@precision-nutrition/vee-validate/dist/vee-validate.esm.js

Simple Vue.js input validation plugin

/**
  * vee-validate v2.1.8
  * (c) 2018 Abdelrahman Awad
  * @license MIT
  */
// 

var isTextInput = function (el) {
  return includes(['text', 'password', 'search', 'email', 'tel', 'url', 'textarea', 'number'], el.type);
};

var isCheckboxOrRadioInput = function (el) {
  return includes(['radio', 'checkbox'], el.type);
};

var isDateInput = function (el) {
  return includes(['date', 'week', 'month', 'datetime-local', 'time'], el.type);
};

/**
 * Gets the data attribute. the name must be kebab-case.
 */
var getDataAttribute = function (el, name) { return el.getAttribute(("data-vv-" + name)); };

/**
 * Checks if the values are either null or undefined.
 */
var isNullOrUndefined = function () {
  var values = [], len = arguments.length;
  while ( len-- ) values[ len ] = arguments[ len ];

  return values.every(function (value) {
    return value === null || value === undefined;
  });
};

/**
 * Creates the default flags object.
 */
var createFlags = function () { return ({
  untouched: true,
  touched: false,
  dirty: false,
  pristine: true,
  valid: null,
  invalid: null,
  validated: false,
  pending: false,
  required: false,
  changed: false
}); };

/**
 * Shallow object comparison.
 */
var isEqual = function (lhs, rhs) {
  if (lhs instanceof RegExp && rhs instanceof RegExp) {
    return isEqual(lhs.source, rhs.source) && isEqual(lhs.flags, rhs.flags);
  }

  if (Array.isArray(lhs) && Array.isArray(rhs)) {
    if (lhs.length !== rhs.length) { return false; }

    for (var i = 0; i < lhs.length; i++) {
      if (!isEqual(lhs[i], rhs[i])) {
        return false;
      }
    }

    return true;
  }

  // if both are objects, compare each key recursively.
  if (isObject(lhs) && isObject(rhs)) {
    return Object.keys(lhs).every(function (key) {
      return isEqual(lhs[key], rhs[key]);
    }) && Object.keys(rhs).every(function (key) {
      return isEqual(lhs[key], rhs[key]);
    });
  }

  return lhs === rhs;
};

/**
 * Determines the input field scope.
 */
var getScope = function (el) {
  var scope = getDataAttribute(el, 'scope');
  if (isNullOrUndefined(scope)) {
    var form = getForm(el);

    if (form) {
      scope = getDataAttribute(form, 'scope');
    }
  }

  return !isNullOrUndefined(scope) ? scope : null;
};

/**
 * Get the closest form element.
 */
var getForm = function (el) {
  if (isNullOrUndefined(el)) { return null; }

  if (el.tagName === 'FORM') { return el; }

  if (!isNullOrUndefined(el.form)) { return el.form; }

  return !isNullOrUndefined(el.parentNode) ? getForm(el.parentNode) : null;
};

/**
 * Gets the value in an object safely.
 */
var getPath = function (path, target, def) {
  if ( def === void 0 ) def = undefined;

  if (!path || !target) { return def; }

  var value = target;
  path.split('.').every(function (prop) {
    if (prop in value) {
      value = value[prop];

      return true;
    }

    value = def;

    return false;
  });

  return value;
};

/**
 * Checks if path exists within an object.
 */
var hasPath = function (path, target) {
  var obj = target;
  return path.split('.').every(function (prop) {
    if (prop in obj) {
      obj = obj[prop];

      return true;
    }

    return false;
  });
};

/**
 * Parses a rule string expression.
 */
var parseRule = function (rule) {
  var params = [];
  var name = rule.split(':')[0];

  if (includes(rule, ':')) {
    params = rule.split(':').slice(1).join(':').split(',');
  }

  return { name: name, params: params };
};

/**
 * Debounces a function.
 */
var debounce = function (fn, wait, token) {
  if ( wait === void 0 ) wait = 0;
  if ( token === void 0 ) token = { cancelled: false };

  if (wait === 0) {
    return fn;
  }

  var timeout;

  return function () {
    var args = [], len = arguments.length;
    while ( len-- ) args[ len ] = arguments[ len ];

    var later = function () {
      timeout = null;

      // check if the fn call was cancelled.
      if (!token.cancelled) { fn.apply(void 0, args); }
    };

    clearTimeout(timeout);
    timeout = setTimeout(later, wait);
    if (!timeout) { fn.apply(void 0, args); }
  };
};

/**
 * Appends a rule definition to a list of rules.
 */
var appendRule = function (rule, rules) {
  if (!rules) {
    return normalizeRules(rule);
  }

  if (!rule) {
    return normalizeRules(rules);
  }

  if (typeof rules === 'string') {
    rules = normalizeRules(rules);
  }

  return assign({}, rules, normalizeRules(rule));
};

/**
 * Normalizes the given rules expression.
 */
var normalizeRules = function (rules) {
  // if falsy value return an empty object.
  if (!rules) {
    return {};
  }

  if (isObject(rules)) {
    // $FlowFixMe
    return Object.keys(rules).reduce(function (prev, curr) {
      var params = [];
      // $FlowFixMe
      if (rules[curr] === true) {
        params = [];
      } else if (Array.isArray(rules[curr])) {
        params = rules[curr];
      } else if (isObject(rules[curr])) {
        params = rules[curr];
      } else {
        params = [rules[curr]];
      }

      // $FlowFixMe
      if (rules[curr] !== false) {
        prev[curr] = params;
      }

      return prev;
    }, {});
  }

  if (typeof rules !== 'string') {
    warn('rules must be either a string or an object.');
    return {};
  }

  return rules.split('|').reduce(function (prev, rule) {
    var parsedRule = parseRule(rule);
    if (!parsedRule.name) {
      return prev;
    }

    prev[parsedRule.name] = parsedRule.params;
    return prev;
  }, {});
};

/**
 * Emits a warning to the console.
 */
var warn = function (message) {
  console.warn(("[vee-validate] " + message)); // eslint-disable-line
};

/**
 * Creates a branded error object.
 */
var createError = function (message) { return new Error(("[vee-validate] " + message)); };

/**
 * Checks if the value is an object.
 */
var isObject = function (obj) { return obj !== null && obj && typeof obj === 'object' && ! Array.isArray(obj); };

/**
 * Checks if a function is callable.
 */
var isCallable = function (func) { return typeof func === 'function'; };

/**
 * Check if element has the css class on it.
 */
var hasClass = function (el, className) {
  if (el.classList) {
    return el.classList.contains(className);
  }

  return !!el.className.match(new RegExp(("(\\s|^)" + className + "(\\s|$)")));
};

/**
 * Adds the provided css className to the element.
 */
var addClass = function (el, className) {
  if (el.classList) {
    el.classList.add(className);
    return;
  }

  if (!hasClass(el, className)) {
    el.className += " " + className;
  }
};

/**
 * Remove the provided css className from the element.
 */
var removeClass = function (el, className) {
  if (el.classList) {
    el.classList.remove(className);
    return;
  }

  if (hasClass(el, className)) {
    var reg = new RegExp(("(\\s|^)" + className + "(\\s|$)"));
    el.className = el.className.replace(reg, ' ');
  }
};

/**
 * Adds or removes a class name on the input depending on the status flag.
 */
var toggleClass = function (el, className, status) {
  if (!el || !className) { return; }

  if (Array.isArray(className)) {
    className.forEach(function (item) { return toggleClass(el, item, status); });
    return;
  }

  if (status) {
    return addClass(el, className);
  }

  removeClass(el, className);
};

/**
 * Converts an array-like object to array, provides a simple polyfill for Array.from
 */
var toArray = function (arrayLike) {
  if (isCallable(Array.from)) {
    return Array.from(arrayLike);
  }

  var array = [];
  var length = arrayLike.length;
  /* istanbul ignore next */
  for (var i = 0; i < length; i++) {
    array.push(arrayLike[i]);
  }

  /* istanbul ignore next */
  return array;
};

/**
 * Assign polyfill from the mdn.
 */
var assign = function (target) {
  var others = [], len = arguments.length - 1;
  while ( len-- > 0 ) others[ len ] = arguments[ len + 1 ];

  /* istanbul ignore else */
  if (isCallable(Object.assign)) {
    return Object.assign.apply(Object, [ target ].concat( others ));
  }

  /* istanbul ignore next */
  if (target == null) {
    throw new TypeError('Cannot convert undefined or null to object');
  }

  /* istanbul ignore next */
  var to = Object(target);
  /* istanbul ignore next */
  others.forEach(function (arg) {
    // Skip over if undefined or null
    if (arg != null) {
      Object.keys(arg).forEach(function (key) {
        to[key] = arg[key];
      });
    }
  });
  /* istanbul ignore next */
  return to;
};

var id = 0;
var idTemplate = '{id}';

/**
 * Generates a unique id.
 */
var uniqId = function () {
  // handle too many uses of uniqId, although unlikely.
  if (id >= 9999) {
    id = 0;
    // shift the template.
    idTemplate = idTemplate.replace('{id}', '_{id}');
  }

  id++;
  var newId = idTemplate.replace('{id}', String(id));

  return newId;
};

/**
 * finds the first element that satisfies the predicate callback, polyfills array.find
 */
var find = function (arrayLike, predicate) {
  var array = Array.isArray(arrayLike) ? arrayLike : toArray(arrayLike);
  for (var i = 0; i < array.length; i++) {
    if (predicate(array[i])) {
      return array[i];
    }
  }

  return undefined;
};

var isBuiltInComponent = function (vnode) {
  if (!vnode) {
    return false;
  }

  var tag = vnode.componentOptions.tag;

  return /^(keep-alive|transition|transition-group)$/.test(tag);
};

var makeDelayObject = function (events, delay, delayConfig) {
  if (typeof delay === 'number') {
    return events.reduce(function (prev, e) {
      prev[e] = delay;
      return prev;
    }, {});
  }

  return events.reduce(function (prev, e) {
    if (typeof delay === 'object' && e in delay) {
      prev[e] = delay[e];
      return prev;
    }

    if (typeof delayConfig === 'number') {
      prev[e] = delayConfig;
      return prev;
    }

    prev[e] = (delayConfig && delayConfig[e]) || 0;

    return prev;
  }, {});
};

var deepParseInt = function (input) {
  if (typeof input === 'number') { return input; }

  if (typeof input === 'string') { return parseInt(input); }

  var map = {};
  for (var element in input) {
    map[element] = parseInt(input[element]);
  }

  return map;
};

var merge = function (target, source) {
  if (! (isObject(target) && isObject(source))) {
    return target;
  }

  Object.keys(source).forEach(function (key) {
    var obj, obj$1;

    if (isObject(source[key])) {
      if (! target[key]) {
        assign(target, ( obj = {}, obj[key] = {}, obj ));
      }

      merge(target[key], source[key]);
      return;
    }

    assign(target, ( obj$1 = {}, obj$1[key] = source[key], obj$1 ));
  });

  return target;
};

var fillRulesFromElement = function (el, rules) {
  if (el.required) {
    rules = appendRule('required', rules);
  }

  if (isTextInput(el)) {
    if (el.type === 'email') {
      rules = appendRule(("email" + (el.multiple ? ':multiple' : '')), rules);
    }

    if (el.pattern) {
      rules = appendRule({ regex: el.pattern }, rules);
    }

    // 524288 is the max on some browsers and test environments.
    if (el.maxLength >= 0 && el.maxLength < 524288) {
      rules = appendRule(("max:" + (el.maxLength)), rules);
    }

    if (el.minLength > 0) {
      rules = appendRule(("min:" + (el.minLength)), rules);
    }

    if (el.type === 'number') {
      rules = appendRule('decimal', rules);
      if (el.min !== '') {
        rules = appendRule(("min_value:" + (el.min)), rules);
      }

      if (el.max !== '') {
        rules = appendRule(("max_value:" + (el.max)), rules);
      }
    }

    return rules;
  }

  if (isDateInput(el)) {
    var timeFormat = el.step && Number(el.step) < 60 ? 'HH:mm:ss' : 'HH:mm';

    if (el.type === 'date') {
      return appendRule('date_format:YYYY-MM-DD', rules);
    }

    if (el.type === 'datetime-local') {
      return appendRule(("date_format:YYYY-MM-DDT" + timeFormat), rules);
    }

    if (el.type === 'month') {
      return appendRule('date_format:YYYY-MM', rules);
    }

    if (el.type === 'week') {
      return appendRule('date_format:YYYY-[W]WW', rules);
    }

    if (el.type === 'time') {
      return appendRule(("date_format:" + timeFormat), rules);
    }
  }

  return rules;
};

var values = function (obj) {
  if (isCallable(Object.values)) {
    return Object.values(obj);
  }

  // fallback to keys()
  /* istanbul ignore next */
  return Object.keys(obj).map(function (k) { return obj[k]; });
};

var parseSelector = function (selector) {
  var rule = null;
  if (includes(selector, ':')) {
    rule = selector.split(':').pop();
    selector = selector.replace((":" + rule), '');
  }

  if (selector[0] === '#') {
    return {
      id: selector.slice(1),
      rule: rule,
      name: null,
      scope: null
    };
  }

  var scope = null;
  var name = selector;
  if (includes(selector, '.')) {
    var parts = selector.split('.');
    scope = parts[0];
    name = parts.slice(1).join('.');
  }

  return {
    id: null,
    scope: scope,
    name: name,
    rule: rule
  };
};

var includes = function (collection, item) {
  return collection.indexOf(item) !== -1;
};

var isEmptyArray = function (arr) {
  return Array.isArray(arr) && arr.length === 0;
};

// 

var LOCALE = 'en';

var Dictionary = function Dictionary (dictionary) {
  if ( dictionary === void 0 ) dictionary = {};

  this.container = {};
  this.merge(dictionary);
};

var prototypeAccessors = { locale: { configurable: true } };

prototypeAccessors.locale.get = function () {
  return LOCALE;
};

prototypeAccessors.locale.set = function (value) {
  LOCALE = value || 'en';
};

Dictionary.prototype.hasLocale = function hasLocale (locale) {
  return !!this.container[locale];
};

Dictionary.prototype.setDateFormat = function setDateFormat (locale, format) {
  if (!this.container[locale]) {
    this.container[locale] = {};
  }

  this.container[locale].dateFormat = format;
};

Dictionary.prototype.getDateFormat = function getDateFormat (locale) {
  if (!this.container[locale] || !this.container[locale].dateFormat) {
    return null;
  }

  return this.container[locale].dateFormat;
};

Dictionary.prototype.getMessage = function getMessage (locale, key, data) {
  var message = null;
  if (!this.hasMessage(locale, key)) {
    message = this._getDefaultMessage(locale);
  } else {
    message = this.container[locale].messages[key];
  }

  return isCallable(message) ? message.apply(void 0, data) : message;
};

/**
 * Gets a specific message for field. falls back to the rule message.
 */
Dictionary.prototype.getFieldMessage = function getFieldMessage (locale, field, key, data) {
  if (!this.hasLocale(locale)) {
    return this.getMessage(locale, key, data);
  }

  var dict = this.container[locale].custom && this.container[locale].custom[field];
  if (!dict || !dict[key]) {
    return this.getMessage(locale, key, data);
  }

  var message = dict[key];
  return isCallable(message) ? message.apply(void 0, data) : message;
};

Dictionary.prototype._getDefaultMessage = function _getDefaultMessage (locale) {
  if (this.hasMessage(locale, '_default')) {
    return this.container[locale].messages._default;
  }

  return this.container.en.messages._default;
};

Dictionary.prototype.getAttribute = function getAttribute (locale, key, fallback) {
    if ( fallback === void 0 ) fallback = '';

  if (!this.hasAttribute(locale, key)) {
    return fallback;
  }

  return this.container[locale].attributes[key];
};

Dictionary.prototype.hasMessage = function hasMessage (locale, key) {
  return !! (
    this.hasLocale(locale) &&
          this.container[locale].messages &&
          this.container[locale].messages[key]
  );
};

Dictionary.prototype.hasAttribute = function hasAttribute (locale, key) {
  return !! (
    this.hasLocale(locale) &&
          this.container[locale].attributes &&
          this.container[locale].attributes[key]
  );
};

Dictionary.prototype.merge = function merge$1 (dictionary) {
  merge(this.container, dictionary);
};

Dictionary.prototype.setMessage = function setMessage (locale, key, message) {
  if (! this.hasLocale(locale)) {
    this.container[locale] = {
      messages: {},
      attributes: {}
    };
  }

  this.container[locale].messages[key] = message;
};

Dictionary.prototype.setAttribute = function setAttribute (locale, key, attribute) {
  if (! this.hasLocale(locale)) {
    this.container[locale] = {
      messages: {},
      attributes: {}
    };
  }

  this.container[locale].attributes[key] = attribute;
};

Object.defineProperties( Dictionary.prototype, prototypeAccessors );

var drivers = {
  default: new Dictionary({
    en: {
      messages: {},
      attributes: {},
      custom: {}
    }
  })
};

var currentDriver = 'default';

var DictionaryResolver = function DictionaryResolver () {};

DictionaryResolver._checkDriverName = function _checkDriverName (driver) {
  if (!driver) {
    throw createError('you must provide a name to the dictionary driver');
  }
};

DictionaryResolver.setDriver = function setDriver (driver, implementation) {
    if ( implementation === void 0 ) implementation = null;

  this._checkDriverName(driver);
  if (implementation) {
    drivers[driver] = implementation;
  }

  currentDriver = driver;
};

DictionaryResolver.getDriver = function getDriver () {
  return drivers[currentDriver];
};

// 

var ErrorBag = function ErrorBag (errorBag, id) {
  if ( errorBag === void 0 ) errorBag = null;
  if ( id === void 0 ) id = null;

  this.vmId = id || null;
  // make this bag a mirror of the provided one, sharing the same items reference.
  if (errorBag && errorBag instanceof ErrorBag) {
    this.items = errorBag.items;
  } else {
    this.items = [];
  }
};

ErrorBag.prototype[typeof Symbol === 'function' ? Symbol.iterator : '@@iterator'] = function () {
    var this$1 = this;

  var index = 0;
  return {
    next: function () {
      return { value: this$1.items[index++], done: index > this$1.items.length };
    }
  };
};

/**
 * Adds an error to the internal array.
 */
ErrorBag.prototype.add = function add (error) {
    var ref;

  (ref = this.items).push.apply(
    ref, this._normalizeError(error)
  );
};

/**
 * Normalizes passed errors to an error array.
 */
ErrorBag.prototype._normalizeError = function _normalizeError (error) {
    var this$1 = this;

  if (Array.isArray(error)) {
    return error.map(function (e) {
      e.scope = !isNullOrUndefined(e.scope) ? e.scope : null;
      e.vmId = !isNullOrUndefined(e.vmId) ? e.vmId : (this$1.vmId || null);

      return e;
    });
  }

  error.scope = !isNullOrUndefined(error.scope) ? error.scope : null;
  error.vmId = !isNullOrUndefined(error.vmId) ? error.vmId : (this.vmId || null);

  return [error];
};

/**
 * Regenrates error messages if they have a generator function.
 */
ErrorBag.prototype.regenerate = function regenerate () {
  this.items.forEach(function (i) {
    i.msg = isCallable(i.regenerate) ? i.regenerate() : i.msg;
  });
};

/**
 * Updates a field error with the new field scope.
 */
ErrorBag.prototype.update = function update (id, error) {
  var item = find(this.items, function (i) { return i.id === id; });
  if (!item) {
    return;
  }

  var idx = this.items.indexOf(item);
  this.items.splice(idx, 1);
  item.scope = error.scope;
  this.items.push(item);
};

/**
 * Gets all error messages from the internal array.
 */
ErrorBag.prototype.all = function all (scope) {
    var this$1 = this;

  var filterFn = function (item) {
    var matchesScope = true;
    var matchesVM = true;
    if (!isNullOrUndefined(scope)) {
      matchesScope = item.scope === scope;
    }

    if (!isNullOrUndefined(this$1.vmId)) {
      matchesVM = item.vmId === this$1.vmId;
    }

    return matchesVM && matchesScope;
  };

  return this.items.filter(filterFn).map(function (e) { return e.msg; });
};

/**
 * Checks if there are any errors in the internal array.
 */
ErrorBag.prototype.any = function any (scope) {
    var this$1 = this;

  var filterFn = function (item) {
    var matchesScope = true;
    var matchesVM = true;
    if (!isNullOrUndefined(scope)) {
      matchesScope = item.scope === scope;
    }

    if (!isNullOrUndefined(this$1.vmId)) {
      matchesVM = item.vmId === this$1.vmId;
    }

    return matchesVM && matchesScope;
  };

  return !!this.items.filter(filterFn).length;
};

/**
 * Removes all items from the internal array.
 */
ErrorBag.prototype.clear = function clear (scope) {
    var this$1 = this;

  var matchesVM = isNullOrUndefined(this.vmId) ? function () { return true; } : function (i) { return i.vmId === this$1.vmId; };
  if (isNullOrUndefined(scope)) {
    scope = null;
  }

  for (var i = 0; i < this.items.length; ++i) {
    if (matchesVM(this.items[i]) && this.items[i].scope === scope) {
      this.items.splice(i, 1);
      --i;
    }
  }
};

/**
 * Collects errors into groups or for a specific field.
 */
ErrorBag.prototype.collect = function collect (field, scope, map) {
    var this$1 = this;
    if ( map === void 0 ) map = true;

  var isSingleField = !isNullOrUndefined(field) && !field.includes('*');
  var groupErrors = function (items) {
    var errors = items.reduce(function (collection, error) {
      if (!isNullOrUndefined(this$1.vmId) && error.vmId !== this$1.vmId) {
        return collection;
      }

      if (!collection[error.field]) {
        collection[error.field] = [];
      }

      collection[error.field].push(map ? error.msg : error);

      return collection;
    }, {});

    // reduce the collection to be a single array.
    if (isSingleField) {
      return values(errors)[0] || [];
    }

    return errors;
  };

  if (isNullOrUndefined(field)) {
    return groupErrors(this.items);
  }

  var selector = isNullOrUndefined(scope) ? String(field) : (scope + "." + field);
  var ref = this._makeCandidateFilters(selector);
    var isPrimary = ref.isPrimary;
    var isAlt = ref.isAlt;

  var collected = this.items.reduce(function (prev, curr) {
    if (isPrimary(curr)) {
      prev.primary.push(curr);
    }

    if (isAlt(curr)) {
      prev.alt.push(curr);
    }

    return prev;
  }, { primary: [], alt: [] });

  collected = collected.primary.length ? collected.primary : collected.alt;

  return groupErrors(collected);
};

/**
 * Gets the internal array length.
 */
ErrorBag.prototype.count = function count () {
    var this$1 = this;

  if (this.vmId) {
    return this.items.filter(function (e) { return e.vmId === this$1.vmId; }).length;
  }

  return this.items.length;
};

/**
 * Finds and fetches the first error message for the specified field id.
 */
ErrorBag.prototype.firstById = function firstById (id) {
  var error = find(this.items, function (i) { return i.id === id; });

  return error ? error.msg : undefined;
};

/**
 * Gets the first error message for a specific field.
 */
ErrorBag.prototype.first = function first (field, scope) {
    if ( scope === void 0 ) scope = null;

  var selector = isNullOrUndefined(scope) ? field : (scope + "." + field);
  var match = this._match(selector);

  return match && match.msg;
};

/**
 * Returns the first error rule for the specified field
 */
ErrorBag.prototype.firstRule = function firstRule (field, scope) {
  var errors = this.collect(field, scope, false);

  return (errors.length && errors[0].rule) || undefined;
};

/**
 * Checks if the internal array has at least one error for the specified field.
 */
ErrorBag.prototype.has = function has (field, scope) {
    if ( scope === void 0 ) scope = null;

  return !!this.first(field, scope);
};

/**
 * Gets the first error message for a specific field and a rule.
 */
ErrorBag.prototype.firstByRule = function firstByRule (name, rule, scope) {
    if ( scope === void 0 ) scope = null;

  var error = this.collect(name, scope, false).filter(function (e) { return e.rule === rule; })[0];

  return (error && error.msg) || undefined;
};

/**
 * Gets the first error message for a specific field that not match the rule.
 */
ErrorBag.prototype.firstNot = function firstNot (name, rule, scope) {
    if ( rule === void 0 ) rule = 'required';
    if ( scope === void 0 ) scope = null;

  var error = this.collect(name, scope, false).filter(function (e) { return e.rule !== rule; })[0];

  return (error && error.msg) || undefined;
};

/**
 * Removes errors by matching against the id or ids.
 */
ErrorBag.prototype.removeById = function removeById (id) {
  var condition = function (item) { return item.id === id; };
  if (Array.isArray(id)) {
    condition = function (item) { return id.indexOf(item.id) !== -1; };
  }

  for (var i = 0; i < this.items.length; ++i) {
    if (condition(this.items[i])) {
      this.items.splice(i, 1);
      --i;
    }
  }
};

/**
 * Removes all error messages associated with a specific field.
 */
ErrorBag.prototype.remove = function remove (field, scope, vmId) {
  if (isNullOrUndefined(field)) {
    return;
  }

  var selector = isNullOrUndefined(scope) ? String(field) : (scope + "." + field);
  var ref = this._makeCandidateFilters(selector);
    var isPrimary = ref.isPrimary;
  var shouldRemove = function (item) {
    if (isNullOrUndefined(vmId)) { return isPrimary(item); }

    return isPrimary(item) && item.vmId === vmId;
  };

  for (var i = 0; i < this.items.length; ++i) {
    if (shouldRemove(this.items[i])) {
      this.items.splice(i, 1);
      --i;
    }
  }
};

ErrorBag.prototype._makeCandidateFilters = function _makeCandidateFilters (selector) {
    var this$1 = this;

  var matchesRule = function () { return true; };
  var matchesScope = function () { return true; };
  var matchesName = function () { return true; };
  var matchesVM = function () { return true; };

  var ref = parseSelector(selector);
    var id = ref.id;
    var rule = ref.rule;
    var scope = ref.scope;
    var name = ref.name;

  if (rule) {
    matchesRule = function (item) { return item.rule === rule; };
  }

  // match by id, can be combined with rule selection.
  if (id) {
    return {
      isPrimary: function (item) { return matchesRule(item) && (function (item) { return id === item.id; }); },
      isAlt: function () { return false; }
    };
  }

  if (isNullOrUndefined(scope)) {
    // if no scope specified, make sure the found error has no scope.
    matchesScope = function (item) { return isNullOrUndefined(item.scope); };
  } else {
    matchesScope = function (item) { return item.scope === scope; };
  }

  if (!isNullOrUndefined(name) && name !== '*') {
    matchesName = function (item) { return item.field === name; };
  }

  if (!isNullOrUndefined(this.vmId)) {
    matchesVM = function (item) { return item.vmId === this$1.vmId; };
  }

  // matches the first candidate.
  var isPrimary = function (item) {
    return matchesVM(item) && matchesName(item) && matchesRule(item) && matchesScope(item);
  };

  // matches a second candidate, which is a field with a name containing the '.' character.
  var isAlt = function (item) {
    return matchesVM(item) && matchesRule(item) && item.field === (scope + "." + name);
  };

  return {
    isPrimary: isPrimary,
    isAlt: isAlt
  };
};

ErrorBag.prototype._match = function _match (selector) {
  if (isNullOrUndefined(selector)) {
    return undefined;
  }

  var ref = this._makeCandidateFilters(selector);
    var isPrimary = ref.isPrimary;
    var isAlt = ref.isAlt;

  return this.items.reduce(function (prev, item, idx, arr) {
    var isLast = idx === arr.length - 1;
    if (prev.primary) {
      return isLast ? prev.primary : prev;
    }

    if (isPrimary(item)) {
      prev.primary = item;
    }

    if (isAlt(item)) {
      prev.alt = item;
    }

    // keep going.
    if (!isLast) {
      return prev;
    }

    return prev.primary || prev.alt;
  }, {});
};

// VNode Utils

// Gets the model object on the vnode.
function findModel (vnode) {
  if (!vnode.data) {
    return null;
  }

  // Component Model
  if (vnode.data.model) {
    return vnode.data.model;
  }

  return !!(vnode.data.directives) && find(vnode.data.directives, function (d) { return d.name === 'model'; });
}

function extractVNodes (vnode) {
  if (findModel(vnode)) {
    return [vnode];
  }

  var children = Array.isArray(vnode) ? vnode : vnode.children;
  if (!Array.isArray(children)) {
    return [];
  }

  return children.reduce(function (nodes, node) {
    var candidates = extractVNodes(node);
    if (candidates.length) {
      nodes.push.apply(nodes, candidates);
    }

    return nodes;
  }, []);
}

// Resolves v-model config if exists.
function findModelConfig (vnode) {
  if (!vnode.componentOptions) { return null; }

  return vnode.componentOptions.Ctor.options.model;
}
// Adds a listener to vnode listener object.
function mergeVNodeListeners (obj, eventName, handler) {
  // Has a single listener.
  if (isCallable(obj[eventName])) {
    var prevHandler = obj[eventName];
    obj[eventName] = [prevHandler];
  }

  // has other listeners.
  if (Array.isArray(obj[eventName])) {
    obj[eventName].push(handler);
    return;
  }

  // no listener at all.
  if (isNullOrUndefined(obj[eventName])) {
    obj[eventName] = [handler];
  }
}

// Adds a listener to a native HTML vnode.
function addNativeNodeListener (node, eventName, handler) {
  if (isNullOrUndefined(node.data.on)) {
    node.data.on = {};
  }

  mergeVNodeListeners(node.data.on, eventName, handler);
}

// Adds a listener to a Vue component vnode.
function addComponentNodeListener (node, eventName, handler) {
  /* istanbul ignore next */
  if (!node.componentOptions.listeners) {
    node.componentOptions.listeners = {};
  }

  mergeVNodeListeners(node.componentOptions.listeners, eventName, handler);
}
function addVNodeListener (vnode, eventName, handler) {
  if (vnode.componentOptions) {
    addComponentNodeListener(vnode, eventName, handler);
  }

  addNativeNodeListener(vnode, eventName, handler);
}
// Determines if `change` should be used over `input` for listeners.
function getInputEventName (vnode, model) {
  // Is a component.
  if (vnode.componentOptions) {
    var ref = findModelConfig(vnode) || { event: 'input' };
    var event = ref.event;

    return event;
  }

  // Lazy Models typically use change event
  if (model && model.modifiers && model.modifiers.lazy) {
    return 'change';
  }

  // is a textual-type input.
  if (vnode.data.attrs && isTextInput({ type: vnode.data.attrs.type || 'text' })) {
    return 'input';
  }

  return 'change';
}

function normalizeSlots (slots, ctx) {
  return Object.keys(slots).reduce(function (arr, key) {
    slots[key].forEach(function (vnode) {
      if (!vnode.context) {
        slots[key].context = ctx;
        if (!vnode.data) {
          vnode.data = {};
        }
        vnode.data.slot = key;
      }
    });

    return arr.concat(slots[key]);
  }, []);
}

function createRenderless (h, vnode) {
  // a single-root slot yay!
  if (!Array.isArray(vnode)) {
    return vnode;
  }

  if (vnode.length === 1) {
    return vnode[0];
  }

  if (process.env.NODE_ENV !== 'production') {
    warn('Your slot should have one root element. Rendering a span as the root.');
  }

  // Renders a multi-root node, should throw a Vue error.
  return vnode;
}

/**
 * Generates the options required to construct a field.
 */
var Resolver = function Resolver () {};

Resolver.generate = function generate (el, binding, vnode) {
  var model = Resolver.resolveModel(binding, vnode);
  var options = pluginInstance.resolveConfig(vnode.context);

  return {
    name: Resolver.resolveName(el, vnode),
    el: el,
    listen: !binding.modifiers.disable,
    bails: binding.modifiers.bails ? true : (binding.modifiers.continues === true ? false : undefined),
    scope: Resolver.resolveScope(el, binding, vnode),
    vm: Resolver.makeVM(vnode.context),
    expression: binding.value,
    component: vnode.componentInstance,
    classes: options.classes,
    classNames: options.classNames,
    getter: Resolver.resolveGetter(el, vnode, model),
    events: Resolver.resolveEvents(el, vnode) || options.events,
    model: model,
    delay: Resolver.resolveDelay(el, vnode, options),
    rules: Resolver.resolveRules(el, binding, vnode),
    immediate: !!binding.modifiers.initial || !!binding.modifiers.immediate,
    validity: options.validity,
    aria: options.aria,
    initialValue: Resolver.resolveInitialValue(vnode)
  };
};

Resolver.getCtorConfig = function getCtorConfig (vnode) {
  if (!vnode.componentInstance) { return null; }

  var config = getPath('componentInstance.$options.$_veeValidate', vnode);

  return config;
};

/**
 * Resolves the rules defined on an element.
 */
Resolver.resolveRules = function resolveRules (el, binding, vnode) {
  var rules = '';
  if (!binding.value && (!binding || !binding.expression)) {
    rules = getDataAttribute(el, 'rules');
  }

  if (binding.value && includes(['string', 'object'], typeof binding.value.rules)) {
    rules = binding.value.rules;
  } else if (binding.value) {
    rules = binding.value;
  }

  if (vnode.componentInstance) {
    return rules;
  }

  // If validity is disabled, ignore field rules.
  var normalized = normalizeRules(rules);
  if (!pluginInstance.config.validity) {
    return normalized;
  }

  return assign({}, fillRulesFromElement(el, {}), normalized);
};

/**
 * @param {*} vnode
 */
Resolver.resolveInitialValue = function resolveInitialValue (vnode) {
  var model = vnode.data.model || find(vnode.data.directives, function (d) { return d.name === 'model'; });

  return model && model.value;
};

/**
 * Creates a non-circular partial VM instance from a Vue instance.
 * @param {*} vm
 */
Resolver.makeVM = function makeVM (vm) {
  return {
    get $el () {
      return vm.$el;
    },
    get $refs () {
      return vm.$refs;
    },
    $watch: vm.$watch ? vm.$watch.bind(vm) : function () {},
    $validator: vm.$validator ? {
      errors: vm.$validator.errors,
      validate: vm.$validator.validate.bind(vm.$validator),
      update: vm.$validator.update.bind(vm.$validator)
    } : null
  };
};

/**
 * Resolves the delay value.
 * @param {*} el
 * @param {*} vnode
 * @param {Object} options
 */
Resolver.resolveDelay = function resolveDelay (el, vnode, options) {
  var delay = getDataAttribute(el, 'delay');
  var globalDelay = (options && 'delay' in options) ? options.delay : 0;

  if (!delay && vnode.componentInstance && vnode.componentInstance.$attrs) {
    delay = vnode.componentInstance.$attrs['data-vv-delay'];
  }

  if (!isObject(globalDelay)) {
    return deepParseInt(delay || globalDelay);
  }

  if (!isNullOrUndefined(delay)) {
    globalDelay.input = delay;
  }

  return deepParseInt(globalDelay);
};

/**
 * Resolves the events to validate in response to.
 * @param {*} el
 * @param {*} vnode
 */
Resolver.resolveEvents = function resolveEvents (el, vnode) {
  // resolve it from the root element.
  var events = getDataAttribute(el, 'validate-on');

  // resolve from data-vv-validate-on if its a vue component.
  if (!events && vnode.componentInstance && vnode.componentInstance.$attrs) {
    events = vnode.componentInstance.$attrs['data-vv-validate-on'];
  }

  // resolve it from $_veeValidate options.
  if (!events && vnode.componentInstance) {
    var config = Resolver.getCtorConfig(vnode);
    events = config && config.events;
  }

  if (!events && pluginInstance.config.events) {
    events = pluginInstance.config.events;
  }

  // resolve the model event if its configured for custom components.
  if (events && vnode.componentInstance && includes(events, 'input')) {
    var ref = vnode.componentInstance.$options.model || { event: 'input' };
      var event = ref.event;
    // if the prop was configured but not the model.
    if (!event) {
      return events;
    }

    events = events.replace('input', event);
  }

  return events;
};

/**
 * Resolves the scope for the field.
 * @param {*} el
 * @param {*} binding
 */
Resolver.resolveScope = function resolveScope (el, binding, vnode) {
    if ( vnode === void 0 ) vnode = {};

  var scope = null;
  if (vnode.componentInstance && isNullOrUndefined(scope)) {
    scope = vnode.componentInstance.$attrs && vnode.componentInstance.$attrs['data-vv-scope'];
  }

  return !isNullOrUndefined(scope) ? scope : getScope(el);
};

/**
 * Checks if the node directives contains a v-model or a specified arg.
 * Args take priority over models.
 *
 * @return {Object}
 */
Resolver.resolveModel = function resolveModel (binding, vnode) {
  if (binding.arg) {
    return { expression: binding.arg };
  }

  var model = findModel(vnode);
  if (!model) {
    return null;
  }

  // https://github.com/vuejs/vue/blob/dev/src/core/util/lang.js#L26
  var watchable = !/[^\w.$]/.test(model.expression) && hasPath(model.expression, vnode.context);
  var lazy = !!(model.modifiers && model.modifiers.lazy);

  if (!watchable) {
    return { expression: null, lazy: lazy };
  }

  return { expression: model.expression, lazy: lazy };
};

/**
 * Resolves the field name to trigger validations.
 * @return {String} The field name.
 */
Resolver.resolveName = function resolveName (el, vnode) {
  var name = getDataAttribute(el, 'name');

  if (!name && !vnode.componentInstance) {
    return el.name;
  }

  if (!name && vnode.componentInstance && vnode.componentInstance.$attrs) {
    name = vnode.componentInstance.$attrs['data-vv-name'] || vnode.componentInstance.$attrs['name'];
  }

  if (!name && vnode.componentInstance) {
    var config = Resolver.getCtorConfig(vnode);
    if (config && isCallable(config.name)) {
      var boundGetter = config.name.bind(vnode.componentInstance);

      return boundGetter();
    }

    return vnode.componentInstance.name;
  }

  return name;
};

/**
 * Returns a value getter input type.
 */
Resolver.resolveGetter = function resolveGetter (el, vnode, model) {
  if (model && model.expression) {
    return function () {
      return getPath(model.expression, vnode.context);
    };
  }

  if (vnode.componentInstance) {
    var path = getDataAttribute(el, 'value-path') || (vnode.componentInstance.$attrs && vnode.componentInstance.$attrs['data-vv-value-path']);
    if (path) {
      return function () {
        return getPath(path, vnode.componentInstance);
      };
    }

    var config = Resolver.getCtorConfig(vnode);
    if (config && isCallable(config.value)) {
      var boundGetter = config.value.bind(vnode.componentInstance);

      return function () {
        return boundGetter();
      };
    }

    var ref = vnode.componentInstance.$options.model || { prop: 'value' };
      var prop = ref.prop;

    return function () {
      return vnode.componentInstance[prop];
    };
  }

  switch (el.type) {
  case 'checkbox': return function () {
    var els = document.querySelectorAll(("input[name=\"" + (el.name) + "\"]"));

    els = toArray(els).filter(function (el) { return el.checked; });
    if (!els.length) { return undefined; }

    return els.map(function (checkbox) { return checkbox.value; });
  };
  case 'radio': return function () {
    var els = document.querySelectorAll(("input[name=\"" + (el.name) + "\"]"));
    var elm = find(els, function (el) { return el.checked; });

    return elm && elm.value;
  };
  case 'file': return function (context) {
    return toArray(el.files);
  };
  case 'select-multiple': return function () {
    return toArray(el.options).filter(function (opt) { return opt.selected; }).map(function (opt) { return opt.value; });
  };
  default: return function () {
    return el && el.value;
  };
  }
};

var RULES = {};

var RuleContainer = function RuleContainer () {};

var staticAccessors = { rules: { configurable: true } };

RuleContainer.add = function add (name, ref) {
    var validate = ref.validate;
    var options = ref.options;
    var paramNames = ref.paramNames;

  RULES[name] = {
    validate: validate,
    options: options,
    paramNames: paramNames
  };
};

staticAccessors.rules.get = function () {
  return RULES;
};

RuleContainer.has = function has (name) {
  return !!RULES[name];
};

RuleContainer.isImmediate = function isImmediate (name) {
  return !!(RULES[name] && RULES[name].options.immediate);
};

RuleContainer.isTargetRule = function isTargetRule (name) {
  return !!(RULES[name] && RULES[name].options.hasTarget);
};

RuleContainer.remove = function remove (ruleName) {
  delete RULES[ruleName];
};

RuleContainer.getParamNames = function getParamNames (ruleName) {
  return RULES[ruleName] && RULES[ruleName].paramNames;
};

RuleContainer.getOptions = function getOptions (ruleName) {
  return RULES[ruleName] && RULES[ruleName].options;
};

RuleContainer.getValidatorMethod = function getValidatorMethod (ruleName) {
  return RULES[ruleName] ? RULES[ruleName].validate : null;
};

Object.defineProperties( RuleContainer, staticAccessors );

// 

var isEvent = function (evt) {
  return (typeof Event !== 'undefined' && isCallable(Event) && evt instanceof Event) || (evt && evt.srcElement);
};

var normalizeEvents = function (evts) {
  if (!evts) { return []; }

  return (typeof evts === 'string' ? evts.split('|') : evts);
};

var supportsPassive = true;

var detectPassiveSupport = function () {
  try {
    var opts = Object.defineProperty({}, 'passive', {
      get: function get () {
        supportsPassive = true;
      }
    });
    window.addEventListener('testPassive', null, opts);
    window.removeEventListener('testPassive', null, opts);
  } catch (e) {
    supportsPassive = false;
  }
  return supportsPassive;
};

var addEventListener = function (el, eventName, cb) {
  el.addEventListener(eventName, cb, supportsPassive ? { passive: true } : false);
};

// 

var DEFAULT_OPTIONS = {
  targetOf: null,
  immediate: false,
  scope: null,
  listen: true,
  name: null,
  rules: {},
  vm: null,
  classes: false,
  validity: true,
  aria: true,
  events: 'input|blur',
  delay: 0,
  classNames: {
    touched: 'touched', // the control has been blurred
    untouched: 'untouched', // the control hasn't been blurred
    valid: 'valid', // model is valid
    invalid: 'invalid', // model is invalid
    pristine: 'pristine', // control has not been interacted with
    dirty: 'dirty' // control has been interacted with
  }
};

var Field = function Field (options) {
  if ( options === void 0 ) options = {};

  this.id = uniqId();
  this.el = options.el;
  this.updated = false;
  this.dependencies = [];
  this.vmId = options.vmId;
  this.watchers = [];
  this.events = [];
  this.delay = 0;
  this.rules = {};
  this._cacheId(options);
  this.classNames = assign({}, DEFAULT_OPTIONS.classNames);
  options = assign({}, DEFAULT_OPTIONS, options);
  this._delay = !isNullOrUndefined(options.delay) ? options.delay : 0; // cache initial delay
  this.validity = options.validity;
  this.aria = options.aria;
  this.flags = createFlags();
  this.vm = options.vm;
  this.componentInstance = options.component;
  this.ctorConfig = this.componentInstance ? getPath('$options.$_veeValidate', this.componentInstance) : undefined;
  this.update(options);
  // set initial value.
  this.initialValue = this.value;
  this.updated = false;
};

var prototypeAccessors$1 = { validator: { configurable: true },isRequired: { configurable: true },isDisabled: { configurable: true },alias: { configurable: true },value: { configurable: true },bails: { configurable: true },rejectsFalse: { configurable: true } };

prototypeAccessors$1.validator.get = function () {
  if (!this.vm || !this.vm.$validator) {
    return { validate: function () {} };
  }

  return this.vm.$validator;
};

prototypeAccessors$1.isRequired.get = function () {
  return !!this.rules.required;
};

prototypeAccessors$1.isDisabled.get = function () {
  return !!(this.componentInstance && this.componentInstance.disabled) || !!(this.el && this.el.disabled);
};

/**
 * Gets the display name (user-friendly name).
 */
prototypeAccessors$1.alias.get = function () {
  if (this._alias) {
    return this._alias;
  }

  var alias = null;
  if (this.ctorConfig && this.ctorConfig.alias) {
    alias = isCallable(this.ctorConfig.alias) ? this.ctorConfig.alias.call(this.componentInstance) : this.ctorConfig.alias;
  }

  if (!alias && this.el) {
    alias = getDataAttribute(this.el, 'as');
  }

  if (!alias && this.componentInstance) {
    return this.componentInstance.$attrs && this.componentInstance.$attrs['data-vv-as'];
  }

  return alias;
};

/**
 * Gets the input value.
 */

prototypeAccessors$1.value.get = function () {
  if (!isCallable(this.getter)) {
    return undefined;
  }

  return this.getter();
};

prototypeAccessors$1.bails.get = function () {
  return this._bails;
};

/**
 * If the field rejects false as a valid value for the required rule.
 */

prototypeAccessors$1.rejectsFalse.get = function () {
  if (this.componentInstance && this.ctorConfig) {
    return !!this.ctorConfig.rejectsFalse;
  }

  if (!this.el) {
    return false;
  }

  return this.el.type === 'checkbox';
};

/**
 * Determines if the instance matches the options provided.
 */
Field.prototype.matches = function matches (options) {
    var this$1 = this;

  if (!options) {
    return true;
  }

  if (options.id) {
    return this.id === options.id;
  }

  var matchesComponentId = isNullOrUndefined(options.vmId) ? function () { return true; } : function (id) { return id === this$1.vmId; };
  if (!matchesComponentId(options.vmId)) {
    return false;
  }

  if (options.name === undefined && options.scope === undefined) {
    return true;
  }

  if (options.scope === undefined) {
    return this.name === options.name;
  }

  if (options.name === undefined) {
    return this.scope === options.scope;
  }

  return options.name === this.name && options.scope === this.scope;
};

/**
 * Caches the field id.
 */
Field.prototype._cacheId = function _cacheId (options) {
  if (this.el && !options.targetOf) {
    this.el._veeValidateId = this.id;
  }
};

/**
 * Keeps a reference of the most current validation run.
 */
Field.prototype.waitFor = function waitFor (pendingPromise) {
  this._waitingFor = pendingPromise;
};

Field.prototype.isWaitingFor = function isWaitingFor (promise) {
  return this._waitingFor === promise;
};

/**
 * Updates the field with changed data.
 */
Field.prototype.update = function update (options) {
  this.targetOf = options.targetOf || null;
  this.immediate = options.immediate || this.immediate || false;

  // update errors scope if the field scope was changed.
  if (!isNullOrUndefined(options.scope) && options.scope !== this.scope && isCallable(this.validator.update)) {
    this.validator.update(this.id, { scope: options.scope });
  }
  this.scope = !isNullOrUndefined(options.scope) ? options.scope
    : !isNullOrUndefined(this.scope) ? this.scope : null;
  this.name = (!isNullOrUndefined(options.name) ? String(options.name) : options.name) || this.name || null;
  this.rules = options.rules !== undefined ? normalizeRules(options.rules) : this.rules;
  this._bails = options.bails !== undefined ? options.bails : this._bails;
  this.model = options.model || this.model;
  this.listen = options.listen !== undefined ? options.listen : this.listen;
  this.classes = (options.classes || this.classes || false) && !this.componentInstance;
  this.classNames = isObject(options.classNames) ? merge(this.classNames, options.classNames) : this.classNames;
  this.getter = isCallable(options.getter) ? options.getter : this.getter;
  this._alias = options.alias || this._alias;
  this.events = (options.events) ? normalizeEvents(options.events) : this.events;
  this.delay = makeDelayObject(this.events, options.delay || this.delay, this._delay);
  this.updateDependencies();
  this.addActionListeners();

  if (process.env.NODE_ENV !== 'production' && !this.name && !this.targetOf) {
    warn('A field is missing a "name" or "data-vv-name" attribute');
  }

  // update required flag flags
  if (options.rules !== undefined) {
    this.flags.required = this.isRequired;
  }

  // validate if it was validated before and field was updated and there was a rules mutation.
  if (this.flags.validated && options.rules !== undefined && this.updated) {
    this.validator.validate(("#" + (this.id)));
  }

  this.updated = true;
  this.addValueListeners();

  // no need to continue.
  if (!this.el) {
    return;
  }
  this.updateClasses();
  this.updateAriaAttrs();
};

/**
 * Resets field flags and errors.
 */
Field.prototype.reset = function reset () {
    var this$1 = this;

  if (this._cancellationToken) {
    this._cancellationToken.cancelled = true;
    delete this._cancellationToken;
  }

  var defaults = createFlags();
  Object.keys(this.flags).filter(function (flag) { return flag !== 'required'; }).forEach(function (flag) {
    this$1.flags[flag] = defaults[flag];
  });

  this.addValueListeners();
  this.addActionListeners();
  this.updateClasses();
  this.updateAriaAttrs();
  this.updateCustomValidity();
};

/**
 * Sets the flags and their negated counterparts, and updates the classes and re-adds action listeners.
 */
Field.prototype.setFlags = function setFlags (flags) {
    var this$1 = this;

  var negated = {
    pristine: 'dirty',
    dirty: 'pristine',
    valid: 'invalid',
    invalid: 'valid',
    touched: 'untouched',
    untouched: 'touched'
  };

  Object.keys(flags).forEach(function (flag) {
    this$1.flags[flag] = flags[flag];
    // if it has a negation and was not specified, set it as well.
    if (negated[flag] && flags[negated[flag]] === undefined) {
      this$1.flags[negated[flag]] = !flags[flag];
    }
  });

  if (
    flags.untouched !== undefined ||
    flags.touched !== undefined ||
    flags.dirty !== undefined ||
    flags.pristine !== undefined
  ) {
    this.addActionListeners();
  }
  this.updateClasses();
  this.updateAriaAttrs();
  this.updateCustomValidity();
};

/**
 * Determines if the field requires references to target fields.
*/
Field.prototype.updateDependencies = function updateDependencies () {
    var this$1 = this;

  // reset dependencies.
  this.dependencies.forEach(function (d) { return d.field.destroy(); });
  this.dependencies = [];

  // we get the selectors fo