.prototype.next = function (arg) {
+    return this._invoke("next", arg);
+  };
+
+  AsyncGenerator.prototype.throw = function (arg) {
+    return this._invoke("throw", arg);
+  };
+
+  AsyncGenerator.prototype.return = function (arg) {
+    return this._invoke("return", arg);
+  };
+
+  return {
+    wrap: function (fn) {
+      return function () {
+        return new AsyncGenerator(fn.apply(this, arguments));
+      };
+    },
+    await: function (value) {
+      return new AwaitValue(value);
+    }
+  };
+}();
+
+var classCallCheck = function (instance, Constructor) {
+  if (!(instance instanceof Constructor)) {
+    throw new TypeError("Cannot call a class as a function");
+  }
+};
+
+var createClass = function () {
+  function defineProperties(target, props) {
+    for (var i = 0; i < props.length; i++) {
+      var descriptor = props[i];
+      descriptor.enumerable = descriptor.enumerable || false;
+      descriptor.configurable = true;
+      if ("value" in descriptor) descriptor.writable = true;
+      Object.defineProperty(target, descriptor.key, descriptor);
+    }
+  }
+
+  return function (Constructor, protoProps, staticProps) {
+    if (protoProps) defineProperties(Constructor.prototype, protoProps);
+    if (staticProps) defineProperties(Constructor, staticProps);
+    return Constructor;
+  };
+}();
+
+var inherits = function (subClass, superClass) {
+  if (typeof superClass !== "function" && superClass !== null) {
+    throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
+  }
+
+  subClass.prototype = Object.create(superClass && superClass.prototype, {
+    constructor: {
+      value: subClass,
+      enumerable: false,
+      writable: true,
+      configurable: true
+    }
+  });
+  if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
+};
+
+var possibleConstructorReturn = function (self, call) {
+  if (!self) {
+    throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
+  }
+
+  return call && (typeof call === "object" || typeof call === "function") ? call : self;
+};
+
 /**
  * Fundamental validate functions
  */
@@ -240,7 +351,7 @@ function required(val) {
     return val;
   } else if (typeof val === 'string') {
     return val.length > 0;
-  } else if (val !== null && (typeof val === 'undefined' ? 'undefined' : babelHelpers.typeof(val)) === 'object') {
+  } else if (val !== null && (typeof val === 'undefined' ? 'undefined' : _typeof(val)) === 'object') {
     return Object.keys(val).length > 0;
   } else if (val === null || val === undefined) {
     return false;
@@ -353,6 +464,8 @@ function isInteger(val) {
   );
 }
 
+
+
 var validators = Object.freeze({
   required: required,
   pattern: pattern,
@@ -436,10 +549,10 @@ var classId = 0; // ID for validation class
 function ValidateClass (Vue) {
   var vIf = Vue.directive('if');
   var FragmentFactory = Vue.FragmentFactory;
-  var _Vue$util = Vue.util;
-  var toArray = _Vue$util.toArray;
-  var replace = _Vue$util.replace;
-  var createAnchor = _Vue$util.createAnchor;
+  var _Vue$util = Vue.util,
+      toArray = _Vue$util.toArray,
+      replace = _Vue$util.replace,
+      createAnchor = _Vue$util.createAnchor;
 
   /**
    * `v-validate-class` directive
@@ -513,15 +626,15 @@ function ValidateClass (Vue) {
 function Validate (Vue) {
   var FragmentFactory = Vue.FragmentFactory;
   var parseDirective = Vue.parsers.directive.parseDirective;
-  var _Vue$util = Vue.util;
-  var inBrowser = _Vue$util.inBrowser;
-  var bind = _Vue$util.bind;
-  var on = _Vue$util.on;
-  var off = _Vue$util.off;
-  var createAnchor = _Vue$util.createAnchor;
-  var replace = _Vue$util.replace;
-  var camelize = _Vue$util.camelize;
-  var isPlainObject = _Vue$util.isPlainObject;
+  var _Vue$util = Vue.util,
+      inBrowser = _Vue$util.inBrowser,
+      bind = _Vue$util.bind,
+      on = _Vue$util.on,
+      off = _Vue$util.off,
+      createAnchor = _Vue$util.createAnchor,
+      replace = _Vue$util.replace,
+      camelize = _Vue$util.camelize,
+      isPlainObject = _Vue$util.isPlainObject;
 
   // Test for IE10/11 textarea placeholder clone bug
 
@@ -593,10 +706,9 @@ function Validate (Vue) {
 
       var raw = el.getAttribute('v-model');
 
-      var _parseModelRaw = this.parseModelRaw(raw);
-
-      var model = _parseModelRaw.model;
-      var filters = _parseModelRaw.filters;
+      var _parseModelRaw = this.parseModelRaw(raw),
+          model = _parseModelRaw.model,
+          filters = _parseModelRaw.filters;
 
       this.model = model;
 
@@ -792,7 +904,7 @@ function Validate (Vue) {
 
 var BaseValidation = function () {
   function BaseValidation(field, model, vm, el, scope, validator, filters, detectBlur, detectChange) {
-    babelHelpers.classCallCheck(this, BaseValidation);
+    classCallCheck(this, BaseValidation);
 
     this.field = field;
     this.touched = false;
@@ -893,7 +1005,7 @@ var BaseValidation = function () {
   };
 
   BaseValidation.prototype.willUpdateFlags = function willUpdateFlags() {
-    var touched = arguments.length <= 0 || arguments[0] === undefined ? false : arguments[0];
+    var touched = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
 
     touched && this.willUpdateTouched(this._el, 'blur');
     this.willUpdateDirty(this._el);
@@ -931,12 +1043,11 @@ var BaseValidation = function () {
   };
 
   BaseValidation.prototype.handleValidate = function handleValidate(el) {
-    var _ref = arguments.length <= 1 || arguments[1] === undefined ? {} : arguments[1];
-
-    var _ref$type = _ref.type;
-    var type = _ref$type === undefined ? null : _ref$type;
-    var _ref$noopable = _ref.noopable;
-    var noopable = _ref$noopable === undefined ? false : _ref$noopable;
+    var _ref = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
+        _ref$type = _ref.type,
+        type = _ref$type === undefined ? null : _ref$type,
+        _ref$noopable = _ref.noopable,
+        noopable = _ref$noopable === undefined ? false : _ref$noopable;
 
     this.willUpdateTouched(el, type);
     this.willUpdateDirty(el);
@@ -948,8 +1059,8 @@ var BaseValidation = function () {
   BaseValidation.prototype.validate = function validate(cb) {
     var _this4 = this;
 
-    var noopable = arguments.length <= 1 || arguments[1] === undefined ? false : arguments[1];
-    var el = arguments.length <= 2 || arguments[2] === undefined ? null : arguments[2];
+    var noopable = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
+    var el = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null;
 
     var _ = exports$1.Vue.util;
 
@@ -1054,22 +1165,20 @@ var BaseValidation = function () {
   BaseValidation.prototype.willUpdateClasses = function willUpdateClasses(results) {
     var _this5 = this;
 
-    var el = arguments.length <= 1 || arguments[1] === undefined ? null : arguments[1];
+    var el = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
 
     if (this._checkClassIds(el)) {
-      (function () {
-        var classIds = _this5._getClassIds(el);
-        _this5.vm.$nextTick(function () {
-          _this5.vm.$emit(VALIDATE_UPDATE, classIds, _this5, results);
-        });
-      })();
+      var classIds = this._getClassIds(el);
+      this.vm.$nextTick(function () {
+        _this5.vm.$emit(VALIDATE_UPDATE, classIds, _this5, results);
+      });
     } else {
       this.updateClasses(results);
     }
   };
 
   BaseValidation.prototype.updateClasses = function updateClasses(results) {
-    var el = arguments.length <= 1 || arguments[1] === undefined ? null : arguments[1];
+    var el = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
 
     this._updateClasses(el || this._el, results);
   };
@@ -1139,9 +1248,9 @@ var BaseValidation = function () {
   };
 
   BaseValidation.prototype._toggleValid = function _toggleValid(el, valid) {
-    var _util$Vue$util = exports$1.Vue.util;
-    var addClass = _util$Vue$util.addClass;
-    var removeClass = _util$Vue$util.removeClass;
+    var _util$Vue$util = exports$1.Vue.util,
+        addClass = _util$Vue$util.addClass,
+        removeClass = _util$Vue$util.removeClass;
 
     var validClass = this._classes.valid || 'valid';
     var invalidClass = this._classes.invalid || 'invalid';
@@ -1156,9 +1265,9 @@ var BaseValidation = function () {
   };
 
   BaseValidation.prototype._toggleTouched = function _toggleTouched(el, touched) {
-    var _util$Vue$util2 = exports$1.Vue.util;
-    var addClass = _util$Vue$util2.addClass;
-    var removeClass = _util$Vue$util2.removeClass;
+    var _util$Vue$util2 = exports$1.Vue.util,
+        addClass = _util$Vue$util2.addClass,
+        removeClass = _util$Vue$util2.removeClass;
 
     var touchedClass = this._classes.touched || 'touched';
     var untouchedClass = this._classes.untouched || 'untouched';
@@ -1173,9 +1282,9 @@ var BaseValidation = function () {
   };
 
   BaseValidation.prototype._togglePristine = function _togglePristine(el, pristine) {
-    var _util$Vue$util3 = exports$1.Vue.util;
-    var addClass = _util$Vue$util3.addClass;
-    var removeClass = _util$Vue$util3.removeClass;
+    var _util$Vue$util3 = exports$1.Vue.util,
+        addClass = _util$Vue$util3.addClass,
+        removeClass = _util$Vue$util3.removeClass;
 
     var pristineClass = this._classes.pristine || 'pristine';
     var dirtyClass = this._classes.dirty || 'dirty';
@@ -1190,9 +1299,9 @@ var BaseValidation = function () {
   };
 
   BaseValidation.prototype._toggleModfied = function _toggleModfied(el, modified) {
-    var _util$Vue$util4 = exports$1.Vue.util;
-    var addClass = _util$Vue$util4.addClass;
-    var removeClass = _util$Vue$util4.removeClass;
+    var _util$Vue$util4 = exports$1.Vue.util,
+        addClass = _util$Vue$util4.addClass,
+        removeClass = _util$Vue$util4.removeClass;
 
     var modifiedClass = this._classes.modified || 'modified';
 
@@ -1289,7 +1398,7 @@ var BaseValidation = function () {
     return resolveAsset(this._vm.$options, 'validators', name);
   };
 
-  babelHelpers.createClass(BaseValidation, [{
+  createClass(BaseValidation, [{
     key: 'vm',
     get: function get() {
       return this._vm;
@@ -1324,12 +1433,12 @@ var BaseValidation = function () {
  */
 
 var CheckboxValidation = function (_BaseValidation) {
-  babelHelpers.inherits(CheckboxValidation, _BaseValidation);
+  inherits(CheckboxValidation, _BaseValidation);
 
   function CheckboxValidation(field, model, vm, el, scope, validator, filters, detectBlur, detectChange) {
-    babelHelpers.classCallCheck(this, CheckboxValidation);
+    classCallCheck(this, CheckboxValidation);
 
-    var _this = babelHelpers.possibleConstructorReturn(this, _BaseValidation.call(this, field, model, vm, el, scope, validator, filters, detectBlur, detectChange));
+    var _this = possibleConstructorReturn(this, _BaseValidation.call(this, field, model, vm, el, scope, validator, filters, detectBlur, detectChange));
 
     _this._inits = [];
     return _this;
@@ -1408,7 +1517,7 @@ var CheckboxValidation = function (_BaseValidation) {
   CheckboxValidation.prototype.willUpdateFlags = function willUpdateFlags() {
     var _this3 = this;
 
-    var touched = arguments.length <= 0 || arguments[0] === undefined ? false : arguments[0];
+    var touched = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
 
     each(this._inits, function (item, index) {
       touched && _this3.willUpdateTouched(item.el, 'blur');
@@ -1429,7 +1538,7 @@ var CheckboxValidation = function (_BaseValidation) {
   CheckboxValidation.prototype.updateClasses = function updateClasses(results) {
     var _this4 = this;
 
-    var el = arguments.length <= 1 || arguments[1] === undefined ? null : arguments[1];
+    var el = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
 
     if (el) {
       // for another element
@@ -1469,22 +1578,14 @@ var CheckboxValidation = function (_BaseValidation) {
   };
 
   CheckboxValidation.prototype._getValue = function _getValue(el) {
-    var _this5 = this;
-
     if (!this._inits || this._inits.length === 0) {
       return el.checked;
     } else {
-      var _ret = function () {
-        var vals = [];
-        each(_this5._inits, function (item, index) {
-          item.el.checked && vals.push(item.el.value);
-        });
-        return {
-          v: vals
-        };
-      }();
-
-      if ((typeof _ret === 'undefined' ? 'undefined' : babelHelpers.typeof(_ret)) === "object") return _ret.v;
+      var vals = [];
+      each(this._inits, function (item, index) {
+        item.el.checked && vals.push(item.el.value);
+      });
+      return vals;
     }
   };
 
@@ -1499,24 +1600,16 @@ var CheckboxValidation = function (_BaseValidation) {
   };
 
   CheckboxValidation.prototype._checkModified = function _checkModified(target) {
-    var _this6 = this;
-
     if (this._inits.length === 0) {
       return this._init !== target.checked;
     } else {
-      var _ret2 = function () {
-        var modified = false;
-        each(_this6._inits, function (item, index) {
-          if (!modified) {
-            modified = item.init !== item.el.checked;
-          }
-        });
-        return {
-          v: modified
-        };
-      }();
-
-      if ((typeof _ret2 === 'undefined' ? 'undefined' : babelHelpers.typeof(_ret2)) === "object") return _ret2.v;
+      var modified = false;
+      each(this._inits, function (item, index) {
+        if (!modified) {
+          modified = item.init !== item.el.checked;
+        }
+      });
+      return modified;
     }
   };
 
@@ -1528,12 +1621,12 @@ var CheckboxValidation = function (_BaseValidation) {
  */
 
 var RadioValidation = function (_BaseValidation) {
-  babelHelpers.inherits(RadioValidation, _BaseValidation);
+  inherits(RadioValidation, _BaseValidation);
 
   function RadioValidation(field, model, vm, el, scope, validator, filters, detectBlur, detectChange) {
-    babelHelpers.classCallCheck(this, RadioValidation);
+    classCallCheck(this, RadioValidation);
 
-    var _this = babelHelpers.possibleConstructorReturn(this, _BaseValidation.call(this, field, model, vm, el, scope, validator, filters, detectBlur, detectChange));
+    var _this = possibleConstructorReturn(this, _BaseValidation.call(this, field, model, vm, el, scope, validator, filters, detectBlur, detectChange));
 
     _this._inits = [];
     return _this;
@@ -1588,7 +1681,7 @@ var RadioValidation = function (_BaseValidation) {
   RadioValidation.prototype.willUpdateFlags = function willUpdateFlags() {
     var _this3 = this;
 
-    var touched = arguments.length <= 0 || arguments[0] === undefined ? false : arguments[0];
+    var touched = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
 
     each(this._inits, function (item, index) {
       touched && _this3.willUpdateTouched(item.el, 'blur');
@@ -1609,7 +1702,7 @@ var RadioValidation = function (_BaseValidation) {
   RadioValidation.prototype.updateClasses = function updateClasses(results) {
     var _this4 = this;
 
-    var el = arguments.length <= 1 || arguments[1] === undefined ? null : arguments[1];
+    var el = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
 
     if (el) {
       // for another element
@@ -1649,22 +1742,14 @@ var RadioValidation = function (_BaseValidation) {
   };
 
   RadioValidation.prototype._getValue = function _getValue(el) {
-    var _this5 = this;
-
     if (!this._inits || this._inits.length === 0) {
       return el.checked;
     } else {
-      var _ret = function () {
-        var vals = [];
-        each(_this5._inits, function (item, index) {
-          item.el.checked && vals.push(item.el.value);
-        });
-        return {
-          v: vals
-        };
-      }();
-
-      if ((typeof _ret === 'undefined' ? 'undefined' : babelHelpers.typeof(_ret)) === "object") return _ret.v;
+      var vals = [];
+      each(this._inits, function (item, index) {
+        item.el.checked && vals.push(item.el.value);
+      });
+      return vals;
     }
   };
 
@@ -1679,24 +1764,16 @@ var RadioValidation = function (_BaseValidation) {
   };
 
   RadioValidation.prototype._checkModified = function _checkModified(target) {
-    var _this6 = this;
-
     if (this._inits.length === 0) {
       return this._init !== target.checked;
     } else {
-      var _ret2 = function () {
-        var modified = false;
-        each(_this6._inits, function (item, index) {
-          if (!modified) {
-            modified = item.init !== item.el.checked;
-          }
-        });
-        return {
-          v: modified
-        };
-      }();
-
-      if ((typeof _ret2 === 'undefined' ? 'undefined' : babelHelpers.typeof(_ret2)) === "object") return _ret2.v;
+      var modified = false;
+      each(this._inits, function (item, index) {
+        if (!modified) {
+          modified = item.init !== item.el.checked;
+        }
+      });
+      return modified;
     }
   };
 
@@ -1708,12 +1785,12 @@ var RadioValidation = function (_BaseValidation) {
  */
 
 var SelectValidation = function (_BaseValidation) {
-  babelHelpers.inherits(SelectValidation, _BaseValidation);
+  inherits(SelectValidation, _BaseValidation);
 
   function SelectValidation(field, model, vm, el, scope, validator, filters, detectBlur, detectChange) {
-    babelHelpers.classCallCheck(this, SelectValidation);
+    classCallCheck(this, SelectValidation);
 
-    var _this = babelHelpers.possibleConstructorReturn(this, _BaseValidation.call(this, field, model, vm, el, scope, validator, filters, detectBlur, detectChange));
+    var _this = possibleConstructorReturn(this, _BaseValidation.call(this, field, model, vm, el, scope, validator, filters, detectBlur, detectChange));
 
     _this._multiple = _this._el.hasAttribute('multiple');
     return _this;
@@ -1804,7 +1881,7 @@ var Validator$1 = function () {
   function Validator(name, dir, groups, classes) {
     var _this = this;
 
-    babelHelpers.classCallCheck(this, Validator);
+    classCallCheck(this, Validator);
 
     this.name = name;
 
@@ -1834,6 +1911,9 @@ var Validator$1 = function () {
     // define the validation resetting meta method to vue instance
     this._defineResetValidation();
 
+    // define the validation resetting for a single field
+    this._defineResetField();
+
     // define the validate manually meta method to vue instance
     this._defineValidate();
 
@@ -1849,6 +1929,8 @@ var Validator$1 = function () {
     delete vm['$validate'];
     vm.$resetValidation = null;
     delete vm['$resetValidation'];
+    vm.$resetField = null;
+    delete vm['$resetField'];
     vm._validatorMaps[this.name] = null;
     delete vm._validatorMaps[this.name];
     vm[this.name] = null;
@@ -1928,18 +2010,17 @@ var Validator$1 = function () {
   };
 
   Validator.prototype.validate = function validate() {
-    var _ref = arguments.length <= 0 || arguments[0] === undefined ? {} : arguments[0];
-
-    var _ref$el = _ref.el;
-    var el = _ref$el === undefined ? null : _ref$el;
-    var _ref$field = _ref.field;
-    var field = _ref$field === undefined ? null : _ref$field;
-    var _ref$touched = _ref.touched;
-    var touched = _ref$touched === undefined ? false : _ref$touched;
-    var _ref$noopable = _ref.noopable;
-    var noopable = _ref$noopable === undefined ? false : _ref$noopable;
-    var _ref$cb = _ref.cb;
-    var cb = _ref$cb === undefined ? null : _ref$cb;
+    var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
+        _ref$el = _ref.el,
+        el = _ref$el === undefined ? null : _ref$el,
+        _ref$field = _ref.field,
+        field = _ref$field === undefined ? null : _ref$field,
+        _ref$touched = _ref.touched,
+        touched = _ref$touched === undefined ? false : _ref$touched,
+        _ref$noopable = _ref.noopable,
+        noopable = _ref$noopable === undefined ? false : _ref$noopable,
+        _ref$cb = _ref.cb,
+        cb = _ref$cb === undefined ? null : _ref$cb;
 
     if (!field) {
       // all
@@ -1992,14 +2073,37 @@ var Validator$1 = function () {
     };
   };
 
-  Validator.prototype._defineValidate = function _defineValidate() {
+  Validator.prototype._defineResetField = function _defineResetField() {
     var _this5 = this;
 
-    this._dir.vm.$validate = function () {
+    this._dir.vm.$resetField = function () {
       for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
         args[_key] = arguments[_key];
       }
 
+      var field = null;
+      var cb = null;
+
+      each(args, function (arg, index) {
+        if (typeof arg === 'string') {
+          field = arg;
+        } else if (typeof arg === 'function') {
+          cb = arg;
+        }
+      });
+
+      _this5._resetField(field, cb);
+    };
+  };
+
+  Validator.prototype._defineValidate = function _defineValidate() {
+    var _this6 = this;
+
+    this._dir.vm.$validate = function () {
+      for (var _len2 = arguments.length, args = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
+        args[_key2] = arguments[_key2];
+      }
+
       var field = null;
       var touched = false;
       var cb = null;
@@ -2014,26 +2118,26 @@ var Validator$1 = function () {
         }
       });
 
-      _this5.validate({ field: field, touched: touched, cb: cb });
+      _this6.validate({ field: field, touched: touched, cb: cb });
     };
   };
 
   Validator.prototype._defineSetValidationErrors = function _defineSetValidationErrors() {
-    var _this6 = this;
+    var _this7 = this;
 
     this._dir.vm.$setValidationErrors = function (errors) {
-      _this6._setValidationErrors(errors);
+      _this7._setValidationErrors(errors);
     };
   };
 
   Validator.prototype._validate = function _validate(field) {
-    var touched = arguments.length <= 1 || arguments[1] === undefined ? false : arguments[1];
-    var noopable = arguments.length <= 2 || arguments[2] === undefined ? false : arguments[2];
+    var touched = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
+    var noopable = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
 
-    var _this7 = this;
+    var _this8 = this;
 
-    var el = arguments.length <= 3 || arguments[3] === undefined ? null : arguments[3];
-    var cb = arguments.length <= 4 || arguments[4] === undefined ? null : arguments[4];
+    var el = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : null;
+    var cb = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : null;
 
     var scope = this._scope;
 
@@ -2042,14 +2146,14 @@ var Validator$1 = function () {
       validation.willUpdateFlags(touched);
       validation.validate(function (results) {
         exports$1.Vue.set(scope, field, results);
-        _this7._fireEvents();
+        _this8._fireEvents();
         cb && cb();
       }, noopable, el);
     }
   };
 
   Validator.prototype._validates = function _validates(cb) {
-    var _this8 = this;
+    var _this9 = this;
 
     var scope = this._scope;
 
@@ -2060,7 +2164,7 @@ var Validator$1 = function () {
       });
     }, function () {
       // finished
-      _this8._fireEvents();
+      _this9._fireEvents();
       cb && cb();
     });
   };
@@ -2069,6 +2173,14 @@ var Validator$1 = function () {
     return this._validations[field] || this._checkboxValidations[field] && this._checkboxValidations[field].validation || this._radioValidations[field] && this._radioValidations[field].validation;
   };
 
+  Validator.prototype._resetField = function _resetField(field, cb) {
+    var validation = this._getValidationFrom(field);
+    if (validation) {
+      validation.reset();
+    }
+    this._validates(cb);
+  };
+
   Validator.prototype._resetValidation = function _resetValidation(cb) {
     each(this.validations, function (validation, key) {
       validation.reset();
@@ -2077,7 +2189,7 @@ var Validator$1 = function () {
   };
 
   Validator.prototype._setValidationErrors = function _setValidationErrors(errors) {
-    var _this9 = this;
+    var _this10 = this;
 
     var extend = exports$1.Vue.util.extend;
 
@@ -2093,7 +2205,7 @@ var Validator$1 = function () {
 
     // set errors
     each(temp, function (values, field) {
-      var results = _this9._scope[field];
+      var results = _this10._scope[field];
       var newResults = {};
 
       each(values, function (error) {
@@ -2107,10 +2219,10 @@ var Validator$1 = function () {
       results.errors = values;
       extend(newResults, results);
 
-      var validation = _this9._getValidationFrom(field);
+      var validation = _this10._getValidationFrom(field);
       validation.willUpdateClasses(newResults, validation.el);
 
-      exports$1.Vue.set(_this9._scope, field, newResults);
+      exports$1.Vue.set(_this10._scope, field, newResults);
     });
   };
 
@@ -2199,8 +2311,8 @@ var Validator$1 = function () {
   };
 
   Validator.prototype._fireEvent = function _fireEvent(type) {
-    for (var _len2 = arguments.length, args = Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) {
-      args[_key2 - 1] = arguments[_key2];
+    for (var _len3 = arguments.length, args = Array(_len3 > 1 ? _len3 - 1 : 0), _key3 = 1; _key3 < _len3; _key3++) {
+      args[_key3 - 1] = arguments[_key3];
     }
 
     var handler = this._events[this._getEventName(type)];
@@ -2229,7 +2341,7 @@ var Validator$1 = function () {
   };
 
   Validator.prototype._defineProperties = function _defineProperties(validationsGetter, targetGetter) {
-    var _this10 = this;
+    var _this11 = this;
 
     var bind = exports$1.Vue.util.bind;
 
@@ -2247,7 +2359,7 @@ var Validator$1 = function () {
         enumerable: true,
         configurable: true,
         get: function get() {
-          return bind(descriptor.fn, _this10)(descriptor.arg);
+          return bind(descriptor.fn, _this11)(descriptor.arg);
         }
       });
     });
@@ -2266,7 +2378,7 @@ var Validator$1 = function () {
   };
 
   Validator.prototype._walkValidations = function _walkValidations(validations, property, condition) {
-    var _this11 = this;
+    var _this12 = this;
 
     var hasOwn = exports$1.Vue.util.hasOwn;
     var ret = condition;
@@ -2275,8 +2387,8 @@ var Validator$1 = function () {
       if (ret === !condition) {
         return;
       }
-      if (hasOwn(_this11._scope, validation.field)) {
-        var target = _this11._scope[validation.field];
+      if (hasOwn(_this12._scope, validation.field)) {
+        var target = _this12._scope[validation.field];
         if (target && target[property] === !condition) {
           ret = !condition;
         }
@@ -2315,15 +2427,15 @@ var Validator$1 = function () {
   };
 
   Validator.prototype._defineErrors = function _defineErrors(validationsGetter) {
-    var _this12 = this;
+    var _this13 = this;
 
     var hasOwn = exports$1.Vue.util.hasOwn;
     var isPlainObject = exports$1.Vue.util.isPlainObject;
     var errors = [];
 
     each(validationsGetter(), function (validation, key) {
-      if (hasOwn(_this12._scope, validation.field)) {
-        var target = _this12._scope[validation.field];
+      if (hasOwn(_this13._scope, validation.field)) {
+        var target = _this13._scope[validation.field];
         if (target && !empty(target.errors)) {
           each(target.errors, function (err, index) {
             var error = { field: validation.field };
@@ -2346,7 +2458,7 @@ var Validator$1 = function () {
     });
   };
 
-  babelHelpers.createClass(Validator, [{
+  createClass(Validator, [{
     key: 'validations',
     get: function get() {
       var extend = exports$1.Vue.util.extend;
@@ -2371,13 +2483,13 @@ var Validator$1 = function () {
 function Validator (Vue) {
   var FragmentFactory = Vue.FragmentFactory;
   var vIf = Vue.directive('if');
-  var _Vue$util = Vue.util;
-  var isArray = _Vue$util.isArray;
-  var isPlainObject = _Vue$util.isPlainObject;
-  var createAnchor = _Vue$util.createAnchor;
-  var replace = _Vue$util.replace;
-  var extend = _Vue$util.extend;
-  var camelize = _Vue$util.camelize;
+  var _Vue$util = Vue.util,
+      isArray = _Vue$util.isArray,
+      isPlainObject = _Vue$util.isPlainObject,
+      createAnchor = _Vue$util.createAnchor,
+      replace = _Vue$util.replace,
+      extend = _Vue$util.extend,
+      camelize = _Vue$util.camelize;
 
   /**
    * `validator` element directive
@@ -2490,10 +2602,9 @@ function ValidatorError (Vue) {
     template: '<div><partial :name="partial"></partial></div>',
 
     partials: {}
-  };
 
-  // only use ValidatorError component
-  error.partials['validator-error-default'] = '<p>{{field}}: {{message}}</p>';
+    // only use ValidatorError component
+  };error.partials['validator-error-default'] = '<p>{{field}}: {{message}}</p>';
 
   return error;
 }
@@ -2561,10 +2672,9 @@ function Errors (Vue) {
     template: '<template v-for="error in errors">' + '<component :is="component" :partial="partial" :field="error.field" :validator="error.validator" :message="error.message">' + '</component>' + '</template>',
 
     components: {}
-  };
 
-  // define 'partial' prop
-  errors.props['partial'] = error.props['partial'];
+    // define 'partial' prop
+  };errors.props['partial'] = error.props['partial'];
 
   // only use ValidatorErrors component
   errors.components[error.name] = error;
@@ -2583,7 +2693,7 @@ function Errors (Vue) {
  */
 
 function plugin(Vue) {
-  var options = arguments.length <= 1 || arguments[1] === undefined ? {} : arguments[1];
+  var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
 
   if (plugin.installed) {
     warn('already installed.');
diff --git a/dist/vue-validator.js b/dist/vue-validator.js
index 3551df0..5dd6b9e 100644
--- a/dist/vue-validator.js
+++ b/dist/vue-validator.js
@@ -1,6 +1,6 @@
 /*!
  * vue-validator v2.1.7
- * (c) 2016 kazuya kawaguchi
+ * (c) 2017 kazuya kawaguchi
  * Released under the MIT License.
  */
 (function (global, factory) {
@@ -9,62 +9,6 @@
   (global.VueValidator = factory());
 }(this, function () { 'use strict';
 
-  var babelHelpers = {};
-  babelHelpers.typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) {
-    return typeof obj;
-  } : function (obj) {
-    return obj && typeof Symbol === "function" && obj.constructor === Symbol ? "symbol" : typeof obj;
-  };
-
-  babelHelpers.classCallCheck = function (instance, Constructor) {
-    if (!(instance instanceof Constructor)) {
-      throw new TypeError("Cannot call a class as a function");
-    }
-  };
-
-  babelHelpers.createClass = function () {
-    function defineProperties(target, props) {
-      for (var i = 0; i < props.length; i++) {
-        var descriptor = props[i];
-        descriptor.enumerable = descriptor.enumerable || false;
-        descriptor.configurable = true;
-        if ("value" in descriptor) descriptor.writable = true;
-        Object.defineProperty(target, descriptor.key, descriptor);
-      }
-    }
-
-    return function (Constructor, protoProps, staticProps) {
-      if (protoProps) defineProperties(Constructor.prototype, protoProps);
-      if (staticProps) defineProperties(Constructor, staticProps);
-      return Constructor;
-    };
-  }();
-
-  babelHelpers.inherits = function (subClass, superClass) {
-    if (typeof superClass !== "function" && superClass !== null) {
-      throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
-    }
-
-    subClass.prototype = Object.create(superClass && superClass.prototype, {
-      constructor: {
-        value: subClass,
-        enumerable: false,
-        writable: true,
-        configurable: true
-      }
-    });
-    if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
-  };
-
-  babelHelpers.possibleConstructorReturn = function (self, call) {
-    if (!self) {
-      throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
-    }
-
-    return call && (typeof call === "object" || typeof call === "function") ? call : self;
-  };
-
-  babelHelpers;
   /**
    * Utilties
    */
@@ -211,6 +155,173 @@
     }
   }
 
+  var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) {
+    return typeof obj;
+  } : function (obj) {
+    return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
+  };
+
+  var asyncGenerator = function () {
+    function AwaitValue(value) {
+      this.value = value;
+    }
+
+    function AsyncGenerator(gen) {
+      var front, back;
+
+      function send(key, arg) {
+        return new Promise(function (resolve, reject) {
+          var request = {
+            key: key,
+            arg: arg,
+            resolve: resolve,
+            reject: reject,
+            next: null
+          };
+
+          if (back) {
+            back = back.next = request;
+          } else {
+            front = back = request;
+            resume(key, arg);
+          }
+        });
+      }
+
+      function resume(key, arg) {
+        try {
+          var result = gen[key](arg);
+          var value = result.value;
+
+          if (value instanceof AwaitValue) {
+            Promise.resolve(value.value).then(function (arg) {
+              resume("next", arg);
+            }, function (arg) {
+              resume("throw", arg);
+            });
+          } else {
+            settle(result.done ? "return" : "normal", result.value);
+          }
+        } catch (err) {
+          settle("throw", err);
+        }
+      }
+
+      function settle(type, value) {
+        switch (type) {
+          case "return":
+            front.resolve({
+              value: value,
+              done: true
+            });
+            break;
+
+          case "throw":
+            front.reject(value);
+            break;
+
+          default:
+            front.resolve({
+              value: value,
+              done: false
+            });
+            break;
+        }
+
+        front = front.next;
+
+        if (front) {
+          resume(front.key, front.arg);
+        } else {
+          back = null;
+        }
+      }
+
+      this._invoke = send;
+
+      if (typeof gen.return !== "function") {
+        this.return = undefined;
+      }
+    }
+
+    if (typeof Symbol === "function" && Symbol.asyncIterator) {
+      AsyncGenerator.prototype[Symbol.asyncIterator] = function () {
+        return this;
+      };
+    }
+
+    AsyncGenerator.prototype.next = function (arg) {
+      return this._invoke("next", arg);
+    };
+
+    AsyncGenerator.prototype.throw = function (arg) {
+      return this._invoke("throw", arg);
+    };
+
+    AsyncGenerator.prototype.return = function (arg) {
+      return this._invoke("return", arg);
+    };
+
+    return {
+      wrap: function (fn) {
+        return function () {
+          return new AsyncGenerator(fn.apply(this, arguments));
+        };
+      },
+      await: function (value) {
+        return new AwaitValue(value);
+      }
+    };
+  }();
+
+  var classCallCheck = function (instance, Constructor) {
+    if (!(instance instanceof Constructor)) {
+      throw new TypeError("Cannot call a class as a function");
+    }
+  };
+
+  var createClass = function () {
+    function defineProperties(target, props) {
+      for (var i = 0; i < props.length; i++) {
+        var descriptor = props[i];
+        descriptor.enumerable = descriptor.enumerable || false;
+        descriptor.configurable = true;
+        if ("value" in descriptor) descriptor.writable = true;
+        Object.defineProperty(target, descriptor.key, descriptor);
+      }
+    }
+
+    return function (Constructor, protoProps, staticProps) {
+      if (protoProps) defineProperties(Constructor.prototype, protoProps);
+      if (staticProps) defineProperties(Constructor, staticProps);
+      return Constructor;
+    };
+  }();
+
+  var inherits = function (subClass, superClass) {
+    if (typeof superClass !== "function" && superClass !== null) {
+      throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
+    }
+
+    subClass.prototype = Object.create(superClass && superClass.prototype, {
+      constructor: {
+        value: subClass,
+        enumerable: false,
+        writable: true,
+        configurable: true
+      }
+    });
+    if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
+  };
+
+  var possibleConstructorReturn = function (self, call) {
+    if (!self) {
+      throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
+    }
+
+    return call && (typeof call === "object" || typeof call === "function") ? call : self;
+  };
+
   /**
    * Fundamental validate functions
    */
@@ -244,7 +355,7 @@
       return val;
     } else if (typeof val === 'string') {
       return val.length > 0;
-    } else if (val !== null && (typeof val === 'undefined' ? 'undefined' : babelHelpers.typeof(val)) === 'object') {
+    } else if (val !== null && (typeof val === 'undefined' ? 'undefined' : _typeof(val)) === 'object') {
       return Object.keys(val).length > 0;
     } else if (val === null || val === undefined) {
       return false;
@@ -357,7 +468,9 @@
     );
   }
 
-var validators = Object.freeze({
+
+
+  var validators = Object.freeze({
     required: required,
     pattern: pattern,
     minlength: minlength,
@@ -440,10 +553,10 @@ var validators = Object.freeze({
   function ValidateClass (Vue) {
     var vIf = Vue.directive('if');
     var FragmentFactory = Vue.FragmentFactory;
-    var _Vue$util = Vue.util;
-    var toArray = _Vue$util.toArray;
-    var replace = _Vue$util.replace;
-    var createAnchor = _Vue$util.createAnchor;
+    var _Vue$util = Vue.util,
+        toArray = _Vue$util.toArray,
+        replace = _Vue$util.replace,
+        createAnchor = _Vue$util.createAnchor;
 
     /**
      * `v-validate-class` directive
@@ -517,15 +630,15 @@ var validators = Object.freeze({
   function Validate (Vue) {
     var FragmentFactory = Vue.FragmentFactory;
     var parseDirective = Vue.parsers.directive.parseDirective;
-    var _Vue$util = Vue.util;
-    var inBrowser = _Vue$util.inBrowser;
-    var bind = _Vue$util.bind;
-    var on = _Vue$util.on;
-    var off = _Vue$util.off;
-    var createAnchor = _Vue$util.createAnchor;
-    var replace = _Vue$util.replace;
-    var camelize = _Vue$util.camelize;
-    var isPlainObject = _Vue$util.isPlainObject;
+    var _Vue$util = Vue.util,
+        inBrowser = _Vue$util.inBrowser,
+        bind = _Vue$util.bind,
+        on = _Vue$util.on,
+        off = _Vue$util.off,
+        createAnchor = _Vue$util.createAnchor,
+        replace = _Vue$util.replace,
+        camelize = _Vue$util.camelize,
+        isPlainObject = _Vue$util.isPlainObject;
 
     // Test for IE10/11 textarea placeholder clone bug
 
@@ -597,10 +710,9 @@ var validators = Object.freeze({
 
         var raw = el.getAttribute('v-model');
 
-        var _parseModelRaw = this.parseModelRaw(raw);
-
-        var model = _parseModelRaw.model;
-        var filters = _parseModelRaw.filters;
+        var _parseModelRaw = this.parseModelRaw(raw),
+            model = _parseModelRaw.model,
+            filters = _parseModelRaw.filters;
 
         this.model = model;
 
@@ -796,7 +908,7 @@ var validators = Object.freeze({
 
   var BaseValidation = function () {
     function BaseValidation(field, model, vm, el, scope, validator, filters, detectBlur, detectChange) {
-      babelHelpers.classCallCheck(this, BaseValidation);
+      classCallCheck(this, BaseValidation);
 
       this.field = field;
       this.touched = false;
@@ -897,7 +1009,7 @@ var validators = Object.freeze({
     };
 
     BaseValidation.prototype.willUpdateFlags = function willUpdateFlags() {
-      var touched = arguments.length <= 0 || arguments[0] === undefined ? false : arguments[0];
+      var touched = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
 
       touched && this.willUpdateTouched(this._el, 'blur');
       this.willUpdateDirty(this._el);
@@ -935,12 +1047,11 @@ var validators = Object.freeze({
     };
 
     BaseValidation.prototype.handleValidate = function handleValidate(el) {
-      var _ref = arguments.length <= 1 || arguments[1] === undefined ? {} : arguments[1];
-
-      var _ref$type = _ref.type;
-      var type = _ref$type === undefined ? null : _ref$type;
-      var _ref$noopable = _ref.noopable;
-      var noopable = _ref$noopable === undefined ? false : _ref$noopable;
+      var _ref = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
+          _ref$type = _ref.type,
+          type = _ref$type === undefined ? null : _ref$type,
+          _ref$noopable = _ref.noopable,
+          noopable = _ref$noopable === undefined ? false : _ref$noopable;
 
       this.willUpdateTouched(el, type);
       this.willUpdateDirty(el);
@@ -952,8 +1063,8 @@ var validators = Object.freeze({
     BaseValidation.prototype.validate = function validate(cb) {
       var _this4 = this;
 
-      var noopable = arguments.length <= 1 || arguments[1] === undefined ? false : arguments[1];
-      var el = arguments.length <= 2 || arguments[2] === undefined ? null : arguments[2];
+      var noopable = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
+      var el = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null;
 
       var _ = exports$1.Vue.util;
 
@@ -1058,22 +1169,20 @@ var validators = Object.freeze({
     BaseValidation.prototype.willUpdateClasses = function willUpdateClasses(results) {
       var _this5 = this;
 
-      var el = arguments.length <= 1 || arguments[1] === undefined ? null : arguments[1];
+      var el = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
 
       if (this._checkClassIds(el)) {
-        (function () {
-          var classIds = _this5._getClassIds(el);
-          _this5.vm.$nextTick(function () {
-            _this5.vm.$emit(VALIDATE_UPDATE, classIds, _this5, results);
-          });
-        })();
+        var classIds = this._getClassIds(el);
+        this.vm.$nextTick(function () {
+          _this5.vm.$emit(VALIDATE_UPDATE, classIds, _this5, results);
+        });
       } else {
         this.updateClasses(results);
       }
     };
 
     BaseValidation.prototype.updateClasses = function updateClasses(results) {
-      var el = arguments.length <= 1 || arguments[1] === undefined ? null : arguments[1];
+      var el = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
 
       this._updateClasses(el || this._el, results);
     };
@@ -1143,9 +1252,9 @@ var validators = Object.freeze({
     };
 
     BaseValidation.prototype._toggleValid = function _toggleValid(el, valid) {
-      var _util$Vue$util = exports$1.Vue.util;
-      var addClass = _util$Vue$util.addClass;
-      var removeClass = _util$Vue$util.removeClass;
+      var _util$Vue$util = exports$1.Vue.util,
+          addClass = _util$Vue$util.addClass,
+          removeClass = _util$Vue$util.removeClass;
 
       var validClass = this._classes.valid || 'valid';
       var invalidClass = this._classes.invalid || 'invalid';
@@ -1160,9 +1269,9 @@ var validators = Object.freeze({
     };
 
     BaseValidation.prototype._toggleTouched = function _toggleTouched(el, touched) {
-      var _util$Vue$util2 = exports$1.Vue.util;
-      var addClass = _util$Vue$util2.addClass;
-      var removeClass = _util$Vue$util2.removeClass;
+      var _util$Vue$util2 = exports$1.Vue.util,
+          addClass = _util$Vue$util2.addClass,
+          removeClass = _util$Vue$util2.removeClass;
 
       var touchedClass = this._classes.touched || 'touched';
       var untouchedClass = this._classes.untouched || 'untouched';
@@ -1177,9 +1286,9 @@ var validators = Object.freeze({
     };
 
     BaseValidation.prototype._togglePristine = function _togglePristine(el, pristine) {
-      var _util$Vue$util3 = exports$1.Vue.util;
-      var addClass = _util$Vue$util3.addClass;
-      var removeClass = _util$Vue$util3.removeClass;
+      var _util$Vue$util3 = exports$1.Vue.util,
+          addClass = _util$Vue$util3.addClass,
+          removeClass = _util$Vue$util3.removeClass;
 
       var pristineClass = this._classes.pristine || 'pristine';
       var dirtyClass = this._classes.dirty || 'dirty';
@@ -1194,9 +1303,9 @@ var validators = Object.freeze({
     };
 
     BaseValidation.prototype._toggleModfied = function _toggleModfied(el, modified) {
-      var _util$Vue$util4 = exports$1.Vue.util;
-      var addClass = _util$Vue$util4.addClass;
-      var removeClass = _util$Vue$util4.removeClass;
+      var _util$Vue$util4 = exports$1.Vue.util,
+          addClass = _util$Vue$util4.addClass,
+          removeClass = _util$Vue$util4.removeClass;
 
       var modifiedClass = this._classes.modified || 'modified';
 
@@ -1293,7 +1402,7 @@ var validators = Object.freeze({
       return resolveAsset(this._vm.$options, 'validators', name);
     };
 
-    babelHelpers.createClass(BaseValidation, [{
+    createClass(BaseValidation, [{
       key: 'vm',
       get: function get() {
         return this._vm;
@@ -1328,12 +1437,12 @@ var validators = Object.freeze({
    */
 
   var CheckboxValidation = function (_BaseValidation) {
-    babelHelpers.inherits(CheckboxValidation, _BaseValidation);
+    inherits(CheckboxValidation, _BaseValidation);
 
     function CheckboxValidation(field, model, vm, el, scope, validator, filters, detectBlur, detectChange) {
-      babelHelpers.classCallCheck(this, CheckboxValidation);
+      classCallCheck(this, CheckboxValidation);
 
-      var _this = babelHelpers.possibleConstructorReturn(this, _BaseValidation.call(this, field, model, vm, el, scope, validator, filters, detectBlur, detectChange));
+      var _this = possibleConstructorReturn(this, _BaseValidation.call(this, field, model, vm, el, scope, validator, filters, detectBlur, detectChange));
 
       _this._inits = [];
       return _this;
@@ -1412,7 +1521,7 @@ var validators = Object.freeze({
     CheckboxValidation.prototype.willUpdateFlags = function willUpdateFlags() {
       var _this3 = this;
 
-      var touched = arguments.length <= 0 || arguments[0] === undefined ? false : arguments[0];
+      var touched = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
 
       each(this._inits, function (item, index) {
         touched && _this3.willUpdateTouched(item.el, 'blur');
@@ -1433,7 +1542,7 @@ var validators = Object.freeze({
     CheckboxValidation.prototype.updateClasses = function updateClasses(results) {
       var _this4 = this;
 
-      var el = arguments.length <= 1 || arguments[1] === undefined ? null : arguments[1];
+      var el = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
 
       if (el) {
         // for another element
@@ -1473,22 +1582,14 @@ var validators = Object.freeze({
     };
 
     CheckboxValidation.prototype._getValue = function _getValue(el) {
-      var _this5 = this;
-
       if (!this._inits || this._inits.length === 0) {
         return el.checked;
       } else {
-        var _ret = function () {
-          var vals = [];
-          each(_this5._inits, function (item, index) {
-            item.el.checked && vals.push(item.el.value);
-          });
-          return {
-            v: vals
-          };
-        }();
-
-        if ((typeof _ret === 'undefined' ? 'undefined' : babelHelpers.typeof(_ret)) === "object") return _ret.v;
+        var vals = [];
+        each(this._inits, function (item, index) {
+          item.el.checked && vals.push(item.el.value);
+        });
+        return vals;
       }
     };
 
@@ -1503,24 +1604,16 @@ var validators = Object.freeze({
     };
 
     CheckboxValidation.prototype._checkModified = function _checkModified(target) {
-      var _this6 = this;
-
       if (this._inits.length === 0) {
         return this._init !== target.checked;
       } else {
-        var _ret2 = function () {
-          var modified = false;
-          each(_this6._inits, function (item, index) {
-            if (!modified) {
-              modified = item.init !== item.el.checked;
-            }
-          });
-          return {
-            v: modified
-          };
-        }();
-
-        if ((typeof _ret2 === 'undefined' ? 'undefined' : babelHelpers.typeof(_ret2)) === "object") return _ret2.v;
+        var modified = false;
+        each(this._inits, function (item, index) {
+          if (!modified) {
+            modified = item.init !== item.el.checked;
+          }
+        });
+        return modified;
       }
     };
 
@@ -1532,12 +1625,12 @@ var validators = Object.freeze({
    */
 
   var RadioValidation = function (_BaseValidation) {
-    babelHelpers.inherits(RadioValidation, _BaseValidation);
+    inherits(RadioValidation, _BaseValidation);
 
     function RadioValidation(field, model, vm, el, scope, validator, filters, detectBlur, detectChange) {
-      babelHelpers.classCallCheck(this, RadioValidation);
+      classCallCheck(this, RadioValidation);
 
-      var _this = babelHelpers.possibleConstructorReturn(this, _BaseValidation.call(this, field, model, vm, el, scope, validator, filters, detectBlur, detectChange));
+      var _this = possibleConstructorReturn(this, _BaseValidation.call(this, field, model, vm, el, scope, validator, filters, detectBlur, detectChange));
 
       _this._inits = [];
       return _this;
@@ -1592,7 +1685,7 @@ var validators = Object.freeze({
     RadioValidation.prototype.willUpdateFlags = function willUpdateFlags() {
       var _this3 = this;
 
-      var touched = arguments.length <= 0 || arguments[0] === undefined ? false : arguments[0];
+      var touched = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
 
       each(this._inits, function (item, index) {
         touched && _this3.willUpdateTouched(item.el, 'blur');
@@ -1613,7 +1706,7 @@ var validators = Object.freeze({
     RadioValidation.prototype.updateClasses = function updateClasses(results) {
       var _this4 = this;
 
-      var el = arguments.length <= 1 || arguments[1] === undefined ? null : arguments[1];
+      var el = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
 
       if (el) {
         // for another element
@@ -1653,22 +1746,14 @@ var validators = Object.freeze({
     };
 
     RadioValidation.prototype._getValue = function _getValue(el) {
-      var _this5 = this;
-
       if (!this._inits || this._inits.length === 0) {
         return el.checked;
       } else {
-        var _ret = function () {
-          var vals = [];
-          each(_this5._inits, function (item, index) {
-            item.el.checked && vals.push(item.el.value);
-          });
-          return {
-            v: vals
-          };
-        }();
-
-        if ((typeof _ret === 'undefined' ? 'undefined' : babelHelpers.typeof(_ret)) === "object") return _ret.v;
+        var vals = [];
+        each(this._inits, function (item, index) {
+          item.el.checked && vals.push(item.el.value);
+        });
+        return vals;
       }
     };
 
@@ -1683,24 +1768,16 @@ var validators = Object.freeze({
     };
 
     RadioValidation.prototype._checkModified = function _checkModified(target) {
-      var _this6 = this;
-
       if (this._inits.length === 0) {
         return this._init !== target.checked;
       } else {
-        var _ret2 = function () {
-          var modified = false;
-          each(_this6._inits, function (item, index) {
-            if (!modified) {
-              modified = item.init !== item.el.checked;
-            }
-          });
-          return {
-            v: modified
-          };
-        }();
-
-        if ((typeof _ret2 === 'undefined' ? 'undefined' : babelHelpers.typeof(_ret2)) === "object") return _ret2.v;
+        var modified = false;
+        each(this._inits, function (item, index) {
+          if (!modified) {
+            modified = item.init !== item.el.checked;
+          }
+        });
+        return modified;
       }
     };
 
@@ -1712,12 +1789,12 @@ var validators = Object.freeze({
    */
 
   var SelectValidation = function (_BaseValidation) {
-    babelHelpers.inherits(SelectValidation, _BaseValidation);
+    inherits(SelectValidation, _BaseValidation);
 
     function SelectValidation(field, model, vm, el, scope, validator, filters, detectBlur, detectChange) {
-      babelHelpers.classCallCheck(this, SelectValidation);
+      classCallCheck(this, SelectValidation);
 
-      var _this = babelHelpers.possibleConstructorReturn(this, _BaseValidation.call(this, field, model, vm, el, scope, validator, filters, detectBlur, detectChange));
+      var _this = possibleConstructorReturn(this, _BaseValidation.call(this, field, model, vm, el, scope, validator, filters, detectBlur, detectChange));
 
       _this._multiple = _this._el.hasAttribute('multiple');
       return _this;
@@ -1808,7 +1885,7 @@ var validators = Object.freeze({
     function Validator(name, dir, groups, classes) {
       var _this = this;
 
-      babelHelpers.classCallCheck(this, Validator);
+      classCallCheck(this, Validator);
 
       this.name = name;
 
@@ -1838,6 +1915,9 @@ var validators = Object.freeze({
       // define the validation resetting meta method to vue instance
       this._defineResetValidation();
 
+      // define the validation resetting for a single field
+      this._defineResetField();
+
       // define the validate manually meta method to vue instance
       this._defineValidate();
 
@@ -1853,6 +1933,8 @@ var validators = Object.freeze({
       delete vm['$validate'];
       vm.$resetValidation = null;
       delete vm['$resetValidation'];
+      vm.$resetField = null;
+      delete vm['$resetField'];
       vm._validatorMaps[this.name] = null;
       delete vm._validatorMaps[this.name];
       vm[this.name] = null;
@@ -1932,18 +2014,17 @@ var validators = Object.freeze({
     };
 
     Validator.prototype.validate = function validate() {
-      var _ref = arguments.length <= 0 || arguments[0] === undefined ? {} : arguments[0];
-
-      var _ref$el = _ref.el;
-      var el = _ref$el === undefined ? null : _ref$el;
-      var _ref$field = _ref.field;
-      var field = _ref$field === undefined ? null : _ref$field;
-      var _ref$touched = _ref.touched;
-      var touched = _ref$touched === undefined ? false : _ref$touched;
-      var _ref$noopable = _ref.noopable;
-      var noopable = _ref$noopable === undefined ? false : _ref$noopable;
-      var _ref$cb = _ref.cb;
-      var cb = _ref$cb === undefined ? null : _ref$cb;
+      var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
+          _ref$el = _ref.el,
+          el = _ref$el === undefined ? null : _ref$el,
+          _ref$field = _ref.field,
+          field = _ref$field === undefined ? null : _ref$field,
+          _ref$touched = _ref.touched,
+          touched = _ref$touched === undefined ? false : _ref$touched,
+          _ref$noopable = _ref.noopable,
+          noopable = _ref$noopable === undefined ? false : _ref$noopable,
+          _ref$cb = _ref.cb,
+          cb = _ref$cb === undefined ? null : _ref$cb;
 
       if (!field) {
         // all
@@ -1996,14 +2077,37 @@ var validators = Object.freeze({
       };
     };
 
-    Validator.prototype._defineValidate = function _defineValidate() {
+    Validator.prototype._defineResetField = function _defineResetField() {
       var _this5 = this;
 
-      this._dir.vm.$validate = function () {
+      this._dir.vm.$resetField = function () {
         for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
           args[_key] = arguments[_key];
         }
 
+        var field = null;
+        var cb = null;
+
+        each(args, function (arg, index) {
+          if (typeof arg === 'string') {
+            field = arg;
+          } else if (typeof arg === 'function') {
+            cb = arg;
+          }
+        });
+
+        _this5._resetField(field, cb);
+      };
+    };
+
+    Validator.prototype._defineValidate = function _defineValidate() {
+      var _this6 = this;
+
+      this._dir.vm.$validate = function () {
+        for (var _len2 = arguments.length, args = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
+          args[_key2] = arguments[_key2];
+        }
+
         var field = null;
         var touched = false;
         var cb = null;
@@ -2018,26 +2122,26 @@ var validators = Object.freeze({
           }
         });
 
-        _this5.validate({ field: field, touched: touched, cb: cb });
+        _this6.validate({ field: field, touched: touched, cb: cb });
       };
     };
 
     Validator.prototype._defineSetValidationErrors = function _defineSetValidationErrors() {
-      var _this6 = this;
+      var _this7 = this;
 
       this._dir.vm.$setValidationErrors = function (errors) {
-        _this6._setValidationErrors(errors);
+        _this7._setValidationErrors(errors);
       };
     };
 
     Validator.prototype._validate = function _validate(field) {
-      var touched = arguments.length <= 1 || arguments[1] === undefined ? false : arguments[1];
-      var noopable = arguments.length <= 2 || arguments[2] === undefined ? false : arguments[2];
+      var touched = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
+      var noopable = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
 
-      var _this7 = this;
+      var _this8 = this;
 
-      var el = arguments.length <= 3 || arguments[3] === undefined ? null : arguments[3];
-      var cb = arguments.length <= 4 || arguments[4] === undefined ? null : arguments[4];
+      var el = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : null;
+      var cb = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : null;
 
       var scope = this._scope;
 
@@ -2046,14 +2150,14 @@ var validators = Object.freeze({
         validation.willUpdateFlags(touched);
         validation.validate(function (results) {
           exports$1.Vue.set(scope, field, results);
-          _this7._fireEvents();
+          _this8._fireEvents();
           cb && cb();
         }, noopable, el);
       }
     };
 
     Validator.prototype._validates = function _validates(cb) {
-      var _this8 = this;
+      var _this9 = this;
 
       var scope = this._scope;
 
@@ -2064,7 +2168,7 @@ var validators = Object.freeze({
         });
       }, function () {
         // finished
-        _this8._fireEvents();
+        _this9._fireEvents();
         cb && cb();
       });
     };
@@ -2073,6 +2177,14 @@ var validators = Object.freeze({
       return this._validations[field] || this._checkboxValidations[field] && this._checkboxValidations[field].validation || this._radioValidations[field] && this._radioValidations[field].validation;
     };
 
+    Validator.prototype._resetField = function _resetField(field, cb) {
+      var validation = this._getValidationFrom(field);
+      if (validation) {
+        validation.reset();
+      }
+      this._validates(cb);
+    };
+
     Validator.prototype._resetValidation = function _resetValidation(cb) {
       each(this.validations, function (validation, key) {
         validation.reset();
@@ -2081,7 +2193,7 @@ var validators = Object.freeze({
     };
 
     Validator.prototype._setValidationErrors = function _setValidationErrors(errors) {
-      var _this9 = this;
+      var _this10 = this;
 
       var extend = exports$1.Vue.util.extend;
 
@@ -2097,7 +2209,7 @@ var validators = Object.freeze({
 
       // set errors
       each(temp, function (values, field) {
-        var results = _this9._scope[field];
+        var results = _this10._scope[field];
         var newResults = {};
 
         each(values, function (error) {
@@ -2111,10 +2223,10 @@ var validators = Object.freeze({
         results.errors = values;
         extend(newResults, results);
 
-        var validation = _this9._getValidationFrom(field);
+        var validation = _this10._getValidationFrom(field);
         validation.willUpdateClasses(newResults, validation.el);
 
-        exports$1.Vue.set(_this9._scope, field, newResults);
+        exports$1.Vue.set(_this10._scope, field, newResults);
       });
     };
 
@@ -2203,8 +2315,8 @@ var validators = Object.freeze({
     };
 
     Validator.prototype._fireEvent = function _fireEvent(type) {
-      for (var _len2 = arguments.length, args = Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) {
-        args[_key2 - 1] = arguments[_key2];
+      for (var _len3 = arguments.length, args = Array(_len3 > 1 ? _len3 - 1 : 0), _key3 = 1; _key3 < _len3; _key3++) {
+        args[_key3 - 1] = arguments[_key3];
       }
 
       var handler = this._events[this._getEventName(type)];
@@ -2233,7 +2345,7 @@ var validators = Object.freeze({
     };
 
     Validator.prototype._defineProperties = function _defineProperties(validationsGetter, targetGetter) {
-      var _this10 = this;
+      var _this11 = this;
 
       var bind = exports$1.Vue.util.bind;
 
@@ -2251,7 +2363,7 @@ var validators = Object.freeze({
           enumerable: true,
           configurable: true,
           get: function get() {
-            return bind(descriptor.fn, _this10)(descriptor.arg);
+            return bind(descriptor.fn, _this11)(descriptor.arg);
           }
         });
       });
@@ -2270,7 +2382,7 @@ var validators = Object.freeze({
     };
 
     Validator.prototype._walkValidations = function _walkValidations(validations, property, condition) {
-      var _this11 = this;
+      var _this12 = this;
 
       var hasOwn = exports$1.Vue.util.hasOwn;
       var ret = condition;
@@ -2279,8 +2391,8 @@ var validators = Object.freeze({
         if (ret === !condition) {
           return;
         }
-        if (hasOwn(_this11._scope, validation.field)) {
-          var target = _this11._scope[validation.field];
+        if (hasOwn(_this12._scope, validation.field)) {
+          var target = _this12._scope[validation.field];
           if (target && target[property] === !condition) {
             ret = !condition;
           }
@@ -2319,15 +2431,15 @@ var validators = Object.freeze({
     };
 
     Validator.prototype._defineErrors = function _defineErrors(validationsGetter) {
-      var _this12 = this;
+      var _this13 = this;
 
       var hasOwn = exports$1.Vue.util.hasOwn;
       var isPlainObject = exports$1.Vue.util.isPlainObject;
       var errors = [];
 
       each(validationsGetter(), function (validation, key) {
-        if (hasOwn(_this12._scope, validation.field)) {
-          var target = _this12._scope[validation.field];
+        if (hasOwn(_this13._scope, validation.field)) {
+          var target = _this13._scope[validation.field];
           if (target && !empty(target.errors)) {
             each(target.errors, function (err, index) {
               var error = { field: validation.field };
@@ -2350,7 +2462,7 @@ var validators = Object.freeze({
       });
     };
 
-    babelHelpers.createClass(Validator, [{
+    createClass(Validator, [{
       key: 'validations',
       get: function get() {
         var extend = exports$1.Vue.util.extend;
@@ -2375,13 +2487,13 @@ var validators = Object.freeze({
   function Validator (Vue) {
     var FragmentFactory = Vue.FragmentFactory;
     var vIf = Vue.directive('if');
-    var _Vue$util = Vue.util;
-    var isArray = _Vue$util.isArray;
-    var isPlainObject = _Vue$util.isPlainObject;
-    var createAnchor = _Vue$util.createAnchor;
-    var replace = _Vue$util.replace;
-    var extend = _Vue$util.extend;
-    var camelize = _Vue$util.camelize;
+    var _Vue$util = Vue.util,
+        isArray = _Vue$util.isArray,
+        isPlainObject = _Vue$util.isPlainObject,
+        createAnchor = _Vue$util.createAnchor,
+        replace = _Vue$util.replace,
+        extend = _Vue$util.extend,
+        camelize = _Vue$util.camelize;
 
     /**
      * `validator` element directive
@@ -2494,10 +2606,9 @@ var validators = Object.freeze({
       template: '<div><partial :name="partial"></partial></div>',
 
       partials: {}
-    };
 
-    // only use ValidatorError component
-    error.partials['validator-error-default'] = '<p>{{field}}: {{message}}</p>';
+      // only use ValidatorError component
+    };error.partials['validator-error-default'] = '<p>{{field}}: {{message}}</p>';
 
     return error;
   }
@@ -2565,10 +2676,9 @@ var validators = Object.freeze({
       template: '<template v-for="error in errors">' + '<component :is="component" :partial="partial" :field="error.field" :validator="error.validator" :message="error.message">' + '</component>' + '</template>',
 
       components: {}
-    };
 
-    // define 'partial' prop
-    errors.props['partial'] = error.props['partial'];
+      // define 'partial' prop
+    };errors.props['partial'] = error.props['partial'];
 
     // only use ValidatorErrors component
     errors.components[error.name] = error;
@@ -2587,7 +2697,7 @@ var validators = Object.freeze({
    */
 
   function plugin(Vue) {
-    var options = arguments.length <= 1 || arguments[1] === undefined ? {} : arguments[1];
+    var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
 
     if (plugin.installed) {
       warn('already installed.');
diff --git a/dist/vue-validator.min.js b/dist/vue-validator.min.js
index 6c2a2b9..db0b484 100644
--- a/dist/vue-validator.min.js
+++ b/dist/vue-validator.min.js
@@ -1,7 +1,7 @@
 /*!
  * vue-validator v2.1.7
- * (c) 2016 kazuya kawaguchi
+ * (c) 2017 kazuya kawaguchi
  * Released under the MIT License.
  */
-!function(t,i){"object"==typeof exports&&"undefined"!=typeof module?module.exports=i():"function"==typeof define&&define.amd?define(i):t.VueValidator=i()}(this,function(){"use strict";function t(t,i){window.console&&(console.warn("[vue-validator] "+t),i&&console.warn(i.stack))}function i(t){if(null===t||void 0===t)return!0;if(Array.isArray(t)){if(t.length>0)return!1;if(0===t.length)return!0}else if(C.Vue.util.isPlainObject(t))for(var i in t)if(C.Vue.util.hasOwn(t,i))return!1;return!0}function e(t,i,e){if(Array.isArray(t))for(var n=0;n<t.length;n++)i.call(e||t[n],t[n],n);else if(C.Vue.util.isPlainObject(t)){var a=C.Vue.util.hasOwn;for(var o in t)a(t,o)&&i.call(e||t[o],t[o],o)}}function n(t,i){var e=C.Vue.util.indexOf(t,i);return~e?t.splice(e,1):null}function a(t,i,e){var n=document.createEvent("HTMLEvents");if(n.initEvent(i,!0,!1),e)for(var a in e)n[a]=e[a];try{t.dispatchEvent(n)}catch(n){}}function o(t){return t&&"function"==typeof t.then}function r(t,i,e){if(i=i.trim(),-1===i.indexOf(" "))return void e(t,i);for(var n=i.split(/\s+/),a=0,o=n.length;o>a;a++)e(t,n[a])}function s(t){if(Array.isArray(t)){if(0!==t.length){for(var i=!0,e=0,n=t.length;n>e&&(i=s(t[e]),i);e++);return i}return!1}return"number"==typeof t||"function"==typeof t?!0:"boolean"==typeof t?t:"string"==typeof t?t.length>0:null!==t&&"object"===("undefined"==typeof t?"undefined":w["typeof"](t))?Object.keys(t).length>0:null===t||void 0===t?!1:void 0}function l(t,i){if("string"!=typeof i)return!1;var e=i.match(new RegExp("^/(.*?)/([gimy]*)$"));return e?new RegExp(e[1],e[2]).test(t):!1}function d(t,i){return"string"==typeof t?f(i,10)&&t.length>=parseInt(i,10):Array.isArray(t)?t.length>=parseInt(i,10):!1}function u(t,i){return"string"==typeof t?f(i,10)&&t.length<=parseInt(i,10):Array.isArray(t)?t.length<=parseInt(i,10):!1}function h(t,i){return!isNaN(+t)&&!isNaN(+i)&&+t>=+i}function c(t,i){return!isNaN(+t)&&!isNaN(+i)&&+i>=+t}function f(t){return/^(-?[1-9]\d*|0)$/.test(t)}function p(t){var i=t.util.extend,e=Object.create(null);i(e,k),t.options.validators=e;var n=t.config.optionMergeStrategies;n&&(n.validators=function(t,e){if(!e)return t;if(!t)return e;var n=Object.create(null);i(n,t);for(var a in e)n[a]=e[a];return n}),t.validator=function(i,e){return e?void(t.options.validators[i]=e):t.options.validators[i]}}function v(t){var i=t.prototype._init;t.prototype._init=function(t){this._validatorMaps||(this._validatorMaps=Object.create(null)),i.call(this,t)};var e=t.prototype._destroy;t.prototype._destroy=function(){e.apply(this,arguments),this._validatorMaps=null}}function g(t){var i=t.directive("if"),e=t.FragmentFactory,n=t.util,a=n.toArray,o=n.replace,r=n.createAnchor;t.directive("validate-class",{terminal:!0,priority:i.priority+F,bind:function(){var t=this,i=String(I++);this.setClassIds(this.el,i),this.vm.$on(E,this.cb=function(e,n,a){e.indexOf(i)>-1&&n.updateClasses(a,t.frag.node)}),this.setupFragment()},unbind:function(){this.vm.$off(E,this.cb),this.teardownFragment()},setClassIds:function(t,i){for(var e=a(t.childNodes),n=0,o=e.length;o>n;n++){var r=e[n];if(1===r.nodeType)for(var s=r.hasAttributes(),l=s&&a(r.attributes),d=0,u=l.length;u>d;d++){var h=l[d];if(h.name.match(x)){var c=r.getAttribute(E),f=c?c+","+i:i;r.setAttribute(E,f)}}r.hasChildNodes()&&this.setClassIds(r,i)}},setupFragment:function(){this.anchor=r("v-validate-class"),o(this.el,this.anchor),this.factory=new e(this.vm,this.el),this.frag=this.factory.create(this._host,this._scope,this._frag),this.frag.before(this.anchor)},teardownFragment:function(){this.frag&&(this.frag.remove(),this.frag=null,this.factory=null),o(this.anchor,this.el),this.anchor=null}})}function _(t){function i(){if(r){var t=document.createElement("textarea");return t.placeholder="t","t"===t.cloneNode(!0).value}return!1}var n=t.FragmentFactory,a=t.parsers.directive.parseDirective,o=t.util,r=o.inBrowser,s=o.bind,l=o.on,d=o.off,u=o.createAnchor,h=o.replace,c=o.camelize,f=o.isPlainObject,p=i();t.directive("validate",{deep:!0,terminal:!0,priority:A,params:["group","field","detect-blur","detect-change","initial","classes"],paramWatchers:{detectBlur:function(t,i){this._invalid||(this.validation.detectBlur=this.isDetectBlur(t),this.validator.validate(this.field))},detectChange:function(t,i){this._invalid||(this.validation.detectChange=this.isDetectChange(t),this.validator.validate(this.field))}},bind:function(){var t=this.el,i=this.vm.$options._validator,e=t.getAttribute("v-model"),n=this.parseModelRaw(e),a=n.model,o=n.filters;this.model=a,this.setupFragment(),this.setupValidate(i,a,o),this.listen()},update:function(t,i){if(t&&!this._invalid){f(t)||i&&f(i)?this.handleObject(t,i,this.params.initial):(Array.isArray(t)||i&&Array.isArray(i))&&this.handleArray(t,i,this.params.initial);var e={field:this.field};this.frag&&(e.el=this.frag.node),this.validator.validate(e)}},unbind:function(){this._invalid||(this.unlisten(),this.teardownValidate(),this.teardownFragment(),this.model=null)},parseModelRaw:function(t){if(S.test(t)){var i=a(t);return{model:i.expression,filters:i.filters}}return{model:t}},setupValidate:function(t,i,e){var n=this.params,a=this.validator=this.vm._validatorMaps[t];this.field=c(this.arg?this.arg:n.field),this.validation=a.manageValidation(this.field,i,this.vm,this.getElementFrom(this.frag),this._scope,e,n.initial,this.isDetectBlur(n.detectBlur),this.isDetectChange(n.detectChange)),f(n.classes)&&this.validation.setValidationClasses(n.classes),n.group&&a.addGroupValidation(n.group,this.field)},listen:function(){var t=this.model,i=this.validation,e=this.getElementFrom(this.frag);this.onBlur=s(i.listener,i),l(e,"blur",this.onBlur),"radio"!==e.type&&"SELECT"!==e.tagName||t?"checkbox"===e.type?t?(this.onClick=s(i.listener,i),l(e,"click",this.onClick)):(this.onChange=s(i.listener,i),l(e,"change",this.onChange)):t||(this.onInput=s(i.listener,i),l(e,"input",this.onInput)):(this.onChange=s(i.listener,i),l(e,"change",this.onChange))},unlisten:function(){var t=this.getElementFrom(this.frag);this.onInput&&(d(t,"input",this.onInput),this.onInput=null),this.onClick&&(d(t,"click",this.onClick),this.onClick=null),this.onChange&&(d(t,"change",this.onChange),this.onChange=null),this.onBlur&&(d(t,"blur",this.onBlur),this.onBlur=null)},teardownValidate:function(){if(this.validator&&this.validation){var t=this.getElementFrom(this.frag);this.params.group&&this.validator.removeGroupValidation(this.params.group,this.field),this.validator.unmanageValidation(this.field,t),this.validator=null,this.validation=null,this.field=null}},setupFragment:function(){this.anchor=u("v-validate"),h(this.el,this.anchor),this.factory=new n(this.vm,this.shimNode(this.el)),this.frag=this.factory.create(this._host,this._scope,this._frag),this.frag.before(this.anchor)},teardownFragment:function(){this.frag&&(this.frag.remove(),this.frag=null,this.factory=null),h(this.anchor,this.el),this.anchor=null},handleArray:function(t,i,n){var a=this;i&&this.validation.resetValidation(),e(t,function(t){a.validation.setValidation(t,void 0,void 0,n)})},handleObject:function(t,i,n){var a=this;i&&this.validation.resetValidation(),e(t,function(t,i){if(f(t)){if("rule"in t){var e="message"in t?t.message:null,o="initial"in t?t.initial:null;a.validation.setValidation(i,t.rule,e,o||n)}}else a.validation.setValidation(i,t,void 0,n)})},isDetectBlur:function(t){return void 0===t||"on"===t||t===!0},isDetectChange:function(t){return void 0===t||"on"===t||t===!0},isInitialNoopValidation:function(t){return"off"===t||t===!1},shimNode:function(t){var i=t;if(p&&"TEXTAREA"===t.tagName){i=t.cloneNode(!0),i.value=t.value;for(var e=i.childNodes.length;e--;)i.removeChild(i.childNodes[e])}return i},getElementFrom:function(t){return t.single?t.node:t.node.nextSibling}})}function m(t){var i=t.FragmentFactory,e=t.directive("if"),n=t.util,a=n.isArray,o=n.isPlainObject,r=n.createAnchor,s=n.replace,l=n.extend,d=n.camelize;t.elementDirective("validator",{params:["name","groups","lazy","classes"],bind:function(){var t=this.params;if(this.validatorName="$"+d(t.name),!this.vm._validatorMaps)throw new Error("Invalid validator management error");var i={};o(this.params.classes)&&(i=this.params.classes),this.setupValidator(i),this.setupFragment(t.lazy)},unbind:function(){this.teardownFragment(),this.teardownValidator()},getGroups:function(){var t=this.params,i=[];return t.groups&&(a(t.groups)?i=t.groups:o(t.groups)||"string"!=typeof t.groups||i.push(t.groups)),i},setupValidator:function(t){var i=this.validator=new U(this.validatorName,this,this.getGroups(),t);i.enableReactive(),i.setupScope(),i.registerEvents()},teardownValidator:function(){this.validator.unregisterEvents(),this.validator.disableReactive(),this.validatorName&&(this.validatorName=null,this.validator=null)},setupFragment:function(t){var n=this,a=this.vm;this.validator.waitFor(function(){n.anchor=r("vue-validator"),s(n.el,n.anchor),l(a.$options,{_validator:n.validatorName}),n.factory=new i(a,n.el.innerHTML),e.insert.call(n)}),!t&&a.$activateValidator()},teardownFragment:function(){e.unbind.call(this)}})}function y(t){var i={name:"validator-error",props:{field:{type:String,required:!0},validator:{type:String},message:{type:String,required:!0},partial:{type:String,"default":"validator-error-default"}},template:'<div><partial :name="partial"></partial></div>',partials:{}};return i.partials["validator-error-default"]="<p>{{field}}: {{message}}</p>",i}function V(t){var i=t.util,e=y(t),n={name:"validator-errors",props:{validation:{type:Object,required:!0},group:{type:String,"default":null},field:{type:String,"default":null},component:{type:String,"default":"validator-error"}},computed:{errors:function(){var t=this;if(null!==this.group)return this.validation[this.group].errors;if(null!==this.field){var e=this.validation[this.field];if(!e.errors)return;return e.errors.map(function(e){var n={field:t.field};return i.isPlainObject(e)?(e.validator&&(n.validator=e.validator),n.message=e.message):"string"==typeof e&&(n.message=e),n})}return this.validation.errors}},template:'<template v-for="error in errors"><component :is="component" :partial="partial" :field="error.field" :validator="error.validator" :message="error.message"></component></template>',components:{}};return n.props.partial=e.props.partial,n.components[e.name]=e,t.component(n.name,n),n}function b(i){arguments.length<=1||void 0===arguments[1]?{}:arguments[1];return b.installed?void t("already installed."):(C.Vue=i,p(i),V(i),v(i),m(i),g(i),void _(i))}var w={};w["typeof"]="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol?"symbol":typeof t},w.classCallCheck=function(t,i){if(!(t instanceof i))throw new TypeError("Cannot call a class as a function")},w.createClass=function(){function t(t,i){for(var e=0;e<i.length;e++){var n=i[e];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(t,n.key,n)}}return function(i,e,n){return e&&t(i.prototype,e),n&&t(i,n),i}}(),w.inherits=function(t,i){if("function"!=typeof i&&null!==i)throw new TypeError("Super expression must either be null or a function, not "+typeof i);t.prototype=Object.create(i&&i.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),i&&(Object.setPrototypeOf?Object.setPrototypeOf(t,i):t.__proto__=i)},w.possibleConstructorReturn=function(t,i){if(!t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!i||"object"!=typeof i&&"function"!=typeof i?t:i};var C={},k=Object.freeze({required:s,pattern:l,minlength:d,maxlength:u,min:h,max:c}),E="__vue-validator-validate-update__",A=4096,F=32,S=/[^|]\|[^|]/,x=/^v-validate(?:$|:(.*)$)/,N=/^v-on:|^@/,I=0,O=function(){function t(i,e,n,a,o,r,s,l,d){w.classCallCheck(this,t),this.field=i,this.touched=!1,this.dirty=!1,this.modified=!1,this._modified=!1,this._model=e,this._filters=s,this._validator=r,this._vm=n,this._el=a,this._forScope=o,this._init=this._getValue(a),this._validators={},this._detectBlur=l,this._detectChange=d,this._classes={}}return t.prototype.manageElement=function(t,i){var e=this,n=this._getScope(),a=this._model;this._initial=i;var o=t.getAttribute(E);o&&(t.removeAttribute(E),this._classIds=o.split(",")),a&&(t.value=this._evalModel(a,this._filters),this._unwatch=n.$watch(a,function(i,n){if(i!==n){if(e.guardValidate(t,"input"))return;e.handleValidate(t,{noopable:e._initial}),e._initial&&(e._initial=null)}},{deep:!0}))},t.prototype.unmanageElement=function(t){this._unwatch&&this._unwatch()},t.prototype.resetValidation=function(){var t=this,i=Object.keys(this._validators);e(i,function(i,e){t._validators[i]=null,delete t._validators[i]})},t.prototype.resetValidationNoopable=function(){e(this._validators,function(t,i){t.initial&&!t._isNoopable&&(t._isNoopable=!0)})},t.prototype.setValidation=function(t,i,e,n){var a=this._validators[t];a||(a=this._validators[t]={},a.name=t),a.arg=i,e&&(a.msg=e),n&&(a.initial=n,a._isNoopable=!0)},t.prototype.setValidationClasses=function(t){var i=this;e(t,function(t,e){i._classes[e]=t})},t.prototype.willUpdateFlags=function(){var t=arguments.length<=0||void 0===arguments[0]?!1:arguments[0];t&&this.willUpdateTouched(this._el,"blur"),this.willUpdateDirty(this._el),this.willUpdateModified(this._el)},t.prototype.willUpdateTouched=function(t,i){i&&"blur"===i&&(this.touched=!0,this._fireEvent(t,"touched"))},t.prototype.willUpdateDirty=function(t){!this.dirty&&this._checkModified(t)&&(this.dirty=!0,this._fireEvent(t,"dirty"))},t.prototype.willUpdateModified=function(t){this.modified=this._checkModified(t),this._modified!==this.modified&&(this._fireEvent(t,"modified",{modified:this.modified}),this._modified=this.modified)},t.prototype.listener=function(t){this.guardValidate(t.target,t.type)||this.handleValidate(t.target,{type:t.type})},t.prototype.handleValidate=function(t){var i=arguments.length<=1||void 0===arguments[1]?{}:arguments[1],e=i.type,n=void 0===e?null:e,a=i.noopable,o=void 0===a?!1:a;this.willUpdateTouched(t,n),this.willUpdateDirty(t),this.willUpdateModified(t),this._validator.validate({field:this.field,el:t,noopable:o})},t.prototype.validate=function(t){var e=this,n=arguments.length<=1||void 0===arguments[1]?!1:arguments[1],a=arguments.length<=2||void 0===arguments[2]?null:arguments[2],o=C.Vue.util,r={},s=[],l=!0;this._runValidators(function(t,i,a){var d=e._resolveValidator(i),u=null,h=null;if(o.isPlainObject(d)?(d.check&&"function"==typeof d.check&&(u=d.check),d.message&&(h=d.message)):"function"==typeof d&&(u=d),t.msg&&(h=t.msg),n)return r[i]=!1,a();if(t._isNoopable)return r[i]=!1,t._isNoopable=null,a();if(u){var c=e._getValue(e._el);e._invokeValidator(e._vm,u,c,t.arg,function(n,o){if(n)r[i]=!n;else if(l=!1,o)s.push({validator:i,message:o}),r[i]=o;else if(h){var d={validator:i};d.message="function"==typeof h?h.call(e._vm,e.field,t.arg):h,s.push(d),r[i]=d.message}else r[i]=!n;a()})}else a()},function(){e._fireEvent(e._el,l?"valid":"invalid");var n={valid:l,invalid:!l,touched:e.touched,untouched:!e.touched,dirty:e.dirty,pristine:!e.dirty,modified:e.modified};i(s)||(n.errors=s),o.extend(r,n),e.willUpdateClasses(r,a),t(r)})},t.prototype.resetFlags=function(){this.touched=!1,this.dirty=!1,this.modified=!1,this._modified=!1},t.prototype.reset=function(){this.resetValidationNoopable(),this.resetFlags(),this._init=this._getValue(this._el)},t.prototype.willUpdateClasses=function(t){var i=this,e=arguments.length<=1||void 0===arguments[1]?null:arguments[1];this._checkClassIds(e)?!function(){var n=i._getClassIds(e);i.vm.$nextTick(function(){i.vm.$emit(E,n,i,t)})}():this.updateClasses(t)},t.prototype.updateClasses=function(t){var i=arguments.length<=1||void 0===arguments[1]?null:arguments[1];this._updateClasses(i||this._el,t)},t.prototype.guardValidate=function(t,i){return i&&"blur"===i&&!this.detectBlur?!0:i&&"input"===i&&!this.detectChange?!0:i&&"change"===i&&!this.detectChange?!0:i&&"click"===i&&!this.detectChange?!0:!1},t.prototype._getValue=function(t){return t.value},t.prototype._getScope=function(){return this._forScope||this._vm},t.prototype._getClassIds=function(t){return this._classIds},t.prototype._checkModified=function(t){return this._init!==this._getValue(t)},t.prototype._checkClassIds=function(t){return this._getClassIds(t)},t.prototype._fireEvent=function(t,i,e){a(t,i,e)},t.prototype._evalModel=function(t,i){var e=this._getScope(),n=null;return i?(n=e.$get(t),i?this._applyFilters(n,null,i):n):(n=e.$get(t),void 0===n||null===n?"":n)},t.prototype._updateClasses=function(t,i){this._toggleValid(t,i.valid),this._toggleTouched(t,i.touched),this._togglePristine(t,i.pristine),this._toggleModfied(t,i.modified)},t.prototype._toggleValid=function(t,i){var e=C.Vue.util,n=e.addClass,a=e.removeClass,o=this._classes.valid||"valid",s=this._classes.invalid||"invalid";i?(r(t,o,n),r(t,s,a)):(r(t,o,a),r(t,s,n))},t.prototype._toggleTouched=function(t,i){var e=C.Vue.util,n=e.addClass,a=e.removeClass,o=this._classes.touched||"touched",s=this._classes.untouched||"untouched";i?(r(t,o,n),r(t,s,a)):(r(t,o,a),r(t,s,n))},t.prototype._togglePristine=function(t,i){var e=C.Vue.util,n=e.addClass,a=e.removeClass,o=this._classes.pristine||"pristine",s=this._classes.dirty||"dirty";i?(r(t,o,n),r(t,s,a)):(r(t,o,a),r(t,s,n))},t.prototype._toggleModfied=function(t,i){var e=C.Vue.util,n=e.addClass,a=e.removeClass,o=this._classes.modified||"modified";i?r(t,o,n):r(t,o,a)},t.prototype._applyFilters=function(t,i,e,n){var a=C.Vue.util.resolveAsset,o=this._getScope(),r=void 0,s=void 0,l=void 0,d=void 0,u=void 0,h=void 0,c=void 0,f=void 0,p=void 0;for(h=0,c=e.length;c>h;h++)if(r=e[h],s=a(this._vm.$options,"filters",r.name),s&&(s=n?s.write:s.read||s,"function"==typeof s)){if(l=n?[t,i]:[t],u=n?2:1,r.args)for(f=0,p=r.args.length;p>f;f++)d=r.args[f],l[f+u]=d.dynamic?o.$get(d.value):d.value;t=s.apply(this._vm,l)}return t},t.prototype._runValidators=function(t,i){var n=this._validators,a=Object.keys(n).length,o=0;e(n,function(e,n){t(e,n,function(){++o,o>=a&&i()})})},t.prototype._invokeValidator=function(t,i,e,n,a){var r=i.call(this,e,n);"function"==typeof r?r(function(){a(!0)},function(t){a(!1,t)}):o(r)?r.then(function(){a(!0)},function(t){a(!1,t)})["catch"](function(t){a(!1,t.message)}):a(r)},t.prototype._resolveValidator=function(t){var i=C.Vue.util.resolveAsset;return i(this._vm.$options,"validators",t)},w.createClass(t,[{key:"vm",get:function(){return this._vm}},{key:"el",get:function(){return this._el}},{key:"detectChange",get:function(){return this._detectChange},set:function(t){this._detectChange=t}},{key:"detectBlur",get:function(){return this._detectBlur},set:function(t){this._detectBlur=t}}]),t}(),$=function(t){function i(e,n,a,o,r,s,l,d,u){w.classCallCheck(this,i);var h=w.possibleConstructorReturn(this,t.call(this,e,n,a,o,r,s,l,d,u));return h._inits=[],h}return w.inherits(i,t),i.prototype.manageElement=function(t,i){var e=this,n=this._getScope(),a=this._addItem(t,i),o=a.model=this._model;if(o){var r=this._evalModel(o,this._filters);Array.isArray(r)?(this._setChecked(r,a.el),a.unwatch=n.$watch(o,function(t,i){if(t!==i){if(e.guardValidate(a.el,"change"))return;e.handleValidate(a.el,{noopable:a.initial}),a.initial&&(a.initial=null)}})):(t.checked=r||!1,this._init=t.checked,a.init=t.checked,a.value=t.value,a.unwatch=n.$watch(o,function(i,n){if(i!==n){if(e.guardValidate(t,"change"))return;e.handleValidate(t,{noopable:a.initial}),a.initial&&(a.initial=null)}}))}else{var s={field:this.field,noopable:i};this._checkClassIds(t)&&(s.el=t),this._validator.validate(s)}},i.prototype.unmanageElement=function(t){var i=-1;e(this._inits,function(e,n){e.el===t&&(i=n,e.unwatch&&e.model&&(e.unwatch(),e.unwatch=null,e.model=null))}),-1!==i&&(this._inits.splice(i,1),this._validator.validate({field:this.field}))},i.prototype.willUpdateFlags=function(){var t=this,i=arguments.length<=0||void 0===arguments[0]?!1:arguments[0];e(this._inits,function(e,n){i&&t.willUpdateTouched(e.el,"blur"),t.willUpdateDirty(e.el),t.willUpdateModified(e.el)})},i.prototype.reset=function(){this.resetValidationNoopable(),this.resetFlags(),e(this._inits,function(t,i){t.init=t.el.checked,t.value=t.el.value})},i.prototype.updateClasses=function(t){var i=this,n=arguments.length<=1||void 0===arguments[1]?null:arguments[1];n?this._updateClasses(n,t):e(this._inits,function(e,n){i._updateClasses(e.el,t)})},i.prototype._addItem=function(t,i){var e={el:t,init:t.checked,value:t.value,initial:i},n=t.getAttribute(E);return n&&(t.removeAttribute(E),e.classIds=n.split(",")),this._inits.push(e),e},i.prototype._setChecked=function(t,i){for(var e=0,n=t.length;n>e;e++){var a=t[e];i.disabled||i.value!==a||i.checked||(i.checked=!0)}},i.prototype._getValue=function(t){var i=this;if(!this._inits||0===this._inits.length)return t.checked;var n=function(){var t=[];return e(i._inits,function(i,e){i.el.checked&&t.push(i.el.value)}),{v:t}}();return"object"===("undefined"==typeof n?"undefined":w["typeof"](n))?n.v:void 0},i.prototype._getClassIds=function(t){var i=void 0;return e(this._inits,function(e,n){e.el===t&&(i=e.classIds)}),i},i.prototype._checkModified=function(t){var i=this;if(0===this._inits.length)return this._init!==t.checked;var n=function(){var t=!1;return e(i._inits,function(i,e){t||(t=i.init!==i.el.checked)}),{v:t}}();return"object"===("undefined"==typeof n?"undefined":w["typeof"](n))?n.v:void 0},i}(O),M=function(t){function i(e,n,a,o,r,s,l,d,u){w.classCallCheck(this,i);var h=w.possibleConstructorReturn(this,t.call(this,e,n,a,o,r,s,l,d,u));return h._inits=[],h}return w.inherits(i,t),i.prototype.manageElement=function(t,i){var e=this,n=this._getScope(),a=this._addItem(t,i),o=a.model=this._model;if(o){var r=this._evalModel(o,this._filters);this._setChecked(r,t,a),a.unwatch=n.$watch(o,function(i,n){if(i!==n){if(e.guardValidate(a.el,"change"))return;e.handleValidate(t,{noopable:a.initial}),a.initial&&(a.initial=null)}})}else{var s={field:this.field,noopable:i};this._checkClassIds(t)&&(s.el=t),this._validator.validate(s)}},i.prototype.unmanageElement=function(t){var i=-1;e(this._inits,function(e,n){e.el===t&&(i=n)}),-1!==i&&(this._inits.splice(i,1),this._validator.validate({field:this.field}))},i.prototype.willUpdateFlags=function(){var t=this,i=arguments.length<=0||void 0===arguments[0]?!1:arguments[0];e(this._inits,function(e,n){i&&t.willUpdateTouched(e.el,"blur"),t.willUpdateDirty(e.el),t.willUpdateModified(e.el)})},i.prototype.reset=function(){this.resetValidationNoopable(),this.resetFlags(),e(this._inits,function(t,i){t.init=t.el.checked,t.value=t.el.value})},i.prototype.updateClasses=function(t){var i=this,n=arguments.length<=1||void 0===arguments[1]?null:arguments[1];n?this._updateClasses(n,t):e(this._inits,function(e,n){i._updateClasses(e.el,t)})},i.prototype._addItem=function(t,i){var e={el:t,init:t.checked,value:t.value,initial:i},n=t.getAttribute(E);return n&&(t.removeAttribute(E),e.classIds=n.split(",")),this._inits.push(e),e},i.prototype._setChecked=function(t,i,e){i.value===t&&(i.checked=!0,this._init=i.checked,e.init=i.checked,e.value=t)},i.prototype._getValue=function(t){var i=this;if(!this._inits||0===this._inits.length)return t.checked;var n=function(){var t=[];return e(i._inits,function(i,e){i.el.checked&&t.push(i.el.value)}),{v:t}}();return"object"===("undefined"==typeof n?"undefined":w["typeof"](n))?n.v:void 0},i.prototype._getClassIds=function(t){var i=void 0;return e(this._inits,function(e,n){e.el===t&&(i=e.classIds)}),i},i.prototype._checkModified=function(t){var i=this;if(0===this._inits.length)return this._init!==t.checked;var n=function(){var t=!1;return e(i._inits,function(i,e){t||(t=i.init!==i.el.checked)}),{v:t}}();return"object"===("undefined"==typeof n?"undefined":w["typeof"](n))?n.v:void 0},i}(O),j=function(t){function i(e,n,a,o,r,s,l,d,u){w.classCallCheck(this,i);var h=w.possibleConstructorReturn(this,t.call(this,e,n,a,o,r,s,l,d,u));return h._multiple=h._el.hasAttribute("multiple"),h}return w.inherits(i,t),i.prototype.manageElement=function(t,i){var e=this,n=this._getScope(),a=this._model;this._initial=i;var o=t.getAttribute(E);if(o&&(t.removeAttribute(E),this._classIds=o.split(",")),a){var r=this._evalModel(a,this._filters),s=Array.isArray(r)?r:[r];this._setOption(s,t),this._unwatch=n.$watch(a,function(i,n){var a=Array.isArray(i)?i:[i],o=Array.isArray(n)?n:[n];if(a.slice().sort().toString()!==o.slice().sort().toString()){if(e.guardValidate(t,"change"))return;e.handleValidate(t,{noopable:e._initial}),e._initial&&(e._initial=null)}})}},i.prototype.unmanageElement=function(t){this._unwatch&&this._unwatch()},i.prototype._getValue=function(t){for(var i=[],e=0,n=t.options.length;n>e;e++){var a=t.options[e];!a.disabled&&a.selected&&i.push(a.value)}return i},i.prototype._setOption=function(t,i){for(var e=0,n=t.length;n>e;e++)for(var a=t[e],o=0,r=i.options.length;r>o;o++){var s=i.options[o];s.disabled||s.value!==a||s.hasAttribute("selected")&&s.selected||(s.selected=!0)}},i.prototype._checkModified=function(t){var i=this._getValue(t).slice().sort();if(this._init.length!==i.length)return!0;var e=this._init.slice().sort();return e.toString()!==i.toString()},i}(O),U=function(){function t(i,n,a,o){var r=this;w.classCallCheck(this,t),this.name=i,this._scope={},this._dir=n,this._validations={},this._checkboxValidations={},this._radioValidations={},this._groups=a,this._groupValidations={},this._events={},this._modified=!1,this._classes=o,e(a,function(t){r._groupValidations[t]=[]})}return t.prototype.enableReactive=function(){var t=this._dir.vm;C.Vue.util.defineReactive(t,this.name,this._scope),t._validatorMaps[this.name]=this,this._defineResetValidation(),this._defineValidate(),this._defineSetValidationErrors()},t.prototype.disableReactive=function(){var t=this._dir.vm;t.$setValidationErrors=null,delete t.$setValidationErrors,t.$validate=null,delete t.$validate,t.$resetValidation=null,delete t.$resetValidation,t._validatorMaps[this.name]=null,delete t._validatorMaps[this.name],t[this.name]=null,delete t[this.name]},t.prototype.registerEvents=function(){for(var t=C.Vue.parsers.expression.isSimplePath,i=this._dir.el.attributes,e=0,n=i.length;n>e;e++){var a=i[e].name;if(N.test(a)){var o=i[e].value;t(o)&&(o+=".apply(this, $arguments)"),a=a.replace(N,""),this._events[this._getEventName(a)]=this._dir.vm.$eval(o,!0)}}},t.prototype.unregisterEvents=function(){var t=this;e(this._events,function(i,e){t._events[e]=null,delete t._events[e]})},t.prototype.manageValidation=function(t,i,e,n,a,o,r,s,l){var d=null;return d="SELECT"===n.tagName?this._manageSelectValidation(t,i,e,n,a,o,r,s,l):"checkbox"===n.type?this._manageCheckboxValidation(t,i,e,n,a,o,r,s,l):"radio"===n.type?this._manageRadioValidation(t,i,e,n,a,o,r,s,l):this._manageBaseValidation(t,i,e,n,a,o,r,s,l),d.setValidationClasses(this._classes),d},t.prototype.unmanageValidation=function(t,i){"checkbox"===i.type?this._unmanageCheckboxValidation(t,i):"radio"===i.type?this._unmanageRadioValidation(t,i):"SELECT"===i.tagName?this._unmanageSelectValidation(t,i):this._unmanageBaseValidation(t,i)},t.prototype.addGroupValidation=function(t,i){var e=C.Vue.util.indexOf,n=this._getValidationFrom(i),a=this._groupValidations[t];a&&!~e(a,n)&&a.push(n)},t.prototype.removeGroupValidation=function(t,i){var e=this._getValidationFrom(i),a=this._groupValidations[t];a&&n(a,e)},t.prototype.validate=function(){var t=arguments.length<=0||void 0===arguments[0]?{}:arguments[0],i=t.el,n=void 0===i?null:i,a=t.field,o=void 0===a?null:a,r=t.touched,s=void 0===r?!1:r,l=t.noopable,d=void 0===l?!1:l,u=t.cb,h=void 0===u?null:u;o?this._validate(o,s,d,n,h):(e(this.validations,function(t,i){t.willUpdateFlags(s)}),this._validates(h))},t.prototype.setupScope=function(){var t=this;this._defineProperties(function(){return t.validations},function(){return t._scope}),e(this._groups,function(i){var e=t._groupValidations[i],n={};C.Vue.set(t._scope,i,n),t._defineProperties(function(){return e},function(){return n})})},t.prototype.waitFor=function(t){var i="$activateValidator",e=this._dir.vm;e[i]=function(){t(),e[i]=null}},t.prototype._defineResetValidation=function(){var t=this;this._dir.vm.$resetValidation=function(i){t._resetValidation(i)}},t.prototype._defineValidate=function(){var t=this;this._dir.vm.$validate=function(){for(var i=arguments.length,n=Array(i),a=0;i>a;a++)n[a]=arguments[a];var o=null,r=!1,s=null;e(n,function(t,i){"string"==typeof t?o=t:"boolean"==typeof t?r=t:"function"==typeof t&&(s=t)}),t.validate({field:o,touched:r,cb:s})}},t.prototype._defineSetValidationErrors=function(){var t=this;this._dir.vm.$setValidationErrors=function(i){t._setValidationErrors(i)}},t.prototype._validate=function(t){var i=arguments.length<=1||void 0===arguments[1]?!1:arguments[1],e=arguments.length<=2||void 0===arguments[2]?!1:arguments[2],n=this,a=arguments.length<=3||void 0===arguments[3]?null:arguments[3],o=arguments.length<=4||void 0===arguments[4]?null:arguments[4],r=this._scope,s=this._getValidationFrom(t);s&&(s.willUpdateFlags(i),s.validate(function(i){C.Vue.set(r,t,i),n._fireEvents(),o&&o()},e,a))},t.prototype._validates=function(t){var i=this,e=this._scope;this._runValidates(function(t,i,n){t.validate(function(t){C.Vue.set(e,i,t),n()})},function(){i._fireEvents(),t&&t()})},t.prototype._getValidationFrom=function(t){return this._validations[t]||this._checkboxValidations[t]&&this._checkboxValidations[t].validation||this._radioValidations[t]&&this._radioValidations[t].validation},t.prototype._resetValidation=function(t){e(this.validations,function(t,i){t.reset()}),this._validates(t)},t.prototype._setValidationErrors=function(t){var i=this,n=C.Vue.util.extend,a={};e(t,function(t,i){a[t.field]||(a[t.field]=[]),a[t.field].push(t)}),e(a,function(t,a){var o=i._scope[a],r={};e(t,function(t){t.validator&&(o[t.validator]=t.message)}),o.valid=!1,o.invalid=!0,o.errors=t,n(r,o);var s=i._getValidationFrom(a);s.willUpdateClasses(r,s.el),C.Vue.set(i._scope,a,r)})},t.prototype._manageBaseValidation=function(t,i,e,n,a,o,r,s,l){var d=this._validations[t]=new O(t,i,e,n,a,this,o,s,l);return d.manageElement(n,r),d},t.prototype._unmanageBaseValidation=function(t,i){var e=this._validations[t];e&&(e.unmanageElement(i),C.Vue["delete"](this._scope,t),this._validations[t]=null,delete this._validations[t])},t.prototype._manageCheckboxValidation=function(t,i,e,n,a,o,r,s,l){var d=this._checkboxValidations[t];if(!d){var u=new $(t,i,e,n,a,this,o,s,l);d={validation:u,elements:0},this._checkboxValidations[t]=d}return d.elements++,d.validation.manageElement(n,r),d.validation},t.prototype._unmanageCheckboxValidation=function(t,i){var e=this._checkboxValidations[t];e&&(e.elements--,e.validation.unmanageElement(i),0===e.elements&&(C.Vue["delete"](this._scope,t),this._checkboxValidations[t]=null,delete this._checkboxValidations[t]))},t.prototype._manageRadioValidation=function(t,i,e,n,a,o,r,s,l){var d=this._radioValidations[t];if(!d){var u=new M(t,i,e,n,a,this,o,s,l);d={validation:u,elements:0},this._radioValidations[t]=d}return d.elements++,d.validation.manageElement(n,r),d.validation},t.prototype._unmanageRadioValidation=function(t,i){var e=this._radioValidations[t];e&&(e.elements--,e.validation.unmanageElement(i),0===e.elements&&(C.Vue["delete"](this._scope,t),this._radioValidations[t]=null,delete this._radioValidations[t]))},t.prototype._manageSelectValidation=function(t,i,e,n,a,o,r,s,l){var d=this._validations[t]=new j(t,i,e,n,a,this,o,s,l);return d.manageElement(n,r),d},t.prototype._unmanageSelectValidation=function(t,i){var e=this._validations[t];e&&(e.unmanageElement(i),C.Vue["delete"](this._scope,t),this._validations[t]=null,delete this._validations[t])},t.prototype._fireEvent=function(t){for(var i=arguments.length,e=Array(i>1?i-1:0),n=1;i>n;n++)e[n-1]=arguments[n];var a=this._events[this._getEventName(t)];a&&this._dir.vm.$nextTick(function(){a.apply(null,e)})},t.prototype._fireEvents=function(){var t=this._scope;t.touched&&this._fireEvent("touched"),t.dirty&&this._fireEvent("dirty"),this._modified!==t.modified&&(this._fireEvent("modified",t.modified),
-this._modified=t.modified);var i=t.valid;this._fireEvent(i?"valid":"invalid")},t.prototype._getEventName=function(t){return this.name+":"+t},t.prototype._defineProperties=function(t,i){var n=this,a=C.Vue.util.bind;e({valid:{fn:this._defineValid,arg:t},invalid:{fn:this._defineInvalid,arg:i},touched:{fn:this._defineTouched,arg:t},untouched:{fn:this._defineUntouched,arg:i},modified:{fn:this._defineModified,arg:t},dirty:{fn:this._defineDirty,arg:t},pristine:{fn:this._definePristine,arg:i},errors:{fn:this._defineErrors,arg:t}},function(t,e){Object.defineProperty(i(),e,{enumerable:!0,configurable:!0,get:function(){return a(t.fn,n)(t.arg)}})})},t.prototype._runValidates=function(t,i){var n=Object.keys(this.validations).length,a=0;e(this.validations,function(e,o){t(e,o,function(){++a,a>=n&&i()})})},t.prototype._walkValidations=function(t,i,n){var a=this,o=C.Vue.util.hasOwn,r=n;return e(t,function(t,e){if(r!==!n&&o(a._scope,t.field)){var s=a._scope[t.field];s&&s[i]===!n&&(r=!n)}}),r},t.prototype._defineValid=function(t){return this._walkValidations(t(),"valid",!0)},t.prototype._defineInvalid=function(t){return!t().valid},t.prototype._defineTouched=function(t){return this._walkValidations(t(),"touched",!1)},t.prototype._defineUntouched=function(t){return!t().touched},t.prototype._defineModified=function(t){return this._walkValidations(t(),"modified",!1)},t.prototype._defineDirty=function(t){return this._walkValidations(t(),"dirty",!1)},t.prototype._definePristine=function(t){return!t().dirty},t.prototype._defineErrors=function(t){var n=this,a=C.Vue.util.hasOwn,o=C.Vue.util.isPlainObject,r=[];return e(t(),function(t,s){if(a(n._scope,t.field)){var l=n._scope[t.field];l&&!i(l.errors)&&e(l.errors,function(i,e){var n={field:t.field};o(i)?(i.validator&&(n.validator=i.validator),n.message=i.message):"string"==typeof i&&(n.message=i),r.push(n)})}}),i(r)?void 0:r.sort(function(t,i){return t.field<i.field?-1:1})},w.createClass(t,[{key:"validations",get:function(){var t=C.Vue.util.extend,i={};return t(i,this._validations),e(this._checkboxValidations,function(t,e){i[e]=t.validation}),e(this._radioValidations,function(t,e){i[e]=t.validation}),i}}]),t}();return b.version="2.1.7","undefined"!=typeof window&&window.Vue&&window.Vue.use(b),b});
\ No newline at end of file
+!function(t,i){"object"==typeof exports&&"undefined"!=typeof module?module.exports=i():"function"==typeof define&&define.amd?define(i):t.VueValidator=i()}(this,function(){"use strict";function t(t,i){window.console&&(console.warn("[vue-validator] "+t),i&&console.warn(i.stack))}function i(t){if(null===t||void 0===t)return!0;if(Array.isArray(t)){if(t.length>0)return!1;if(0===t.length)return!0}else if(w.Vue.util.isPlainObject(t))for(var i in t)if(w.Vue.util.hasOwn(t,i))return!1;return!0}function e(t,i,e){if(Array.isArray(t))for(var n=0;n<t.length;n++)i.call(e||t[n],t[n],n);else if(w.Vue.util.isPlainObject(t)){var a=w.Vue.util.hasOwn;for(var o in t)a(t,o)&&i.call(e||t[o],t[o],o)}}function n(t,i){var e=w.Vue.util.indexOf(t,i);return~e?t.splice(e,1):null}function a(t,i,e){var n=document.createEvent("HTMLEvents");if(n.initEvent(i,!0,!1),e)for(var a in e)n[a]=e[a];try{t.dispatchEvent(n)}catch(n){}}function o(t){return t&&"function"==typeof t.then}function r(t,i,e){if(i=i.trim(),-1===i.indexOf(" "))return void e(t,i);for(var n=i.split(/\s+/),a=0,o=n.length;a<o;a++)e(t,n[a])}function s(t){if(Array.isArray(t)){if(0!==t.length){for(var i=!0,e=0,n=t.length;e<n&&(i=s(t[e]));e++);return i}return!1}return"number"==typeof t||"function"==typeof t||("boolean"==typeof t?t:"string"==typeof t?t.length>0:null!==t&&"object"===(void 0===t?"undefined":k(t))?Object.keys(t).length>0:null!==t&&void 0!==t&&void 0)}function l(t,i){if("string"!=typeof i)return!1;var e=i.match(new RegExp("^/(.*?)/([gimy]*)$"));return!!e&&new RegExp(e[1],e[2]).test(t)}function d(t,i){return"string"==typeof t?f(i)&&t.length>=parseInt(i,10):!!Array.isArray(t)&&t.length>=parseInt(i,10)}function u(t,i){return"string"==typeof t?f(i)&&t.length<=parseInt(i,10):!!Array.isArray(t)&&t.length<=parseInt(i,10)}function h(t,i){return!isNaN(+t)&&!isNaN(+i)&&+t>=+i}function c(t,i){return!isNaN(+t)&&!isNaN(+i)&&+t<=+i}function f(t){return/^(-?[1-9]\d*|0)$/.test(t)}function p(t){var i=t.util.extend,e=Object.create(null);i(e,x),t.options.validators=e;var n=t.config.optionMergeStrategies;n&&(n.validators=function(t,e){if(!e)return t;if(!t)return e;var n=Object.create(null);i(n,t);for(var a in e)n[a]=e[a];return n}),t.validator=function(i,e){if(!e)return t.options.validators[i];t.options.validators[i]=e}}function v(t){var i=t.prototype._init;t.prototype._init=function(t){this._validatorMaps||(this._validatorMaps=Object.create(null)),i.call(this,t)};var e=t.prototype._destroy;t.prototype._destroy=function(){e.apply(this,arguments),this._validatorMaps=null}}function _(t){var i=t.directive("if"),e=t.FragmentFactory,n=t.util,a=n.toArray,o=n.replace,r=n.createAnchor;t.directive("validate-class",{terminal:!0,priority:i.priority+I,bind:function(){var 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i=t.FragmentFactory,n=t.parsers.directive.parseDirective,a=t.util,o=a.inBrowser,r=a.bind,s=a.on,l=a.off,d=a.createAnchor,u=a.replace,h=a.camelize,c=a.isPlainObject,f=function(){if(o){var t=document.createElement("textarea");return t.placeholder="t","t"===t.cloneNode(!0).value}return!1}();t.directive("validate",{deep:!0,terminal:!0,priority:$,params:["group","field","detect-blur","detect-change","initial","classes"],paramWatchers:{detectBlur:function(t,i){this._invalid||(this.validation.detectBlur=this.isDetectBlur(t),this.validator.validate(this.field))},detectChange:function(t,i){this._invalid||(this.validation.detectChange=this.isDetectChange(t),this.validator.validate(this.field))}},bind:function(){var t=this.el,i=this.vm.$options._validator,e=t.getAttribute("v-model"),n=this.parseModelRaw(e),a=n.model,o=n.filters;this.model=a,this.setupFragment(),this.setupValidate(i,a,o),this.listen()},update:function(t,i){if(t&&!this._invalid){c(t)||i&&c(i)?this.handleObject(t,i,this.params.initial):(Array.isArray(t)||i&&Array.isArray(i))&&this.handleArray(t,i,this.params.initial);var e={field:this.field};this.frag&&(e.el=this.frag.node),this.validator.validate(e)}},unbind:function(){this._invalid||(this.unlisten(),this.teardownValidate(),this.teardownFragment(),this.model=null)},parseModelRaw:function(t){if(N.test(t)){var i=n(t);return{model:i.expression,filters:i.filters}}return{model:t}},setupValidate:function(t,i,e){var n=this.params,a=this.validator=this.vm._validatorMaps[t];this.field=h(this.arg?this.arg:n.field),this.validation=a.manageValidation(this.field,i,this.vm,this.getElementFrom(this.frag),this._scope,e,n.initial,this.isDetectBlur(n.detectBlur),this.isDetectChange(n.detectChange)),c(n.classes)&&this.validation.setValidationClasses(n.classes),n.group&&a.addGroupValidation(n.group,this.field)},listen:function(){var t=this.model,i=this.validation,e=this.getElementFrom(this.frag);this.onBlur=r(i.listener,i),s(e,"blur",this.onBlur),"radio"!==e.type&&"SELECT"!==e.tagName||t?"checkbox"===e.type?t?(this.onClick=r(i.listener,i),s(e,"click",this.onClick)):(this.onChange=r(i.listener,i),s(e,"change",this.onChange)):t||(this.onInput=r(i.listener,i),s(e,"input",this.onInput)):(this.onChange=r(i.listener,i),s(e,"change",this.onChange))},unlisten:function(){var t=this.getElementFrom(this.frag);this.onInput&&(l(t,"input",this.onInput),this.onInput=null),this.onClick&&(l(t,"click",this.onClick),this.onClick=null),this.onChange&&(l(t,"change",this.onChange),this.onChange=null),this.onBlur&&(l(t,"blur",this.onBlur),this.onBlur=null)},teardownValidate:function(){if(this.validator&&this.validation){var t=this.getElementFrom(this.frag);this.params.group&&this.validator.removeGroupValidation(this.params.group,this.field),this.validator.unmanageValidation(this.field,t),this.validator=null,this.validation=null,this.field=null}},setupFragment:function(){this.anchor=d("v-validate"),u(this.el,this.anchor),this.factory=new i(this.vm,this.shimNode(this.el)),this.frag=this.factory.create(this._host,this._scope,this._frag),this.frag.before(this.anchor)},teardownFragment:function(){this.frag&&(this.frag.remove(),this.frag=null,this.factory=null),u(this.anchor,this.el),this.anchor=null},handleArray:function(t,i,n){var a=this;i&&this.validation.resetValidation(),e(t,function(t){a.validation.setValidation(t,void 0,void 0,n)})},handleObject:function(t,i,n){var a=this;i&&this.validation.resetValidation(),e(t,function(t,i){if(c(t)){if("rule"in t){var e="message"in t?t.message:null,o="initial"in t?t.initial:null;a.validation.setValidation(i,t.rule,e,o||n)}}else a.validation.setValidation(i,t,void 0,n)})},isDetectBlur:function(t){return void 0===t||"on"===t||!0===t},isDetectChange:function(t){return void 0===t||"on"===t||!0===t},isInitialNoopValidation:function(t){return"off"===t||!1===t},shimNode:function(t){var i=t;if(f&&"TEXTAREA"===t.tagName){i=t.cloneNode(!0),i.value=t.value;for(var e=i.childNodes.length;e--;)i.removeChild(i.childNodes[e])}return i},getElementFrom:function(t){return t.single?t.node:t.node.nextSibling}})}function m(t){var i=t.FragmentFactory,e=t.directive("if"),n=t.util,a=n.isArray,o=n.isPlainObject,r=n.createAnchor,s=n.replace,l=n.extend,d=n.camelize;t.elementDirective("validator",{params:["name","groups","lazy","classes"],bind:function(){var t=this.params;if(this.validatorName="$"+d(t.name),!this.vm._validatorMaps)throw new Error("Invalid validator management error");var i={};o(this.params.classes)&&(i=this.params.classes),this.setupValidator(i),this.setupFragment(t.lazy)},unbind:function(){this.teardownFragment(),this.teardownValidator()},getGroups:function(){var t=this.params,i=[];return t.groups&&(a(t.groups)?i=t.groups:o(t.groups)||"string"!=typeof t.groups||i.push(t.groups)),i},setupValidator:function(t){var i=this.validator=new 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0!==a&&a;this.willUpdateTouched(t,n),this.willUpdateDirty(t),this.willUpdateModified(t),this._validator.validate({field:this.field,el:t,noopable:o})},t.prototype.validate=function(t){var e=this,n=arguments.length>1&&void 0!==arguments[1]&&arguments[1],a=arguments.length>2&&void 0!==arguments[2]?arguments[2]:null,o=w.Vue.util,r={},s=[],l=!0;this._runValidators(function(t,i,a){var d=e._resolveValidator(i),u=null,h=null;if(o.isPlainObject(d)?(d.check&&"function"==typeof d.check&&(u=d.check),d.message&&(h=d.message)):"function"==typeof d&&(u=d),t.msg&&(h=t.msg),n)return r[i]=!1,a();if(t._isNoopable)return r[i]=!1,t._isNoopable=null,a();if(u){var c=e._getValue(e._el);e._invokeValidator(e._vm,u,c,t.arg,function(n,o){if(n)r[i]=!n;else if(l=!1,o)s.push({validator:i,message:o}),r[i]=o;else if(h){var d={validator:i};d.message="function"==typeof h?h.call(e._vm,e.field,t.arg):h,s.push(d),r[i]=d.message}else r[i]=!n;a()})}else a()},function(){e._fireEvent(e._el,l?"valid":"invalid");var n={valid:l,invalid:!l,touched:e.touched,untouched:!e.touched,dirty:e.dirty,pristine:!e.dirty,modified:e.modified};i(s)||(n.errors=s),o.extend(r,n),e.willUpdateClasses(r,a),t(r)})},t.prototype.resetFlags=function(){this.touched=!1,this.dirty=!1,this.modified=!1,this._modified=!1},t.prototype.reset=function(){this.resetValidationNoopable(),this.resetFlags(),this._init=this._getValue(this._el)},t.prototype.willUpdateClasses=function(t){var i=this,e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;if(this._checkClassIds(e)){var n=this._getClassIds(e);this.vm.$nextTick(function(){i.vm.$emit(S,n,i,t)})}else this.updateClasses(t)},t.prototype.updateClasses=function(t){var i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;this._updateClasses(i||this._el,t)},t.prototype.guardValidate=function(t,i){return!(!i||"blur"!==i||this.detectBlur)||(!(!i||"input"!==i||this.detectChange)||(!(!i||"change"!==i||this.detectChange)||!(!i||"click"!==i||this.detectChange)))},t.prototype._getValue=function(t){return t.value},t.prototype._getScope=function(){return this._forScope||this._vm},t.prototype._getClassIds=function(t){return this._classIds},t.prototype._checkModified=function(t){return this._init!==this._getValue(t)},t.prototype._checkClassIds=function(t){return this._getClassIds(t)},t.prototype._fireEvent=function(t,i,e){a(t,i,e)},t.prototype._evalModel=function(t,i){var e=this._getScope(),n=null;return i?(n=e.$get(t),i?this._applyFilters(n,null,i):n):(n=e.$get(t),void 0===n||null===n?"":n)},t.prototype._updateClasses=function(t,i){this._toggleValid(t,i.valid),this._toggleTouched(t,i.touched),this._togglePristine(t,i.pristine),this._toggleModfied(t,i.modified)},t.prototype._toggleValid=function(t,i){var e=w.Vue.util,n=e.addClass,a=e.removeClass,o=this._classes.valid||"valid",s=this._classes.invalid||"invalid";i?(r(t,o,n),r(t,s,a)):(r(t,o,a),r(t,s,n))},t.prototype._toggleTouched=function(t,i){var e=w.Vue.util,n=e.addClass,a=e.removeClass,o=this._classes.touched||"touched",s=this._classes.untouched||"untouched";i?(r(t,o,n),r(t,s,a)):(r(t,o,a),r(t,s,n))},t.prototype._togglePristine=function(t,i){var e=w.Vue.util,n=e.addClass,a=e.removeClass,o=this._classes.pristine||"pristine",s=this._classes.dirty||"dirty";i?(r(t,o,n),r(t,s,a)):(r(t,o,a),r(t,s,n))},t.prototype._toggleModfied=function(t,i){var e=w.Vue.util,n=e.addClass,a=e.removeClass,o=this._classes.modified||"modified";i?r(t,o,n):r(t,o,a)},t.prototype._applyFilters=function(t,i,e,n){var a=w.Vue.util.resolveAsset,o=this._getScope(),r=void 0,s=void 0,l=void 0,d=void 0,u=void 0,h=void 0,c=void 0,f=void 0,p=void 0;for(h=0,c=e.length;h<c;h++)if(r=e[h],(s=a(this._vm.$options,"filters",r.name))&&"function"==typeof(s=n?s.write:s.read||s)){if(l=n?[t,i]:[t],u=n?2:1,r.args)for(f=0,p=r.args.length;f<p;f++)d=r.args[f],l[f+u]=d.dynamic?o.$get(d.value):d.value;t=s.apply(this._vm,l)}return t},t.prototype._runValidators=function(t,i){var n=this._validators,a=Object.keys(n).length,o=0;e(n,function(e,n){t(e,n,function(){++o>=a&&i()})})},t.prototype._invokeValidator=function(t,i,e,n,a){var r=i.call(this,e,n);"function"==typeof r?r(function(){a(!0)},function(t){a(!1,t)}):o(r)?r.then(function(){a(!0)},function(t){a(!1,t)}).catch(function(t){a(!1,t.message)}):a(r)},t.prototype._resolveValidator=function(t){return(0,w.Vue.util.resolveAsset)(this._vm.$options,"validators",t)},E(t,[{key:"vm",get:function(){return this._vm}},{key:"el",get:function(){return this._el}},{key:"detectChange",get:function(){return this._detectChange},set:function(t){this._detectChange=t}},{key:"detectBlur",get:function(){return this._detectBlur},set:function(t){this._detectBlur=t}}]),t}(),B=function(t){function i(e,n,a,o,r,s,l,d,u){C(this,i);var h=F(this,t.call(this,e,n,a,o,r,s,l,d,u));return h._inits=[],h}return A(i,t),i.prototype.manageElement=function(t,i){var e=this,n=this._getScope(),a=this._addItem(t,i),o=a.model=this._model;if(o){var r=this._evalModel(o,this._filters);Array.isArray(r)?(this._setChecked(r,a.el),a.unwatch=n.$watch(o,function(t,i){if(t!==i){if(e.guardValidate(a.el,"change"))return;e.handleValidate(a.el,{noopable:a.initial}),a.initial&&(a.initial=null)}})):(t.checked=r||!1,this._init=t.checked,a.init=t.checked,a.value=t.value,a.unwatch=n.$watch(o,function(i,n){if(i!==n){if(e.guardValidate(t,"change"))return;e.handleValidate(t,{noopable:a.initial}),a.initial&&(a.initial=null)}}))}else{var s={field:this.field,noopable:i};this._checkClassIds(t)&&(s.el=t),this._validator.validate(s)}},i.prototype.unmanageElement=function(t){var i=-1;e(this._inits,function(e,n){e.el===t&&(i=n,e.unwatch&&e.model&&(e.unwatch(),e.unwatch=null,e.model=null))}),-1!==i&&(this._inits.splice(i,1),this._validator.validate({field:this.field}))},i.prototype.willUpdateFlags=function(){var t=this,i=arguments.length>0&&void 0!==arguments[0]&&arguments[0];e(this._inits,function(e,n){i&&t.willUpdateTouched(e.el,"blur"),t.willUpdateDirty(e.el),t.willUpdateModified(e.el)})},i.prototype.reset=function(){this.resetValidationNoopable(),this.resetFlags(),e(this._inits,function(t,i){t.init=t.el.checked,t.value=t.el.value})},i.prototype.updateClasses=function(t){var i=this,n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;n?this._updateClasses(n,t):e(this._inits,function(e,n){i._updateClasses(e.el,t)})},i.prototype._addItem=function(t,i){var e={el:t,init:t.checked,value:t.value,initial:i},n=t.getAttribute(S);return n&&(t.removeAttribute(S),e.classIds=n.split(",")),this._inits.push(e),e},i.prototype._setChecked=function(t,i){for(var e=0,n=t.length;e<n;e++){var a=t[e];i.disabled||i.value!==a||i.checked||(i.checked=!0)}},i.prototype._getValue=function(t){if(this._inits&&0!==this._inits.length){var i=[];return e(this._inits,function(t,e){t.el.checked&&i.push(t.el.value)}),i}return t.checked},i.prototype._getClassIds=function(t){var i=void 0;return e(this._inits,function(e,n){e.el===t&&(i=e.classIds)}),i},i.prototype._checkModified=function(t){if(0===this._inits.length)return this._init!==t.checked;var i=!1;return e(this._inits,function(t,e){i||(i=t.init!==t.el.checked)}),i},i}(U),P=function(t){function i(e,n,a,o,r,s,l,d,u){C(this,i);var h=F(this,t.call(this,e,n,a,o,r,s,l,d,u));return h._inits=[],h}return A(i,t),i.prototype.manageElement=function(t,i){var e=this,n=this._getScope(),a=this._addItem(t,i),o=a.model=this._model;if(o){var r=this._evalModel(o,this._filters);this._setChecked(r,t,a),a.unwatch=n.$watch(o,function(i,n){if(i!==n){if(e.guardValidate(a.el,"change"))return;e.handleValidate(t,{noopable:a.initial}),a.initial&&(a.initial=null)}})}else{var s={field:this.field,noopable:i};this._checkClassIds(t)&&(s.el=t),this._validator.validate(s)}},i.prototype.unmanageElement=function(t){var i=-1;e(this._inits,function(e,n){e.el===t&&(i=n)}),-1!==i&&(this._inits.splice(i,1),this._validator.validate({field:this.field}))},i.prototype.willUpdateFlags=function(){var t=this,i=arguments.length>0&&void 0!==arguments[0]&&arguments[0];e(this._inits,function(e,n){i&&t.willUpdateTouched(e.el,"blur"),t.willUpdateDirty(e.el),t.willUpdateModified(e.el)})},i.prototype.reset=function(){this.resetValidationNoopable(),this.resetFlags(),e(this._inits,function(t,i){t.init=t.el.checked,t.value=t.el.value})},i.prototype.updateClasses=function(t){var i=this,n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;n?this._updateClasses(n,t):e(this._inits,function(e,n){i._updateClasses(e.el,t)})},i.prototype._addItem=function(t,i){var e={el:t,init:t.checked,value:t.value,initial:i},n=t.getAttribute(S);return n&&(t.removeAttribute(S),e.classIds=n.split(",")),this._inits.push(e),e},i.prototype._setChecked=function(t,i,e){i.value===t&&(i.checked=!0,this._init=i.checked,e.init=i.checked,e.value=t)},i.prototype._getValue=function(t){if(this._inits&&0!==this._inits.length){var i=[];return e(this._inits,function(t,e){t.el.checked&&i.push(t.el.value)}),i}return t.checked},i.prototype._getClassIds=function(t){var i=void 0;return e(this._inits,function(e,n){e.el===t&&(i=e.classIds)}),i},i.prototype._checkModified=function(t){if(0===this._inits.length)return this._init!==t.checked;var i=!1;return e(this._inits,function(t,e){i||(i=t.init!==t.el.checked)}),i},i}(U),T=function(t){function i(e,n,a,o,r,s,l,d,u){C(this,i);var h=F(this,t.call(this,e,n,a,o,r,s,l,d,u));return h._multiple=h._el.hasAttribute("multiple"),h}return A(i,t),i.prototype.manageElement=function(t,i){var e=this,n=this._getScope(),a=this._model;this._initial=i;var o=t.getAttribute(S);if(o&&(t.removeAttribute(S),this._classIds=o.split(",")),a){var r=this._evalModel(a,this._filters),s=Array.isArray(r)?r:[r];this._setOption(s,t),this._unwatch=n.$watch(a,function(i,n){var a=Array.isArray(i)?i:[i],o=Array.isArray(n)?n:[n];if(a.slice().sort().toString()!==o.slice().sort().toString()){if(e.guardValidate(t,"change"))return;e.handleValidate(t,{noopable:e._initial}),e._initial&&(e._initial=null)}})}},i.prototype.unmanageElement=function(t){this._unwatch&&this._unwatch()},i.prototype._getValue=function(t){for(var i=[],e=0,n=t.options.length;e<n;e++){var a=t.options[e];!a.disabled&&a.selected&&i.push(a.value)}return i},i.prototype._setOption=function(t,i){for(var e=0,n=t.length;e<n;e++)for(var a=t[e],o=0,r=i.options.length;o<r;o++){var s=i.options[o];s.disabled||s.value!==a||s.hasAttribute("selected")&&s.selected||(s.selected=!0)}},i.prototype._checkModified=function(t){var i=this._getValue(t).slice().sort();return this._init.length!==i.length||this._init.slice().sort().toString()!==i.toString()},i}(U),R=function(){function t(i,n,a,o){var r=this;C(this,t),this.name=i,this._scope={},this._dir=n,this._validations={},this._checkboxValidations={},this._radioValidations={},this._groups=a,this._groupValidations={},this._events={},this._modified=!1,this._classes=o,e(a,function(t){r._groupValidations[t]=[]})}return t.prototype.enableReactive=function(){var t=this._dir.vm;w.Vue.util.defineReactive(t,this.name,this._scope),t._validatorMaps[this.name]=this,this._defineResetValidation(),this._defineResetField(),this._defineValidate(),this._defineSetValidationErrors()},t.prototype.disableReactive=function(){var t=this._dir.vm;t.$setValidationErrors=null,delete t.$setValidationErrors,t.$validate=null,delete t.$validate,t.$resetValidation=null,delete t.$resetValidation,t.$resetField=null,delete t.$resetField,t._validatorMaps[this.name]=null,delete t._validatorMaps[this.name],t[this.name]=null,delete t[this.name]},t.prototype.registerEvents=function(){for(var t=w.Vue.parsers.expression.isSimplePath,i=this._dir.el.attributes,e=0,n=i.length;e<n;e++){var a=i[e].name;if(M.test(a)){var o=i[e].value;t(o)&&(o+=".apply(this, $arguments)"),a=a.replace(M,""),this._events[this._getEventName(a)]=this._dir.vm.$eval(o,!0)}}},t.prototype.unregisterEvents=function(){var t=this;e(this._events,function(i,e){t._events[e]=null,delete t._events[e]})},t.prototype.manageValidation=function(t,i,e,n,a,o,r,s,l){var d=null;return d="SELECT"===n.tagName?this._manageSelectValidation(t,i,e,n,a,o,r,s,l):"checkbox"===n.type?this._manageCheckboxValidation(t,i,e,n,a,o,r,s,l):"radio"===n.type?this._manageRadioValidation(t,i,e,n,a,o,r,s,l):this._manageBaseValidation(t,i,e,n,a,o,r,s,l),d.setValidationClasses(this._classes),d},t.prototype.unmanageValidation=function(t,i){"checkbox"===i.type?this._unmanageCheckboxValidation(t,i):"radio"===i.type?this._unmanageRadioValidation(t,i):"SELECT"===i.tagName?this._unmanageSelectValidation(t,i):this._unmanageBaseValidation(t,i)},t.prototype.addGroupValidation=function(t,i){var e=w.Vue.util.indexOf,n=this._getValidationFrom(i),a=this._groupValidations[t];a&&!~e(a,n)&&a.push(n)},t.prototype.removeGroupValidation=function(t,i){var e=this._getValidationFrom(i),a=this._groupValidations[t];a&&n(a,e)},t.prototype.validate=function(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},i=t.el,n=void 0===i?null:i,a=t.field,o=void 0===a?null:a,r=t.touched,s=void 0!==r&&r,l=t.noopable,d=void 0!==l&&l,u=t.cb,h=void 0===u?null:u;o?this._validate(o,s,d,n,h):(e(this.validations,function(t,i){t.willUpdateFlags(s)}),this._validates(h))},t.prototype.setupScope=function(){var t=this;this._defineProperties(function(){return t.validations},function(){return t._scope}),e(this._groups,function(i){var e=t._groupValidations[i],n={};w.Vue.set(t._scope,i,n),t._defineProperties(function(){return e},function(){return n})})},t.prototype.waitFor=function(t){var i=this._dir.vm;i.$activateValidator=function(){t(),i.$activateValidator=null}},t.prototype._defineResetValidation=function(){var t=this;this._dir.vm.$resetValidation=function(i){t._resetValidation(i)}},t.prototype._defineResetField=function(){var t=this;this._dir.vm.$resetField=function(){for(var i=arguments.length,n=Array(i),a=0;a<i;a++)n[a]=arguments[a];var o=null,r=null;e(n,function(t,i){"string"==typeof t?o=t:"function"==typeof t&&(r=t)}),t._resetField(o,r)}},t.prototype._defineValidate=function(){var t=this;this._dir.vm.$validate=function(){for(var i=arguments.length,n=Array(i),a=0;a<i;a++)n[a]=arguments[a];var o=null,r=!1,s=null;e(n,function(t,i){"string"==typeof t?o=t:"boolean"==typeof t?r=t:"function"==typeof t&&(s=t)}),t.validate({field:o,touched:r,cb:s})}},t.prototype._defineSetValidationErrors=function(){var t=this;this._dir.vm.$setValidationErrors=function(i){t._setValidationErrors(i)}},t.prototype._validate=function(t){var i=arguments.length>1&&void 0!==arguments[1]&&arguments[1],e=arguments.length>2&&void 0!==arguments[2]&&arguments[2],n=this,a=arguments.length>3&&void 0!==arguments[3]?arguments[3]:null,o=arguments.length>4&&void 0!==arguments[4]?arguments[4]:null,r=this._scope,s=this._getValidationFrom(t);s&&(s.willUpdateFlags(i),s.validate(function(i){w.Vue.set(r,t,i),n._fireEvents(),o&&o()},e,a))},t.prototype._validates=function(t){var i=this,e=this._scope;this._runValidates(function(t,i,n){t.validate(function(t){w.Vue.set(e,i,t),n()})},function(){i._fireEvents(),t&&t()})},t.prototype._getValidationFrom=function(t){return this._validations[t]||this._checkboxValidations[t]&&this._checkboxValidations[t].validation||this._radioValidations[t]&&this._radioValidations[t].validation},t.prototype._resetField=function(t,i){var e=this._getValidationFrom(t);e&&e.reset(),this._validates(i)},t.prototype._resetValidation=function(t){e(this.validations,function(t,i){t.reset()}),this._validates(t)},t.prototype._setValidationErrors=function(t){var i=this,n=w.Vue.util.extend,a={};e(t,function(t,i){a[t.field]||(a[t.field]=[]),a[t.field].push(t)}),e(a,function(t,a){var o=i._scope[a],r={};e(t,function(t){t.validator&&(o[t.validator]=t.message)}),o.valid=!1,o.invalid=!0,o.errors=t,n(r,o);var s=i._getValidationFrom(a);s.willUpdateClasses(r,s.el),w.Vue.set(i._scope,a,r)})},t.prototype._manageBaseValidation=function(t,i,e,n,a,o,r,s,l){var d=this._validations[t]=new U(t,i,e,n,a,this,o,s,l);return d.manageElement(n,r),d},t.prototype._unmanageBaseValidation=function(t,i){var e=this._validations[t];e&&(e.unmanageElement(i),w.Vue.delete(this._scope,t),this._validations[t]=null,delete this._validations[t])},t.prototype._manageCheckboxValidation=function(t,i,e,n,a,o,r,s,l){var d=this._checkboxValidations[t];if(!d){d={validation:new B(t,i,e,n,a,this,o,s,l),elements:0},this._checkboxValidations[t]=d}return d.elements++,d.validation.manageElement(n,r),d.validation},t.prototype._unmanageCheckboxValidation=function(t,i){var e=this._checkboxValidations[t];e&&(e.elements--,e.validation.unmanageElement(i),0===e.elements&&(w.Vue.delete(this._scope,t),this._checkboxValidations[t]=null,delete this._checkboxValidations[t]))},t.prototype._manageRadioValidation=function(t,i,e,n,a,o,r,s,l){var d=this._radioValidations[t];if(!d){d={validation:new P(t,i,e,n,a,this,o,s,l),elements:0},this._radioValidations[t]=d}return d.elements++,d.validation.manageElement(n,r),d.validation},t.prototype._unmanageRadioValidation=function(t,i){var e=this._radioValidations[t];e&&(e.elements--,e.validation.unmanageElement(i),0===e.elements&&(w.Vue.delete(this._scope,t),this._radioValidations[t]=null,delete this._radioValidations[t]))},t.prototype._manageSelectValidation=function(t,i,e,n,a,o,r,s,l){var d=this._validations[t]=new T(t,i,e,n,a,this,o,s,l);return d.manageElement(n,r),d},t.prototype._unmanageSelectValidation=function(t,i){
+var e=this._validations[t];e&&(e.unmanageElement(i),w.Vue.delete(this._scope,t),this._validations[t]=null,delete this._validations[t])},t.prototype._fireEvent=function(t){for(var i=arguments.length,e=Array(i>1?i-1:0),n=1;n<i;n++)e[n-1]=arguments[n];var a=this._events[this._getEventName(t)];a&&this._dir.vm.$nextTick(function(){a.apply(null,e)})},t.prototype._fireEvents=function(){var t=this._scope;t.touched&&this._fireEvent("touched"),t.dirty&&this._fireEvent("dirty"),this._modified!==t.modified&&(this._fireEvent("modified",t.modified),this._modified=t.modified);var i=t.valid;this._fireEvent(i?"valid":"invalid")},t.prototype._getEventName=function(t){return this.name+":"+t},t.prototype._defineProperties=function(t,i){var n=this,a=w.Vue.util.bind;e({valid:{fn:this._defineValid,arg:t},invalid:{fn:this._defineInvalid,arg:i},touched:{fn:this._defineTouched,arg:t},untouched:{fn:this._defineUntouched,arg:i},modified:{fn:this._defineModified,arg:t},dirty:{fn:this._defineDirty,arg:t},pristine:{fn:this._definePristine,arg:i},errors:{fn:this._defineErrors,arg:t}},function(t,e){Object.defineProperty(i(),e,{enumerable:!0,configurable:!0,get:function(){return a(t.fn,n)(t.arg)}})})},t.prototype._runValidates=function(t,i){var n=Object.keys(this.validations).length,a=0;e(this.validations,function(e,o){t(e,o,function(){++a>=n&&i()})})},t.prototype._walkValidations=function(t,i,n){var a=this,o=w.Vue.util.hasOwn,r=n;return e(t,function(t,e){if(r!==!n&&o(a._scope,t.field)){var s=a._scope[t.field];s&&s[i]===!n&&(r=!n)}}),r},t.prototype._defineValid=function(t){return this._walkValidations(t(),"valid",!0)},t.prototype._defineInvalid=function(t){return!t().valid},t.prototype._defineTouched=function(t){return this._walkValidations(t(),"touched",!1)},t.prototype._defineUntouched=function(t){return!t().touched},t.prototype._defineModified=function(t){return this._walkValidations(t(),"modified",!1)},t.prototype._defineDirty=function(t){return this._walkValidations(t(),"dirty",!1)},t.prototype._definePristine=function(t){return!t().dirty},t.prototype._defineErrors=function(t){var n=this,a=w.Vue.util.hasOwn,o=w.Vue.util.isPlainObject,r=[];return e(t(),function(t,s){if(a(n._scope,t.field)){var l=n._scope[t.field];l&&!i(l.errors)&&e(l.errors,function(i,e){var n={field:t.field};o(i)?(i.validator&&(n.validator=i.validator),n.message=i.message):"string"==typeof i&&(n.message=i),r.push(n)})}}),i(r)?void 0:r.sort(function(t,i){return t.field<i.field?-1:1})},E(t,[{key:"validations",get:function(){var t=w.Vue.util.extend,i={};return t(i,this._validations),e(this._checkboxValidations,function(t,e){i[e]=t.validation}),e(this._radioValidations,function(t,e){i[e]=t.validation}),i}}]),t}();return b.version="2.1.7","undefined"!=typeof window&&window.Vue&&window.Vue.use(b),b});
\ No newline at end of file
diff --git a/example/reset/single/index.html b/example/reset/single/index.html
new file mode 100644
index 0000000..10a3ee4
--- /dev/null
+++ b/example/reset/single/index.html
@@ -0,0 +1,51 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <meta charset="utf-8">
+    <title>validation result resetting example</title>
+    <script src="../../../node_modules/vue/dist/vue.min.js"></script>
+    <script src="../../../dist/vue-validator.min.js"></script>
+    <style>
+      .errors { color: red; }
+    </style>
+  </head>
+  <body>
+    <div id="app">
+      <validator name="validation1">
+        <form novalidate>
+          <div class="username-field">
+            <label for="username">username:</label>
+            <input id="username" type="text" v-validate:username="['required']">
+            <button type="button" @click="onReset('username')">Reset Validation</button>
+          </div>
+          <div class="password-field">
+            <label for="password">password:</label>
+            <input id="password" type="password" v-validate:password="{ required: true, maxlength: 15 }">
+            <button type="button" @click="onReset('password')">Reset Validation</button>
+          </div>
+          <div class="errors">
+            <p v-if="$validation1.username.required">Your name is required.</p>
+            <p v-if="$validation1.password.required">Your password is required.</p>
+            <p v-if="$validation1.password.maxlength">Your password is too long.</p>
+          </div>
+          <input type="submit" value="send" v-if="$validation1.valid">
+          <button type="button" @click="onResetAll">Reset Validation</button>
+        </form>
+        <pre>{{ $validation1 | json }}</pre>
+      </validator>
+    </div>
+    <script>
+      new Vue({
+        el: '#app',
+        methods: {
+          onReset: function (field) {
+            this.$resetField(field)
+          },
+          onResetAll: function () {
+            this.$resetValidation()
+          }
+        }
+      })
+    </script>
+  </body>
+</html>
diff --git a/src/validator.js b/src/validator.js
index b69598e..ff95a24 100644
--- a/src/validator.js
+++ b/src/validator.js
@@ -41,6 +41,9 @@ export default class Validator {
     // define the validation resetting meta method to vue instance
     this._defineResetValidation()
 
+    // define the validation resetting for a single field
+    this._defineResetField()
+
     // define the validate manually meta method to vue instance
     this._defineValidate()
 
@@ -56,6 +59,8 @@ export default class Validator {
     delete vm['$validate']
     vm.$resetValidation = null
     delete vm['$resetValidation']
+    vm.$resetField = null
+    delete vm['$resetField']
     vm._validatorMaps[this.name] = null
     delete vm._validatorMaps[this.name]
     vm[this.name] = null
@@ -193,6 +198,23 @@ export default class Validator {
     }
   }
 
+  _defineResetField () {
+    this._dir.vm.$resetField = (...args) => {
+      let field = null
+      let cb = null
+
+      each(args, (arg, index) => {
+        if (typeof arg === 'string') {
+          field = arg
+        } else if (typeof arg === 'function') {
+          cb = arg
+        }
+      })
+
+      this._resetField(field, cb)
+    }
+  }
+
   _defineValidate () {
     this._dir.vm.$validate = (...args) => {
       let field = null
@@ -255,6 +277,14 @@ export default class Validator {
       || (this._radioValidations[field] && this._radioValidations[field].validation)
   }
 
+  _resetField (field, cb) {
+    var validation = this._getValidationFrom(field)
+    if (validation) {
+      validation.reset()
+    }
+    this._validates(cb)
+  }
+
   _resetValidation (cb) {
     each(this.validations, (validation, key) => {
       validation.reset()
diff --git a/test/specs/index.js b/test/specs/index.js
index 634377e..4b78382 100644
--- a/test/specs/index.js
+++ b/test/specs/index.js
@@ -30,6 +30,7 @@ require('./checkbox')
 require('./radio')
 require('./select')
 require('./reset')
+require('./reset-single')
 require('./validate')
 require('./initial')
 require('./async')
diff --git a/test/specs/issues.js b/test/specs/issues.js
index 83a4278..a2b4e1b 100644
--- a/test/specs/issues.js
+++ b/test/specs/issues.js
@@ -212,8 +212,8 @@ describe('github issues', () => {
         trigger(foo, 'blur')
         vm.$nextTick(() => {
           assert(vm.$validator1.field1.required === false)
-          assert(vm.$validator1.field1.minlength === true)
-          assert(vm.$validator1.field1.valid === false)
+          assert(vm.$validator1.field1.minlength === false)
+          assert(vm.$validator1.field1.valid === true)
           assert(vm.$validator1.field1.touched === true)
           assert(vm.$validator1.field1.dirty === true)
           assert(vm.$validator1.field1.modified === true)
diff --git a/test/specs/reset-single.js b/test/specs/reset-single.js
new file mode 100644
index 0000000..b9eb9cc
--- /dev/null
+++ b/test/specs/reset-single.js
@@ -0,0 +1,264 @@
+import assert from 'power-assert'
+import Vue from 'vue'
+import { trigger } from '../../src/util'
+
+
+describe('reset single field', () => {
+  let el, vm
+
+  beforeEach(() => {
+    el = document.createElement('div')
+  })
+
+
+  describe('text', () => {
+    beforeEach((done) => {
+      el.innerHTML = `
+        <validator name="validator1">
+          <form novalidate>
+            <input type="number" v-validate:field1="{ required: true, min: 0, max: 10 }">
+            <input type="text" value="hello" v-validate:field2="{ minlength: 4 }">
+          </form>
+        </validator>
+      `
+      vm = new Vue({ el })
+      vm.$nextTick(done)
+    })
+
+    it('should be reset', (done) => {
+      assert(vm.$validator1.field1.required)
+      assert(vm.$validator1.field1.min === false)
+      assert(vm.$validator1.field1.max === false)
+      assert(vm.$validator1.field1.valid === false)
+      assert(vm.$validator1.field1.dirty === false)
+      assert(vm.$validator1.field1.modified === false)
+      assert(vm.$validator1.field1.touched === false)
+      assert(vm.$validator1.field2.minlength === false)
+      assert(vm.$validator1.field2.valid === true)
+      assert(vm.$validator1.field2.dirty === false)
+      assert(vm.$validator1.field2.modified === false)
+      assert(vm.$validator1.field2.touched === false)
+      assert(vm.$validator1.valid === false)
+      assert(vm.$validator1.dirty === false)
+      assert(vm.$validator1.modified === false)
+      assert(vm.$validator1.touched === false)
+      // change
+      const field1 = el.getElementsByTagName('input')[0]
+      const field2 = el.getElementsByTagName('input')[1]
+      field1.value = '200'
+      field2.value = 'World'
+      trigger(field1, 'input')
+      trigger(field1, 'blur')
+      trigger(field2, 'input')
+      trigger(field2, 'blur')
+      vm.$nextTick(() => {
+        // reset
+        vm.$resetField('field1', () => {
+          assert(vm.$validator1.field1.required === false)
+          assert(vm.$validator1.field1.min === false)
+          assert(vm.$validator1.field1.max === true)
+          assert(vm.$validator1.field1.valid === false)
+          assert(vm.$validator1.field1.dirty === false)
+          assert(vm.$validator1.field1.modified === false)
+          assert(vm.$validator1.field1.touched === false)
+          assert(vm.$validator1.field2.minlength === false)
+          assert(vm.$validator1.field2.valid === true)
+          assert(vm.$validator1.field2.dirty === true)
+          assert(vm.$validator1.field2.modified === true)
+          assert(vm.$validator1.field2.touched === true)
+          assert(vm.$validator1.valid === false)
+          assert(vm.$validator1.dirty === true)
+          assert(vm.$validator1.modified === true)
+          assert(vm.$validator1.touched === true)
+          done()
+        })
+      })
+    })
+  })
+
+
+  describe('checkbox', () => {
+    beforeEach((done) => {
+      el.innerHTML = `
+        <validator name="validator1">
+          <form novalidate>
+            <input type="checkbox" value="foo" v-validate:field1="{ required: true, minlength: 1 }">
+            <input type="checkbox" value="bar" v-validate:field1>
+          </form>
+        </validator>
+      `
+      vm = new Vue({ el })
+      vm.$nextTick(done)
+    })
+
+    it('should be reset', (done) => {
+      assert(vm.$validator1.field1.required)
+      assert(vm.$validator1.field1.minlength === true)
+      assert(vm.$validator1.field1.valid === false)
+      assert(vm.$validator1.field1.touched === false)
+      assert(vm.$validator1.field1.dirty === false)
+      assert(vm.$validator1.field1.modified === false)
+      assert(vm.$validator1.valid === false)
+      assert(vm.$validator1.dirty === false)
+      assert(vm.$validator1.modified === false)
+      assert(vm.$validator1.touched === false)
+      // change
+      const checkbox1 = el.getElementsByTagName('input')[0]
+      const checkbox2 = el.getElementsByTagName('input')[1]
+      checkbox1.checked = true
+      checkbox2.checked = true
+      trigger(checkbox1, 'change')
+      trigger(checkbox1, 'blur')
+      trigger(checkbox2, 'change')
+      trigger(checkbox2, 'blur')
+      vm.$nextTick(() => {
+        // reset
+        vm.$resetField('field1', () => {
+          assert(vm.$validator1.field1.required === false)
+          assert(vm.$validator1.field1.minlength === false)
+          assert(vm.$validator1.field1.valid === true)
+          assert(vm.$validator1.field1.touched === false)
+          assert(vm.$validator1.field1.dirty === false)
+          assert(vm.$validator1.field1.modified === false)
+          assert(vm.$validator1.valid === true)
+          assert(vm.$validator1.dirty === false)
+          assert(vm.$validator1.modified === false)
+          assert(vm.$validator1.touched === false)
+          done()
+        })
+      })
+    })
+  })
+
+
+  describe('radio', () => {
+    beforeEach((done) => {
+      el.innerHTML = `
+        <validator name="validator1">
+          <form novalidate>
+            <fieldset>
+              <label for="radio1">radio1</label>
+              <input type="radio" id="radio1" name="r1" checked value="foo" v-validate:field1="{ required: true }">
+              <label for="radio2">radio2</label>
+              <input type="radio" id="radio2" name="r1" value="bar" v-validate:field1>
+            </fieldset>
+            <fieldset>
+              <label for="radio3">radio3</label>
+              <input type="radio" id="radio3" name="r2" value="buz" v-validate:field2="{ required: true }">
+              <label for="radio4">radio4</label>
+              <input type="radio" id="radio4" name="r2" value="hoge" v-validate:field2>
+            </fieldset>
+          </form>
+        </validator>
+      `
+      vm = new Vue({ el })
+      vm.$nextTick(done)
+    })
+
+    it('should be reset', (done) => {
+      // default
+      assert(vm.$validator1.field1.required === false)
+      assert(vm.$validator1.field1.valid === true)
+      assert(vm.$validator1.field1.touched === false)
+      assert(vm.$validator1.field1.dirty === false)
+      assert(vm.$validator1.field1.modified === false)
+      assert(vm.$validator1.field2.required)
+      assert(vm.$validator1.field2.valid === false)
+      assert(vm.$validator1.field2.touched === false)
+      assert(vm.$validator1.field2.dirty === false)
+      assert(vm.$validator1.field2.modified === false)
+      assert(vm.$validator1.valid === false)
+      assert(vm.$validator1.touched === false)
+      assert(vm.$validator1.dirty === false)
+      assert(vm.$validator1.modified === false)
+      // change
+      const radio2 = el.getElementsByTagName('input')[1]
+      const radio3 = el.getElementsByTagName('input')[2]
+      radio2.checked = true
+      radio3.checked = true
+      trigger(radio2, 'change')
+      trigger(radio2, 'blur')
+      trigger(radio3, 'change')
+      trigger(radio3, 'blur')
+      vm.$nextTick(() => {
+        // reset
+        vm.$resetField('field1', () => {
+          assert(vm.$validator1.field1.required === false)
+          assert(vm.$validator1.field1.valid === true)
+          assert(vm.$validator1.field1.touched === false)
+          assert(vm.$validator1.field1.dirty === false)
+          assert(vm.$validator1.field1.modified === false)
+          assert(vm.$validator1.field2.required === false)
+          assert(vm.$validator1.field2.valid === true)
+          assert(vm.$validator1.field2.touched === true)
+          assert(vm.$validator1.field2.dirty === true)
+          assert(vm.$validator1.field2.modified === true)
+          assert(vm.$validator1.valid === true)
+          assert(vm.$validator1.touched === true)
+          assert(vm.$validator1.dirty === true)
+          assert(vm.$validator1.modified === true)
+          done()
+        })
+      })
+    })
+  })
+
+
+  describe('select', () => {
+    beforeEach((done) => {
+      el.innerHTML = `
+        <validator name="validator1">
+          <form novalidate>
+            <select multiple v-validate:lang="{ required: true, minlength: 2 }">
+              <option value="en">english</option>
+              <option value="ja">japanese</option>
+              <option value="zh">chinese</option>
+              <option value="fr">french</option>
+              <option value="de">German</option>
+            </select>
+          </form>
+        </validator>
+      `
+      vm = new Vue({ el })
+      vm.$nextTick(done)
+    })
+
+    it('should be reset', (done) => {
+      // default
+      assert(vm.$validator1.lang.required)
+      assert(vm.$validator1.lang.minlength === true)
+      assert(vm.$validator1.lang.valid === false)
+      assert(vm.$validator1.lang.touched === false)
+      assert(vm.$validator1.lang.dirty === false)
+      assert(vm.$validator1.lang.modified === false)
+      assert(vm.$validator1.valid === false)
+      assert(vm.$validator1.touched === false)
+      assert(vm.$validator1.dirty === false)
+      assert(vm.$validator1.modified === false)
+      // change
+      const select = el.getElementsByTagName('select')[0]
+      const option2 = el.getElementsByTagName('option')[1]
+      const option3 = el.getElementsByTagName('option')[2]
+      option2.selected = true
+      option3.selected = true
+      trigger(select, 'change')
+      trigger(select, 'blur')
+      vm.$nextTick(() => {
+        // reset
+        vm.$resetField('lang', () => {
+          assert(vm.$validator1.lang.required === false)
+          assert(vm.$validator1.lang.minlength === false)
+          assert(vm.$validator1.lang.valid === true)
+          assert(vm.$validator1.lang.touched === false)
+          assert(vm.$validator1.lang.dirty === false)
+          assert(vm.$validator1.lang.modified === false)
+          assert(vm.$validator1.valid === true)
+          assert(vm.$validator1.touched === false)
+          assert(vm.$validator1.dirty === false)
+          assert(vm.$validator1.modified === false)
+          done()
+        })
+      })
+    })
+  })
+})