remove vue from vendor since it is now in node_modules

6 files changed, 0 insertions, 8851 deletions

diff --git a/vendor/assets/javascripts/vue-resource.full.js b/vendor/assets/javascripts/vue-resource.full.js
deleted file mode 100644
index d7981dbec7e..00000000000
--- a/vendor/assets/javascripts/vue-resource.full.js
+++ /dev/null
@@ -1,1318 +0,0 @@
-/*!
- * vue-resource v0.9.3
- * https://github.com/vuejs/vue-resource
- * Released under the MIT License.
- */
-
-(function (global, factory) {
-  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
-  typeof define === 'function' && define.amd ? define(factory) :
-  (global.VueResource = factory());
-}(this, function () { 'use strict';
-
-  /**
-   * Promises/A+ polyfill v1.1.4 (https://github.com/bramstein/promis)
-   */
-
-  var RESOLVED = 0;
-  var REJECTED = 1;
-  var PENDING = 2;
-
-  function Promise$2(executor) {
-
-      this.state = PENDING;
-      this.value = undefined;
-      this.deferred = [];
-
-      var promise = this;
-
-      try {
-          executor(function (x) {
-              promise.resolve(x);
-          }, function (r) {
-              promise.reject(r);
-          });
-      } catch (e) {
-          promise.reject(e);
-      }
-  }
-
-  Promise$2.reject = function (r) {
-      return new Promise$2(function (resolve, reject) {
-          reject(r);
-      });
-  };
-
-  Promise$2.resolve = function (x) {
-      return new Promise$2(function (resolve, reject) {
-          resolve(x);
-      });
-  };
-
-  Promise$2.all = function all(iterable) {
-      return new Promise$2(function (resolve, reject) {
-          var count = 0,
-              result = [];
-
-          if (iterable.length === 0) {
-              resolve(result);
-          }
-
-          function resolver(i) {
-              return function (x) {
-                  result[i] = x;
-                  count += 1;
-
-                  if (count === iterable.length) {
-                      resolve(result);
-                  }
-              };
-          }
-
-          for (var i = 0; i < iterable.length; i += 1) {
-              Promise$2.resolve(iterable[i]).then(resolver(i), reject);
-          }
-      });
-  };
-
-  Promise$2.race = function race(iterable) {
-      return new Promise$2(function (resolve, reject) {
-          for (var i = 0; i < iterable.length; i += 1) {
-              Promise$2.resolve(iterable[i]).then(resolve, reject);
-          }
-      });
-  };
-
-  var p$1 = Promise$2.prototype;
-
-  p$1.resolve = function resolve(x) {
-      var promise = this;
-
-      if (promise.state === PENDING) {
-          if (x === promise) {
-              throw new TypeError('Promise settled with itself.');
-          }
-
-          var called = false;
-
-          try {
-              var then = x && x['then'];
-
-              if (x !== null && typeof x === 'object' && typeof then === 'function') {
-                  then.call(x, function (x) {
-                      if (!called) {
-                          promise.resolve(x);
-                      }
-                      called = true;
-                  }, function (r) {
-                      if (!called) {
-                          promise.reject(r);
-                      }
-                      called = true;
-                  });
-                  return;
-              }
-          } catch (e) {
-              if (!called) {
-                  promise.reject(e);
-              }
-              return;
-          }
-
-          promise.state = RESOLVED;
-          promise.value = x;
-          promise.notify();
-      }
-  };
-
-  p$1.reject = function reject(reason) {
-      var promise = this;
-
-      if (promise.state === PENDING) {
-          if (reason === promise) {
-              throw new TypeError('Promise settled with itself.');
-          }
-
-          promise.state = REJECTED;
-          promise.value = reason;
-          promise.notify();
-      }
-  };
-
-  p$1.notify = function notify() {
-      var promise = this;
-
-      nextTick(function () {
-          if (promise.state !== PENDING) {
-              while (promise.deferred.length) {
-                  var deferred = promise.deferred.shift(),
-                      onResolved = deferred[0],
-                      onRejected = deferred[1],
-                      resolve = deferred[2],
-                      reject = deferred[3];
-
-                  try {
-                      if (promise.state === RESOLVED) {
-                          if (typeof onResolved === 'function') {
-                              resolve(onResolved.call(undefined, promise.value));
-                          } else {
-                              resolve(promise.value);
-                          }
-                      } else if (promise.state === REJECTED) {
-                          if (typeof onRejected === 'function') {
-                              resolve(onRejected.call(undefined, promise.value));
-                          } else {
-                              reject(promise.value);
-                          }
-                      }
-                  } catch (e) {
-                      reject(e);
-                  }
-              }
-          }
-      });
-  };
-
-  p$1.then = function then(onResolved, onRejected) {
-      var promise = this;
-
-      return new Promise$2(function (resolve, reject) {
-          promise.deferred.push([onResolved, onRejected, resolve, reject]);
-          promise.notify();
-      });
-  };
-
-  p$1.catch = function (onRejected) {
-      return this.then(undefined, onRejected);
-  };
-
-  var PromiseObj = window.Promise || Promise$2;
-
-  function Promise$1(executor, context) {
-
-      if (executor instanceof PromiseObj) {
-          this.promise = executor;
-      } else {
-          this.promise = new PromiseObj(executor.bind(context));
-      }
-
-      this.context = context;
-  }
-
-  Promise$1.all = function (iterable, context) {
-      return new Promise$1(PromiseObj.all(iterable), context);
-  };
-
-  Promise$1.resolve = function (value, context) {
-      return new Promise$1(PromiseObj.resolve(value), context);
-  };
-
-  Promise$1.reject = function (reason, context) {
-      return new Promise$1(PromiseObj.reject(reason), context);
-  };
-
-  Promise$1.race = function (iterable, context) {
-      return new Promise$1(PromiseObj.race(iterable), context);
-  };
-
-  var p = Promise$1.prototype;
-
-  p.bind = function (context) {
-      this.context = context;
-      return this;
-  };
-
-  p.then = function (fulfilled, rejected) {
-
-      if (fulfilled && fulfilled.bind && this.context) {
-          fulfilled = fulfilled.bind(this.context);
-      }
-
-      if (rejected && rejected.bind && this.context) {
-          rejected = rejected.bind(this.context);
-      }
-
-      return new Promise$1(this.promise.then(fulfilled, rejected), this.context);
-  };
-
-  p.catch = function (rejected) {
-
-      if (rejected && rejected.bind && this.context) {
-          rejected = rejected.bind(this.context);
-      }
-
-      return new Promise$1(this.promise.catch(rejected), this.context);
-  };
-
-  p.finally = function (callback) {
-
-      return this.then(function (value) {
-          callback.call(this);
-          return value;
-      }, function (reason) {
-          callback.call(this);
-          return PromiseObj.reject(reason);
-      });
-  };
-
-  var debug = false;
-  var util = {};
-  var array = [];
-  function Util (Vue) {
-      util = Vue.util;
-      debug = Vue.config.debug || !Vue.config.silent;
-  }
-
-  function warn(msg) {
-      if (typeof console !== 'undefined' && debug) {
-          console.warn('[VueResource warn]: ' + msg);
-      }
-  }
-
-  function error(msg) {
-      if (typeof console !== 'undefined') {
-          console.error(msg);
-      }
-  }
-
-  function nextTick(cb, ctx) {
-      return util.nextTick(cb, ctx);
-  }
-
-  function trim(str) {
-      return str.replace(/^\s*|\s*$/g, '');
-  }
-
-  var isArray = Array.isArray;
-
-  function isString(val) {
-      return typeof val === 'string';
-  }
-
-  function isBoolean(val) {
-      return val === true || val === false;
-  }
-
-  function isFunction(val) {
-      return typeof val === 'function';
-  }
-
-  function isObject(obj) {
-      return obj !== null && typeof obj === 'object';
-  }
-
-  function isPlainObject(obj) {
-      return isObject(obj) && Object.getPrototypeOf(obj) == Object.prototype;
-  }
-
-  function isFormData(obj) {
-      return typeof FormData !== 'undefined' && obj instanceof FormData;
-  }
-
-  function when(value, fulfilled, rejected) {
-
-      var promise = Promise$1.resolve(value);
-
-      if (arguments.length < 2) {
-          return promise;
-      }
-
-      return promise.then(fulfilled, rejected);
-  }
-
-  function options(fn, obj, opts) {
-
-      opts = opts || {};
-
-      if (isFunction(opts)) {
-          opts = opts.call(obj);
-      }
-
-      return merge(fn.bind({ $vm: obj, $options: opts }), fn, { $options: opts });
-  }
-
-  function each(obj, iterator) {
-
-      var i, key;
-
-      if (typeof obj.length == 'number') {
-          for (i = 0; i < obj.length; i++) {
-              iterator.call(obj[i], obj[i], i);
-          }
-      } else if (isObject(obj)) {
-          for (key in obj) {
-              if (obj.hasOwnProperty(key)) {
-                  iterator.call(obj[key], obj[key], key);
-              }
-          }
-      }
-
-      return obj;
-  }
-
-  var assign = Object.assign || _assign;
-
-  function merge(target) {
-
-      var args = array.slice.call(arguments, 1);
-
-      args.forEach(function (source) {
-          _merge(target, source, true);
-      });
-
-      return target;
-  }
-
-  function defaults(target) {
-
-      var args = array.slice.call(arguments, 1);
-
-      args.forEach(function (source) {
-
-          for (var key in source) {
-              if (target[key] === undefined) {
-                  target[key] = source[key];
-              }
-          }
-      });
-
-      return target;
-  }
-
-  function _assign(target) {
-
-      var args = array.slice.call(arguments, 1);
-
-      args.forEach(function (source) {
-          _merge(target, source);
-      });
-
-      return target;
-  }
-
-  function _merge(target, source, deep) {
-      for (var key in source) {
-          if (deep && (isPlainObject(source[key]) || isArray(source[key]))) {
-              if (isPlainObject(source[key]) && !isPlainObject(target[key])) {
-                  target[key] = {};
-              }
-              if (isArray(source[key]) && !isArray(target[key])) {
-                  target[key] = [];
-              }
-              _merge(target[key], source[key], deep);
-          } else if (source[key] !== undefined) {
-              target[key] = source[key];
-          }
-      }
-  }
-
-  function root (options, next) {
-
-      var url = next(options);
-
-      if (isString(options.root) && !url.match(/^(https?:)?\//)) {
-          url = options.root + '/' + url;
-      }
-
-      return url;
-  }
-
-  function query (options, next) {
-
-      var urlParams = Object.keys(Url.options.params),
-          query = {},
-          url = next(options);
-
-      each(options.params, function (value, key) {
-          if (urlParams.indexOf(key) === -1) {
-              query[key] = value;
-          }
-      });
-
-      query = Url.params(query);
-
-      if (query) {
-          url += (url.indexOf('?') == -1 ? '?' : '&') + query;
-      }
-
-      return url;
-  }
-
-  /**
-   * URL Template v2.0.6 (https://github.com/bramstein/url-template)
-   */
-
-  function expand(url, params, variables) {
-
-      var tmpl = parse(url),
-          expanded = tmpl.expand(params);
-
-      if (variables) {
-          variables.push.apply(variables, tmpl.vars);
-      }
-
-      return expanded;
-  }
-
-  function parse(template) {
-
-      var operators = ['+', '#', '.', '/', ';', '?', '&'],
-          variables = [];
-
-      return {
-          vars: variables,
-          expand: function (context) {
-              return template.replace(/\{([^\{\}]+)\}|([^\{\}]+)/g, function (_, expression, literal) {
-                  if (expression) {
-
-                      var operator = null,
-                          values = [];
-
-                      if (operators.indexOf(expression.charAt(0)) !== -1) {
-                          operator = expression.charAt(0);
-                          expression = expression.substr(1);
-                      }
-
-                      expression.split(/,/g).forEach(function (variable) {
-                          var tmp = /([^:\*]*)(?::(\d+)|(\*))?/.exec(variable);
-                          values.push.apply(values, getValues(context, operator, tmp[1], tmp[2] || tmp[3]));
-                          variables.push(tmp[1]);
-                      });
-
-                      if (operator && operator !== '+') {
-
-                          var separator = ',';
-
-                          if (operator === '?') {
-                              separator = '&';
-                          } else if (operator !== '#') {
-                              separator = operator;
-                          }
-
-                          return (values.length !== 0 ? operator : '') + values.join(separator);
-                      } else {
-                          return values.join(',');
-                      }
-                  } else {
-                      return encodeReserved(literal);
-                  }
-              });
-          }
-      };
-  }
-
-  function getValues(context, operator, key, modifier) {
-
-      var value = context[key],
-          result = [];
-
-      if (isDefined(value) && value !== '') {
-          if (typeof value === 'string' || typeof value === 'number' || typeof value === 'boolean') {
-              value = value.toString();
-
-              if (modifier && modifier !== '*') {
-                  value = value.substring(0, parseInt(modifier, 10));
-              }
-
-              result.push(encodeValue(operator, value, isKeyOperator(operator) ? key : null));
-          } else {
-              if (modifier === '*') {
-                  if (Array.isArray(value)) {
-                      value.filter(isDefined).forEach(function (value) {
-                          result.push(encodeValue(operator, value, isKeyOperator(operator) ? key : null));
-                      });
-                  } else {
-                      Object.keys(value).forEach(function (k) {
-                          if (isDefined(value[k])) {
-                              result.push(encodeValue(operator, value[k], k));
-                          }
-                      });
-                  }
-              } else {
-                  var tmp = [];
-
-                  if (Array.isArray(value)) {
-                      value.filter(isDefined).forEach(function (value) {
-                          tmp.push(encodeValue(operator, value));
-                      });
-                  } else {
-                      Object.keys(value).forEach(function (k) {
-                          if (isDefined(value[k])) {
-                              tmp.push(encodeURIComponent(k));
-                              tmp.push(encodeValue(operator, value[k].toString()));
-                          }
-                      });
-                  }
-
-                  if (isKeyOperator(operator)) {
-                      result.push(encodeURIComponent(key) + '=' + tmp.join(','));
-                  } else if (tmp.length !== 0) {
-                      result.push(tmp.join(','));
-                  }
-              }
-          }
-      } else {
-          if (operator === ';') {
-              result.push(encodeURIComponent(key));
-          } else if (value === '' && (operator === '&' || operator === '?')) {
-              result.push(encodeURIComponent(key) + '=');
-          } else if (value === '') {
-              result.push('');
-          }
-      }
-
-      return result;
-  }
-
-  function isDefined(value) {
-      return value !== undefined && value !== null;
-  }
-
-  function isKeyOperator(operator) {
-      return operator === ';' || operator === '&' || operator === '?';
-  }
-
-  function encodeValue(operator, value, key) {
-
-      value = operator === '+' || operator === '#' ? encodeReserved(value) : encodeURIComponent(value);
-
-      if (key) {
-          return encodeURIComponent(key) + '=' + value;
-      } else {
-          return value;
-      }
-  }
-
-  function encodeReserved(str) {
-      return str.split(/(%[0-9A-Fa-f]{2})/g).map(function (part) {
-          if (!/%[0-9A-Fa-f]/.test(part)) {
-              part = encodeURI(part);
-          }
-          return part;
-      }).join('');
-  }
-
-  function template (options) {
-
-      var variables = [],
-          url = expand(options.url, options.params, variables);
-
-      variables.forEach(function (key) {
-          delete options.params[key];
-      });
-
-      return url;
-  }
-
-  /**
-   * Service for URL templating.
-   */
-
-  var ie = document.documentMode;
-  var el = document.createElement('a');
-
-  function Url(url, params) {
-
-      var self = this || {},
-          options = url,
-          transform;
-
-      if (isString(url)) {
-          options = { url: url, params: params };
-      }
-
-      options = merge({}, Url.options, self.$options, options);
-
-      Url.transforms.forEach(function (handler) {
-          transform = factory(handler, transform, self.$vm);
-      });
-
-      return transform(options);
-  }
-
-  /**
-   * Url options.
-   */
-
-  Url.options = {
-      url: '',
-      root: null,
-      params: {}
-  };
-
-  /**
-   * Url transforms.
-   */
-
-  Url.transforms = [template, query, root];
-
-  /**
-   * Encodes a Url parameter string.
-   *
-   * @param {Object} obj
-   */
-
-  Url.params = function (obj) {
-
-      var params = [],
-          escape = encodeURIComponent;
-
-      params.add = function (key, value) {
-
-          if (isFunction(value)) {
-              value = value();
-          }
-
-          if (value === null) {
-              value = '';
-          }
-
-          this.push(escape(key) + '=' + escape(value));
-      };
-
-      serialize(params, obj);
-
-      return params.join('&').replace(/%20/g, '+');
-  };
-
-  /**
-   * Parse a URL and return its components.
-   *
-   * @param {String} url
-   */
-
-  Url.parse = function (url) {
-
-      if (ie) {
-          el.href = url;
-          url = el.href;
-      }
-
-      el.href = url;
-
-      return {
-          href: el.href,
-          protocol: el.protocol ? el.protocol.replace(/:$/, '') : '',
-          port: el.port,
-          host: el.host,
-          hostname: el.hostname,
-          pathname: el.pathname.charAt(0) === '/' ? el.pathname : '/' + el.pathname,
-          search: el.search ? el.search.replace(/^\?/, '') : '',
-          hash: el.hash ? el.hash.replace(/^#/, '') : ''
-      };
-  };
-
-  function factory(handler, next, vm) {
-      return function (options) {
-          return handler.call(vm, options, next);
-      };
-  }
-
-  function serialize(params, obj, scope) {
-
-      var array = isArray(obj),
-          plain = isPlainObject(obj),
-          hash;
-
-      each(obj, function (value, key) {
-
-          hash = isObject(value) || isArray(value);
-
-          if (scope) {
-              key = scope + '[' + (plain || hash ? key : '') + ']';
-          }
-
-          if (!scope && array) {
-              params.add(value.name, value.value);
-          } else if (hash) {
-              serialize(params, value, key);
-          } else {
-              params.add(key, value);
-          }
-      });
-  }
-
-  function xdrClient (request) {
-      return new Promise$1(function (resolve) {
-
-          var xdr = new XDomainRequest(),
-              handler = function (event) {
-
-              var response = request.respondWith(xdr.responseText, {
-                  status: xdr.status,
-                  statusText: xdr.statusText
-              });
-
-              resolve(response);
-          };
-
-          request.abort = function () {
-              return xdr.abort();
-          };
-
-          xdr.open(request.method, request.getUrl(), true);
-          xdr.timeout = 0;
-          xdr.onload = handler;
-          xdr.onerror = handler;
-          xdr.ontimeout = function () {};
-          xdr.onprogress = function () {};
-          xdr.send(request.getBody());
-      });
-  }
-
-  var ORIGIN_URL = Url.parse(location.href);
-  var SUPPORTS_CORS = 'withCredentials' in new XMLHttpRequest();
-
-  function cors (request, next) {
-
-      if (!isBoolean(request.crossOrigin) && crossOrigin(request)) {
-          request.crossOrigin = true;
-      }
-
-      if (request.crossOrigin) {
-
-          if (!SUPPORTS_CORS) {
-              request.client = xdrClient;
-          }
-
-          delete request.emulateHTTP;
-      }
-
-      next();
-  }
-
-  function crossOrigin(request) {
-
-      var requestUrl = Url.parse(Url(request));
-
-      return requestUrl.protocol !== ORIGIN_URL.protocol || requestUrl.host !== ORIGIN_URL.host;
-  }
-
-  function body (request, next) {
-
-      if (request.emulateJSON && isPlainObject(request.body)) {
-          request.body = Url.params(request.body);
-          request.headers['Content-Type'] = 'application/x-www-form-urlencoded';
-      }
-
-      if (isFormData(request.body)) {
-          delete request.headers['Content-Type'];
-      }
-
-      if (isPlainObject(request.body)) {
-          request.body = JSON.stringify(request.body);
-      }
-
-      next(function (response) {
-
-          var contentType = response.headers['Content-Type'];
-
-          if (isString(contentType) && contentType.indexOf('application/json') === 0) {
-
-              try {
-                  response.data = response.json();
-              } catch (e) {
-                  response.data = null;
-              }
-          } else {
-              response.data = response.text();
-          }
-      });
-  }
-
-  function jsonpClient (request) {
-      return new Promise$1(function (resolve) {
-
-          var name = request.jsonp || 'callback',
-              callback = '_jsonp' + Math.random().toString(36).substr(2),
-              body = null,
-              handler,
-              script;
-
-          handler = function (event) {
-
-              var status = 0;
-
-              if (event.type === 'load' && body !== null) {
-                  status = 200;
-              } else if (event.type === 'error') {
-                  status = 404;
-              }
-
-              resolve(request.respondWith(body, { status: status }));
-
-              delete window[callback];
-              document.body.removeChild(script);
-          };
-
-          request.params[name] = callback;
-
-          window[callback] = function (result) {
-              body = JSON.stringify(result);
-          };
-
-          script = document.createElement('script');
-          script.src = request.getUrl();
-          script.type = 'text/javascript';
-          script.async = true;
-          script.onload = handler;
-          script.onerror = handler;
-
-          document.body.appendChild(script);
-      });
-  }
-
-  function jsonp (request, next) {
-
-      if (request.method == 'JSONP') {
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-      return client(new Request(options)).then(function (response) {
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-  Http.headers = {
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-      delete: JSON_CONTENT_TYPE,
-      custom: CUSTOM_HEADERS,
-      common: COMMON_HEADERS
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-              params = args[0];
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-              if (/^(POST|PUT|PATCH)$/i.test(options.method)) {
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-          case 0:
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-              break;
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-      return options;
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-      get: { method: 'GET' },
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-  };
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-  function plugin(Vue) {
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-      Util(Vue);
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-  return plugin;
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-}));
\ No newline at end of file
diff --git a/vendor/assets/javascripts/vue-resource.js.erb b/vendor/assets/javascripts/vue-resource.js.erb
deleted file mode 100644
index 8001775ce98..00000000000
--- a/vendor/assets/javascripts/vue-resource.js.erb
+++ /dev/null
@@ -1,2 +0,0 @@
-<% type = Rails.env.development? ? 'full' : 'min' %>
-<%= File.read(Rails.root.join("vendor/assets/javascripts/vue-resource.#{type}.js")) %>
diff --git a/vendor/assets/javascripts/vue-resource.min.js b/vendor/assets/javascripts/vue-resource.min.js
deleted file mode 100644
index 6bff73a2a67..00000000000
--- a/vendor/assets/javascripts/vue-resource.min.js
+++ /dev/null
@@ -1,7 +0,0 @@
-/*!
- * vue-resource v0.9.3
- * https://github.com/vuejs/vue-resource
- * Released under the MIT License.
- */
-
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diff --git a/vendor/assets/javascripts/vue.full.js b/vendor/assets/javascripts/vue.full.js
deleted file mode 100644
index ea15bfac416..00000000000
--- a/vendor/assets/javascripts/vue.full.js
+++ /dev/null
@@ -1,7515 +0,0 @@
-/*!
- * Vue.js v2.0.3
- * (c) 2014-2016 Evan You
- * Released under the MIT License.
- */
-(function (global, factory) {
-  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
-  typeof define === 'function' && define.amd ? define(factory) :
-  (global.Vue = factory());
-}(this, (function () { 'use strict';
-
-/*  */
-
-/**
- * Convert a value to a string that is actually rendered.
- */
-function _toString (val) {
-  return val == null
-    ? ''
-    : typeof val === 'object'
-      ? JSON.stringify(val, null, 2)
-      : String(val)
-}
-
-/**
- * Convert a input value to a number for persistence.
- * If the conversion fails, return original string.
- */
-function toNumber (val) {
-  var n = parseFloat(val, 10);
-  return (n || n === 0) ? n : val
-}
-
-/**
- * Make a map and return a function for checking if a key
- * is in that map.
- */
-function makeMap (
-  str,
-  expectsLowerCase
-) {
-  var map = Object.create(null);
-  var list = str.split(',');
-  for (var i = 0; i < list.length; i++) {
-    map[list[i]] = true;
-  }
-  return expectsLowerCase
-    ? function (val) { return map[val.toLowerCase()]; }
-    : function (val) { return map[val]; }
-}
-
-/**
- * Check if a tag is a built-in tag.
- */
-var isBuiltInTag = makeMap('slot,component', true);
-
-/**
- * Remove an item from an array
- */
-function remove$1 (arr, item) {
-  if (arr.length) {
-    var index = arr.indexOf(item);
-    if (index > -1) {
-      return arr.splice(index, 1)
-    }
-  }
-}
-
-/**
- * Check whether the object has the property.
- */
-var hasOwnProperty = Object.prototype.hasOwnProperty;
-function hasOwn (obj, key) {
-  return hasOwnProperty.call(obj, key)
-}
-
-/**
- * Check if value is primitive
- */
-function isPrimitive (value) {
-  return typeof value === 'string' || typeof value === 'number'
-}
-
-/**
- * Create a cached version of a pure function.
- */
-function cached (fn) {
-  var cache = Object.create(null);
-  return function cachedFn (str) {
-    var hit = cache[str];
-    return hit || (cache[str] = fn(str))
-  }
-}
-
-/**
- * Camelize a hyphen-delmited string.
- */
-var camelizeRE = /-(\w)/g;
-var camelize = cached(function (str) {
-  return str.replace(camelizeRE, function (_, c) { return c ? c.toUpperCase() : ''; })
-});
-
-/**
- * Capitalize a string.
- */
-var capitalize = cached(function (str) {
-  return str.charAt(0).toUpperCase() + str.slice(1)
-});
-
-/**
- * Hyphenate a camelCase string.
- */
-var hyphenateRE = /([^-])([A-Z])/g;
-var hyphenate = cached(function (str) {
-  return str
-    .replace(hyphenateRE, '$1-$2')
-    .replace(hyphenateRE, '$1-$2')
-    .toLowerCase()
-});
-
-/**
- * Simple bind, faster than native
- */
-function bind$1 (fn, ctx) {
-  function boundFn (a) {
-    var l = arguments.length;
-    return l
-      ? l > 1
-        ? fn.apply(ctx, arguments)
-        : fn.call(ctx, a)
-      : fn.call(ctx)
-  }
-  // record original fn length
-  boundFn._length = fn.length;
-  return boundFn
-}
-
-/**
- * Convert an Array-like object to a real Array.
- */
-function toArray (list, start) {
-  start = start || 0;
-  var i = list.length - start;
-  var ret = new Array(i);
-  while (i--) {
-    ret[i] = list[i + start];
-  }
-  return ret
-}
-
-/**
- * Mix properties into target object.
- */
-function extend (to, _from) {
-  for (var key in _from) {
-    to[key] = _from[key];
-  }
-  return to
-}
-
-/**
- * Quick object check - this is primarily used to tell
- * Objects from primitive values when we know the value
- * is a JSON-compliant type.
- */
-function isObject (obj) {
-  return obj !== null && typeof obj === 'object'
-}
-
-/**
- * Strict object type check. Only returns true
- * for plain JavaScript objects.
- */
-var toString = Object.prototype.toString;
-var OBJECT_STRING = '[object Object]';
-function isPlainObject (obj) {
-  return toString.call(obj) === OBJECT_STRING
-}
-
-/**
- * Merge an Array of Objects into a single Object.
- */
-function toObject (arr) {
-  var res = {};
-  for (var i = 0; i < arr.length; i++) {
-    if (arr[i]) {
-      extend(res, arr[i]);
-    }
-  }
-  return res
-}
-
-/**
- * Perform no operation.
- */
-function noop () {}
-
-/**
- * Always return false.
- */
-var no = function () { return false; };
-
-/**
- * Generate a static keys string from compiler modules.
- */
-function genStaticKeys (modules) {
-  return modules.reduce(function (keys, m) {
-    return keys.concat(m.staticKeys || [])
-  }, []).join(',')
-}
-
-/**
- * Check if two values are loosely equal - that is,
- * if they are plain objects, do they have the same shape?
- */
-function looseEqual (a, b) {
-  /* eslint-disable eqeqeq */
-  return a == b || (
-    isObject(a) && isObject(b)
-      ? JSON.stringify(a) === JSON.stringify(b)
-      : false
-  )
-  /* eslint-enable eqeqeq */
-}
-
-function looseIndexOf (arr, val) {
-  for (var i = 0; i < arr.length; i++) {
-    if (looseEqual(arr[i], val)) { return i }
-  }
-  return -1
-}
-
-/*  */
-
-var config = {
-  /**
-   * Option merge strategies (used in core/util/options)
-   */
-  optionMergeStrategies: Object.create(null),
-
-  /**
-   * Whether to suppress warnings.
-   */
-  silent: false,
-
-  /**
-   * Whether to enable devtools
-   */
-  devtools: "development" !== 'production',
-
-  /**
-   * Error handler for watcher errors
-   */
-  errorHandler: null,
-
-  /**
-   * Ignore certain custom elements
-   */
-  ignoredElements: null,
-
-  /**
-   * Custom user key aliases for v-on
-   */
-  keyCodes: Object.create(null),
-
-  /**
-   * Check if a tag is reserved so that it cannot be registered as a
-   * component. This is platform-dependent and may be overwritten.
-   */
-  isReservedTag: no,
-
-  /**
-   * Check if a tag is an unknown element.
-   * Platform-dependent.
-   */
-  isUnknownElement: no,
-
-  /**
-   * Get the namespace of an element
-   */
-  getTagNamespace: noop,
-
-  /**
-   * Check if an attribute must be bound using property, e.g. value
-   * Platform-dependent.
-   */
-  mustUseProp: no,
-
-  /**
-   * List of asset types that a component can own.
-   */
-  _assetTypes: [
-    'component',
-    'directive',
-    'filter'
-  ],
-
-  /**
-   * List of lifecycle hooks.
-   */
-  _lifecycleHooks: [
-    'beforeCreate',
-    'created',
-    'beforeMount',
-    'mounted',
-    'beforeUpdate',
-    'updated',
-    'beforeDestroy',
-    'destroyed',
-    'activated',
-    'deactivated'
-  ],
-
-  /**
-   * Max circular updates allowed in a scheduler flush cycle.
-   */
-  _maxUpdateCount: 100,
-
-  /**
-   * Server rendering?
-   */
-  _isServer: "client" === 'server'
-};
-
-/*  */
-
-/**
- * Check if a string starts with $ or _
- */
-function isReserved (str) {
-  var c = (str + '').charCodeAt(0);
-  return c === 0x24 || c === 0x5F
-}
-
-/**
- * Define a property.
- */
-function def (obj, key, val, enumerable) {
-  Object.defineProperty(obj, key, {
-    value: val,
-    enumerable: !!enumerable,
-    writable: true,
-    configurable: true
-  });
-}
-
-/**
- * Parse simple path.
- */
-var bailRE = /[^\w\.\$]/;
-function parsePath (path) {
-  if (bailRE.test(path)) {
-    return
-  } else {
-    var segments = path.split('.');
-    return function (obj) {
-      for (var i = 0; i < segments.length; i++) {
-        if (!obj) { return }
-        obj = obj[segments[i]];
-      }
-      return obj
-    }
-  }
-}
-
-/*  */
-/* globals MutationObserver */
-
-// can we use __proto__?
-var hasProto = '__proto__' in {};
-
-// Browser environment sniffing
-var inBrowser =
-  typeof window !== 'undefined' &&
-  Object.prototype.toString.call(window) !== '[object Object]';
-
-var UA = inBrowser && window.navigator.userAgent.toLowerCase();
-var isIE = UA && /msie|trident/.test(UA);
-var isIE9 = UA && UA.indexOf('msie 9.0') > 0;
-var isEdge = UA && UA.indexOf('edge/') > 0;
-var isAndroid = UA && UA.indexOf('android') > 0;
-var isIOS = UA && /iphone|ipad|ipod|ios/.test(UA);
-
-// detect devtools
-var devtools = inBrowser && window.__VUE_DEVTOOLS_GLOBAL_HOOK__;
-
-/* istanbul ignore next */
-function isNative (Ctor) {
-  return /native code/.test(Ctor.toString())
-}
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-/**
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- */
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-  var callbacks = [];
-  var pending = false;
-  var timerFunc;
-
-  function nextTickHandler () {
-    pending = false;
-    var copies = callbacks.slice(0);
-    callbacks.length = 0;
-    for (var i = 0; i < copies.length; i++) {
-      copies[i]();
-    }
-  }
-
-  // the nextTick behavior leverages the microtask queue, which can be accessed
-  // via either native Promise.then or MutationObserver.
-  // MutationObserver has wider support, however it is seriously bugged in
-  // UIWebView in iOS >= 9.3.3 when triggered in touch event handlers. It
-  // completely stops working after triggering a few times... so, if native
-  // Promise is available, we will use it:
-  /* istanbul ignore if */
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-    timerFunc = function () {
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-      // it can get stuck in a weird state where callbacks are pushed into the
-      // microtask queue but the queue isn't being flushed, until the browser
-      // needs to do some other work, e.g. handle a timer. Therefore we can
-      // "force" the microtask queue to be flushed by adding an empty timer.
-      if (isIOS) { setTimeout(noop); }
-    };
-  } else if (typeof MutationObserver !== 'undefined' && (
-    isNative(MutationObserver) ||
-    // PhantomJS and iOS 7.x
-    MutationObserver.toString() === '[object MutationObserverConstructor]'
-  )) {
-    // use MutationObserver where native Promise is not available,
-    // e.g. PhantomJS IE11, iOS7, Android 4.4
-    var counter = 1;
-    var observer = new MutationObserver(nextTickHandler);
-    var textNode = document.createTextNode(String(counter));
-    observer.observe(textNode, {
-      characterData: true
-    });
-    timerFunc = function () {
-      counter = (counter + 1) % 2;
-      textNode.data = String(counter);
-    };
-  } else {
-    // fallback to setTimeout
-    /* istanbul ignore next */
-    timerFunc = function () {
-      setTimeout(nextTickHandler, 0);
-    };
-  }
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-    var func = ctx
-      ? function () { cb.call(ctx); }
-      : cb;
-    callbacks.push(func);
-    if (!pending) {
-      pending = true;
-      timerFunc();
-    }
-  }
-})();
-
-var _Set;
-/* istanbul ignore if */
-if (typeof Set !== 'undefined' && isNative(Set)) {
-  // use native Set when available.
-  _Set = Set;
-} else {
-  // a non-standard Set polyfill that only works with primitive keys.
-  _Set = (function () {
-    function Set () {
-      this.set = Object.create(null);
-    }
-    Set.prototype.has = function has (key) {
-      return this.set[key] !== undefined
-    };
-    Set.prototype.add = function add (key) {
-      this.set[key] = 1;
-    };
-    Set.prototype.clear = function clear () {
-      this.set = Object.create(null);
-    };
-
-    return Set;
-  }());
-}
-
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-
-var hasProxy;
-var proxyHandlers;
-var initProxy;
-
-{
-  var allowedGlobals = makeMap(
-    'Infinity,undefined,NaN,isFinite,isNaN,' +
-    'parseFloat,parseInt,decodeURI,decodeURIComponent,encodeURI,encodeURIComponent,' +
-    'Math,Number,Date,Array,Object,Boolean,String,RegExp,Map,Set,JSON,Intl,' +
-    'require' // for Webpack/Browserify
-  );
-
-  hasProxy =
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-    Proxy.toString().match(/native code/);
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-    has: function has (target, key) {
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-      if (!has && !isAllowed) {
-        warn(
-          "Property or method \"" + key + "\" is not defined on the instance but " +
-          "referenced during render. Make sure to declare reactive data " +
-          "properties in the data option.",
-          target
-        );
-      }
-      return has || !isAllowed
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-  };
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-};
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-};
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-};
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-Dep.prototype.depend = function depend () {
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-    Dep.target.addDep(this);
-  }
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-
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-var queue = [];
-var has$1 = {};
-var circular = {};
-var waiting = false;
-var flushing = false;
-var index = 0;
-
-/**
- * Reset the scheduler's state.
- */
-function resetSchedulerState () {
-  queue.length = 0;
-  has$1 = {};
-  {
-    circular = {};
-  }
-  waiting = flushing = false;
-}
-
-/**
- * Flush both queues and run the watchers.
- */
-function flushSchedulerQueue () {
-  flushing = true;
-
-  // Sort queue before flush.
-  // This ensures that:
-  // 1. Components are updated from parent to child. (because parent is always
-  //    created before the child)
-  // 2. A component's user watchers are run before its render watcher (because
-  //    user watchers are created before the render watcher)
-  // 3. If a component is destroyed during a parent component's watcher run,
-  //    its watchers can be skipped.
-  queue.sort(function (a, b) { return a.id - b.id; });
-
-  // do not cache length because more watchers might be pushed
-  // as we run existing watchers
-  for (index = 0; index < queue.length; index++) {
-    var watcher = queue[index];
-    var id = watcher.id;
-    has$1[id] = null;
-    watcher.run();
-    // in dev build, check and stop circular updates.
-    if ("development" !== 'production' && has$1[id] != null) {
-      circular[id] = (circular[id] || 0) + 1;
-      if (circular[id] > config._maxUpdateCount) {
-        warn(
-          'You may have an infinite update loop ' + (
-            watcher.user
-              ? ("in watcher with expression \"" + (watcher.expression) + "\"")
-              : "in a component render function."
-          ),
-          watcher.vm
-        );
-        break
-      }
-    }
-  }
-
-  // devtool hook
-  /* istanbul ignore if */
-  if (devtools && config.devtools) {
-    devtools.emit('flush');
-  }
-
-  resetSchedulerState();
-}
-
-/**
- * Push a watcher into the watcher queue.
- * Jobs with duplicate IDs will be skipped unless it's
- * pushed when the queue is being flushed.
- */
-function queueWatcher (watcher) {
-  var id = watcher.id;
-  if (has$1[id] == null) {
-    has$1[id] = true;
-    if (!flushing) {
-      queue.push(watcher);
-    } else {
-      // if already flushing, splice the watcher based on its id
-      // if already past its id, it will be run next immediately.
-      var i = queue.length - 1;
-      while (i >= 0 && queue[i].id > watcher.id) {
-        i--;
-      }
-      queue.splice(Math.max(i, index) + 1, 0, watcher);
-    }
-    // queue the flush
-    if (!waiting) {
-      waiting = true;
-      nextTick(flushSchedulerQueue);
-    }
-  }
-}
-
-/*  */
-
-var uid$1 = 0;
-
-/**
- * A watcher parses an expression, collects dependencies,
- * and fires callback when the expression value changes.
- * This is used for both the $watch() api and directives.
- */
-var Watcher = function Watcher (
-  vm,
-  expOrFn,
-  cb,
-  options
-) {
-  if ( options === void 0 ) options = {};
-
-  this.vm = vm;
-  vm._watchers.push(this);
-  // options
-  this.deep = !!options.deep;
-  this.user = !!options.user;
-  this.lazy = !!options.lazy;
-  this.sync = !!options.sync;
-  this.expression = expOrFn.toString();
-  this.cb = cb;
-  this.id = ++uid$1; // uid for batching
-  this.active = true;
-  this.dirty = this.lazy; // for lazy watchers
-  this.deps = [];
-  this.newDeps = [];
-  this.depIds = new _Set();
-  this.newDepIds = new _Set();
-  // parse expression for getter
-  if (typeof expOrFn === 'function') {
-    this.getter = expOrFn;
-  } else {
-    this.getter = parsePath(expOrFn);
-    if (!this.getter) {
-      this.getter = function () {};
-      "development" !== 'production' && warn(
-        "Failed watching path: \"" + expOrFn + "\" " +
-        'Watcher only accepts simple dot-delimited paths. ' +
-        'For full control, use a function instead.',
-        vm
-      );
-    }
-  }
-  this.value = this.lazy
-    ? undefined
-    : this.get();
-};
-
-/**
- * Evaluate the getter, and re-collect dependencies.
- */
-Watcher.prototype.get = function get () {
-  pushTarget(this);
-  var value = this.getter.call(this.vm, this.vm);
-  // "touch" every property so they are all tracked as
-  // dependencies for deep watching
-  if (this.deep) {
-    traverse(value);
-  }
-  popTarget();
-  this.cleanupDeps();
-  return value
-};
-
-/**
- * Add a dependency to this directive.
- */
-Watcher.prototype.addDep = function addDep (dep) {
-  var id = dep.id;
-  if (!this.newDepIds.has(id)) {
-    this.newDepIds.add(id);
-    this.newDeps.push(dep);
-    if (!this.depIds.has(id)) {
-      dep.addSub(this);
-    }
-  }
-};
-
-/**
- * Clean up for dependency collection.
- */
-Watcher.prototype.cleanupDeps = function cleanupDeps () {
-    var this$1 = this;
-
-  var i = this.deps.length;
-  while (i--) {
-    var dep = this$1.deps[i];
-    if (!this$1.newDepIds.has(dep.id)) {
-      dep.removeSub(this$1);
-    }
-  }
-  var tmp = this.depIds;
-  this.depIds = this.newDepIds;
-  this.newDepIds = tmp;
-  this.newDepIds.clear();
-  tmp = this.deps;
-  this.deps = this.newDeps;
-  this.newDeps = tmp;
-  this.newDeps.length = 0;
-};
-
-/**
- * Subscriber interface.
- * Will be called when a dependency changes.
- */
-Watcher.prototype.update = function update () {
-  /* istanbul ignore else */
-  if (this.lazy) {
-    this.dirty = true;
-  } else if (this.sync) {
-    this.run();
-  } else {
-    queueWatcher(this);
-  }
-};
-
-/**
- * Scheduler job interface.
- * Will be called by the scheduler.
- */
-Watcher.prototype.run = function run () {
-  if (this.active) {
-    var value = this.get();
-      if (
-        value !== this.value ||
-      // Deep watchers and watchers on Object/Arrays should fire even
-      // when the value is the same, because the value may
-      // have mutated.
-      isObject(value) ||
-      this.deep
-    ) {
-      // set new value
-      var oldValue = this.value;
-      this.value = value;
-      if (this.user) {
-        try {
-          this.cb.call(this.vm, value, oldValue);
-        } catch (e) {
-          "development" !== 'production' && warn(
-            ("Error in watcher \"" + (this.expression) + "\""),
-            this.vm
-          );
-          /* istanbul ignore else */
-          if (config.errorHandler) {
-            config.errorHandler.call(null, e, this.vm);
-          } else {
-            throw e
-          }
-        }
-      } else {
-        this.cb.call(this.vm, value, oldValue);
-      }
-    }
-  }
-};
-
-/**
- * Evaluate the value of the watcher.
- * This only gets called for lazy watchers.
- */
-Watcher.prototype.evaluate = function evaluate () {
-  this.value = this.get();
-  this.dirty = false;
-};
-
-/**
- * Depend on all deps collected by this watcher.
- */
-Watcher.prototype.depend = function depend () {
-    var this$1 = this;
-
-  var i = this.deps.length;
-  while (i--) {
-    this$1.deps[i].depend();
-  }
-};
-
-/**
- * Remove self from all dependencies' subcriber list.
- */
-Watcher.prototype.teardown = function teardown () {
-    var this$1 = this;
-
-  if (this.active) {
-    // remove self from vm's watcher list
-    // this is a somewhat expensive operation so we skip it
-    // if the vm is being destroyed or is performing a v-for
-    // re-render (the watcher list is then filtered by v-for).
-    if (!this.vm._isBeingDestroyed && !this.vm._vForRemoving) {
-      remove$1(this.vm._watchers, this);
-    }
-    var i = this.deps.length;
-    while (i--) {
-      this$1.deps[i].removeSub(this$1);
-    }
-    this.active = false;
-  }
-};
-
-/**
- * Recursively traverse an object to evoke all converted
- * getters, so that every nested property inside the object
- * is collected as a "deep" dependency.
- */
-var seenObjects = new _Set();
-function traverse (val, seen) {
-  var i, keys;
-  if (!seen) {
-    seen = seenObjects;
-    seen.clear();
-  }
-  var isA = Array.isArray(val);
-  var isO = isObject(val);
-  if ((isA || isO) && Object.isExtensible(val)) {
-    if (val.__ob__) {
-      var depId = val.__ob__.dep.id;
-      if (seen.has(depId)) {
-        return
-      } else {
-        seen.add(depId);
-      }
-    }
-    if (isA) {
-      i = val.length;
-      while (i--) { traverse(val[i], seen); }
-    } else if (isO) {
-      keys = Object.keys(val);
-      i = keys.length;
-      while (i--) { traverse(val[keys[i]], seen); }
-    }
-  }
-}
-
-/*
- * not type checking this file because flow doesn't play well with
- * dynamically accessing methods on Array prototype
- */
-
-var arrayProto = Array.prototype;
-var arrayMethods = Object.create(arrayProto);[
-  'push',
-  'pop',
-  'shift',
-  'unshift',
-  'splice',
-  'sort',
-  'reverse'
-]
-.forEach(function (method) {
-  // cache original method
-  var original = arrayProto[method];
-  def(arrayMethods, method, function mutator () {
-    var arguments$1 = arguments;
-
-    // avoid leaking arguments:
-    // http://jsperf.com/closure-with-arguments
-    var i = arguments.length;
-    var args = new Array(i);
-    while (i--) {
-      args[i] = arguments$1[i];
-    }
-    var result = original.apply(this, args);
-    var ob = this.__ob__;
-    var inserted;
-    switch (method) {
-      case 'push':
-        inserted = args;
-        break
-      case 'unshift':
-        inserted = args;
-        break
-      case 'splice':
-        inserted = args.slice(2);
-        break
-    }
-    if (inserted) { ob.observeArray(inserted); }
-    // notify change
-    ob.dep.notify();
-    return result
-  });
-});
-
-/*  */
-
-var arrayKeys = Object.getOwnPropertyNames(arrayMethods);
-
-/**
- * By default, when a reactive property is set, the new value is
- * also converted to become reactive. However when passing down props,
- * we don't want to force conversion because the value may be a nested value
- * under a frozen data structure. Converting it would defeat the optimization.
- */
-var observerState = {
-  shouldConvert: true,
-  isSettingProps: false
-};
-
-/**
- * Observer class that are attached to each observed
- * object. Once attached, the observer converts target
- * object's property keys into getter/setters that
- * collect dependencies and dispatches updates.
- */
-var Observer = function Observer (value) {
-  this.value = value;
-  this.dep = new Dep();
-  this.vmCount = 0;
-  def(value, '__ob__', this);
-  if (Array.isArray(value)) {
-    var augment = hasProto
-      ? protoAugment
-      : copyAugment;
-    augment(value, arrayMethods, arrayKeys);
-    this.observeArray(value);
-  } else {
-    this.walk(value);
-  }
-};
-
-/**
- * Walk through each property and convert them into
- * getter/setters. This method should only be called when
- * value type is Object.
- */
-Observer.prototype.walk = function walk (obj) {
-  var keys = Object.keys(obj);
-  for (var i = 0; i < keys.length; i++) {
-    defineReactive$$1(obj, keys[i], obj[keys[i]]);
-  }
-};
-
-/**
- * Observe a list of Array items.
- */
-Observer.prototype.observeArray = function observeArray (items) {
-  for (var i = 0, l = items.length; i < l; i++) {
-    observe(items[i]);
-  }
-};
-
-// helpers
-
-/**
- * Augment an target Object or Array by intercepting
- * the prototype chain using __proto__
- */
-function protoAugment (target, src) {
-  /* eslint-disable no-proto */
-  target.__proto__ = src;
-  /* eslint-enable no-proto */
-}
-
-/**
- * Augment an target Object or Array by defining
- * hidden properties.
- *
- * istanbul ignore next
- */
-function copyAugment (target, src, keys) {
-  for (var i = 0, l = keys.length; i < l; i++) {
-    var key = keys[i];
-    def(target, key, src[key]);
-  }
-}
-
-/**
- * Attempt to create an observer instance for a value,
- * returns the new observer if successfully observed,
- * or the existing observer if the value already has one.
- */
-function observe (value) {
-  if (!isObject(value)) {
-    return
-  }
-  var ob;
-  if (hasOwn(value, '__ob__') && value.__ob__ instanceof Observer) {
-    ob = value.__ob__;
-  } else if (
-    observerState.shouldConvert &&
-    !config._isServer &&
-    (Array.isArray(value) || isPlainObject(value)) &&
-    Object.isExtensible(value) &&
-    !value._isVue
-  ) {
-    ob = new Observer(value);
-  }
-  return ob
-}
-
-/**
- * Define a reactive property on an Object.
- */
-function defineReactive$$1 (
-  obj,
-  key,
-  val,
-  customSetter
-) {
-  var dep = new Dep();
-
-  var property = Object.getOwnPropertyDescriptor(obj, key);
-  if (property && property.configurable === false) {
-    return
-  }
-
-  // cater for pre-defined getter/setters
-  var getter = property && property.get;
-  var setter = property && property.set;
-
-  var childOb = observe(val);
-  Object.defineProperty(obj, key, {
-    enumerable: true,
-    configurable: true,
-    get: function reactiveGetter () {
-      var value = getter ? getter.call(obj) : val;
-      if (Dep.target) {
-        dep.depend();
-        if (childOb) {
-          childOb.dep.depend();
-        }
-        if (Array.isArray(value)) {
-          dependArray(value);
-        }
-      }
-      return value
-    },
-    set: function reactiveSetter (newVal) {
-      var value = getter ? getter.call(obj) : val;
-      if (newVal === value) {
-        return
-      }
-      if ("development" !== 'production' && customSetter) {
-        customSetter();
-      }
-      if (setter) {
-        setter.call(obj, newVal);
-      } else {
-        val = newVal;
-      }
-      childOb = observe(newVal);
-      dep.notify();
-    }
-  });
-}
-
-/**
- * Set a property on an object. Adds the new property and
- * triggers change notification if the property doesn't
- * already exist.
- */
-function set (obj, key, val) {
-  if (Array.isArray(obj)) {
-    obj.splice(key, 1, val);
-    return val
-  }
-  if (hasOwn(obj, key)) {
-    obj[key] = val;
-    return
-  }
-  var ob = obj.__ob__;
-  if (obj._isVue || (ob && ob.vmCount)) {
-    "development" !== 'production' && warn(
-      'Avoid adding reactive properties to a Vue instance or its root $data ' +
-      'at runtime - declare it upfront in the data option.'
-    );
-    return
-  }
-  if (!ob) {
-    obj[key] = val;
-    return
-  }
-  defineReactive$$1(ob.value, key, val);
-  ob.dep.notify();
-  return val
-}
-
-/**
- * Delete a property and trigger change if necessary.
- */
-function del (obj, key) {
-  var ob = obj.__ob__;
-  if (obj._isVue || (ob && ob.vmCount)) {
-    "development" !== 'production' && warn(
-      'Avoid deleting properties on a Vue instance or its root $data ' +
-      '- just set it to null.'
-    );
-    return
-  }
-  if (!hasOwn(obj, key)) {
-    return
-  }
-  delete obj[key];
-  if (!ob) {
-    return
-  }
-  ob.dep.notify();
-}
-
-/**
- * Collect dependencies on array elements when the array is touched, since
- * we cannot intercept array element access like property getters.
- */
-function dependArray (value) {
-  for (var e = void 0, i = 0, l = value.length; i < l; i++) {
-    e = value[i];
-    e && e.__ob__ && e.__ob__.dep.depend();
-    if (Array.isArray(e)) {
-      dependArray(e);
-    }
-  }
-}
-
-/*  */
-
-function initState (vm) {
-  vm._watchers = [];
-  initProps(vm);
-  initData(vm);
-  initComputed(vm);
-  initMethods(vm);
-  initWatch(vm);
-}
-
-function initProps (vm) {
-  var props = vm.$options.props;
-  if (props) {
-    var propsData = vm.$options.propsData || {};
-    var keys = vm.$options._propKeys = Object.keys(props);
-    var isRoot = !vm.$parent;
-    // root instance props should be converted
-    observerState.shouldConvert = isRoot;
-    var loop = function ( i ) {
-      var key = keys[i];
-      /* istanbul ignore else */
-      {
-        defineReactive$$1(vm, key, validateProp(key, props, propsData, vm), function () {
-          if (vm.$parent && !observerState.isSettingProps) {
-            warn(
-              "Avoid mutating a prop directly since the value will be " +
-              "overwritten whenever the parent component re-renders. " +
-              "Instead, use a data or computed property based on the prop's " +
-              "value. Prop being mutated: \"" + key + "\"",
-              vm
-            );
-          }
-        });
-      }
-    };
-
-    for (var i = 0; i < keys.length; i++) loop( i );
-    observerState.shouldConvert = true;
-  }
-}
-
-function initData (vm) {
-  var data = vm.$options.data;
-  data = vm._data = typeof data === 'function'
-    ? data.call(vm)
-    : data || {};
-  if (!isPlainObject(data)) {
-    data = {};
-    "development" !== 'production' && warn(
-      'data functions should return an object.',
-      vm
-    );
-  }
-  // proxy data on instance
-  var keys = Object.keys(data);
-  var props = vm.$options.props;
-  var i = keys.length;
-  while (i--) {
-    if (props && hasOwn(props, keys[i])) {
-      "development" !== 'production' && warn(
-        "The data property \"" + (keys[i]) + "\" is already declared as a prop. " +
-        "Use prop default value instead.",
-        vm
-      );
-    } else {
-      proxy(vm, keys[i]);
-    }
-  }
-  // observe data
-  observe(data);
-  data.__ob__ && data.__ob__.vmCount++;
-}
-
-var computedSharedDefinition = {
-  enumerable: true,
-  configurable: true,
-  get: noop,
-  set: noop
-};
-
-function initComputed (vm) {
-  var computed = vm.$options.computed;
-  if (computed) {
-    for (var key in computed) {
-      var userDef = computed[key];
-      if (typeof userDef === 'function') {
-        computedSharedDefinition.get = makeComputedGetter(userDef, vm);
-        computedSharedDefinition.set = noop;
-      } else {
-        computedSharedDefinition.get = userDef.get
-          ? userDef.cache !== false
-            ? makeComputedGetter(userDef.get, vm)
-            : bind$1(userDef.get, vm)
-          : noop;
-        computedSharedDefinition.set = userDef.set
-          ? bind$1(userDef.set, vm)
-          : noop;
-      }
-      Object.defineProperty(vm, key, computedSharedDefinition);
-    }
-  }
-}
-
-function makeComputedGetter (getter, owner) {
-  var watcher = new Watcher(owner, getter, noop, {
-    lazy: true
-  });
-  return function computedGetter () {
-    if (watcher.dirty) {
-      watcher.evaluate();
-    }
-    if (Dep.target) {
-      watcher.depend();
-    }
-    return watcher.value
-  }
-}
-
-function initMethods (vm) {
-  var methods = vm.$options.methods;
-  if (methods) {
-    for (var key in methods) {
-      vm[key] = methods[key] == null ? noop : bind$1(methods[key], vm);
-      if ("development" !== 'production' && methods[key] == null) {
-        warn(
-          "method \"" + key + "\" has an undefined value in the component definition. " +
-          "Did you reference the function correctly?",
-          vm
-        );
-      }
-    }
-  }
-}
-
-function initWatch (vm) {
-  var watch = vm.$options.watch;
-  if (watch) {
-    for (var key in watch) {
-      var handler = watch[key];
-      if (Array.isArray(handler)) {
-        for (var i = 0; i < handler.length; i++) {
-          createWatcher(vm, key, handler[i]);
-        }
-      } else {
-        createWatcher(vm, key, handler);
-      }
-    }
-  }
-}
-
-function createWatcher (vm, key, handler) {
-  var options;
-  if (isPlainObject(handler)) {
-    options = handler;
-    handler = handler.handler;
-  }
-  if (typeof handler === 'string') {
-    handler = vm[handler];
-  }
-  vm.$watch(key, handler, options);
-}
-
-function stateMixin (Vue) {
-  // flow somehow has problems with directly declared definition object
-  // when using Object.defineProperty, so we have to procedurally build up
-  // the object here.
-  var dataDef = {};
-  dataDef.get = function () {
-    return this._data
-  };
-  {
-    dataDef.set = function (newData) {
-      warn(
-        'Avoid replacing instance root $data. ' +
-        'Use nested data properties instead.',
-        this
-      );
-    };
-  }
-  Object.defineProperty(Vue.prototype, '$data', dataDef);
-
-  Vue.prototype.$set = set;
-  Vue.prototype.$delete = del;
-
-  Vue.prototype.$watch = function (
-    expOrFn,
-    cb,
-    options
-  ) {
-    var vm = this;
-    options = options || {};
-    options.user = true;
-    var watcher = new Watcher(vm, expOrFn, cb, options);
-    if (options.immediate) {
-      cb.call(vm, watcher.value);
-    }
-    return function unwatchFn () {
-      watcher.teardown();
-    }
-  };
-}
-
-function proxy (vm, key) {
-  if (!isReserved(key)) {
-    Object.defineProperty(vm, key, {
-      configurable: true,
-      enumerable: true,
-      get: function proxyGetter () {
-        return vm._data[key]
-      },
-      set: function proxySetter (val) {
-        vm._data[key] = val;
-      }
-    });
-  }
-}
-
-/*  */
-
-var VNode = function VNode (
-  tag,
-  data,
-  children,
-  text,
-  elm,
-  ns,
-  context,
-  componentOptions
-) {
-  this.tag = tag;
-  this.data = data;
-  this.children = children;
-  this.text = text;
-  this.elm = elm;
-  this.ns = ns;
-  this.context = context;
-  this.functionalContext = undefined;
-  this.key = data && data.key;
-  this.componentOptions = componentOptions;
-  this.child = undefined;
-  this.parent = undefined;
-  this.raw = false;
-  this.isStatic = false;
-  this.isRootInsert = true;
-  this.isComment = false;
-  this.isCloned = false;
-};
-
-var emptyVNode = function () {
-  var node = new VNode();
-  node.text = '';
-  node.isComment = true;
-  return node
-};
-
-// optimized shallow clone
-// used for static nodes and slot nodes because they may be reused across
-// multiple renders, cloning them avoids errors when DOM manipulations rely
-// on their elm reference.
-function cloneVNode (vnode) {
-  var cloned = new VNode(
-    vnode.tag,
-    vnode.data,
-    vnode.children,
-    vnode.text,
-    vnode.elm,
-    vnode.ns,
-    vnode.context,
-    vnode.componentOptions
-  );
-  cloned.isStatic = vnode.isStatic;
-  cloned.key = vnode.key;
-  cloned.isCloned = true;
-  return cloned
-}
-
-function cloneVNodes (vnodes) {
-  var res = new Array(vnodes.length);
-  for (var i = 0; i < vnodes.length; i++) {
-    res[i] = cloneVNode(vnodes[i]);
-  }
-  return res
-}
-
-/*  */
-
-function mergeVNodeHook (def, hookKey, hook, key) {
-  key = key + hookKey;
-  var injectedHash = def.__injected || (def.__injected = {});
-  if (!injectedHash[key]) {
-    injectedHash[key] = true;
-    var oldHook = def[hookKey];
-    if (oldHook) {
-      def[hookKey] = function () {
-        oldHook.apply(this, arguments);
-        hook.apply(this, arguments);
-      };
-    } else {
-      def[hookKey] = hook;
-    }
-  }
-}
-
-/*  */
-
-function updateListeners (
-  on,
-  oldOn,
-  add,
-  remove$$1,
-  vm
-) {
-  var name, cur, old, fn, event, capture;
-  for (name in on) {
-    cur = on[name];
-    old = oldOn[name];
-    if (!cur) {
-      "development" !== 'production' && warn(
-        "Invalid handler for event \"" + name + "\": got " + String(cur),
-        vm
-      );
-    } else if (!old) {
-      capture = name.charAt(0) === '!';
-      event = capture ? name.slice(1) : name;
-      if (Array.isArray(cur)) {
-        add(event, (cur.invoker = arrInvoker(cur)), capture);
-      } else {
-        if (!cur.invoker) {
-          fn = cur;
-          cur = on[name] = {};
-          cur.fn = fn;
-          cur.invoker = fnInvoker(cur);
-        }
-        add(event, cur.invoker, capture);
-      }
-    } else if (cur !== old) {
-      if (Array.isArray(old)) {
-        old.length = cur.length;
-        for (var i = 0; i < old.length; i++) { old[i] = cur[i]; }
-        on[name] = old;
-      } else {
-        old.fn = cur;
-        on[name] = old;
-      }
-    }
-  }
-  for (name in oldOn) {
-    if (!on[name]) {
-      event = name.charAt(0) === '!' ? name.slice(1) : name;
-      remove$$1(event, oldOn[name].invoker);
-    }
-  }
-}
-
-function arrInvoker (arr) {
-  return function (ev) {
-    var arguments$1 = arguments;
-
-    var single = arguments.length === 1;
-    for (var i = 0; i < arr.length; i++) {
-      single ? arr[i](ev) : arr[i].apply(null, arguments$1);
-    }
-  }
-}
-
-function fnInvoker (o) {
-  return function (ev) {
-    var single = arguments.length === 1;
-    single ? o.fn(ev) : o.fn.apply(null, arguments);
-  }
-}
-
-/*  */
-
-function normalizeChildren (
-  children,
-  ns,
-  nestedIndex
-) {
-  if (isPrimitive(children)) {
-    return [createTextVNode(children)]
-  }
-  if (Array.isArray(children)) {
-    var res = [];
-    for (var i = 0, l = children.length; i < l; i++) {
-      var c = children[i];
-      var last = res[res.length - 1];
-      //  nested
-      if (Array.isArray(c)) {
-        res.push.apply(res, normalizeChildren(c, ns, ((nestedIndex || '') + "_" + i)));
-      } else if (isPrimitive(c)) {
-        if (last && last.text) {
-          last.text += String(c);
-        } else if (c !== '') {
-          // convert primitive to vnode
-          res.push(createTextVNode(c));
-        }
-      } else if (c instanceof VNode) {
-        if (c.text && last && last.text) {
-          last.text += c.text;
-        } else {
-          // inherit parent namespace
-          if (ns) {
-            applyNS(c, ns);
-          }
-          // default key for nested array children (likely generated by v-for)
-          if (c.tag && c.key == null && nestedIndex != null) {
-            c.key = "__vlist" + nestedIndex + "_" + i + "__";
-          }
-          res.push(c);
-        }
-      }
-    }
-    return res
-  }
-}
-
-function createTextVNode (val) {
-  return new VNode(undefined, undefined, undefined, String(val))
-}
-
-function applyNS (vnode, ns) {
-  if (vnode.tag && !vnode.ns) {
-    vnode.ns = ns;
-    if (vnode.children) {
-      for (var i = 0, l = vnode.children.length; i < l; i++) {
-        applyNS(vnode.children[i], ns);
-      }
-    }
-  }
-}
-
-/*  */
-
-function getFirstComponentChild (children) {
-  return children && children.filter(function (c) { return c && c.componentOptions; })[0]
-}
-
-/*  */
-
-var activeInstance = null;
-
-function initLifecycle (vm) {
-  var options = vm.$options;
-
-  // locate first non-abstract parent
-  var parent = options.parent;
-  if (parent && !options.abstract) {
-    while (parent.$options.abstract && parent.$parent) {
-      parent = parent.$parent;
-    }
-    parent.$children.push(vm);
-  }
-
-  vm.$parent = parent;
-  vm.$root = parent ? parent.$root : vm;
-
-  vm.$children = [];
-  vm.$refs = {};
-
-  vm._watcher = null;
-  vm._inactive = false;
-  vm._isMounted = false;
-  vm._isDestroyed = false;
-  vm._isBeingDestroyed = false;
-}
-
-function lifecycleMixin (Vue) {
-  Vue.prototype._mount = function (
-    el,
-    hydrating
-  ) {
-    var vm = this;
-    vm.$el = el;
-    if (!vm.$options.render) {
-      vm.$options.render = emptyVNode;
-      {
-        /* istanbul ignore if */
-        if (vm.$options.template) {
-          warn(
-            'You are using the runtime-only build of Vue where the template ' +
-            'option is not available. Either pre-compile the templates into ' +
-            'render functions, or use the compiler-included build.',
-            vm
-          );
-        } else {
-          warn(
-            'Failed to mount component: template or render function not defined.',
-            vm
-          );
-        }
-      }
-    }
-    callHook(vm, 'beforeMount');
-    vm._watcher = new Watcher(vm, function () {
-      vm._update(vm._render(), hydrating);
-    }, noop);
-    hydrating = false;
-    // manually mounted instance, call mounted on self
-    // mounted is called for render-created child components in its inserted hook
-    if (vm.$vnode == null) {
-      vm._isMounted = true;
-      callHook(vm, 'mounted');
-    }
-    return vm
-  };
-
-  Vue.prototype._update = function (vnode, hydrating) {
-    var vm = this;
-    if (vm._isMounted) {
-      callHook(vm, 'beforeUpdate');
-    }
-    var prevEl = vm.$el;
-    var prevActiveInstance = activeInstance;
-    activeInstance = vm;
-    var prevVnode = vm._vnode;
-    vm._vnode = vnode;
-    if (!prevVnode) {
-      // Vue.prototype.__patch__ is injected in entry points
-      // based on the rendering backend used.
-      vm.$el = vm.__patch__(vm.$el, vnode, hydrating);
-    } else {
-      vm.$el = vm.__patch__(prevVnode, vnode);
-    }
-    activeInstance = prevActiveInstance;
-    // update __vue__ reference
-    if (prevEl) {
-      prevEl.__vue__ = null;
-    }
-    if (vm.$el) {
-      vm.$el.__vue__ = vm;
-    }
-    // if parent is an HOC, update its $el as well
-    if (vm.$vnode && vm.$parent && vm.$vnode === vm.$parent._vnode) {
-      vm.$parent.$el = vm.$el;
-    }
-    if (vm._isMounted) {
-      callHook(vm, 'updated');
-    }
-  };
-
-  Vue.prototype._updateFromParent = function (
-    propsData,
-    listeners,
-    parentVnode,
-    renderChildren
-  ) {
-    var vm = this;
-    var hasChildren = !!(vm.$options._renderChildren || renderChildren);
-    vm.$options._parentVnode = parentVnode;
-    vm.$options._renderChildren = renderChildren;
-    // update props
-    if (propsData && vm.$options.props) {
-      observerState.shouldConvert = false;
-      {
-        observerState.isSettingProps = true;
-      }
-      var propKeys = vm.$options._propKeys || [];
-      for (var i = 0; i < propKeys.length; i++) {
-        var key = propKeys[i];
-        vm[key] = validateProp(key, vm.$options.props, propsData, vm);
-      }
-      observerState.shouldConvert = true;
-      {
-        observerState.isSettingProps = false;
-      }
-    }
-    // update listeners
-    if (listeners) {
-      var oldListeners = vm.$options._parentListeners;
-      vm.$options._parentListeners = listeners;
-      vm._updateListeners(listeners, oldListeners);
-    }
-    // resolve slots + force update if has children
-    if (hasChildren) {
-      vm.$slots = resolveSlots(renderChildren, vm._renderContext);
-      vm.$forceUpdate();
-    }
-  };
-
-  Vue.prototype.$forceUpdate = function () {
-    var vm = this;
-    if (vm._watcher) {
-      vm._watcher.update();
-    }
-  };
-
-  Vue.prototype.$destroy = function () {
-    var vm = this;
-    if (vm._isBeingDestroyed) {
-      return
-    }
-    callHook(vm, 'beforeDestroy');
-    vm._isBeingDestroyed = true;
-    // remove self from parent
-    var parent = vm.$parent;
-    if (parent && !parent._isBeingDestroyed && !vm.$options.abstract) {
-      remove$1(parent.$children, vm);
-    }
-    // teardown watchers
-    if (vm._watcher) {
-      vm._watcher.teardown();
-    }
-    var i = vm._watchers.length;
-    while (i--) {
-      vm._watchers[i].teardown();
-    }
-    // remove reference from data ob
-    // frozen object may not have observer.
-    if (vm._data.__ob__) {
-      vm._data.__ob__.vmCount--;
-    }
-    // call the last hook...
-    vm._isDestroyed = true;
-    callHook(vm, 'destroyed');
-    // turn off all instance listeners.
-    vm.$off();
-    // remove __vue__ reference
-    if (vm.$el) {
-      vm.$el.__vue__ = null;
-    }
-    // invoke destroy hooks on current rendered tree
-    vm.__patch__(vm._vnode, null);
-  };
-}
-
-function callHook (vm, hook) {
-  var handlers = vm.$options[hook];
-  if (handlers) {
-    for (var i = 0, j = handlers.length; i < j; i++) {
-      handlers[i].call(vm);
-    }
-  }
-  vm.$emit('hook:' + hook);
-}
-
-/*  */
-
-var hooks = { init: init, prepatch: prepatch, insert: insert, destroy: destroy$1 };
-var hooksToMerge = Object.keys(hooks);
-
-function createComponent (
-  Ctor,
-  data,
-  context,
-  children,
-  tag
-) {
-  if (!Ctor) {
-    return
-  }
-
-  if (isObject(Ctor)) {
-    Ctor = Vue$3.extend(Ctor);
-  }
-
-  if (typeof Ctor !== 'function') {
-    {
-      warn(("Invalid Component definition: " + (String(Ctor))), context);
-    }
-    return
-  }
-
-  // async component
-  if (!Ctor.cid) {
-    if (Ctor.resolved) {
-      Ctor = Ctor.resolved;
-    } else {
-      Ctor = resolveAsyncComponent(Ctor, function () {
-        // it's ok to queue this on every render because
-        // $forceUpdate is buffered by the scheduler.
-        context.$forceUpdate();
-      });
-      if (!Ctor) {
-        // return nothing if this is indeed an async component
-        // wait for the callback to trigger parent update.
-        return
-      }
-    }
-  }
-
-  data = data || {};
-
-  // extract props
-  var propsData = extractProps(data, Ctor);
-
-  // functional component
-  if (Ctor.options.functional) {
-    return createFunctionalComponent(Ctor, propsData, data, context, children)
-  }
-
-  // extract listeners, since these needs to be treated as
-  // child component listeners instead of DOM listeners
-  var listeners = data.on;
-  // replace with listeners with .native modifier
-  data.on = data.nativeOn;
-
-  if (Ctor.options.abstract) {
-    // abstract components do not keep anything
-    // other than props & listeners
-    data = {};
-  }
-
-  // merge component management hooks onto the placeholder node
-  mergeHooks(data);
-
-  // return a placeholder vnode
-  var name = Ctor.options.name || tag;
-  var vnode = new VNode(
-    ("vue-component-" + (Ctor.cid) + (name ? ("-" + name) : '')),
-    data, undefined, undefined, undefined, undefined, context,
-    { Ctor: Ctor, propsData: propsData, listeners: listeners, tag: tag, children: children }
-  );
-  return vnode
-}
-
-function createFunctionalComponent (
-  Ctor,
-  propsData,
-  data,
-  context,
-  children
-) {
-  var props = {};
-  var propOptions = Ctor.options.props;
-  if (propOptions) {
-    for (var key in propOptions) {
-      props[key] = validateProp(key, propOptions, propsData);
-    }
-  }
-  var vnode = Ctor.options.render.call(
-    null,
-    // ensure the createElement function in functional components
-    // gets a unique context - this is necessary for correct named slot check
-    bind$1(createElement, { _self: Object.create(context) }),
-    {
-      props: props,
-      data: data,
-      parent: context,
-      children: normalizeChildren(children),
-      slots: function () { return resolveSlots(children, context); }
-    }
-  );
-  if (vnode instanceof VNode) {
-    vnode.functionalContext = context;
-    if (data.slot) {
-      (vnode.data || (vnode.data = {})).slot = data.slot;
-    }
-  }
-  return vnode
-}
-
-function createComponentInstanceForVnode (
-  vnode, // we know it's MountedComponentVNode but flow doesn't
-  parent // activeInstance in lifecycle state
-) {
-  var vnodeComponentOptions = vnode.componentOptions;
-  var options = {
-    _isComponent: true,
-    parent: parent,
-    propsData: vnodeComponentOptions.propsData,
-    _componentTag: vnodeComponentOptions.tag,
-    _parentVnode: vnode,
-    _parentListeners: vnodeComponentOptions.listeners,
-    _renderChildren: vnodeComponentOptions.children
-  };
-  // check inline-template render functions
-  var inlineTemplate = vnode.data.inlineTemplate;
-  if (inlineTemplate) {
-    options.render = inlineTemplate.render;
-    options.staticRenderFns = inlineTemplate.staticRenderFns;
-  }
-  return new vnodeComponentOptions.Ctor(options)
-}
-
-function init (vnode, hydrating) {
-  if (!vnode.child || vnode.child._isDestroyed) {
-    var child = vnode.child = createComponentInstanceForVnode(vnode, activeInstance);
-    child.$mount(hydrating ? vnode.elm : undefined, hydrating);
-  }
-}
-
-function prepatch (
-  oldVnode,
-  vnode
-) {
-  var options = vnode.componentOptions;
-  var child = vnode.child = oldVnode.child;
-  child._updateFromParent(
-    options.propsData, // updated props
-    options.listeners, // updated listeners
-    vnode, // new parent vnode
-    options.children // new children
-  );
-}
-
-function insert (vnode) {
-  if (!vnode.child._isMounted) {
-    vnode.child._isMounted = true;
-    callHook(vnode.child, 'mounted');
-  }
-  if (vnode.data.keepAlive) {
-    vnode.child._inactive = false;
-    callHook(vnode.child, 'activated');
-  }
-}
-
-function destroy$1 (vnode) {
-  if (!vnode.child._isDestroyed) {
-    if (!vnode.data.keepAlive) {
-      vnode.child.$destroy();
-    } else {
-      vnode.child._inactive = true;
-      callHook(vnode.child, 'deactivated');
-    }
-  }
-}
-
-function resolveAsyncComponent (
-  factory,
-  cb
-) {
-  if (factory.requested) {
-    // pool callbacks
-    factory.pendingCallbacks.push(cb);
-  } else {
-    factory.requested = true;
-    var cbs = factory.pendingCallbacks = [cb];
-    var sync = true;
-
-    var resolve = function (res) {
-      if (isObject(res)) {
-        res = Vue$3.extend(res);
-      }
-      // cache resolved
-      factory.resolved = res;
-      // invoke callbacks only if this is not a synchronous resolve
-      // (async resolves are shimmed as synchronous during SSR)
-      if (!sync) {
-        for (var i = 0, l = cbs.length; i < l; i++) {
-          cbs[i](res);
-        }
-      }
-    };
-
-    var reject = function (reason) {
-      "development" !== 'production' && warn(
-        "Failed to resolve async component: " + (String(factory)) +
-        (reason ? ("\nReason: " + reason) : '')
-      );
-    };
-
-    var res = factory(resolve, reject);
-
-    // handle promise
-    if (res && typeof res.then === 'function' && !factory.resolved) {
-      res.then(resolve, reject);
-    }
-
-    sync = false;
-    // return in case resolved synchronously
-    return factory.resolved
-  }
-}
-
-function extractProps (data, Ctor) {
-  // we are only extrating raw values here.
-  // validation and default values are handled in the child
-  // component itself.
-  var propOptions = Ctor.options.props;
-  if (!propOptions) {
-    return
-  }
-  var res = {};
-  var attrs = data.attrs;
-  var props = data.props;
-  var domProps = data.domProps;
-  if (attrs || props || domProps) {
-    for (var key in propOptions) {
-      var altKey = hyphenate(key);
-      checkProp(res, props, key, altKey, true) ||
-      checkProp(res, attrs, key, altKey) ||
-      checkProp(res, domProps, key, altKey);
-    }
-  }
-  return res
-}
-
-function checkProp (
-  res,
-  hash,
-  key,
-  altKey,
-  preserve
-) {
-  if (hash) {
-    if (hasOwn(hash, key)) {
-      res[key] = hash[key];
-      if (!preserve) {
-        delete hash[key];
-      }
-      return true
-    } else if (hasOwn(hash, altKey)) {
-      res[key] = hash[altKey];
-      if (!preserve) {
-        delete hash[altKey];
-      }
-      return true
-    }
-  }
-  return false
-}
-
-function mergeHooks (data) {
-  if (!data.hook) {
-    data.hook = {};
-  }
-  for (var i = 0; i < hooksToMerge.length; i++) {
-    var key = hooksToMerge[i];
-    var fromParent = data.hook[key];
-    var ours = hooks[key];
-    data.hook[key] = fromParent ? mergeHook$1(ours, fromParent) : ours;
-  }
-}
-
-function mergeHook$1 (a, b) {
-  // since all hooks have at most two args, use fixed args
-  // to avoid having to use fn.apply().
-  return function (_, __) {
-    a(_, __);
-    b(_, __);
-  }
-}
-
-/*  */
-
-// wrapper function for providing a more flexible interface
-// without getting yelled at by flow
-function createElement (
-  tag,
-  data,
-  children
-) {
-  if (data && (Array.isArray(data) || typeof data !== 'object')) {
-    children = data;
-    data = undefined;
-  }
-  // make sure to use real instance instead of proxy as context
-  return _createElement(this._self, tag, data, children)
-}
-
-function _createElement (
-  context,
-  tag,
-  data,
-  children
-) {
-  if (data && data.__ob__) {
-    "development" !== 'production' && warn(
-      "Avoid using observed data object as vnode data: " + (JSON.stringify(data)) + "\n" +
-      'Always create fresh vnode data objects in each render!',
-      context
-    );
-    return
-  }
-  if (!tag) {
-    // in case of component :is set to falsy value
-    return emptyVNode()
-  }
-  if (typeof tag === 'string') {
-    var Ctor;
-    var ns = config.getTagNamespace(tag);
-    if (config.isReservedTag(tag)) {
-      // platform built-in elements
-      return new VNode(
-        tag, data, normalizeChildren(children, ns),
-        undefined, undefined, ns, context
-      )
-    } else if ((Ctor = resolveAsset(context.$options, 'components', tag))) {
-      // component
-      return createComponent(Ctor, data, context, children, tag)
-    } else {
-      // unknown or unlisted namespaced elements
-      // check at runtime because it may get assigned a namespace when its
-      // parent normalizes children
-      return new VNode(
-        tag, data, normalizeChildren(children, ns),
-        undefined, undefined, ns, context
-      )
-    }
-  } else {
-    // direct component options / constructor
-    return createComponent(tag, data, context, children)
-  }
-}
-
-/*  */
-
-function initRender (vm) {
-  vm.$vnode = null; // the placeholder node in parent tree
-  vm._vnode = null; // the root of the child tree
-  vm._staticTrees = null;
-  vm._renderContext = vm.$options._parentVnode && vm.$options._parentVnode.context;
-  vm.$slots = resolveSlots(vm.$options._renderChildren, vm._renderContext);
-  // bind the public createElement fn to this instance
-  // so that we get proper render context inside it.
-  vm.$createElement = bind$1(createElement, vm);
-  if (vm.$options.el) {
-    vm.$mount(vm.$options.el);
-  }
-}
-
-function renderMixin (Vue) {
-  Vue.prototype.$nextTick = function (fn) {
-    nextTick(fn, this);
-  };
-
-  Vue.prototype._render = function () {
-    var vm = this;
-    var ref = vm.$options;
-    var render = ref.render;
-    var staticRenderFns = ref.staticRenderFns;
-    var _parentVnode = ref._parentVnode;
-
-    if (vm._isMounted) {
-      // clone slot nodes on re-renders
-      for (var key in vm.$slots) {
-        vm.$slots[key] = cloneVNodes(vm.$slots[key]);
-      }
-    }
-
-    if (staticRenderFns && !vm._staticTrees) {
-      vm._staticTrees = [];
-    }
-    // set parent vnode. this allows render functions to have access
-    // to the data on the placeholder node.
-    vm.$vnode = _parentVnode;
-    // render self
-    var vnode;
-    try {
-      vnode = render.call(vm._renderProxy, vm.$createElement);
-    } catch (e) {
-      {
-        warn(("Error when rendering " + (formatComponentName(vm)) + ":"));
-      }
-      /* istanbul ignore else */
-      if (config.errorHandler) {
-        config.errorHandler.call(null, e, vm);
-      } else {
-        if (config._isServer) {
-          throw e
-        } else {
-          setTimeout(function () { throw e }, 0);
-        }
-      }
-      // return previous vnode to prevent render error causing blank component
-      vnode = vm._vnode;
-    }
-    // return empty vnode in case the render function errored out
-    if (!(vnode instanceof VNode)) {
-      if ("development" !== 'production' && Array.isArray(vnode)) {
-        warn(
-          'Multiple root nodes returned from render function. Render function ' +
-          'should return a single root node.',
-          vm
-        );
-      }
-      vnode = emptyVNode();
-    }
-    // set parent
-    vnode.parent = _parentVnode;
-    return vnode
-  };
-
-  // shorthands used in render functions
-  Vue.prototype._h = createElement;
-  // toString for mustaches
-  Vue.prototype._s = _toString;
-  // number conversion
-  Vue.prototype._n = toNumber;
-  // empty vnode
-  Vue.prototype._e = emptyVNode;
-  // loose equal
-  Vue.prototype._q = looseEqual;
-  // loose indexOf
-  Vue.prototype._i = looseIndexOf;
-
-  // render static tree by index
-  Vue.prototype._m = function renderStatic (
-    index,
-    isInFor
-  ) {
-    var tree = this._staticTrees[index];
-    // if has already-rendered static tree and not inside v-for,
-    // we can reuse the same tree by doing a shallow clone.
-    if (tree && !isInFor) {
-      return Array.isArray(tree)
-        ? cloneVNodes(tree)
-        : cloneVNode(tree)
-    }
-    // otherwise, render a fresh tree.
-    tree = this._staticTrees[index] = this.$options.staticRenderFns[index].call(this._renderProxy);
-    if (Array.isArray(tree)) {
-      for (var i = 0; i < tree.length; i++) {
-        if (typeof tree[i] !== 'string') {
-          tree[i].isStatic = true;
-          tree[i].key = "__static__" + index + "_" + i;
-        }
-      }
-    } else {
-      tree.isStatic = true;
-      tree.key = "__static__" + index;
-    }
-    return tree
-  };
-
-  // filter resolution helper
-  var identity = function (_) { return _; };
-  Vue.prototype._f = function resolveFilter (id) {
-    return resolveAsset(this.$options, 'filters', id, true) || identity
-  };
-
-  // render v-for
-  Vue.prototype._l = function renderList (
-    val,
-    render
-  ) {
-    var ret, i, l, keys, key;
-    if (Array.isArray(val)) {
-      ret = new Array(val.length);
-      for (i = 0, l = val.length; i < l; i++) {
-        ret[i] = render(val[i], i);
-      }
-    } else if (typeof val === 'number') {
-      ret = new Array(val);
-      for (i = 0; i < val; i++) {
-        ret[i] = render(i + 1, i);
-      }
-    } else if (isObject(val)) {
-      keys = Object.keys(val);
-      ret = new Array(keys.length);
-      for (i = 0, l = keys.length; i < l; i++) {
-        key = keys[i];
-        ret[i] = render(val[key], key, i);
-      }
-    }
-    return ret
-  };
-
-  // renderSlot
-  Vue.prototype._t = function (
-    name,
-    fallback
-  ) {
-    var slotNodes = this.$slots[name];
-    // warn duplicate slot usage
-    if (slotNodes && "development" !== 'production') {
-      slotNodes._rendered && warn(
-        "Duplicate presence of slot \"" + name + "\" found in the same render tree " +
-        "- this will likely cause render errors.",
-        this
-      );
-      slotNodes._rendered = true;
-    }
-    return slotNodes || fallback
-  };
-
-  // apply v-bind object
-  Vue.prototype._b = function bindProps (
-    data,
-    value,
-    asProp
-  ) {
-    if (value) {
-      if (!isObject(value)) {
-        "development" !== 'production' && warn(
-          'v-bind without argument expects an Object or Array value',
-          this
-        );
-      } else {
-        if (Array.isArray(value)) {
-          value = toObject(value);
-        }
-        for (var key in value) {
-          if (key === 'class' || key === 'style') {
-            data[key] = value[key];
-          } else {
-            var hash = asProp || config.mustUseProp(key)
-              ? data.domProps || (data.domProps = {})
-              : data.attrs || (data.attrs = {});
-            hash[key] = value[key];
-          }
-        }
-      }
-    }
-    return data
-  };
-
-  // expose v-on keyCodes
-  Vue.prototype._k = function getKeyCodes (key) {
-    return config.keyCodes[key]
-  };
-}
-
-function resolveSlots (
-  renderChildren,
-  context
-) {
-  var slots = {};
-  if (!renderChildren) {
-    return slots
-  }
-  var children = normalizeChildren(renderChildren) || [];
-  var defaultSlot = [];
-  var name, child;
-  for (var i = 0, l = children.length; i < l; i++) {
-    child = children[i];
-    // named slots should only be respected if the vnode was rendered in the
-    // same context.
-    if ((child.context === context || child.functionalContext === context) &&
-        child.data && (name = child.data.slot)) {
-      var slot = (slots[name] || (slots[name] = []));
-      if (child.tag === 'template') {
-        slot.push.apply(slot, child.children);
-      } else {
-        slot.push(child);
-      }
-    } else {
-      defaultSlot.push(child);
-    }
-  }
-  // ignore single whitespace
-  if (defaultSlot.length && !(
-    defaultSlot.length === 1 &&
-    (defaultSlot[0].text === ' ' || defaultSlot[0].isComment)
-  )) {
-    slots.default = defaultSlot;
-  }
-  return slots
-}
-
-/*  */
-
-function initEvents (vm) {
-  vm._events = Object.create(null);
-  // init parent attached events
-  var listeners = vm.$options._parentListeners;
-  var on = bind$1(vm.$on, vm);
-  var off = bind$1(vm.$off, vm);
-  vm._updateListeners = function (listeners, oldListeners) {
-    updateListeners(listeners, oldListeners || {}, on, off, vm);
-  };
-  if (listeners) {
-    vm._updateListeners(listeners);
-  }
-}
-
-function eventsMixin (Vue) {
-  Vue.prototype.$on = function (event, fn) {
-    var vm = this;(vm._events[event] || (vm._events[event] = [])).push(fn);
-    return vm
-  };
-
-  Vue.prototype.$once = function (event, fn) {
-    var vm = this;
-    function on () {
-      vm.$off(event, on);
-      fn.apply(vm, arguments);
-    }
-    on.fn = fn;
-    vm.$on(event, on);
-    return vm
-  };
-
-  Vue.prototype.$off = function (event, fn) {
-    var vm = this;
-    // all
-    if (!arguments.length) {
-      vm._events = Object.create(null);
-      return vm
-    }
-    // specific event
-    var cbs = vm._events[event];
-    if (!cbs) {
-      return vm
-    }
-    if (arguments.length === 1) {
-      vm._events[event] = null;
-      return vm
-    }
-    // specific handler
-    var cb;
-    var i = cbs.length;
-    while (i--) {
-      cb = cbs[i];
-      if (cb === fn || cb.fn === fn) {
-        cbs.splice(i, 1);
-        break
-      }
-    }
-    return vm
-  };
-
-  Vue.prototype.$emit = function (event) {
-    var vm = this;
-    var cbs = vm._events[event];
-    if (cbs) {
-      cbs = cbs.length > 1 ? toArray(cbs) : cbs;
-      var args = toArray(arguments, 1);
-      for (var i = 0, l = cbs.length; i < l; i++) {
-        cbs[i].apply(vm, args);
-      }
-    }
-    return vm
-  };
-}
-
-/*  */
-
-var uid = 0;
-
-function initMixin (Vue) {
-  Vue.prototype._init = function (options) {
-    var vm = this;
-    // a uid
-    vm._uid = uid++;
-    // a flag to avoid this being observed
-    vm._isVue = true;
-    // merge options
-    if (options && options._isComponent) {
-      // optimize internal component instantiation
-      // since dynamic options merging is pretty slow, and none of the
-      // internal component options needs special treatment.
-      initInternalComponent(vm, options);
-    } else {
-      vm.$options = mergeOptions(
-        resolveConstructorOptions(vm),
-        options || {},
-        vm
-      );
-    }
-    /* istanbul ignore else */
-    {
-      initProxy(vm);
-    }
-    // expose real self
-    vm._self = vm;
-    initLifecycle(vm);
-    initEvents(vm);
-    callHook(vm, 'beforeCreate');
-    initState(vm);
-    callHook(vm, 'created');
-    initRender(vm);
-  };
-
-  function initInternalComponent (vm, options) {
-    var opts = vm.$options = Object.create(resolveConstructorOptions(vm));
-    // doing this because it's faster than dynamic enumeration.
-    opts.parent = options.parent;
-    opts.propsData = options.propsData;
-    opts._parentVnode = options._parentVnode;
-    opts._parentListeners = options._parentListeners;
-    opts._renderChildren = options._renderChildren;
-    opts._componentTag = options._componentTag;
-    if (options.render) {
-      opts.render = options.render;
-      opts.staticRenderFns = options.staticRenderFns;
-    }
-  }
-
-  function resolveConstructorOptions (vm) {
-    var Ctor = vm.constructor;
-    var options = Ctor.options;
-    if (Ctor.super) {
-      var superOptions = Ctor.super.options;
-      var cachedSuperOptions = Ctor.superOptions;
-      if (superOptions !== cachedSuperOptions) {
-        // super option changed
-        Ctor.superOptions = superOptions;
-        options = Ctor.options = mergeOptions(superOptions, Ctor.extendOptions);
-        if (options.name) {
-          options.components[options.name] = Ctor;
-        }
-      }
-    }
-    return options
-  }
-}
-
-function Vue$3 (options) {
-  if ("development" !== 'production' &&
-    !(this instanceof Vue$3)) {
-    warn('Vue is a constructor and should be called with the `new` keyword');
-  }
-  this._init(options);
-}
-
-initMixin(Vue$3);
-stateMixin(Vue$3);
-eventsMixin(Vue$3);
-lifecycleMixin(Vue$3);
-renderMixin(Vue$3);
-
-var warn = noop;
-var formatComponentName;
-
-{
-  var hasConsole = typeof console !== 'undefined';
-
-  warn = function (msg, vm) {
-    if (hasConsole && (!config.silent)) {
-      console.error("[Vue warn]: " + msg + " " + (
-        vm ? formatLocation(formatComponentName(vm)) : ''
-      ));
-    }
-  };
-
-  formatComponentName = function (vm) {
-    if (vm.$root === vm) {
-      return 'root instance'
-    }
-    var name = vm._isVue
-      ? vm.$options.name || vm.$options._componentTag
-      : vm.name;
-    return (
-      (name ? ("component <" + name + ">") : "anonymous component") +
-      (vm._isVue && vm.$options.__file ? (" at " + (vm.$options.__file)) : '')
-    )
-  };
-
-  var formatLocation = function (str) {
-    if (str === 'anonymous component') {
-      str += " - use the \"name\" option for better debugging messages.";
-    }
-    return ("\n(found in " + str + ")")
-  };
-}
-
-/*  */
-
-/**
- * Option overwriting strategies are functions that handle
- * how to merge a parent option value and a child option
- * value into the final value.
- */
-var strats = config.optionMergeStrategies;
-
-/**
- * Options with restrictions
- */
-{
-  strats.el = strats.propsData = function (parent, child, vm, key) {
-    if (!vm) {
-      warn(
-        "option \"" + key + "\" can only be used during instance " +
-        'creation with the `new` keyword.'
-      );
-    }
-    return defaultStrat(parent, child)
-  };
-}
-
-/**
- * Helper that recursively merges two data objects together.
- */
-function mergeData (to, from) {
-  var key, toVal, fromVal;
-  for (key in from) {
-    toVal = to[key];
-    fromVal = from[key];
-    if (!hasOwn(to, key)) {
-      set(to, key, fromVal);
-    } else if (isObject(toVal) && isObject(fromVal)) {
-      mergeData(toVal, fromVal);
-    }
-  }
-  return to
-}
-
-/**
- * Data
- */
-strats.data = function (
-  parentVal,
-  childVal,
-  vm
-) {
-  if (!vm) {
-    // in a Vue.extend merge, both should be functions
-    if (!childVal) {
-      return parentVal
-    }
-    if (typeof childVal !== 'function') {
-      "development" !== 'production' && warn(
-        'The "data" option should be a function ' +
-        'that returns a per-instance value in component ' +
-        'definitions.',
-        vm
-      );
-      return parentVal
-    }
-    if (!parentVal) {
-      return childVal
-    }
-    // when parentVal & childVal are both present,
-    // we need to return a function that returns the
-    // merged result of both functions... no need to
-    // check if parentVal is a function here because
-    // it has to be a function to pass previous merges.
-    return function mergedDataFn () {
-      return mergeData(
-        childVal.call(this),
-        parentVal.call(this)
-      )
-    }
-  } else if (parentVal || childVal) {
-    return function mergedInstanceDataFn () {
-      // instance merge
-      var instanceData = typeof childVal === 'function'
-        ? childVal.call(vm)
-        : childVal;
-      var defaultData = typeof parentVal === 'function'
-        ? parentVal.call(vm)
-        : undefined;
-      if (instanceData) {
-        return mergeData(instanceData, defaultData)
-      } else {
-        return defaultData
-      }
-    }
-  }
-};
-
-/**
- * Hooks and param attributes are merged as arrays.
- */
-function mergeHook (
-  parentVal,
-  childVal
-) {
-  return childVal
-    ? parentVal
-      ? parentVal.concat(childVal)
-      : Array.isArray(childVal)
-        ? childVal
-        : [childVal]
-    : parentVal
-}
-
-config._lifecycleHooks.forEach(function (hook) {
-  strats[hook] = mergeHook;
-});
-
-/**
- * Assets
- *
- * When a vm is present (instance creation), we need to do
- * a three-way merge between constructor options, instance
- * options and parent options.
- */
-function mergeAssets (parentVal, childVal) {
-  var res = Object.create(parentVal || null);
-  return childVal
-    ? extend(res, childVal)
-    : res
-}
-
-config._assetTypes.forEach(function (type) {
-  strats[type + 's'] = mergeAssets;
-});
-
-/**
- * Watchers.
- *
- * Watchers hashes should not overwrite one
- * another, so we merge them as arrays.
- */
-strats.watch = function (parentVal, childVal) {
-  /* istanbul ignore if */
-  if (!childVal) { return parentVal }
-  if (!parentVal) { return childVal }
-  var ret = {};
-  extend(ret, parentVal);
-  for (var key in childVal) {
-    var parent = ret[key];
-    var child = childVal[key];
-    if (parent && !Array.isArray(parent)) {
-      parent = [parent];
-    }
-    ret[key] = parent
-      ? parent.concat(child)
-      : [child];
-  }
-  return ret
-};
-
-/**
- * Other object hashes.
- */
-strats.props =
-strats.methods =
-strats.computed = function (parentVal, childVal) {
-  if (!childVal) { return parentVal }
-  if (!parentVal) { return childVal }
-  var ret = Object.create(null);
-  extend(ret, parentVal);
-  extend(ret, childVal);
-  return ret
-};
-
-/**
- * Default strategy.
- */
-var defaultStrat = function (parentVal, childVal) {
-  return childVal === undefined
-    ? parentVal
-    : childVal
-};
-
-/**
- * Make sure component options get converted to actual
- * constructors.
- */
-function normalizeComponents (options) {
-  if (options.components) {
-    var components = options.components;
-    var def;
-    for (var key in components) {
-      var lower = key.toLowerCase();
-      if (isBuiltInTag(lower) || config.isReservedTag(lower)) {
-        "development" !== 'production' && warn(
-          'Do not use built-in or reserved HTML elements as component ' +
-          'id: ' + key
-        );
-        continue
-      }
-      def = components[key];
-      if (isPlainObject(def)) {
-        components[key] = Vue$3.extend(def);
-      }
-    }
-  }
-}
-
-/**
- * Ensure all props option syntax are normalized into the
- * Object-based format.
- */
-function normalizeProps (options) {
-  var props = options.props;
-  if (!props) { return }
-  var res = {};
-  var i, val, name;
-  if (Array.isArray(props)) {
-    i = props.length;
-    while (i--) {
-      val = props[i];
-      if (typeof val === 'string') {
-        name = camelize(val);
-        res[name] = { type: null };
-      } else {
-        warn('props must be strings when using array syntax.');
-      }
-    }
-  } else if (isPlainObject(props)) {
-    for (var key in props) {
-      val = props[key];
-      name = camelize(key);
-      res[name] = isPlainObject(val)
-        ? val
-        : { type: val };
-    }
-  }
-  options.props = res;
-}
-
-/**
- * Normalize raw function directives into object format.
- */
-function normalizeDirectives (options) {
-  var dirs = options.directives;
-  if (dirs) {
-    for (var key in dirs) {
-      var def = dirs[key];
-      if (typeof def === 'function') {
-        dirs[key] = { bind: def, update: def };
-      }
-    }
-  }
-}
-
-/**
- * Merge two option objects into a new one.
- * Core utility used in both instantiation and inheritance.
- */
-function mergeOptions (
-  parent,
-  child,
-  vm
-) {
-  normalizeComponents(child);
-  normalizeProps(child);
-  normalizeDirectives(child);
-  var extendsFrom = child.extends;
-  if (extendsFrom) {
-    parent = typeof extendsFrom === 'function'
-      ? mergeOptions(parent, extendsFrom.options, vm)
-      : mergeOptions(parent, extendsFrom, vm);
-  }
-  if (child.mixins) {
-    for (var i = 0, l = child.mixins.length; i < l; i++) {
-      var mixin = child.mixins[i];
-      if (mixin.prototype instanceof Vue$3) {
-        mixin = mixin.options;
-      }
-      parent = mergeOptions(parent, mixin, vm);
-    }
-  }
-  var options = {};
-  var key;
-  for (key in parent) {
-    mergeField(key);
-  }
-  for (key in child) {
-    if (!hasOwn(parent, key)) {
-      mergeField(key);
-    }
-  }
-  function mergeField (key) {
-    var strat = strats[key] || defaultStrat;
-    options[key] = strat(parent[key], child[key], vm, key);
-  }
-  return options
-}
-
-/**
- * Resolve an asset.
- * This function is used because child instances need access
- * to assets defined in its ancestor chain.
- */
-function resolveAsset (
-  options,
-  type,
-  id,
-  warnMissing
-) {
-  /* istanbul ignore if */
-  if (typeof id !== 'string') {
-    return
-  }
-  var assets = options[type];
-  var res = assets[id] ||
-    // camelCase ID
-    assets[camelize(id)] ||
-    // Pascal Case ID
-    assets[capitalize(camelize(id))];
-  if ("development" !== 'production' && warnMissing && !res) {
-    warn(
-      'Failed to resolve ' + type.slice(0, -1) + ': ' + id,
-      options
-    );
-  }
-  return res
-}
-
-/*  */
-
-function validateProp (
-  key,
-  propOptions,
-  propsData,
-  vm
-) {
-  var prop = propOptions[key];
-  var absent = !hasOwn(propsData, key);
-  var value = propsData[key];
-  // handle boolean props
-  if (isBooleanType(prop.type)) {
-    if (absent && !hasOwn(prop, 'default')) {
-      value = false;
-    } else if (value === '' || value === hyphenate(key)) {
-      value = true;
-    }
-  }
-  // check default value
-  if (value === undefined) {
-    value = getPropDefaultValue(vm, prop, key);
-    // since the default value is a fresh copy,
-    // make sure to observe it.
-    var prevShouldConvert = observerState.shouldConvert;
-    observerState.shouldConvert = true;
-    observe(value);
-    observerState.shouldConvert = prevShouldConvert;
-  }
-  {
-    assertProp(prop, key, value, vm, absent);
-  }
-  return value
-}
-
-/**
- * Get the default value of a prop.
- */
-function getPropDefaultValue (vm, prop, name) {
-  // no default, return undefined
-  if (!hasOwn(prop, 'default')) {
-    return undefined
-  }
-  var def = prop.default;
-  // warn against non-factory defaults for Object & Array
-  if (isObject(def)) {
-    "development" !== 'production' && warn(
-      'Invalid default value for prop "' + name + '": ' +
-      'Props with type Object/Array must use a factory function ' +
-      'to return the default value.',
-      vm
-    );
-  }
-  // call factory function for non-Function types
-  return typeof def === 'function' && prop.type !== Function
-    ? def.call(vm)
-    : def
-}
-
-/**
- * Assert whether a prop is valid.
- */
-function assertProp (
-  prop,
-  name,
-  value,
-  vm,
-  absent
-) {
-  if (prop.required && absent) {
-    warn(
-      'Missing required prop: "' + name + '"',
-      vm
-    );
-    return
-  }
-  if (value == null && !prop.required) {
-    return
-  }
-  var type = prop.type;
-  var valid = !type || type === true;
-  var expectedTypes = [];
-  if (type) {
-    if (!Array.isArray(type)) {
-      type = [type];
-    }
-    for (var i = 0; i < type.length && !valid; i++) {
-      var assertedType = assertType(value, type[i]);
-      expectedTypes.push(assertedType.expectedType);
-      valid = assertedType.valid;
-    }
-  }
-  if (!valid) {
-    warn(
-      'Invalid prop: type check failed for prop "' + name + '".' +
-      ' Expected ' + expectedTypes.map(capitalize).join(', ') +
-      ', got ' + Object.prototype.toString.call(value).slice(8, -1) + '.',
-      vm
-    );
-    return
-  }
-  var validator = prop.validator;
-  if (validator) {
-    if (!validator(value)) {
-      warn(
-        'Invalid prop: custom validator check failed for prop "' + name + '".',
-        vm
-      );
-    }
-  }
-}
-
-/**
- * Assert the type of a value
- */
-function assertType (value, type) {
-  var valid;
-  var expectedType = getType(type);
-  if (expectedType === 'String') {
-    valid = typeof value === (expectedType = 'string');
-  } else if (expectedType === 'Number') {
-    valid = typeof value === (expectedType = 'number');
-  } else if (expectedType === 'Boolean') {
-    valid = typeof value === (expectedType = 'boolean');
-  } else if (expectedType === 'Function') {
-    valid = typeof value === (expectedType = 'function');
-  } else if (expectedType === 'Object') {
-    valid = isPlainObject(value);
-  } else if (expectedType === 'Array') {
-    valid = Array.isArray(value);
-  } else {
-    valid = value instanceof type;
-  }
-  return {
-    valid: valid,
-    expectedType: expectedType
-  }
-}
-
-/**
- * Use function string name to check built-in types,
- * because a simple equality check will fail when running
- * across different vms / iframes.
- */
-function getType (fn) {
-  var match = fn && fn.toString().match(/^\s*function (\w+)/);
-  return match && match[1]
-}
-
-function isBooleanType (fn) {
-  if (!Array.isArray(fn)) {
-    return getType(fn) === 'Boolean'
-  }
-  for (var i = 0, len = fn.length; i < len; i++) {
-    if (getType(fn[i]) === 'Boolean') {
-      return true
-    }
-  }
-  /* istanbul ignore next */
-  return false
-}
-
-
-
-var util = Object.freeze({
-	defineReactive: defineReactive$$1,
-	_toString: _toString,
-	toNumber: toNumber,
-	makeMap: makeMap,
-	isBuiltInTag: isBuiltInTag,
-	remove: remove$1,
-	hasOwn: hasOwn,
-	isPrimitive: isPrimitive,
-	cached: cached,
-	camelize: camelize,
-	capitalize: capitalize,
-	hyphenate: hyphenate,
-	bind: bind$1,
-	toArray: toArray,
-	extend: extend,
-	isObject: isObject,
-	isPlainObject: isPlainObject,
-	toObject: toObject,
-	noop: noop,
-	no: no,
-	genStaticKeys: genStaticKeys,
-	looseEqual: looseEqual,
-	looseIndexOf: looseIndexOf,
-	isReserved: isReserved,
-	def: def,
-	parsePath: parsePath,
-	hasProto: hasProto,
-	inBrowser: inBrowser,
-	UA: UA,
-	isIE: isIE,
-	isIE9: isIE9,
-	isEdge: isEdge,
-	isAndroid: isAndroid,
-	isIOS: isIOS,
-	devtools: devtools,
-	nextTick: nextTick,
-	get _Set () { return _Set; },
-	mergeOptions: mergeOptions,
-	resolveAsset: resolveAsset,
-	get warn () { return warn; },
-	get formatComponentName () { return formatComponentName; },
-	validateProp: validateProp
-});
-
-/*  */
-
-function initUse (Vue) {
-  Vue.use = function (plugin) {
-    /* istanbul ignore if */
-    if (plugin.installed) {
-      return
-    }
-    // additional parameters
-    var args = toArray(arguments, 1);
-    args.unshift(this);
-    if (typeof plugin.install === 'function') {
-      plugin.install.apply(plugin, args);
-    } else {
-      plugin.apply(null, args);
-    }
-    plugin.installed = true;
-    return this
-  };
-}
-
-/*  */
-
-function initMixin$1 (Vue) {
-  Vue.mixin = function (mixin) {
-    Vue.options = mergeOptions(Vue.options, mixin);
-  };
-}
-
-/*  */
-
-function initExtend (Vue) {
-  /**
-   * Each instance constructor, including Vue, has a unique
-   * cid. This enables us to create wrapped "child
-   * constructors" for prototypal inheritance and cache them.
-   */
-  Vue.cid = 0;
-  var cid = 1;
-
-  /**
-   * Class inheritance
-   */
-  Vue.extend = function (extendOptions) {
-    extendOptions = extendOptions || {};
-    var Super = this;
-    var isFirstExtend = Super.cid === 0;
-    if (isFirstExtend && extendOptions._Ctor) {
-      return extendOptions._Ctor
-    }
-    var name = extendOptions.name || Super.options.name;
-    {
-      if (!/^[a-zA-Z][\w-]*$/.test(name)) {
-        warn(
-          'Invalid component name: "' + name + '". Component names ' +
-          'can only contain alphanumeric characaters and the hyphen.'
-        );
-        name = null;
-      }
-    }
-    var Sub = function VueComponent (options) {
-      this._init(options);
-    };
-    Sub.prototype = Object.create(Super.prototype);
-    Sub.prototype.constructor = Sub;
-    Sub.cid = cid++;
-    Sub.options = mergeOptions(
-      Super.options,
-      extendOptions
-    );
-    Sub['super'] = Super;
-    // allow further extension
-    Sub.extend = Super.extend;
-    // create asset registers, so extended classes
-    // can have their private assets too.
-    config._assetTypes.forEach(function (type) {
-      Sub[type] = Super[type];
-    });
-    // enable recursive self-lookup
-    if (name) {
-      Sub.options.components[name] = Sub;
-    }
-    // keep a reference to the super options at extension time.
-    // later at instantiation we can check if Super's options have
-    // been updated.
-    Sub.superOptions = Super.options;
-    Sub.extendOptions = extendOptions;
-    // cache constructor
-    if (isFirstExtend) {
-      extendOptions._Ctor = Sub;
-    }
-    return Sub
-  };
-}
-
-/*  */
-
-function initAssetRegisters (Vue) {
-  /**
-   * Create asset registration methods.
-   */
-  config._assetTypes.forEach(function (type) {
-    Vue[type] = function (
-      id,
-      definition
-    ) {
-      if (!definition) {
-        return this.options[type + 's'][id]
-      } else {
-        /* istanbul ignore if */
-        {
-          if (type === 'component' && config.isReservedTag(id)) {
-            warn(
-              'Do not use built-in or reserved HTML elements as component ' +
-              'id: ' + id
-            );
-          }
-        }
-        if (type === 'component' && isPlainObject(definition)) {
-          definition.name = definition.name || id;
-          definition = Vue.extend(definition);
-        }
-        if (type === 'directive' && typeof definition === 'function') {
-          definition = { bind: definition, update: definition };
-        }
-        this.options[type + 's'][id] = definition;
-        return definition
-      }
-    };
-  });
-}
-
-var KeepAlive = {
-  name: 'keep-alive',
-  abstract: true,
-  created: function created () {
-    this.cache = Object.create(null);
-  },
-  render: function render () {
-    var vnode = getFirstComponentChild(this.$slots.default);
-    if (vnode && vnode.componentOptions) {
-      var opts = vnode.componentOptions;
-      var key = vnode.key == null
-        // same constructor may get registered as different local components
-        // so cid alone is not enough (#3269)
-        ? opts.Ctor.cid + '::' + opts.tag
-        : vnode.key;
-      if (this.cache[key]) {
-        vnode.child = this.cache[key].child;
-      } else {
-        this.cache[key] = vnode;
-      }
-      vnode.data.keepAlive = true;
-    }
-    return vnode
-  },
-  destroyed: function destroyed () {
-    var this$1 = this;
-
-    for (var key in this.cache) {
-      var vnode = this$1.cache[key];
-      callHook(vnode.child, 'deactivated');
-      vnode.child.$destroy();
-    }
-  }
-};
-
-var builtInComponents = {
-  KeepAlive: KeepAlive
-};
-
-/*  */
-
-function initGlobalAPI (Vue) {
-  // config
-  var configDef = {};
-  configDef.get = function () { return config; };
-  {
-    configDef.set = function () {
-      warn(
-        'Do not replace the Vue.config object, set individual fields instead.'
-      );
-    };
-  }
-  Object.defineProperty(Vue, 'config', configDef);
-  Vue.util = util;
-  Vue.set = set;
-  Vue.delete = del;
-  Vue.nextTick = nextTick;
-
-  Vue.options = Object.create(null);
-  config._assetTypes.forEach(function (type) {
-    Vue.options[type + 's'] = Object.create(null);
-  });
-
-  extend(Vue.options.components, builtInComponents);
-
-  initUse(Vue);
-  initMixin$1(Vue);
-  initExtend(Vue);
-  initAssetRegisters(Vue);
-}
-
-initGlobalAPI(Vue$3);
-
-Object.defineProperty(Vue$3.prototype, '$isServer', {
-  get: function () { return config._isServer; }
-});
-
-Vue$3.version = '2.0.3';
-
-/*  */
-
-// attributes that should be using props for binding
-var mustUseProp = makeMap('value,selected,checked,muted');
-
-var isEnumeratedAttr = makeMap('contenteditable,draggable,spellcheck');
-
-var isBooleanAttr = makeMap(
-  'allowfullscreen,async,autofocus,autoplay,checked,compact,controls,declare,' +
-  'default,defaultchecked,defaultmuted,defaultselected,defer,disabled,' +
-  'enabled,formnovalidate,hidden,indeterminate,inert,ismap,itemscope,loop,multiple,' +
-  'muted,nohref,noresize,noshade,novalidate,nowrap,open,pauseonexit,readonly,' +
-  'required,reversed,scoped,seamless,selected,sortable,translate,' +
-  'truespeed,typemustmatch,visible'
-);
-
-var isAttr = makeMap(
-  'accept,accept-charset,accesskey,action,align,alt,async,autocomplete,' +
-  'autofocus,autoplay,autosave,bgcolor,border,buffered,challenge,charset,' +
-  'checked,cite,class,code,codebase,color,cols,colspan,content,http-equiv,' +
-  'name,contenteditable,contextmenu,controls,coords,data,datetime,default,' +
-  'defer,dir,dirname,disabled,download,draggable,dropzone,enctype,method,for,' +
-  'form,formaction,headers,<th>,height,hidden,high,href,hreflang,http-equiv,' +
-  'icon,id,ismap,itemprop,keytype,kind,label,lang,language,list,loop,low,' +
-  'manifest,max,maxlength,media,method,GET,POST,min,multiple,email,file,' +
-  'muted,name,novalidate,open,optimum,pattern,ping,placeholder,poster,' +
-  'preload,radiogroup,readonly,rel,required,reversed,rows,rowspan,sandbox,' +
-  'scope,scoped,seamless,selected,shape,size,type,text,password,sizes,span,' +
-  'spellcheck,src,srcdoc,srclang,srcset,start,step,style,summary,tabindex,' +
-  'target,title,type,usemap,value,width,wrap'
-);
-
-
-
-var xlinkNS = 'http://www.w3.org/1999/xlink';
-
-var isXlink = function (name) {
-  return name.charAt(5) === ':' && name.slice(0, 5) === 'xlink'
-};
-
-var getXlinkProp = function (name) {
-  return isXlink(name) ? name.slice(6, name.length) : ''
-};
-
-var isFalsyAttrValue = function (val) {
-  return val == null || val === false
-};
-
-/*  */
-
-function genClassForVnode (vnode) {
-  var data = vnode.data;
-  var parentNode = vnode;
-  var childNode = vnode;
-  while (childNode.child) {
-    childNode = childNode.child._vnode;
-    if (childNode.data) {
-      data = mergeClassData(childNode.data, data);
-    }
-  }
-  while ((parentNode = parentNode.parent)) {
-    if (parentNode.data) {
-      data = mergeClassData(data, parentNode.data);
-    }
-  }
-  return genClassFromData(data)
-}
-
-function mergeClassData (child, parent) {
-  return {
-    staticClass: concat(child.staticClass, parent.staticClass),
-    class: child.class
-      ? [child.class, parent.class]
-      : parent.class
-  }
-}
-
-function genClassFromData (data) {
-  var dynamicClass = data.class;
-  var staticClass = data.staticClass;
-  if (staticClass || dynamicClass) {
-    return concat(staticClass, stringifyClass(dynamicClass))
-  }
-  /* istanbul ignore next */
-  return ''
-}
-
-function concat (a, b) {
-  return a ? b ? (a + ' ' + b) : a : (b || '')
-}
-
-function stringifyClass (value) {
-  var res = '';
-  if (!value) {
-    return res
-  }
-  if (typeof value === 'string') {
-    return value
-  }
-  if (Array.isArray(value)) {
-    var stringified;
-    for (var i = 0, l = value.length; i < l; i++) {
-      if (value[i]) {
-        if ((stringified = stringifyClass(value[i]))) {
-          res += stringified + ' ';
-        }
-      }
-    }
-    return res.slice(0, -1)
-  }
-  if (isObject(value)) {
-    for (var key in value) {
-      if (value[key]) { res += key + ' '; }
-    }
-    return res.slice(0, -1)
-  }
-  /* istanbul ignore next */
-  return res
-}
-
-/*  */
-
-var namespaceMap = {
-  svg: 'http://www.w3.org/2000/svg',
-  math: 'http://www.w3.org/1998/Math/MathML'
-};
-
-var isHTMLTag = makeMap(
-  'html,body,base,head,link,meta,style,title,' +
-  'address,article,aside,footer,header,h1,h2,h3,h4,h5,h6,hgroup,nav,section,' +
-  'div,dd,dl,dt,figcaption,figure,hr,img,li,main,ol,p,pre,ul,' +
-  'a,b,abbr,bdi,bdo,br,cite,code,data,dfn,em,i,kbd,mark,q,rp,rt,rtc,ruby,' +
-  's,samp,small,span,strong,sub,sup,time,u,var,wbr,area,audio,map,track,video,' +
-  'embed,object,param,source,canvas,script,noscript,del,ins,' +
-  'caption,col,colgroup,table,thead,tbody,td,th,tr,' +
-  'button,datalist,fieldset,form,input,label,legend,meter,optgroup,option,' +
-  'output,progress,select,textarea,' +
-  'details,dialog,menu,menuitem,summary,' +
-  'content,element,shadow,template'
-);
-
-var isUnaryTag = makeMap(
-  'area,base,br,col,embed,frame,hr,img,input,isindex,keygen,' +
-  'link,meta,param,source,track,wbr',
-  true
-);
-
-// Elements that you can, intentionally, leave open
-// (and which close themselves)
-var canBeLeftOpenTag = makeMap(
-  'colgroup,dd,dt,li,options,p,td,tfoot,th,thead,tr,source',
-  true
-);
-
-// HTML5 tags https://html.spec.whatwg.org/multipage/indices.html#elements-3
-// Phrasing Content https://html.spec.whatwg.org/multipage/dom.html#phrasing-content
-var isNonPhrasingTag = makeMap(
-  'address,article,aside,base,blockquote,body,caption,col,colgroup,dd,' +
-  'details,dialog,div,dl,dt,fieldset,figcaption,figure,footer,form,' +
-  'h1,h2,h3,h4,h5,h6,head,header,hgroup,hr,html,legend,li,menuitem,meta,' +
-  'optgroup,option,param,rp,rt,source,style,summary,tbody,td,tfoot,th,thead,' +
-  'title,tr,track',
-  true
-);
-
-// this map is intentionally selective, only covering SVG elements that may
-// contain child elements.
-var isSVG = makeMap(
-  'svg,animate,circle,clippath,cursor,defs,desc,ellipse,filter,font,' +
-  'font-face,g,glyph,image,line,marker,mask,missing-glyph,path,pattern,' +
-  'polygon,polyline,rect,switch,symbol,text,textpath,tspan,use,view',
-  true
-);
-
-var isPreTag = function (tag) { return tag === 'pre'; };
-
-var isReservedTag = function (tag) {
-  return isHTMLTag(tag) || isSVG(tag)
-};
-
-function getTagNamespace (tag) {
-  if (isSVG(tag)) {
-    return 'svg'
-  }
-  // basic support for MathML
-  // note it doesn't support other MathML elements being component roots
-  if (tag === 'math') {
-    return 'math'
-  }
-}
-
-var unknownElementCache = Object.create(null);
-function isUnknownElement (tag) {
-  /* istanbul ignore if */
-  if (!inBrowser) {
-    return true
-  }
-  if (isReservedTag(tag)) {
-    return false
-  }
-  tag = tag.toLowerCase();
-  /* istanbul ignore if */
-  if (unknownElementCache[tag] != null) {
-    return unknownElementCache[tag]
-  }
-  var el = document.createElement(tag);
-  if (tag.indexOf('-') > -1) {
-    // http://stackoverflow.com/a/28210364/1070244
-    return (unknownElementCache[tag] = (
-      el.constructor === window.HTMLUnknownElement ||
-      el.constructor === window.HTMLElement
-    ))
-  } else {
-    return (unknownElementCache[tag] = /HTMLUnknownElement/.test(el.toString()))
-  }
-}
-
-/*  */
-
-/**
- * Query an element selector if it's not an element already.
- */
-function query (el) {
-  if (typeof el === 'string') {
-    var selector = el;
-    el = document.querySelector(el);
-    if (!el) {
-      "development" !== 'production' && warn(
-        'Cannot find element: ' + selector
-      );
-      return document.createElement('div')
-    }
-  }
-  return el
-}
-
-/*  */
-
-function createElement$1 (tagName, vnode) {
-  var elm = document.createElement(tagName);
-  if (tagName !== 'select') {
-    return elm
-  }
-  if (vnode.data && vnode.data.attrs && 'multiple' in vnode.data.attrs) {
-    elm.setAttribute('multiple', 'multiple');
-  }
-  return elm
-}
-
-function createElementNS (namespace, tagName) {
-  return document.createElementNS(namespaceMap[namespace], tagName)
-}
-
-function createTextNode (text) {
-  return document.createTextNode(text)
-}
-
-function createComment (text) {
-  return document.createComment(text)
-}
-
-function insertBefore (parentNode, newNode, referenceNode) {
-  parentNode.insertBefore(newNode, referenceNode);
-}
-
-function removeChild (node, child) {
-  node.removeChild(child);
-}
-
-function appendChild (node, child) {
-  node.appendChild(child);
-}
-
-function parentNode (node) {
-  return node.parentNode
-}
-
-function nextSibling (node) {
-  return node.nextSibling
-}
-
-function tagName (node) {
-  return node.tagName
-}
-
-function setTextContent (node, text) {
-  node.textContent = text;
-}
-
-function childNodes (node) {
-  return node.childNodes
-}
-
-function setAttribute (node, key, val) {
-  node.setAttribute(key, val);
-}
-
-
-var nodeOps = Object.freeze({
-	createElement: createElement$1,
-	createElementNS: createElementNS,
-	createTextNode: createTextNode,
-	createComment: createComment,
-	insertBefore: insertBefore,
-	removeChild: removeChild,
-	appendChild: appendChild,
-	parentNode: parentNode,
-	nextSibling: nextSibling,
-	tagName: tagName,
-	setTextContent: setTextContent,
-	childNodes: childNodes,
-	setAttribute: setAttribute
-});
-
-/*  */
-
-var ref = {
-  create: function create (_, vnode) {
-    registerRef(vnode);
-  },
-  update: function update (oldVnode, vnode) {
-    if (oldVnode.data.ref !== vnode.data.ref) {
-      registerRef(oldVnode, true);
-      registerRef(vnode);
-    }
-  },
-  destroy: function destroy (vnode) {
-    registerRef(vnode, true);
-  }
-};
-
-function registerRef (vnode, isRemoval) {
-  var key = vnode.data.ref;
-  if (!key) { return }
-
-  var vm = vnode.context;
-  var ref = vnode.child || vnode.elm;
-  var refs = vm.$refs;
-  if (isRemoval) {
-    if (Array.isArray(refs[key])) {
-      remove$1(refs[key], ref);
-    } else if (refs[key] === ref) {
-      refs[key] = undefined;
-    }
-  } else {
-    if (vnode.data.refInFor) {
-      if (Array.isArray(refs[key])) {
-        refs[key].push(ref);
-      } else {
-        refs[key] = [ref];
-      }
-    } else {
-      refs[key] = ref;
-    }
-  }
-}
-
-/**
- * Virtual DOM patching algorithm based on Snabbdom by
- * Simon Friis Vindum (@paldepind)
- * Licensed under the MIT License
- * https://github.com/paldepind/snabbdom/blob/master/LICENSE
- *
- * modified by Evan You (@yyx990803)
- *
-
-/*
- * Not type-checking this because this file is perf-critical and the cost
- * of making flow understand it is not worth it.
- */
-
-var emptyNode = new VNode('', {}, []);
-
-var hooks$1 = ['create', 'update', 'remove', 'destroy'];
-
-function isUndef (s) {
-  return s == null
-}
-
-function isDef (s) {
-  return s != null
-}
-
-function sameVnode (vnode1, vnode2) {
-  return (
-    vnode1.key === vnode2.key &&
-    vnode1.tag === vnode2.tag &&
-    vnode1.isComment === vnode2.isComment &&
-    !vnode1.data === !vnode2.data
-  )
-}
-
-function createKeyToOldIdx (children, beginIdx, endIdx) {
-  var i, key;
-  var map = {};
-  for (i = beginIdx; i <= endIdx; ++i) {
-    key = children[i].key;
-    if (isDef(key)) { map[key] = i; }
-  }
-  return map
-}
-
-function createPatchFunction (backend) {
-  var i, j;
-  var cbs = {};
-
-  var modules = backend.modules;
-  var nodeOps = backend.nodeOps;
-
-  for (i = 0; i < hooks$1.length; ++i) {
-    cbs[hooks$1[i]] = [];
-    for (j = 0; j < modules.length; ++j) {
-      if (modules[j][hooks$1[i]] !== undefined) { cbs[hooks$1[i]].push(modules[j][hooks$1[i]]); }
-    }
-  }
-
-  function emptyNodeAt (elm) {
-    return new VNode(nodeOps.tagName(elm).toLowerCase(), {}, [], undefined, elm)
-  }
-
-  function createRmCb (childElm, listeners) {
-    function remove$$1 () {
-      if (--remove$$1.listeners === 0) {
-        removeElement(childElm);
-      }
-    }
-    remove$$1.listeners = listeners;
-    return remove$$1
-  }
-
-  function removeElement (el) {
-    var parent = nodeOps.parentNode(el);
-    nodeOps.removeChild(parent, el);
-  }
-
-  function createElm (vnode, insertedVnodeQueue, nested) {
-    var i;
-    var data = vnode.data;
-    vnode.isRootInsert = !nested;
-    if (isDef(data)) {
-      if (isDef(i = data.hook) && isDef(i = i.init)) { i(vnode); }
-      // after calling the init hook, if the vnode is a child component
-      // it should've created a child instance and mounted it. the child
-      // component also has set the placeholder vnode's elm.
-      // in that case we can just return the element and be done.
-      if (isDef(i = vnode.child)) {
-        initComponent(vnode, insertedVnodeQueue);
-        return vnode.elm
-      }
-    }
-    var children = vnode.children;
-    var tag = vnode.tag;
-    if (isDef(tag)) {
-      {
-        if (
-          !vnode.ns &&
-          !(config.ignoredElements && config.ignoredElements.indexOf(tag) > -1) &&
-          config.isUnknownElement(tag)
-        ) {
-          warn(
-            'Unknown custom element: <' + tag + '> - did you ' +
-            'register the component correctly? For recursive components, ' +
-            'make sure to provide the "name" option.',
-            vnode.context
-          );
-        }
-      }
-      vnode.elm = vnode.ns
-        ? nodeOps.createElementNS(vnode.ns, tag)
-        : nodeOps.createElement(tag, vnode);
-      setScope(vnode);
-      createChildren(vnode, children, insertedVnodeQueue);
-      if (isDef(data)) {
-        invokeCreateHooks(vnode, insertedVnodeQueue);
-      }
-    } else if (vnode.isComment) {
-      vnode.elm = nodeOps.createComment(vnode.text);
-    } else {
-      vnode.elm = nodeOps.createTextNode(vnode.text);
-    }
-    return vnode.elm
-  }
-
-  function createChildren (vnode, children, insertedVnodeQueue) {
-    if (Array.isArray(children)) {
-      for (var i = 0; i < children.length; ++i) {
-        nodeOps.appendChild(vnode.elm, createElm(children[i], insertedVnodeQueue, true));
-      }
-    } else if (isPrimitive(vnode.text)) {
-      nodeOps.appendChild(vnode.elm, nodeOps.createTextNode(vnode.text));
-    }
-  }
-
-  function isPatchable (vnode) {
-    while (vnode.child) {
-      vnode = vnode.child._vnode;
-    }
-    return isDef(vnode.tag)
-  }
-
-  function invokeCreateHooks (vnode, insertedVnodeQueue) {
-    for (var i$1 = 0; i$1 < cbs.create.length; ++i$1) {
-      cbs.create[i$1](emptyNode, vnode);
-    }
-    i = vnode.data.hook; // Reuse variable
-    if (isDef(i)) {
-      if (i.create) { i.create(emptyNode, vnode); }
-      if (i.insert) { insertedVnodeQueue.push(vnode); }
-    }
-  }
-
-  function initComponent (vnode, insertedVnodeQueue) {
-    if (vnode.data.pendingInsert) {
-      insertedVnodeQueue.push.apply(insertedVnodeQueue, vnode.data.pendingInsert);
-    }
-    vnode.elm = vnode.child.$el;
-    if (isPatchable(vnode)) {
-      invokeCreateHooks(vnode, insertedVnodeQueue);
-      setScope(vnode);
-    } else {
-      // empty component root.
-      // skip all element-related modules except for ref (#3455)
-      registerRef(vnode);
-      // make sure to invoke the insert hook
-      insertedVnodeQueue.push(vnode);
-    }
-  }
-
-  // set scope id attribute for scoped CSS.
-  // this is implemented as a special case to avoid the overhead
-  // of going through the normal attribute patching process.
-  function setScope (vnode) {
-    var i;
-    if (isDef(i = vnode.context) && isDef(i = i.$options._scopeId)) {
-      nodeOps.setAttribute(vnode.elm, i, '');
-    }
-    if (isDef(i = activeInstance) &&
-        i !== vnode.context &&
-        isDef(i = i.$options._scopeId)) {
-      nodeOps.setAttribute(vnode.elm, i, '');
-    }
-  }
-
-  function addVnodes (parentElm, before, vnodes, startIdx, endIdx, insertedVnodeQueue) {
-    for (; startIdx <= endIdx; ++startIdx) {
-      nodeOps.insertBefore(parentElm, createElm(vnodes[startIdx], insertedVnodeQueue), before);
-    }
-  }
-
-  function invokeDestroyHook (vnode) {
-    var i, j;
-    var data = vnode.data;
-    if (isDef(data)) {
-      if (isDef(i = data.hook) && isDef(i = i.destroy)) { i(vnode); }
-      for (i = 0; i < cbs.destroy.length; ++i) { cbs.destroy[i](vnode); }
-    }
-    if (isDef(i = vnode.children)) {
-      for (j = 0; j < vnode.children.length; ++j) {
-        invokeDestroyHook(vnode.children[j]);
-      }
-    }
-  }
-
-  function removeVnodes (parentElm, vnodes, startIdx, endIdx) {
-    for (; startIdx <= endIdx; ++startIdx) {
-      var ch = vnodes[startIdx];
-      if (isDef(ch)) {
-        if (isDef(ch.tag)) {
-          removeAndInvokeRemoveHook(ch);
-          invokeDestroyHook(ch);
-        } else { // Text node
-          nodeOps.removeChild(parentElm, ch.elm);
-        }
-      }
-    }
-  }
-
-  function removeAndInvokeRemoveHook (vnode, rm) {
-    if (rm || isDef(vnode.data)) {
-      var listeners = cbs.remove.length + 1;
-      if (!rm) {
-        // directly removing
-        rm = createRmCb(vnode.elm, listeners);
-      } else {
-        // we have a recursively passed down rm callback
-        // increase the listeners count
-        rm.listeners += listeners;
-      }
-      // recursively invoke hooks on child component root node
-      if (isDef(i = vnode.child) && isDef(i = i._vnode) && isDef(i.data)) {
-        removeAndInvokeRemoveHook(i, rm);
-      }
-      for (i = 0; i < cbs.remove.length; ++i) {
-        cbs.remove[i](vnode, rm);
-      }
-      if (isDef(i = vnode.data.hook) && isDef(i = i.remove)) {
-        i(vnode, rm);
-      } else {
-        rm();
-      }
-    } else {
-      removeElement(vnode.elm);
-    }
-  }
-
-  function updateChildren (parentElm, oldCh, newCh, insertedVnodeQueue, removeOnly) {
-    var oldStartIdx = 0;
-    var newStartIdx = 0;
-    var oldEndIdx = oldCh.length - 1;
-    var oldStartVnode = oldCh[0];
-    var oldEndVnode = oldCh[oldEndIdx];
-    var newEndIdx = newCh.length - 1;
-    var newStartVnode = newCh[0];
-    var newEndVnode = newCh[newEndIdx];
-    var oldKeyToIdx, idxInOld, elmToMove, before;
-
-    // removeOnly is a special flag used only by <transition-group>
-    // to ensure removed elements stay in correct relative positions
-    // during leaving transitions
-    var canMove = !removeOnly;
-
-    while (oldStartIdx <= oldEndIdx && newStartIdx <= newEndIdx) {
-      if (isUndef(oldStartVnode)) {
-        oldStartVnode = oldCh[++oldStartIdx]; // Vnode has been moved left
-      } else if (isUndef(oldEndVnode)) {
-        oldEndVnode = oldCh[--oldEndIdx];
-      } else if (sameVnode(oldStartVnode, newStartVnode)) {
-        patchVnode(oldStartVnode, newStartVnode, insertedVnodeQueue);
-        oldStartVnode = oldCh[++oldStartIdx];
-        newStartVnode = newCh[++newStartIdx];
-      } else if (sameVnode(oldEndVnode, newEndVnode)) {
-        patchVnode(oldEndVnode, newEndVnode, insertedVnodeQueue);
-        oldEndVnode = oldCh[--oldEndIdx];
-        newEndVnode = newCh[--newEndIdx];
-      } else if (sameVnode(oldStartVnode, newEndVnode)) { // Vnode moved right
-        patchVnode(oldStartVnode, newEndVnode, insertedVnodeQueue);
-        canMove && nodeOps.insertBefore(parentElm, oldStartVnode.elm, nodeOps.nextSibling(oldEndVnode.elm));
-        oldStartVnode = oldCh[++oldStartIdx];
-        newEndVnode = newCh[--newEndIdx];
-      } else if (sameVnode(oldEndVnode, newStartVnode)) { // Vnode moved left
-        patchVnode(oldEndVnode, newStartVnode, insertedVnodeQueue);
-        canMove && nodeOps.insertBefore(parentElm, oldEndVnode.elm, oldStartVnode.elm);
-        oldEndVnode = oldCh[--oldEndIdx];
-        newStartVnode = newCh[++newStartIdx];
-      } else {
-        if (isUndef(oldKeyToIdx)) { oldKeyToIdx = createKeyToOldIdx(oldCh, oldStartIdx, oldEndIdx); }
-        idxInOld = isDef(newStartVnode.key) ? oldKeyToIdx[newStartVnode.key] : null;
-        if (isUndef(idxInOld)) { // New element
-          nodeOps.insertBefore(parentElm, createElm(newStartVnode, insertedVnodeQueue), oldStartVnode.elm);
-          newStartVnode = newCh[++newStartIdx];
-        } else {
-          elmToMove = oldCh[idxInOld];
-          /* istanbul ignore if */
-          if ("development" !== 'production' && !elmToMove) {
-            warn(
-              'It seems there are duplicate keys that is causing an update error. ' +
-              'Make sure each v-for item has a unique key.'
-            );
-          }
-          if (elmToMove.tag !== newStartVnode.tag) {
-            // same key but different element. treat as new element
-            nodeOps.insertBefore(parentElm, createElm(newStartVnode, insertedVnodeQueue), oldStartVnode.elm);
-            newStartVnode = newCh[++newStartIdx];
-          } else {
-            patchVnode(elmToMove, newStartVnode, insertedVnodeQueue);
-            oldCh[idxInOld] = undefined;
-            canMove && nodeOps.insertBefore(parentElm, newStartVnode.elm, oldStartVnode.elm);
-            newStartVnode = newCh[++newStartIdx];
-          }
-        }
-      }
-    }
-    if (oldStartIdx > oldEndIdx) {
-      before = isUndef(newCh[newEndIdx + 1]) ? null : newCh[newEndIdx + 1].elm;
-      addVnodes(parentElm, before, newCh, newStartIdx, newEndIdx, insertedVnodeQueue);
-    } else if (newStartIdx > newEndIdx) {
-      removeVnodes(parentElm, oldCh, oldStartIdx, oldEndIdx);
-    }
-  }
-
-  function patchVnode (oldVnode, vnode, insertedVnodeQueue, removeOnly) {
-    if (oldVnode === vnode) {
-      return
-    }
-    // reuse element for static trees.
-    // note we only do this if the vnode is cloned -
-    // if the new node is not cloned it means the render functions have been
-    // reset by the hot-reload-api and we need to do a proper re-render.
-    if (vnode.isStatic &&
-        oldVnode.isStatic &&
-        vnode.key === oldVnode.key &&
-        vnode.isCloned) {
-      vnode.elm = oldVnode.elm;
-      return
-    }
-    var i;
-    var data = vnode.data;
-    var hasData = isDef(data);
-    if (hasData && isDef(i = data.hook) && isDef(i = i.prepatch)) {
-      i(oldVnode, vnode);
-    }
-    var elm = vnode.elm = oldVnode.elm;
-    var oldCh = oldVnode.children;
-    var ch = vnode.children;
-    if (hasData && isPatchable(vnode)) {
-      for (i = 0; i < cbs.update.length; ++i) { cbs.update[i](oldVnode, vnode); }
-      if (isDef(i = data.hook) && isDef(i = i.update)) { i(oldVnode, vnode); }
-    }
-    if (isUndef(vnode.text)) {
-      if (isDef(oldCh) && isDef(ch)) {
-        if (oldCh !== ch) { updateChildren(elm, oldCh, ch, insertedVnodeQueue, removeOnly); }
-      } else if (isDef(ch)) {
-        if (isDef(oldVnode.text)) { nodeOps.setTextContent(elm, ''); }
-        addVnodes(elm, null, ch, 0, ch.length - 1, insertedVnodeQueue);
-      } else if (isDef(oldCh)) {
-        removeVnodes(elm, oldCh, 0, oldCh.length - 1);
-      } else if (isDef(oldVnode.text)) {
-        nodeOps.setTextContent(elm, '');
-      }
-    } else if (oldVnode.text !== vnode.text) {
-      nodeOps.setTextContent(elm, vnode.text);
-    }
-    if (hasData) {
-      if (isDef(i = data.hook) && isDef(i = i.postpatch)) { i(oldVnode, vnode); }
-    }
-  }
-
-  function invokeInsertHook (vnode, queue, initial) {
-    // delay insert hooks for component root nodes, invoke them after the
-    // element is really inserted
-    if (initial && vnode.parent) {
-      vnode.parent.data.pendingInsert = queue;
-    } else {
-      for (var i = 0; i < queue.length; ++i) {
-        queue[i].data.hook.insert(queue[i]);
-      }
-    }
-  }
-
-  var bailed = false;
-  function hydrate (elm, vnode, insertedVnodeQueue) {
-    {
-      if (!assertNodeMatch(elm, vnode)) {
-        return false
-      }
-    }
-    vnode.elm = elm;
-    var tag = vnode.tag;
-    var data = vnode.data;
-    var children = vnode.children;
-    if (isDef(data)) {
-      if (isDef(i = data.hook) && isDef(i = i.init)) { i(vnode, true /* hydrating */); }
-      if (isDef(i = vnode.child)) {
-        // child component. it should have hydrated its own tree.
-        initComponent(vnode, insertedVnodeQueue);
-        return true
-      }
-    }
-    if (isDef(tag)) {
-      if (isDef(children)) {
-        var childNodes = nodeOps.childNodes(elm);
-        // empty element, allow client to pick up and populate children
-        if (!childNodes.length) {
-          createChildren(vnode, children, insertedVnodeQueue);
-        } else {
-          var childrenMatch = true;
-          if (childNodes.length !== children.length) {
-            childrenMatch = false;
-          } else {
-            for (var i$1 = 0; i$1 < children.length; i$1++) {
-              if (!hydrate(childNodes[i$1], children[i$1], insertedVnodeQueue)) {
-                childrenMatch = false;
-                break
-              }
-            }
-          }
-          if (!childrenMatch) {
-            if ("development" !== 'production' &&
-                typeof console !== 'undefined' &&
-                !bailed) {
-              bailed = true;
-              console.warn('Parent: ', elm);
-              console.warn('Mismatching childNodes vs. VNodes: ', childNodes, children);
-            }
-            return false
-          }
-        }
-      }
-      if (isDef(data)) {
-        invokeCreateHooks(vnode, insertedVnodeQueue);
-      }
-    }
-    return true
-  }
-
-  function assertNodeMatch (node, vnode) {
-    if (vnode.tag) {
-      return (
-        vnode.tag.indexOf('vue-component') === 0 ||
-        vnode.tag === nodeOps.tagName(node).toLowerCase()
-      )
-    } else {
-      return _toString(vnode.text) === node.data
-    }
-  }
-
-  return function patch (oldVnode, vnode, hydrating, removeOnly) {
-    if (!vnode) {
-      if (oldVnode) { invokeDestroyHook(oldVnode); }
-      return
-    }
-
-    var elm, parent;
-    var isInitialPatch = false;
-    var insertedVnodeQueue = [];
-
-    if (!oldVnode) {
-      // empty mount, create new root element
-      isInitialPatch = true;
-      createElm(vnode, insertedVnodeQueue);
-    } else {
-      var isRealElement = isDef(oldVnode.nodeType);
-      if (!isRealElement && sameVnode(oldVnode, vnode)) {
-        patchVnode(oldVnode, vnode, insertedVnodeQueue, removeOnly);
-      } else {
-        if (isRealElement) {
-          // mounting to a real element
-          // check if this is server-rendered content and if we can perform
-          // a successful hydration.
-          if (oldVnode.nodeType === 1 && oldVnode.hasAttribute('server-rendered')) {
-            oldVnode.removeAttribute('server-rendered');
-            hydrating = true;
-          }
-          if (hydrating) {
-            if (hydrate(oldVnode, vnode, insertedVnodeQueue)) {
-              invokeInsertHook(vnode, insertedVnodeQueue, true);
-              return oldVnode
-            } else {
-              warn(
-                'The client-side rendered virtual DOM tree is not matching ' +
-                'server-rendered content. This is likely caused by incorrect ' +
-                'HTML markup, for example nesting block-level elements inside ' +
-                '<p>, or missing <tbody>. Bailing hydration and performing ' +
-                'full client-side render.'
-              );
-            }
-          }
-          // either not server-rendered, or hydration failed.
-          // create an empty node and replace it
-          oldVnode = emptyNodeAt(oldVnode);
-        }
-        elm = oldVnode.elm;
-        parent = nodeOps.parentNode(elm);
-
-        createElm(vnode, insertedVnodeQueue);
-
-        // component root element replaced.
-        // update parent placeholder node element.
-        if (vnode.parent) {
-          vnode.parent.elm = vnode.elm;
-          if (isPatchable(vnode)) {
-            for (var i = 0; i < cbs.create.length; ++i) {
-              cbs.create[i](emptyNode, vnode.parent);
-            }
-          }
-        }
-
-        if (parent !== null) {
-          nodeOps.insertBefore(parent, vnode.elm, nodeOps.nextSibling(elm));
-          removeVnodes(parent, [oldVnode], 0, 0);
-        } else if (isDef(oldVnode.tag)) {
-          invokeDestroyHook(oldVnode);
-        }
-      }
-    }
-
-    invokeInsertHook(vnode, insertedVnodeQueue, isInitialPatch);
-    return vnode.elm
-  }
-}
-
-/*  */
-
-var directives = {
-  create: updateDirectives,
-  update: updateDirectives,
-  destroy: function unbindDirectives (vnode) {
-    updateDirectives(vnode, emptyNode);
-  }
-};
-
-function updateDirectives (
-  oldVnode,
-  vnode
-) {
-  if (!oldVnode.data.directives && !vnode.data.directives) {
-    return
-  }
-  var isCreate = oldVnode === emptyNode;
-  var oldDirs = normalizeDirectives$1(oldVnode.data.directives, oldVnode.context);
-  var newDirs = normalizeDirectives$1(vnode.data.directives, vnode.context);
-
-  var dirsWithInsert = [];
-  var dirsWithPostpatch = [];
-
-  var key, oldDir, dir;
-  for (key in newDirs) {
-    oldDir = oldDirs[key];
-    dir = newDirs[key];
-    if (!oldDir) {
-      // new directive, bind
-      callHook$1(dir, 'bind', vnode, oldVnode);
-      if (dir.def && dir.def.inserted) {
-        dirsWithInsert.push(dir);
-      }
-    } else {
-      // existing directive, update
-      dir.oldValue = oldDir.value;
-      callHook$1(dir, 'update', vnode, oldVnode);
-      if (dir.def && dir.def.componentUpdated) {
-        dirsWithPostpatch.push(dir);
-      }
-    }
-  }
-
-  if (dirsWithInsert.length) {
-    var callInsert = function () {
-      dirsWithInsert.forEach(function (dir) {
-        callHook$1(dir, 'inserted', vnode, oldVnode);
-      });
-    };
-    if (isCreate) {
-      mergeVNodeHook(vnode.data.hook || (vnode.data.hook = {}), 'insert', callInsert, 'dir-insert');
-    } else {
-      callInsert();
-    }
-  }
-
-  if (dirsWithPostpatch.length) {
-    mergeVNodeHook(vnode.data.hook || (vnode.data.hook = {}), 'postpatch', function () {
-      dirsWithPostpatch.forEach(function (dir) {
-        callHook$1(dir, 'componentUpdated', vnode, oldVnode);
-      });
-    }, 'dir-postpatch');
-  }
-
-  if (!isCreate) {
-    for (key in oldDirs) {
-      if (!newDirs[key]) {
-        // no longer present, unbind
-        callHook$1(oldDirs[key], 'unbind', oldVnode);
-      }
-    }
-  }
-}
-
-var emptyModifiers = Object.create(null);
-
-function normalizeDirectives$1 (
-  dirs,
-  vm
-) {
-  var res = Object.create(null);
-  if (!dirs) {
-    return res
-  }
-  var i, dir;
-  for (i = 0; i < dirs.length; i++) {
-    dir = dirs[i];
-    if (!dir.modifiers) {
-      dir.modifiers = emptyModifiers;
-    }
-    res[getRawDirName(dir)] = dir;
-    dir.def = resolveAsset(vm.$options, 'directives', dir.name, true);
-  }
-  return res
-}
-
-function getRawDirName (dir) {
-  return dir.rawName || ((dir.name) + "." + (Object.keys(dir.modifiers || {}).join('.')))
-}
-
-function callHook$1 (dir, hook, vnode, oldVnode) {
-  var fn = dir.def && dir.def[hook];
-  if (fn) {
-    fn(vnode.elm, dir, vnode, oldVnode);
-  }
-}
-
-var baseModules = [
-  ref,
-  directives
-];
-
-/*  */
-
-function updateAttrs (oldVnode, vnode) {
-  if (!oldVnode.data.attrs && !vnode.data.attrs) {
-    return
-  }
-  var key, cur, old;
-  var elm = vnode.elm;
-  var oldAttrs = oldVnode.data.attrs || {};
-  var attrs = vnode.data.attrs || {};
-  // clone observed objects, as the user probably wants to mutate it
-  if (attrs.__ob__) {
-    attrs = vnode.data.attrs = extend({}, attrs);
-  }
-
-  for (key in attrs) {
-    cur = attrs[key];
-    old = oldAttrs[key];
-    if (old !== cur) {
-      setAttr(elm, key, cur);
-    }
-  }
-  for (key in oldAttrs) {
-    if (attrs[key] == null) {
-      if (isXlink(key)) {
-        elm.removeAttributeNS(xlinkNS, getXlinkProp(key));
-      } else if (!isEnumeratedAttr(key)) {
-        elm.removeAttribute(key);
-      }
-    }
-  }
-}
-
-function setAttr (el, key, value) {
-  if (isBooleanAttr(key)) {
-    // set attribute for blank value
-    // e.g. <option disabled>Select one</option>
-    if (isFalsyAttrValue(value)) {
-      el.removeAttribute(key);
-    } else {
-      el.setAttribute(key, key);
-    }
-  } else if (isEnumeratedAttr(key)) {
-    el.setAttribute(key, isFalsyAttrValue(value) || value === 'false' ? 'false' : 'true');
-  } else if (isXlink(key)) {
-    if (isFalsyAttrValue(value)) {
-      el.removeAttributeNS(xlinkNS, getXlinkProp(key));
-    } else {
-      el.setAttributeNS(xlinkNS, key, value);
-    }
-  } else {
-    if (isFalsyAttrValue(value)) {
-      el.removeAttribute(key);
-    } else {
-      el.setAttribute(key, value);
-    }
-  }
-}
-
-var attrs = {
-  create: updateAttrs,
-  update: updateAttrs
-};
-
-/*  */
-
-function updateClass (oldVnode, vnode) {
-  var el = vnode.elm;
-  var data = vnode.data;
-  var oldData = oldVnode.data;
-  if (!data.staticClass && !data.class &&
-      (!oldData || (!oldData.staticClass && !oldData.class))) {
-    return
-  }
-
-  var cls = genClassForVnode(vnode);
-
-  // handle transition classes
-  var transitionClass = el._transitionClasses;
-  if (transitionClass) {
-    cls = concat(cls, stringifyClass(transitionClass));
-  }
-
-  // set the class
-  if (cls !== el._prevClass) {
-    el.setAttribute('class', cls);
-    el._prevClass = cls;
-  }
-}
-
-var klass = {
-  create: updateClass,
-  update: updateClass
-};
-
-// skip type checking this file because we need to attach private properties
-// to elements
-
-function updateDOMListeners (oldVnode, vnode) {
-  if (!oldVnode.data.on && !vnode.data.on) {
-    return
-  }
-  var on = vnode.data.on || {};
-  var oldOn = oldVnode.data.on || {};
-  var add = vnode.elm._v_add || (vnode.elm._v_add = function (event, handler, capture) {
-    vnode.elm.addEventListener(event, handler, capture);
-  });
-  var remove = vnode.elm._v_remove || (vnode.elm._v_remove = function (event, handler) {
-    vnode.elm.removeEventListener(event, handler);
-  });
-  updateListeners(on, oldOn, add, remove, vnode.context);
-}
-
-var events = {
-  create: updateDOMListeners,
-  update: updateDOMListeners
-};
-
-/*  */
-
-function updateDOMProps (oldVnode, vnode) {
-  if (!oldVnode.data.domProps && !vnode.data.domProps) {
-    return
-  }
-  var key, cur;
-  var elm = vnode.elm;
-  var oldProps = oldVnode.data.domProps || {};
-  var props = vnode.data.domProps || {};
-  // clone observed objects, as the user probably wants to mutate it
-  if (props.__ob__) {
-    props = vnode.data.domProps = extend({}, props);
-  }
-
-  for (key in oldProps) {
-    if (props[key] == null) {
-      elm[key] = undefined;
-    }
-  }
-  for (key in props) {
-    // ignore children if the node has textContent or innerHTML,
-    // as these will throw away existing DOM nodes and cause removal errors
-    // on subsequent patches (#3360)
-    if ((key === 'textContent' || key === 'innerHTML') && vnode.children) {
-      vnode.children.length = 0;
-    }
-    cur = props[key];
-    if (key === 'value') {
-      // store value as _value as well since
-      // non-string values will be stringified
-      elm._value = cur;
-      // avoid resetting cursor position when value is the same
-      var strCur = cur == null ? '' : String(cur);
-      if (elm.value !== strCur && !elm.composing) {
-        elm.value = strCur;
-      }
-    } else {
-      elm[key] = cur;
-    }
-  }
-}
-
-var domProps = {
-  create: updateDOMProps,
-  update: updateDOMProps
-};
-
-/*  */
-
-var prefixes = ['Webkit', 'Moz', 'ms'];
-
-var testEl;
-var normalize = cached(function (prop) {
-  testEl = testEl || document.createElement('div');
-  prop = camelize(prop);
-  if (prop !== 'filter' && (prop in testEl.style)) {
-    return prop
-  }
-  var upper = prop.charAt(0).toUpperCase() + prop.slice(1);
-  for (var i = 0; i < prefixes.length; i++) {
-    var prefixed = prefixes[i] + upper;
-    if (prefixed in testEl.style) {
-      return prefixed
-    }
-  }
-});
-
-function updateStyle (oldVnode, vnode) {
-  if ((!oldVnode.data || !oldVnode.data.style) && !vnode.data.style) {
-    return
-  }
-  var cur, name;
-  var el = vnode.elm;
-  var oldStyle = oldVnode.data.style || {};
-  var style = vnode.data.style || {};
-
-  // handle string
-  if (typeof style === 'string') {
-    el.style.cssText = style;
-    return
-  }
-
-  var needClone = style.__ob__;
-
-  // handle array syntax
-  if (Array.isArray(style)) {
-    style = vnode.data.style = toObject(style);
-  }
-
-  // clone the style for future updates,
-  // in case the user mutates the style object in-place.
-  if (needClone) {
-    style = vnode.data.style = extend({}, style);
-  }
-
-  for (name in oldStyle) {
-    if (style[name] == null) {
-      el.style[normalize(name)] = '';
-    }
-  }
-  for (name in style) {
-    cur = style[name];
-    if (cur !== oldStyle[name]) {
-      // ie9 setting to null has no effect, must use empty string
-      el.style[normalize(name)] = cur == null ? '' : cur;
-    }
-  }
-}
-
-var style = {
-  create: updateStyle,
-  update: updateStyle
-};
-
-/*  */
-
-/**
- * Add class with compatibility for SVG since classList is not supported on
- * SVG elements in IE
- */
-function addClass (el, cls) {
-  /* istanbul ignore else */
-  if (el.classList) {
-    if (cls.indexOf(' ') > -1) {
-      cls.split(/\s+/).forEach(function (c) { return el.classList.add(c); });
-    } else {
-      el.classList.add(cls);
-    }
-  } else {
-    var cur = ' ' + el.getAttribute('class') + ' ';
-    if (cur.indexOf(' ' + cls + ' ') < 0) {
-      el.setAttribute('class', (cur + cls).trim());
-    }
-  }
-}
-
-/**
- * Remove class with compatibility for SVG since classList is not supported on
- * SVG elements in IE
- */
-function removeClass (el, cls) {
-  /* istanbul ignore else */
-  if (el.classList) {
-    if (cls.indexOf(' ') > -1) {
-      cls.split(/\s+/).forEach(function (c) { return el.classList.remove(c); });
-    } else {
-      el.classList.remove(cls);
-    }
-  } else {
-    var cur = ' ' + el.getAttribute('class') + ' ';
-    var tar = ' ' + cls + ' ';
-    while (cur.indexOf(tar) >= 0) {
-      cur = cur.replace(tar, ' ');
-    }
-    el.setAttribute('class', cur.trim());
-  }
-}
-
-/*  */
-
-var hasTransition = inBrowser && !isIE9;
-var TRANSITION = 'transition';
-var ANIMATION = 'animation';
-
-// Transition property/event sniffing
-var transitionProp = 'transition';
-var transitionEndEvent = 'transitionend';
-var animationProp = 'animation';
-var animationEndEvent = 'animationend';
-if (hasTransition) {
-  /* istanbul ignore if */
-  if (window.ontransitionend === undefined &&
-    window.onwebkittransitionend !== undefined) {
-    transitionProp = 'WebkitTransition';
-    transitionEndEvent = 'webkitTransitionEnd';
-  }
-  if (window.onanimationend === undefined &&
-    window.onwebkitanimationend !== undefined) {
-    animationProp = 'WebkitAnimation';
-    animationEndEvent = 'webkitAnimationEnd';
-  }
-}
-
-var raf = (inBrowser && window.requestAnimationFrame) || setTimeout;
-function nextFrame (fn) {
-  raf(function () {
-    raf(fn);
-  });
-}
-
-function addTransitionClass (el, cls) {
-  (el._transitionClasses || (el._transitionClasses = [])).push(cls);
-  addClass(el, cls);
-}
-
-function removeTransitionClass (el, cls) {
-  if (el._transitionClasses) {
-    remove$1(el._transitionClasses, cls);
-  }
-  removeClass(el, cls);
-}
-
-function whenTransitionEnds (
-  el,
-  expectedType,
-  cb
-) {
-  var ref = getTransitionInfo(el, expectedType);
-  var type = ref.type;
-  var timeout = ref.timeout;
-  var propCount = ref.propCount;
-  if (!type) { return cb() }
-  var event = type === TRANSITION ? transitionEndEvent : animationEndEvent;
-  var ended = 0;
-  var end = function () {
-    el.removeEventListener(event, onEnd);
-    cb();
-  };
-  var onEnd = function (e) {
-    if (e.target === el) {
-      if (++ended >= propCount) {
-        end();
-      }
-    }
-  };
-  setTimeout(function () {
-    if (ended < propCount) {
-      end();
-    }
-  }, timeout + 1);
-  el.addEventListener(event, onEnd);
-}
-
-var transformRE = /\b(transform|all)(,|$)/;
-
-function getTransitionInfo (el, expectedType) {
-  var styles = window.getComputedStyle(el);
-  var transitioneDelays = styles[transitionProp + 'Delay'].split(', ');
-  var transitionDurations = styles[transitionProp + 'Duration'].split(', ');
-  var transitionTimeout = getTimeout(transitioneDelays, transitionDurations);
-  var animationDelays = styles[animationProp + 'Delay'].split(', ');
-  var animationDurations = styles[animationProp + 'Duration'].split(', ');
-  var animationTimeout = getTimeout(animationDelays, animationDurations);
-
-  var type;
-  var timeout = 0;
-  var propCount = 0;
-  /* istanbul ignore if */
-  if (expectedType === TRANSITION) {
-    if (transitionTimeout > 0) {
-      type = TRANSITION;
-      timeout = transitionTimeout;
-      propCount = transitionDurations.length;
-    }
-  } else if (expectedType === ANIMATION) {
-    if (animationTimeout > 0) {
-      type = ANIMATION;
-      timeout = animationTimeout;
-      propCount = animationDurations.length;
-    }
-  } else {
-    timeout = Math.max(transitionTimeout, animationTimeout);
-    type = timeout > 0
-      ? transitionTimeout > animationTimeout
-        ? TRANSITION
-        : ANIMATION
-      : null;
-    propCount = type
-      ? type === TRANSITION
-        ? transitionDurations.length
-        : animationDurations.length
-      : 0;
-  }
-  var hasTransform =
-    type === TRANSITION &&
-    transformRE.test(styles[transitionProp + 'Property']);
-  return {
-    type: type,
-    timeout: timeout,
-    propCount: propCount,
-    hasTransform: hasTransform
-  }
-}
-
-function getTimeout (delays, durations) {
-  return Math.max.apply(null, durations.map(function (d, i) {
-    return toMs(d) + toMs(delays[i])
-  }))
-}
-
-function toMs (s) {
-  return Number(s.slice(0, -1)) * 1000
-}
-
-/*  */
-
-function enter (vnode) {
-  var el = vnode.elm;
-
-  // call leave callback now
-  if (el._leaveCb) {
-    el._leaveCb.cancelled = true;
-    el._leaveCb();
-  }
-
-  var data = resolveTransition(vnode.data.transition);
-  if (!data) {
-    return
-  }
-
-  /* istanbul ignore if */
-  if (el._enterCb || el.nodeType !== 1) {
-    return
-  }
-
-  var css = data.css;
-  var type = data.type;
-  var enterClass = data.enterClass;
-  var enterActiveClass = data.enterActiveClass;
-  var appearClass = data.appearClass;
-  var appearActiveClass = data.appearActiveClass;
-  var beforeEnter = data.beforeEnter;
-  var enter = data.enter;
-  var afterEnter = data.afterEnter;
-  var enterCancelled = data.enterCancelled;
-  var beforeAppear = data.beforeAppear;
-  var appear = data.appear;
-  var afterAppear = data.afterAppear;
-  var appearCancelled = data.appearCancelled;
-
-  // activeInstance will always be the <transition> component managing this
-  // transition. One edge case to check is when the <transition> is placed
-  // as the root node of a child component. In that case we need to check
-  // <transition>'s parent for appear check.
-  var transitionNode = activeInstance.$vnode;
-  var context = transitionNode && transitionNode.parent
-    ? transitionNode.parent.context
-    : activeInstance;
-
-  var isAppear = !context._isMounted || !vnode.isRootInsert;
-
-  if (isAppear && !appear && appear !== '') {
-    return
-  }
-
-  var startClass = isAppear ? appearClass : enterClass;
-  var activeClass = isAppear ? appearActiveClass : enterActiveClass;
-  var beforeEnterHook = isAppear ? (beforeAppear || beforeEnter) : beforeEnter;
-  var enterHook = isAppear ? (typeof appear === 'function' ? appear : enter) : enter;
-  var afterEnterHook = isAppear ? (afterAppear || afterEnter) : afterEnter;
-  var enterCancelledHook = isAppear ? (appearCancelled || enterCancelled) : enterCancelled;
-
-  var expectsCSS = css !== false && !isIE9;
-  var userWantsControl =
-    enterHook &&
-    // enterHook may be a bound method which exposes
-    // the length of original fn as _length
-    (enterHook._length || enterHook.length) > 1;
-
-  var cb = el._enterCb = once(function () {
-    if (expectsCSS) {
-      removeTransitionClass(el, activeClass);
-    }
-    if (cb.cancelled) {
-      if (expectsCSS) {
-        removeTransitionClass(el, startClass);
-      }
-      enterCancelledHook && enterCancelledHook(el);
-    } else {
-      afterEnterHook && afterEnterHook(el);
-    }
-    el._enterCb = null;
-  });
-
-  if (!vnode.data.show) {
-    // remove pending leave element on enter by injecting an insert hook
-    mergeVNodeHook(vnode.data.hook || (vnode.data.hook = {}), 'insert', function () {
-      var parent = el.parentNode;
-      var pendingNode = parent && parent._pending && parent._pending[vnode.key];
-      if (pendingNode && pendingNode.tag === vnode.tag && pendingNode.elm._leaveCb) {
-        pendingNode.elm._leaveCb();
-      }
-      enterHook && enterHook(el, cb);
-    }, 'transition-insert');
-  }
-
-  // start enter transition
-  beforeEnterHook && beforeEnterHook(el);
-  if (expectsCSS) {
-    addTransitionClass(el, startClass);
-    addTransitionClass(el, activeClass);
-    nextFrame(function () {
-      removeTransitionClass(el, startClass);
-      if (!cb.cancelled && !userWantsControl) {
-        whenTransitionEnds(el, type, cb);
-      }
-    });
-  }
-
-  if (vnode.data.show) {
-    enterHook && enterHook(el, cb);
-  }
-
-  if (!expectsCSS && !userWantsControl) {
-    cb();
-  }
-}
-
-function leave (vnode, rm) {
-  var el = vnode.elm;
-
-  // call enter callback now
-  if (el._enterCb) {
-    el._enterCb.cancelled = true;
-    el._enterCb();
-  }
-
-  var data = resolveTransition(vnode.data.transition);
-  if (!data) {
-    return rm()
-  }
-
-  /* istanbul ignore if */
-  if (el._leaveCb || el.nodeType !== 1) {
-    return
-  }
-
-  var css = data.css;
-  var type = data.type;
-  var leaveClass = data.leaveClass;
-  var leaveActiveClass = data.leaveActiveClass;
-  var beforeLeave = data.beforeLeave;
-  var leave = data.leave;
-  var afterLeave = data.afterLeave;
-  var leaveCancelled = data.leaveCancelled;
-  var delayLeave = data.delayLeave;
-
-  var expectsCSS = css !== false && !isIE9;
-  var userWantsControl =
-    leave &&
-    // leave hook may be a bound method which exposes
-    // the length of original fn as _length
-    (leave._length || leave.length) > 1;
-
-  var cb = el._leaveCb = once(function () {
-    if (el.parentNode && el.parentNode._pending) {
-      el.parentNode._pending[vnode.key] = null;
-    }
-    if (expectsCSS) {
-      removeTransitionClass(el, leaveActiveClass);
-    }
-    if (cb.cancelled) {
-      if (expectsCSS) {
-        removeTransitionClass(el, leaveClass);
-      }
-      leaveCancelled && leaveCancelled(el);
-    } else {
-      rm();
-      afterLeave && afterLeave(el);
-    }
-    el._leaveCb = null;
-  });
-
-  if (delayLeave) {
-    delayLeave(performLeave);
-  } else {
-    performLeave();
-  }
-
-  function performLeave () {
-    // the delayed leave may have already been cancelled
-    if (cb.cancelled) {
-      return
-    }
-    // record leaving element
-    if (!vnode.data.show) {
-      (el.parentNode._pending || (el.parentNode._pending = {}))[vnode.key] = vnode;
-    }
-    beforeLeave && beforeLeave(el);
-    if (expectsCSS) {
-      addTransitionClass(el, leaveClass);
-      addTransitionClass(el, leaveActiveClass);
-      nextFrame(function () {
-        removeTransitionClass(el, leaveClass);
-        if (!cb.cancelled && !userWantsControl) {
-          whenTransitionEnds(el, type, cb);
-        }
-      });
-    }
-    leave && leave(el, cb);
-    if (!expectsCSS && !userWantsControl) {
-      cb();
-    }
-  }
-}
-
-function resolveTransition (def$$1) {
-  if (!def$$1) {
-    return
-  }
-  /* istanbul ignore else */
-  if (typeof def$$1 === 'object') {
-    var res = {};
-    if (def$$1.css !== false) {
-      extend(res, autoCssTransition(def$$1.name || 'v'));
-    }
-    extend(res, def$$1);
-    return res
-  } else if (typeof def$$1 === 'string') {
-    return autoCssTransition(def$$1)
-  }
-}
-
-var autoCssTransition = cached(function (name) {
-  return {
-    enterClass: (name + "-enter"),
-    leaveClass: (name + "-leave"),
-    appearClass: (name + "-enter"),
-    enterActiveClass: (name + "-enter-active"),
-    leaveActiveClass: (name + "-leave-active"),
-    appearActiveClass: (name + "-enter-active")
-  }
-});
-
-function once (fn) {
-  var called = false;
-  return function () {
-    if (!called) {
-      called = true;
-      fn();
-    }
-  }
-}
-
-var transition = inBrowser ? {
-  create: function create (_, vnode) {
-    if (!vnode.data.show) {
-      enter(vnode);
-    }
-  },
-  remove: function remove (vnode, rm) {
-    /* istanbul ignore else */
-    if (!vnode.data.show) {
-      leave(vnode, rm);
-    } else {
-      rm();
-    }
-  }
-} : {};
-
-var platformModules = [
-  attrs,
-  klass,
-  events,
-  domProps,
-  style,
-  transition
-];
-
-/*  */
-
-// the directive module should be applied last, after all
-// built-in modules have been applied.
-var modules = platformModules.concat(baseModules);
-
-var patch$1 = createPatchFunction({ nodeOps: nodeOps, modules: modules });
-
-/**
- * Not type checking this file because flow doesn't like attaching
- * properties to Elements.
- */
-
-var modelableTagRE = /^input|select|textarea|vue-component-[0-9]+(-[0-9a-zA-Z_\-]*)?$/;
-
-/* istanbul ignore if */
-if (isIE9) {
-  // http://www.matts411.com/post/internet-explorer-9-oninput/
-  document.addEventListener('selectionchange', function () {
-    var el = document.activeElement;
-    if (el && el.vmodel) {
-      trigger(el, 'input');
-    }
-  });
-}
-
-var model = {
-  inserted: function inserted (el, binding, vnode) {
-    {
-      if (!modelableTagRE.test(vnode.tag)) {
-        warn(
-          "v-model is not supported on element type: <" + (vnode.tag) + ">. " +
-          'If you are working with contenteditable, it\'s recommended to ' +
-          'wrap a library dedicated for that purpose inside a custom component.',
-          vnode.context
-        );
-      }
-    }
-    if (vnode.tag === 'select') {
-      var cb = function () {
-        setSelected(el, binding, vnode.context);
-      };
-      cb();
-      /* istanbul ignore if */
-      if (isIE || isEdge) {
-        setTimeout(cb, 0);
-      }
-    } else if (
-      (vnode.tag === 'textarea' || el.type === 'text') &&
-      !binding.modifiers.lazy
-    ) {
-      if (!isAndroid) {
-        el.addEventListener('compositionstart', onCompositionStart);
-        el.addEventListener('compositionend', onCompositionEnd);
-      }
-      /* istanbul ignore if */
-      if (isIE9) {
-        el.vmodel = true;
-      }
-    }
-  },
-  componentUpdated: function componentUpdated (el, binding, vnode) {
-    if (vnode.tag === 'select') {
-      setSelected(el, binding, vnode.context);
-      // in case the options rendered by v-for have changed,
-      // it's possible that the value is out-of-sync with the rendered options.
-      // detect such cases and filter out values that no longer has a matchig
-      // option in the DOM.
-      var needReset = el.multiple
-        ? binding.value.some(function (v) { return hasNoMatchingOption(v, el.options); })
-        : binding.value !== binding.oldValue && hasNoMatchingOption(binding.value, el.options);
-      if (needReset) {
-        trigger(el, 'change');
-      }
-    }
-  }
-};
-
-function setSelected (el, binding, vm) {
-  var value = binding.value;
-  var isMultiple = el.multiple;
-  if (isMultiple && !Array.isArray(value)) {
-    "development" !== 'production' && warn(
-      "<select multiple v-model=\"" + (binding.expression) + "\"> " +
-      "expects an Array value for its binding, but got " + (Object.prototype.toString.call(value).slice(8, -1)),
-      vm
-    );
-    return
-  }
-  var selected, option;
-  for (var i = 0, l = el.options.length; i < l; i++) {
-    option = el.options[i];
-    if (isMultiple) {
-      selected = looseIndexOf(value, getValue(option)) > -1;
-      if (option.selected !== selected) {
-        option.selected = selected;
-      }
-    } else {
-      if (looseEqual(getValue(option), value)) {
-        if (el.selectedIndex !== i) {
-          el.selectedIndex = i;
-        }
-        return
-      }
-    }
-  }
-  if (!isMultiple) {
-    el.selectedIndex = -1;
-  }
-}
-
-function hasNoMatchingOption (value, options) {
-  for (var i = 0, l = options.length; i < l; i++) {
-    if (looseEqual(getValue(options[i]), value)) {
-      return false
-    }
-  }
-  return true
-}
-
-function getValue (option) {
-  return '_value' in option
-    ? option._value
-    : option.value
-}
-
-function onCompositionStart (e) {
-  e.target.composing = true;
-}
-
-function onCompositionEnd (e) {
-  e.target.composing = false;
-  trigger(e.target, 'input');
-}
-
-function trigger (el, type) {
-  var e = document.createEvent('HTMLEvents');
-  e.initEvent(type, true, true);
-  el.dispatchEvent(e);
-}
-
-/*  */
-
-// recursively search for possible transition defined inside the component root
-function locateNode (vnode) {
-  return vnode.child && (!vnode.data || !vnode.data.transition)
-    ? locateNode(vnode.child._vnode)
-    : vnode
-}
-
-var show = {
-  bind: function bind (el, ref, vnode) {
-    var value = ref.value;
-
-    vnode = locateNode(vnode);
-    var transition = vnode.data && vnode.data.transition;
-    if (value && transition && !isIE9) {
-      enter(vnode);
-    }
-    var originalDisplay = el.style.display === 'none' ? '' : el.style.display;
-    el.style.display = value ? originalDisplay : 'none';
-    el.__vOriginalDisplay = originalDisplay;
-  },
-  update: function update (el, ref, vnode) {
-    var value = ref.value;
-    var oldValue = ref.oldValue;
-
-    /* istanbul ignore if */
-    if (value === oldValue) { return }
-    vnode = locateNode(vnode);
-    var transition = vnode.data && vnode.data.transition;
-    if (transition && !isIE9) {
-      if (value) {
-        enter(vnode);
-        el.style.display = el.__vOriginalDisplay;
-      } else {
-        leave(vnode, function () {
-          el.style.display = 'none';
-        });
-      }
-    } else {
-      el.style.display = value ? el.__vOriginalDisplay : 'none';
-    }
-  }
-};
-
-var platformDirectives = {
-  model: model,
-  show: show
-};
-
-/*  */
-
-// Provides transition support for a single element/component.
-// supports transition mode (out-in / in-out)
-
-var transitionProps = {
-  name: String,
-  appear: Boolean,
-  css: Boolean,
-  mode: String,
-  type: String,
-  enterClass: String,
-  leaveClass: String,
-  enterActiveClass: String,
-  leaveActiveClass: String,
-  appearClass: String,
-  appearActiveClass: String
-};
-
-// in case the child is also an abstract component, e.g. <keep-alive>
-// we want to recrusively retrieve the real component to be rendered
-function getRealChild (vnode) {
-  var compOptions = vnode && vnode.componentOptions;
-  if (compOptions && compOptions.Ctor.options.abstract) {
-    return getRealChild(getFirstComponentChild(compOptions.children))
-  } else {
-    return vnode
-  }
-}
-
-function extractTransitionData (comp) {
-  var data = {};
-  var options = comp.$options;
-  // props
-  for (var key in options.propsData) {
-    data[key] = comp[key];
-  }
-  // events.
-  // extract listeners and pass them directly to the transition methods
-  var listeners = options._parentListeners;
-  for (var key$1 in listeners) {
-    data[camelize(key$1)] = listeners[key$1].fn;
-  }
-  return data
-}
-
-function placeholder (h, rawChild) {
-  return /\d-keep-alive$/.test(rawChild.tag)
-    ? h('keep-alive')
-    : null
-}
-
-function hasParentTransition (vnode) {
-  while ((vnode = vnode.parent)) {
-    if (vnode.data.transition) {
-      return true
-    }
-  }
-}
-
-var Transition = {
-  name: 'transition',
-  props: transitionProps,
-  abstract: true,
-  render: function render (h) {
-    var this$1 = this;
-
-    var children = this.$slots.default;
-    if (!children) {
-      return
-    }
-
-    // filter out text nodes (possible whitespaces)
-    children = children.filter(function (c) { return c.tag; });
-    /* istanbul ignore if */
-    if (!children.length) {
-      return
-    }
-
-    // warn multiple elements
-    if ("development" !== 'production' && children.length > 1) {
-      warn(
-        '<transition> can only be used on a single element. Use ' +
-        '<transition-group> for lists.',
-        this.$parent
-      );
-    }
-
-    var mode = this.mode;
-
-    // warn invalid mode
-    if ("development" !== 'production' &&
-        mode && mode !== 'in-out' && mode !== 'out-in') {
-      warn(
-        'invalid <transition> mode: ' + mode,
-        this.$parent
-      );
-    }
-
-    var rawChild = children[0];
-
-    // if this is a component root node and the component's
-    // parent container node also has transition, skip.
-    if (hasParentTransition(this.$vnode)) {
-      return rawChild
-    }
-
-    // apply transition data to child
-    // use getRealChild() to ignore abstract components e.g. keep-alive
-    var child = getRealChild(rawChild);
-    /* istanbul ignore if */
-    if (!child) {
-      return rawChild
-    }
-
-    if (this._leaving) {
-      return placeholder(h, rawChild)
-    }
-
-    var key = child.key = child.key == null || child.isStatic
-      ? ("__v" + (child.tag + this._uid) + "__")
-      : child.key;
-    var data = (child.data || (child.data = {})).transition = extractTransitionData(this);
-    var oldRawChild = this._vnode;
-    var oldChild = getRealChild(oldRawChild);
-
-    // mark v-show
-    // so that the transition module can hand over the control to the directive
-    if (child.data.directives && child.data.directives.some(function (d) { return d.name === 'show'; })) {
-      child.data.show = true;
-    }
-
-    if (oldChild && oldChild.data && oldChild.key !== key) {
-      // replace old child transition data with fresh one
-      // important for dynamic transitions!
-      var oldData = oldChild.data.transition = extend({}, data);
-
-      // handle transition mode
-      if (mode === 'out-in') {
-        // return placeholder node and queue update when leave finishes
-        this._leaving = true;
-        mergeVNodeHook(oldData, 'afterLeave', function () {
-          this$1._leaving = false;
-          this$1.$forceUpdate();
-        }, key);
-        return placeholder(h, rawChild)
-      } else if (mode === 'in-out') {
-        var delayedLeave;
-        var performLeave = function () { delayedLeave(); };
-        mergeVNodeHook(data, 'afterEnter', performLeave, key);
-        mergeVNodeHook(data, 'enterCancelled', performLeave, key);
-        mergeVNodeHook(oldData, 'delayLeave', function (leave) {
-          delayedLeave = leave;
-        }, key);
-      }
-    }
-
-    return rawChild
-  }
-};
-
-/*  */
-
-// Provides transition support for list items.
-// supports move transitions using the FLIP technique.
-
-// Because the vdom's children update algorithm is "unstable" - i.e.
-// it doesn't guarantee the relative positioning of removed elements,
-// we force transition-group to update its children into two passes:
-// in the first pass, we remove all nodes that need to be removed,
-// triggering their leaving transition; in the second pass, we insert/move
-// into the final disired state. This way in the second pass removed
-// nodes will remain where they should be.
-
-var props = extend({
-  tag: String,
-  moveClass: String
-}, transitionProps);
-
-delete props.mode;
-
-var TransitionGroup = {
-  props: props,
-
-  render: function render (h) {
-    var tag = this.tag || this.$vnode.data.tag || 'span';
-    var map = Object.create(null);
-    var prevChildren = this.prevChildren = this.children;
-    var rawChildren = this.$slots.default || [];
-    var children = this.children = [];
-    var transitionData = extractTransitionData(this);
-
-    for (var i = 0; i < rawChildren.length; i++) {
-      var c = rawChildren[i];
-      if (c.tag) {
-        if (c.key != null && String(c.key).indexOf('__vlist') !== 0) {
-          children.push(c);
-          map[c.key] = c
-          ;(c.data || (c.data = {})).transition = transitionData;
-        } else {
-          var opts = c.componentOptions;
-          var name = opts
-            ? (opts.Ctor.options.name || opts.tag)
-            : c.tag;
-          warn(("<transition-group> children must be keyed: <" + name + ">"));
-        }
-      }
-    }
-
-    if (prevChildren) {
-      var kept = [];
-      var removed = [];
-      for (var i$1 = 0; i$1 < prevChildren.length; i$1++) {
-        var c$1 = prevChildren[i$1];
-        c$1.data.transition = transitionData;
-        c$1.data.pos = c$1.elm.getBoundingClientRect();
-        if (map[c$1.key]) {
-          kept.push(c$1);
-        } else {
-          removed.push(c$1);
-        }
-      }
-      this.kept = h(tag, null, kept);
-      this.removed = removed;
-    }
-
-    return h(tag, null, children)
-  },
-
-  beforeUpdate: function beforeUpdate () {
-    // force removing pass
-    this.__patch__(
-      this._vnode,
-      this.kept,
-      false, // hydrating
-      true // removeOnly (!important, avoids unnecessary moves)
-    );
-    this._vnode = this.kept;
-  },
-
-  updated: function updated () {
-    var children = this.prevChildren;
-    var moveClass = this.moveClass || (this.name + '-move');
-    if (!children.length || !this.hasMove(children[0].elm, moveClass)) {
-      return
-    }
-
-    // we divide the work into three loops to avoid mixing DOM reads and writes
-    // in each iteration - which helps prevent layout thrashing.
-    children.forEach(callPendingCbs);
-    children.forEach(recordPosition);
-    children.forEach(applyTranslation);
-
-    // force reflow to put everything in position
-    var f = document.body.offsetHeight; // eslint-disable-line
-
-    children.forEach(function (c) {
-      if (c.data.moved) {
-        var el = c.elm;
-        var s = el.style;
-        addTransitionClass(el, moveClass);
-        s.transform = s.WebkitTransform = s.transitionDuration = '';
-        el.addEventListener(transitionEndEvent, el._moveCb = function cb (e) {
-          if (!e || /transform$/.test(e.propertyName)) {
-            el.removeEventListener(transitionEndEvent, cb);
-            el._moveCb = null;
-            removeTransitionClass(el, moveClass);
-          }
-        });
-      }
-    });
-  },
-
-  methods: {
-    hasMove: function hasMove (el, moveClass) {
-      /* istanbul ignore if */
-      if (!hasTransition) {
-        return false
-      }
-      if (this._hasMove != null) {
-        return this._hasMove
-      }
-      addTransitionClass(el, moveClass);
-      var info = getTransitionInfo(el);
-      removeTransitionClass(el, moveClass);
-      return (this._hasMove = info.hasTransform)
-    }
-  }
-};
-
-function callPendingCbs (c) {
-  /* istanbul ignore if */
-  if (c.elm._moveCb) {
-    c.elm._moveCb();
-  }
-  /* istanbul ignore if */
-  if (c.elm._enterCb) {
-    c.elm._enterCb();
-  }
-}
-
-function recordPosition (c) {
-  c.data.newPos = c.elm.getBoundingClientRect();
-}
-
-function applyTranslation (c) {
-  var oldPos = c.data.pos;
-  var newPos = c.data.newPos;
-  var dx = oldPos.left - newPos.left;
-  var dy = oldPos.top - newPos.top;
-  if (dx || dy) {
-    c.data.moved = true;
-    var s = c.elm.style;
-    s.transform = s.WebkitTransform = "translate(" + dx + "px," + dy + "px)";
-    s.transitionDuration = '0s';
-  }
-}
-
-var platformComponents = {
-  Transition: Transition,
-  TransitionGroup: TransitionGroup
-};
-
-/*  */
-
-// install platform specific utils
-Vue$3.config.isUnknownElement = isUnknownElement;
-Vue$3.config.isReservedTag = isReservedTag;
-Vue$3.config.getTagNamespace = getTagNamespace;
-Vue$3.config.mustUseProp = mustUseProp;
-
-// install platform runtime directives & components
-extend(Vue$3.options.directives, platformDirectives);
-extend(Vue$3.options.components, platformComponents);
-
-// install platform patch function
-Vue$3.prototype.__patch__ = config._isServer ? noop : patch$1;
-
-// wrap mount
-Vue$3.prototype.$mount = function (
-  el,
-  hydrating
-) {
-  el = el && !config._isServer ? query(el) : undefined;
-  return this._mount(el, hydrating)
-};
-
-// devtools global hook
-/* istanbul ignore next */
-setTimeout(function () {
-  if (config.devtools) {
-    if (devtools) {
-      devtools.emit('init', Vue$3);
-    } else if (
-      "development" !== 'production' &&
-      inBrowser && /Chrome\/\d+/.test(window.navigator.userAgent)
-    ) {
-      console.log(
-        'Download the Vue Devtools for a better development experience:\n' +
-        'https://github.com/vuejs/vue-devtools'
-      );
-    }
-  }
-}, 0);
-
-/*  */
-
-// check whether current browser encodes a char inside attribute values
-function shouldDecode (content, encoded) {
-  var div = document.createElement('div');
-  div.innerHTML = "<div a=\"" + content + "\">";
-  return div.innerHTML.indexOf(encoded) > 0
-}
-
-// #3663
-// IE encodes newlines inside attribute values while other browsers don't
-var shouldDecodeNewlines = inBrowser ? shouldDecode('\n', '&#10;') : false;
-
-/*  */
-
-var decoder = document.createElement('div');
-
-function decode (html) {
-  decoder.innerHTML = html;
-  return decoder.textContent
-}
-
-/**
- * Not type-checking this file because it's mostly vendor code.
- */
-
-/*!
- * HTML Parser By John Resig (ejohn.org)
- * Modified by Juriy "kangax" Zaytsev
- * Original code by Erik Arvidsson, Mozilla Public License
- * http://erik.eae.net/simplehtmlparser/simplehtmlparser.js
- */
-
-// Regular Expressions for parsing tags and attributes
-var singleAttrIdentifier = /([^\s"'<>\/=]+)/;
-var singleAttrAssign = /(?:=)/;
-var singleAttrValues = [
-  // attr value double quotes
-  /"([^"]*)"+/.source,
-  // attr value, single quotes
-  /'([^']*)'+/.source,
-  // attr value, no quotes
-  /([^\s"'=<>`]+)/.source
-];
-var attribute = new RegExp(
-  '^\\s*' + singleAttrIdentifier.source +
-  '(?:\\s*(' + singleAttrAssign.source + ')' +
-  '\\s*(?:' + singleAttrValues.join('|') + '))?'
-);
-
-// could use https://www.w3.org/TR/1999/REC-xml-names-19990114/#NT-QName
-// but for Vue templates we can enforce a simple charset
-var ncname = '[a-zA-Z_][\\w\\-\\.]*';
-var qnameCapture = '((?:' + ncname + '\\:)?' + ncname + ')';
-var startTagOpen = new RegExp('^<' + qnameCapture);
-var startTagClose = /^\s*(\/?)>/;
-var endTag = new RegExp('^<\\/' + qnameCapture + '[^>]*>');
-var doctype = /^<!DOCTYPE [^>]+>/i;
-
-var IS_REGEX_CAPTURING_BROKEN = false;
-'x'.replace(/x(.)?/g, function (m, g) {
-  IS_REGEX_CAPTURING_BROKEN = g === '';
-});
-
-// Special Elements (can contain anything)
-var isSpecialTag = makeMap('script,style', true);
-
-var reCache = {};
-
-var ltRE = /&lt;/g;
-var gtRE = /&gt;/g;
-var nlRE = /&#10;/g;
-var ampRE = /&amp;/g;
-var quoteRE = /&quot;/g;
-
-function decodeAttr (value, shouldDecodeNewlines) {
-  if (shouldDecodeNewlines) {
-    value = value.replace(nlRE, '\n');
-  }
-  return value
-    .replace(ltRE, '<')
-    .replace(gtRE, '>')
-    .replace(ampRE, '&')
-    .replace(quoteRE, '"')
-}
-
-function parseHTML (html, options) {
-  var stack = [];
-  var expectHTML = options.expectHTML;
-  var isUnaryTag$$1 = options.isUnaryTag || no;
-  var index = 0;
-  var last, lastTag;
-  while (html) {
-    last = html;
-    // Make sure we're not in a script or style element
-    if (!lastTag || !isSpecialTag(lastTag)) {
-      var textEnd = html.indexOf('<');
-      if (textEnd === 0) {
-        // Comment:
-        if (/^<!--/.test(html)) {
-          var commentEnd = html.indexOf('-->');
-
-          if (commentEnd >= 0) {
-            advance(commentEnd + 3);
-            continue
-          }
-        }
-
-        // http://en.wikipedia.org/wiki/Conditional_comment#Downlevel-revealed_conditional_comment
-        if (/^<!\[/.test(html)) {
-          var conditionalEnd = html.indexOf(']>');
-
-          if (conditionalEnd >= 0) {
-            advance(conditionalEnd + 2);
-            continue
-          }
-        }
-
-        // Doctype:
-        var doctypeMatch = html.match(doctype);
-        if (doctypeMatch) {
-          advance(doctypeMatch[0].length);
-          continue
-        }
-
-        // End tag:
-        var endTagMatch = html.match(endTag);
-        if (endTagMatch) {
-          var curIndex = index;
-          advance(endTagMatch[0].length);
-          parseEndTag(endTagMatch[0], endTagMatch[1], curIndex, index);
-          continue
-        }
-
-        // Start tag:
-        var startTagMatch = parseStartTag();
-        if (startTagMatch) {
-          handleStartTag(startTagMatch);
-          continue
-        }
-      }
-
-      var text = void 0;
-      if (textEnd >= 0) {
-        text = html.substring(0, textEnd);
-        advance(textEnd);
-      } else {
-        text = html;
-        html = '';
-      }
-
-      if (options.chars) {
-        options.chars(text);
-      }
-    } else {
-      var stackedTag = lastTag.toLowerCase();
-      var reStackedTag = reCache[stackedTag] || (reCache[stackedTag] = new RegExp('([\\s\\S]*?)(</' + stackedTag + '[^>]*>)', 'i'));
-      var endTagLength = 0;
-      var rest = html.replace(reStackedTag, function (all, text, endTag) {
-        endTagLength = endTag.length;
-        if (stackedTag !== 'script' && stackedTag !== 'style' && stackedTag !== 'noscript') {
-          text = text
-            .replace(/<!--([\s\S]*?)-->/g, '$1')
-            .replace(/<!\[CDATA\[([\s\S]*?)\]\]>/g, '$1');
-        }
-        if (options.chars) {
-          options.chars(text);
-        }
-        return ''
-      });
-      index += html.length - rest.length;
-      html = rest;
-      parseEndTag('</' + stackedTag + '>', stackedTag, index - endTagLength, index);
-    }
-
-    if (html === last) {
-      throw new Error('Error parsing template:\n\n' + html)
-    }
-  }
-
-  // Clean up any remaining tags
-  parseEndTag();
-
-  function advance (n) {
-    index += n;
-    html = html.substring(n);
-  }
-
-  function parseStartTag () {
-    var start = html.match(startTagOpen);
-    if (start) {
-      var match = {
-        tagName: start[1],
-        attrs: [],
-        start: index
-      };
-      advance(start[0].length);
-      var end, attr;
-      while (!(end = html.match(startTagClose)) && (attr = html.match(attribute))) {
-        advance(attr[0].length);
-        match.attrs.push(attr);
-      }
-      if (end) {
-        match.unarySlash = end[1];
-        advance(end[0].length);
-        match.end = index;
-        return match
-      }
-    }
-  }
-
-  function handleStartTag (match) {
-    var tagName = match.tagName;
-    var unarySlash = match.unarySlash;
-
-    if (expectHTML) {
-      if (lastTag === 'p' && isNonPhrasingTag(tagName)) {
-        parseEndTag('', lastTag);
-      }
-      if (canBeLeftOpenTag(tagName) && lastTag === tagName) {
-        parseEndTag('', tagName);
-      }
-    }
-
-    var unary = isUnaryTag$$1(tagName) || tagName === 'html' && lastTag === 'head' || !!unarySlash;
-
-    var l = match.attrs.length;
-    var attrs = new Array(l);
-    for (var i = 0; i < l; i++) {
-      var args = match.attrs[i];
-      // hackish work around FF bug https://bugzilla.mozilla.org/show_bug.cgi?id=369778
-      if (IS_REGEX_CAPTURING_BROKEN && args[0].indexOf('""') === -1) {
-        if (args[3] === '') { delete args[3]; }
-        if (args[4] === '') { delete args[4]; }
-        if (args[5] === '') { delete args[5]; }
-      }
-      var value = args[3] || args[4] || args[5] || '';
-      attrs[i] = {
-        name: args[1],
-        value: decodeAttr(
-          value,
-          options.shouldDecodeNewlines
-        )
-      };
-    }
-
-    if (!unary) {
-      stack.push({ tag: tagName, attrs: attrs });
-      lastTag = tagName;
-      unarySlash = '';
-    }
-
-    if (options.start) {
-      options.start(tagName, attrs, unary, match.start, match.end);
-    }
-  }
-
-  function parseEndTag (tag, tagName, start, end) {
-    var pos;
-    if (start == null) { start = index; }
-    if (end == null) { end = index; }
-
-    // Find the closest opened tag of the same type
-    if (tagName) {
-      var needle = tagName.toLowerCase();
-      for (pos = stack.length - 1; pos >= 0; pos--) {
-        if (stack[pos].tag.toLowerCase() === needle) {
-          break
-        }
-      }
-    } else {
-      // If no tag name is provided, clean shop
-      pos = 0;
-    }
-
-    if (pos >= 0) {
-      // Close all the open elements, up the stack
-      for (var i = stack.length - 1; i >= pos; i--) {
-        if (options.end) {
-          options.end(stack[i].tag, start, end);
-        }
-      }
-
-      // Remove the open elements from the stack
-      stack.length = pos;
-      lastTag = pos && stack[pos - 1].tag;
-    } else if (tagName.toLowerCase() === 'br') {
-      if (options.start) {
-        options.start(tagName, [], true, start, end);
-      }
-    } else if (tagName.toLowerCase() === 'p') {
-      if (options.start) {
-        options.start(tagName, [], false, start, end);
-      }
-      if (options.end) {
-        options.end(tagName, start, end);
-      }
-    }
-  }
-}
-
-/*  */
-
-function parseFilters (exp) {
-  var inSingle = false;
-  var inDouble = false;
-  var curly = 0;
-  var square = 0;
-  var paren = 0;
-  var lastFilterIndex = 0;
-  var c, prev, i, expression, filters;
-
-  for (i = 0; i < exp.length; i++) {
-    prev = c;
-    c = exp.charCodeAt(i);
-    if (inSingle) {
-      // check single quote
-      if (c === 0x27 && prev !== 0x5C) { inSingle = !inSingle; }
-    } else if (inDouble) {
-      // check double quote
-      if (c === 0x22 && prev !== 0x5C) { inDouble = !inDouble; }
-    } else if (
-      c === 0x7C && // pipe
-      exp.charCodeAt(i + 1) !== 0x7C &&
-      exp.charCodeAt(i - 1) !== 0x7C &&
-      !curly && !square && !paren
-    ) {
-      if (expression === undefined) {
-        // first filter, end of expression
-        lastFilterIndex = i + 1;
-        expression = exp.slice(0, i).trim();
-      } else {
-        pushFilter();
-      }
-    } else {
-      switch (c) {
-        case 0x22: inDouble = true; break // "
-        case 0x27: inSingle = true; break // '
-        case 0x28: paren++; break         // (
-        case 0x29: paren--; break         // )
-        case 0x5B: square++; break        // [
-        case 0x5D: square--; break        // ]
-        case 0x7B: curly++; break         // {
-        case 0x7D: curly--; break         // }
-      }
-    }
-  }
-
-  if (expression === undefined) {
-    expression = exp.slice(0, i).trim();
-  } else if (lastFilterIndex !== 0) {
-    pushFilter();
-  }
-
-  function pushFilter () {
-    (filters || (filters = [])).push(exp.slice(lastFilterIndex, i).trim());
-    lastFilterIndex = i + 1;
-  }
-
-  if (filters) {
-    for (i = 0; i < filters.length; i++) {
-      expression = wrapFilter(expression, filters[i]);
-    }
-  }
-
-  return expression
-}
-
-function wrapFilter (exp, filter) {
-  var i = filter.indexOf('(');
-  if (i < 0) {
-    // _f: resolveFilter
-    return ("_f(\"" + filter + "\")(" + exp + ")")
-  } else {
-    var name = filter.slice(0, i);
-    var args = filter.slice(i + 1);
-    return ("_f(\"" + name + "\")(" + exp + "," + args)
-  }
-}
-
-/*  */
-
-var defaultTagRE = /\{\{((?:.|\n)+?)\}\}/g;
-var regexEscapeRE = /[-.*+?^${}()|[\]\/\\]/g;
-
-var buildRegex = cached(function (delimiters) {
-  var open = delimiters[0].replace(regexEscapeRE, '\\$&');
-  var close = delimiters[1].replace(regexEscapeRE, '\\$&');
-  return new RegExp(open + '((?:.|\\n)+?)' + close, 'g')
-});
-
-function parseText (
-  text,
-  delimiters
-) {
-  var tagRE = delimiters ? buildRegex(delimiters) : defaultTagRE;
-  if (!tagRE.test(text)) {
-    return
-  }
-  var tokens = [];
-  var lastIndex = tagRE.lastIndex = 0;
-  var match, index;
-  while ((match = tagRE.exec(text))) {
-    index = match.index;
-    // push text token
-    if (index > lastIndex) {
-      tokens.push(JSON.stringify(text.slice(lastIndex, index)));
-    }
-    // tag token
-    var exp = parseFilters(match[1].trim());
-    tokens.push(("_s(" + exp + ")"));
-    lastIndex = index + match[0].length;
-  }
-  if (lastIndex < text.length) {
-    tokens.push(JSON.stringify(text.slice(lastIndex)));
-  }
-  return tokens.join('+')
-}
-
-/*  */
-
-function baseWarn (msg) {
-  console.error(("[Vue parser]: " + msg));
-}
-
-function pluckModuleFunction (
-  modules,
-  key
-) {
-  return modules
-    ? modules.map(function (m) { return m[key]; }).filter(function (_) { return _; })
-    : []
-}
-
-function addProp (el, name, value) {
-  (el.props || (el.props = [])).push({ name: name, value: value });
-}
-
-function addAttr (el, name, value) {
-  (el.attrs || (el.attrs = [])).push({ name: name, value: value });
-}
-
-function addDirective (
-  el,
-  name,
-  rawName,
-  value,
-  arg,
-  modifiers
-) {
-  (el.directives || (el.directives = [])).push({ name: name, rawName: rawName, value: value, arg: arg, modifiers: modifiers });
-}
-
-function addHandler (
-  el,
-  name,
-  value,
-  modifiers,
-  important
-) {
-  // check capture modifier
-  if (modifiers && modifiers.capture) {
-    delete modifiers.capture;
-    name = '!' + name; // mark the event as captured
-  }
-  var events;
-  if (modifiers && modifiers.native) {
-    delete modifiers.native;
-    events = el.nativeEvents || (el.nativeEvents = {});
-  } else {
-    events = el.events || (el.events = {});
-  }
-  var newHandler = { value: value, modifiers: modifiers };
-  var handlers = events[name];
-  /* istanbul ignore if */
-  if (Array.isArray(handlers)) {
-    important ? handlers.unshift(newHandler) : handlers.push(newHandler);
-  } else if (handlers) {
-    events[name] = important ? [newHandler, handlers] : [handlers, newHandler];
-  } else {
-    events[name] = newHandler;
-  }
-}
-
-function getBindingAttr (
-  el,
-  name,
-  getStatic
-) {
-  var dynamicValue =
-    getAndRemoveAttr(el, ':' + name) ||
-    getAndRemoveAttr(el, 'v-bind:' + name);
-  if (dynamicValue != null) {
-    return dynamicValue
-  } else if (getStatic !== false) {
-    var staticValue = getAndRemoveAttr(el, name);
-    if (staticValue != null) {
-      return JSON.stringify(staticValue)
-    }
-  }
-}
-
-function getAndRemoveAttr (el, name) {
-  var val;
-  if ((val = el.attrsMap[name]) != null) {
-    var list = el.attrsList;
-    for (var i = 0, l = list.length; i < l; i++) {
-      if (list[i].name === name) {
-        list.splice(i, 1);
-        break
-      }
-    }
-  }
-  return val
-}
-
-/*  */
-
-var dirRE = /^v-|^@|^:/;
-var forAliasRE = /(.*?)\s+(?:in|of)\s+(.*)/;
-var forIteratorRE = /\(([^,]*),([^,]*)(?:,([^,]*))?\)/;
-var bindRE = /^:|^v-bind:/;
-var onRE = /^@|^v-on:/;
-var argRE = /:(.*)$/;
-var modifierRE = /\.[^\.]+/g;
-var specialNewlineRE = /\u2028|\u2029/g;
-
-var decodeHTMLCached = cached(decode);
-
-// configurable state
-var warn$1;
-var platformGetTagNamespace;
-var platformMustUseProp;
-var platformIsPreTag;
-var preTransforms;
-var transforms;
-var postTransforms;
-var delimiters;
-
-/**
- * Convert HTML string to AST.
- */
-function parse (
-  template,
-  options
-) {
-  warn$1 = options.warn || baseWarn;
-  platformGetTagNamespace = options.getTagNamespace || no;
-  platformMustUseProp = options.mustUseProp || no;
-  platformIsPreTag = options.isPreTag || no;
-  preTransforms = pluckModuleFunction(options.modules, 'preTransformNode');
-  transforms = pluckModuleFunction(options.modules, 'transformNode');
-  postTransforms = pluckModuleFunction(options.modules, 'postTransformNode');
-  delimiters = options.delimiters;
-  var stack = [];
-  var preserveWhitespace = options.preserveWhitespace !== false;
-  var root;
-  var currentParent;
-  var inVPre = false;
-  var inPre = false;
-  var warned = false;
-  parseHTML(template, {
-    expectHTML: options.expectHTML,
-    isUnaryTag: options.isUnaryTag,
-    shouldDecodeNewlines: options.shouldDecodeNewlines,
-    start: function start (tag, attrs, unary) {
-      // check namespace.
-      // inherit parent ns if there is one
-      var ns = (currentParent && currentParent.ns) || platformGetTagNamespace(tag);
-
-      // handle IE svg bug
-      /* istanbul ignore if */
-      if (options.isIE && ns === 'svg') {
-        attrs = guardIESVGBug(attrs);
-      }
-
-      var element = {
-        type: 1,
-        tag: tag,
-        attrsList: attrs,
-        attrsMap: makeAttrsMap(attrs, options.isIE),
-        parent: currentParent,
-        children: []
-      };
-      if (ns) {
-        element.ns = ns;
-      }
-
-      if ("client" !== 'server' && isForbiddenTag(element)) {
-        element.forbidden = true;
-        "development" !== 'production' && warn$1(
-          'Templates should only be responsible for mapping the state to the ' +
-          'UI. Avoid placing tags with side-effects in your templates, such as ' +
-          "<" + tag + ">."
-        );
-      }
-
-      // apply pre-transforms
-      for (var i = 0; i < preTransforms.length; i++) {
-        preTransforms[i](element, options);
-      }
-
-      if (!inVPre) {
-        processPre(element);
-        if (element.pre) {
-          inVPre = true;
-        }
-      }
-      if (platformIsPreTag(element.tag)) {
-        inPre = true;
-      }
-      if (inVPre) {
-        processRawAttrs(element);
-      } else {
-        processFor(element);
-        processIf(element);
-        processOnce(element);
-        processKey(element);
-
-        // determine whether this is a plain element after
-        // removing structural attributes
-        element.plain = !element.key && !attrs.length;
-
-        processRef(element);
-        processSlot(element);
-        processComponent(element);
-        for (var i$1 = 0; i$1 < transforms.length; i$1++) {
-          transforms[i$1](element, options);
-        }
-        processAttrs(element);
-      }
-
-      function checkRootConstraints (el) {
-        {
-          if (el.tag === 'slot' || el.tag === 'template') {
-            warn$1(
-              "Cannot use <" + (el.tag) + "> as component root element because it may " +
-              'contain multiple nodes:\n' + template
-            );
-          }
-          if (el.attrsMap.hasOwnProperty('v-for')) {
-            warn$1(
-              'Cannot use v-for on stateful component root element because ' +
-              'it renders multiple elements:\n' + template
-            );
-          }
-        }
-      }
-
-      // tree management
-      if (!root) {
-        root = element;
-        checkRootConstraints(root);
-      } else if ("development" !== 'production' && !stack.length && !warned) {
-        // allow 2 root elements with v-if and v-else
-        if (root.if && element.else) {
-          checkRootConstraints(element);
-          root.elseBlock = element;
-        } else {
-          warned = true;
-          warn$1(
-            ("Component template should contain exactly one root element:\n\n" + template)
-          );
-        }
-      }
-      if (currentParent && !element.forbidden) {
-        if (element.else) {
-          processElse(element, currentParent);
-        } else {
-          currentParent.children.push(element);
-          element.parent = currentParent;
-        }
-      }
-      if (!unary) {
-        currentParent = element;
-        stack.push(element);
-      }
-      // apply post-transforms
-      for (var i$2 = 0; i$2 < postTransforms.length; i$2++) {
-        postTransforms[i$2](element, options);
-      }
-    },
-
-    end: function end () {
-      // remove trailing whitespace
-      var element = stack[stack.length - 1];
-      var lastNode = element.children[element.children.length - 1];
-      if (lastNode && lastNode.type === 3 && lastNode.text === ' ') {
-        element.children.pop();
-      }
-      // pop stack
-      stack.length -= 1;
-      currentParent = stack[stack.length - 1];
-      // check pre state
-      if (element.pre) {
-        inVPre = false;
-      }
-      if (platformIsPreTag(element.tag)) {
-        inPre = false;
-      }
-    },
-
-    chars: function chars (text) {
-      if (!currentParent) {
-        if ("development" !== 'production' && !warned && text === template) {
-          warned = true;
-          warn$1(
-            'Component template requires a root element, rather than just text:\n\n' + template
-          );
-        }
-        return
-      }
-      text = inPre || text.trim()
-        ? decodeHTMLCached(text)
-        // only preserve whitespace if its not right after a starting tag
-        : preserveWhitespace && currentParent.children.length ? ' ' : '';
-      if (text) {
-        var expression;
-        if (!inVPre && text !== ' ' && (expression = parseText(text, delimiters))) {
-          currentParent.children.push({
-            type: 2,
-            expression: expression,
-            text: text
-          });
-        } else {
-          // #3895 special character
-          text = text.replace(specialNewlineRE, '');
-          currentParent.children.push({
-            type: 3,
-            text: text
-          });
-        }
-      }
-    }
-  });
-  return root
-}
-
-function processPre (el) {
-  if (getAndRemoveAttr(el, 'v-pre') != null) {
-    el.pre = true;
-  }
-}
-
-function processRawAttrs (el) {
-  var l = el.attrsList.length;
-  if (l) {
-    var attrs = el.attrs = new Array(l);
-    for (var i = 0; i < l; i++) {
-      attrs[i] = {
-        name: el.attrsList[i].name,
-        value: JSON.stringify(el.attrsList[i].value)
-      };
-    }
-  } else if (!el.pre) {
-    // non root node in pre blocks with no attributes
-    el.plain = true;
-  }
-}
-
-function processKey (el) {
-  var exp = getBindingAttr(el, 'key');
-  if (exp) {
-    if ("development" !== 'production' && el.tag === 'template') {
-      warn$1("<template> cannot be keyed. Place the key on real elements instead.");
-    }
-    el.key = exp;
-  }
-}
-
-function processRef (el) {
-  var ref = getBindingAttr(el, 'ref');
-  if (ref) {
-    el.ref = ref;
-    el.refInFor = checkInFor(el);
-  }
-}
-
-function processFor (el) {
-  var exp;
-  if ((exp = getAndRemoveAttr(el, 'v-for'))) {
-    var inMatch = exp.match(forAliasRE);
-    if (!inMatch) {
-      "development" !== 'production' && warn$1(
-        ("Invalid v-for expression: " + exp)
-      );
-      return
-    }
-    el.for = inMatch[2].trim();
-    var alias = inMatch[1].trim();
-    var iteratorMatch = alias.match(forIteratorRE);
-    if (iteratorMatch) {
-      el.alias = iteratorMatch[1].trim();
-      el.iterator1 = iteratorMatch[2].trim();
-      if (iteratorMatch[3]) {
-        el.iterator2 = iteratorMatch[3].trim();
-      }
-    } else {
-      el.alias = alias;
-    }
-  }
-}
-
-function processIf (el) {
-  var exp = getAndRemoveAttr(el, 'v-if');
-  if (exp) {
-    el.if = exp;
-  }
-  if (getAndRemoveAttr(el, 'v-else') != null) {
-    el.else = true;
-  }
-}
-
-function processElse (el, parent) {
-  var prev = findPrevElement(parent.children);
-  if (prev && prev.if) {
-    prev.elseBlock = el;
-  } else {
-    warn$1(
-      ("v-else used on element <" + (el.tag) + "> without corresponding v-if.")
-    );
-  }
-}
-
-function processOnce (el) {
-  var once = getAndRemoveAttr(el, 'v-once');
-  if (once != null) {
-    el.once = true;
-  }
-}
-
-function processSlot (el) {
-  if (el.tag === 'slot') {
-    el.slotName = getBindingAttr(el, 'name');
-  } else {
-    var slotTarget = getBindingAttr(el, 'slot');
-    if (slotTarget) {
-      el.slotTarget = slotTarget;
-    }
-  }
-}
-
-function processComponent (el) {
-  var binding;
-  if ((binding = getBindingAttr(el, 'is'))) {
-    el.component = binding;
-  }
-  if (getAndRemoveAttr(el, 'inline-template') != null) {
-    el.inlineTemplate = true;
-  }
-}
-
-function processAttrs (el) {
-  var list = el.attrsList;
-  var i, l, name, rawName, value, arg, modifiers, isProp;
-  for (i = 0, l = list.length; i < l; i++) {
-    name = rawName = list[i].name;
-    value = list[i].value;
-    if (dirRE.test(name)) {
-      // mark element as dynamic
-      el.hasBindings = true;
-      // modifiers
-      modifiers = parseModifiers(name);
-      if (modifiers) {
-        name = name.replace(modifierRE, '');
-      }
-      if (bindRE.test(name)) { // v-bind
-        name = name.replace(bindRE, '');
-        if (modifiers && modifiers.prop) {
-          isProp = true;
-          name = camelize(name);
-          if (name === 'innerHtml') { name = 'innerHTML'; }
-        }
-        if (isProp || platformMustUseProp(name)) {
-          addProp(el, name, value);
-        } else {
-          addAttr(el, name, value);
-        }
-      } else if (onRE.test(name)) { // v-on
-        name = name.replace(onRE, '');
-        addHandler(el, name, value, modifiers);
-      } else { // normal directives
-        name = name.replace(dirRE, '');
-        // parse arg
-        var argMatch = name.match(argRE);
-        if (argMatch && (arg = argMatch[1])) {
-          name = name.slice(0, -(arg.length + 1));
-        }
-        addDirective(el, name, rawName, value, arg, modifiers);
-        if ("development" !== 'production' && name === 'model') {
-          checkForAliasModel(el, value);
-        }
-      }
-    } else {
-      // literal attribute
-      {
-        var expression = parseText(value, delimiters);
-        if (expression) {
-          warn$1(
-            name + "=\"" + value + "\": " +
-            'Interpolation inside attributes has been deprecated. ' +
-            'Use v-bind or the colon shorthand instead.'
-          );
-        }
-      }
-      addAttr(el, name, JSON.stringify(value));
-    }
-  }
-}
-
-function checkInFor (el) {
-  var parent = el;
-  while (parent) {
-    if (parent.for !== undefined) {
-      return true
-    }
-    parent = parent.parent;
-  }
-  return false
-}
-
-function parseModifiers (name) {
-  var match = name.match(modifierRE);
-  if (match) {
-    var ret = {};
-    match.forEach(function (m) { ret[m.slice(1)] = true; });
-    return ret
-  }
-}
-
-function makeAttrsMap (attrs, isIE) {
-  var map = {};
-  for (var i = 0, l = attrs.length; i < l; i++) {
-    if ("development" !== 'production' && map[attrs[i].name] && !isIE) {
-      warn$1('duplicate attribute: ' + attrs[i].name);
-    }
-    map[attrs[i].name] = attrs[i].value;
-  }
-  return map
-}
-
-function findPrevElement (children) {
-  var i = children.length;
-  while (i--) {
-    if (children[i].tag) { return children[i] }
-  }
-}
-
-function isForbiddenTag (el) {
-  return (
-    el.tag === 'style' ||
-    (el.tag === 'script' && (
-      !el.attrsMap.type ||
-      el.attrsMap.type === 'text/javascript'
-    ))
-  )
-}
-
-var ieNSBug = /^xmlns:NS\d+/;
-var ieNSPrefix = /^NS\d+:/;
-
-/* istanbul ignore next */
-function guardIESVGBug (attrs) {
-  var res = [];
-  for (var i = 0; i < attrs.length; i++) {
-    var attr = attrs[i];
-    if (!ieNSBug.test(attr.name)) {
-      attr.name = attr.name.replace(ieNSPrefix, '');
-      res.push(attr);
-    }
-  }
-  return res
-}
-
-function checkForAliasModel (el, value) {
-  var _el = el;
-  while (_el) {
-    if (_el.for && _el.alias === value) {
-      warn$1(
-        "<" + (el.tag) + " v-model=\"" + value + "\">: " +
-        "You are binding v-model directly to a v-for iteration alias. " +
-        "This will not be able to modify the v-for source array because " +
-        "writing to the alias is like modifying a function local variable. " +
-        "Consider using an array of objects and use v-model on an object property instead."
-      );
-    }
-    _el = _el.parent;
-  }
-}
-
-/*  */
-
-var isStaticKey;
-var isPlatformReservedTag;
-
-var genStaticKeysCached = cached(genStaticKeys$1);
-
-/**
- * Goal of the optimizier: walk the generated template AST tree
- * and detect sub-trees that are purely static, i.e. parts of
- * the DOM that never needs to change.
- *
- * Once we detect these sub-trees, we can:
- *
- * 1. Hoist them into constants, so that we no longer need to
- *    create fresh nodes for them on each re-render;
- * 2. Completely skip them in the patching process.
- */
-function optimize (root, options) {
-  if (!root) { return }
-  isStaticKey = genStaticKeysCached(options.staticKeys || '');
-  isPlatformReservedTag = options.isReservedTag || (function () { return false; });
-  // first pass: mark all non-static nodes.
-  markStatic(root);
-  // second pass: mark static roots.
-  markStaticRoots(root, false);
-}
-
-function genStaticKeys$1 (keys) {
-  return makeMap(
-    'type,tag,attrsList,attrsMap,plain,parent,children,attrs' +
-    (keys ? ',' + keys : '')
-  )
-}
-
-function markStatic (node) {
-  node.static = isStatic(node);
-  if (node.type === 1) {
-    for (var i = 0, l = node.children.length; i < l; i++) {
-      var child = node.children[i];
-      markStatic(child);
-      if (!child.static) {
-        node.static = false;
-      }
-    }
-  }
-}
-
-function markStaticRoots (node, isInFor) {
-  if (node.type === 1) {
-    if (node.once || node.static) {
-      node.staticRoot = true;
-      node.staticInFor = isInFor;
-      return
-    }
-    if (node.children) {
-      for (var i = 0, l = node.children.length; i < l; i++) {
-        markStaticRoots(node.children[i], isInFor || !!node.for);
-      }
-    }
-  }
-}
-
-function isStatic (node) {
-  if (node.type === 2) { // expression
-    return false
-  }
-  if (node.type === 3) { // text
-    return true
-  }
-  return !!(node.pre || (
-    !node.hasBindings && // no dynamic bindings
-    !node.if && !node.for && // not v-if or v-for or v-else
-    !isBuiltInTag(node.tag) && // not a built-in
-    isPlatformReservedTag(node.tag) && // not a component
-    !isDirectChildOfTemplateFor(node) &&
-    Object.keys(node).every(isStaticKey)
-  ))
-}
-
-function isDirectChildOfTemplateFor (node) {
-  while (node.parent) {
-    node = node.parent;
-    if (node.tag !== 'template') {
-      return false
-    }
-    if (node.for) {
-      return true
-    }
-  }
-  return false
-}
-
-/*  */
-
-var simplePathRE = /^\s*[A-Za-z_$][\w$]*(?:\.[A-Za-z_$][\w$]*|\['.*?'\]|\[".*?"\]|\[\d+\]|\[[A-Za-z_$][\w$]*\])*\s*$/;
-
-// keyCode aliases
-var keyCodes = {
-  esc: 27,
-  tab: 9,
-  enter: 13,
-  space: 32,
-  up: 38,
-  left: 37,
-  right: 39,
-  down: 40,
-  'delete': [8, 46]
-};
-
-var modifierCode = {
-  stop: '$event.stopPropagation();',
-  prevent: '$event.preventDefault();',
-  self: 'if($event.target !== $event.currentTarget)return;'
-};
-
-function genHandlers (events, native) {
-  var res = native ? 'nativeOn:{' : 'on:{';
-  for (var name in events) {
-    res += "\"" + name + "\":" + (genHandler(events[name])) + ",";
-  }
-  return res.slice(0, -1) + '}'
-}
-
-function genHandler (
-  handler
-) {
-  if (!handler) {
-    return 'function(){}'
-  } else if (Array.isArray(handler)) {
-    return ("[" + (handler.map(genHandler).join(',')) + "]")
-  } else if (!handler.modifiers) {
-    return simplePathRE.test(handler.value)
-      ? handler.value
-      : ("function($event){" + (handler.value) + "}")
-  } else {
-    var code = '';
-    var keys = [];
-    for (var key in handler.modifiers) {
-      if (modifierCode[key]) {
-        code += modifierCode[key];
-      } else {
-        keys.push(key);
-      }
-    }
-    if (keys.length) {
-      code = genKeyFilter(keys) + code;
-    }
-    var handlerCode = simplePathRE.test(handler.value)
-      ? handler.value + '($event)'
-      : handler.value;
-    return 'function($event){' + code + handlerCode + '}'
-  }
-}
-
-function genKeyFilter (keys) {
-  var code = keys.length === 1
-    ? normalizeKeyCode(keys[0])
-    : Array.prototype.concat.apply([], keys.map(normalizeKeyCode));
-  if (Array.isArray(code)) {
-    return ("if(" + (code.map(function (c) { return ("$event.keyCode!==" + c); }).join('&&')) + ")return;")
-  } else {
-    return ("if($event.keyCode!==" + code + ")return;")
-  }
-}
-
-function normalizeKeyCode (key) {
-  return (
-    parseInt(key, 10) || // number keyCode
-    keyCodes[key] || // built-in alias
-    ("_k(" + (JSON.stringify(key)) + ")") // custom alias
-  )
-}
-
-/*  */
-
-function bind$2 (el, dir) {
-  el.wrapData = function (code) {
-    return ("_b(" + code + "," + (dir.value) + (dir.modifiers && dir.modifiers.prop ? ',true' : '') + ")")
-  };
-}
-
-var baseDirectives = {
-  bind: bind$2,
-  cloak: noop
-};
-
-/*  */
-
-// configurable state
-var warn$2;
-var transforms$1;
-var dataGenFns;
-var platformDirectives$1;
-var staticRenderFns;
-var currentOptions;
-
-function generate (
-  ast,
-  options
-) {
-  // save previous staticRenderFns so generate calls can be nested
-  var prevStaticRenderFns = staticRenderFns;
-  var currentStaticRenderFns = staticRenderFns = [];
-  currentOptions = options;
-  warn$2 = options.warn || baseWarn;
-  transforms$1 = pluckModuleFunction(options.modules, 'transformCode');
-  dataGenFns = pluckModuleFunction(options.modules, 'genData');
-  platformDirectives$1 = options.directives || {};
-  var code = ast ? genElement(ast) : '_h("div")';
-  staticRenderFns = prevStaticRenderFns;
-  return {
-    render: ("with(this){return " + code + "}"),
-    staticRenderFns: currentStaticRenderFns
-  }
-}
-
-function genElement (el) {
-  if (el.staticRoot && !el.staticProcessed) {
-    // hoist static sub-trees out
-    el.staticProcessed = true;
-    staticRenderFns.push(("with(this){return " + (genElement(el)) + "}"));
-    return ("_m(" + (staticRenderFns.length - 1) + (el.staticInFor ? ',true' : '') + ")")
-  } else if (el.for && !el.forProcessed) {
-    return genFor(el)
-  } else if (el.if && !el.ifProcessed) {
-    return genIf(el)
-  } else if (el.tag === 'template' && !el.slotTarget) {
-    return genChildren(el) || 'void 0'
-  } else if (el.tag === 'slot') {
-    return genSlot(el)
-  } else {
-    // component or element
-    var code;
-    if (el.component) {
-      code = genComponent(el);
-    } else {
-      var data = genData(el);
-      var children = el.inlineTemplate ? null : genChildren(el);
-      code = "_h('" + (el.tag) + "'" + (data ? ("," + data) : '') + (children ? ("," + children) : '') + ")";
-    }
-    // module transforms
-    for (var i = 0; i < transforms$1.length; i++) {
-      code = transforms$1[i](el, code);
-    }
-    return code
-  }
-}
-
-function genIf (el) {
-  var exp = el.if;
-  el.ifProcessed = true; // avoid recursion
-  return ("(" + exp + ")?" + (genElement(el)) + ":" + (genElse(el)))
-}
-
-function genElse (el) {
-  return el.elseBlock
-    ? genElement(el.elseBlock)
-    : '_e()'
-}
-
-function genFor (el) {
-  var exp = el.for;
-  var alias = el.alias;
-  var iterator1 = el.iterator1 ? ("," + (el.iterator1)) : '';
-  var iterator2 = el.iterator2 ? ("," + (el.iterator2)) : '';
-  el.forProcessed = true; // avoid recursion
-  return "_l((" + exp + ")," +
-    "function(" + alias + iterator1 + iterator2 + "){" +
-      "return " + (genElement(el)) +
-    '})'
-}
-
-function genData (el) {
-  if (el.plain) {
-    return
-  }
-
-  var data = '{';
-
-  // directives first.
-  // directives may mutate the el's other properties before they are generated.
-  var dirs = genDirectives(el);
-  if (dirs) { data += dirs + ','; }
-
-  // key
-  if (el.key) {
-    data += "key:" + (el.key) + ",";
-  }
-  // ref
-  if (el.ref) {
-    data += "ref:" + (el.ref) + ",";
-  }
-  if (el.refInFor) {
-    data += "refInFor:true,";
-  }
-  // record original tag name for components using "is" attribute
-  if (el.component) {
-    data += "tag:\"" + (el.tag) + "\",";
-  }
-  // slot target
-  if (el.slotTarget) {
-    data += "slot:" + (el.slotTarget) + ",";
-  }
-  // module data generation functions
-  for (var i = 0; i < dataGenFns.length; i++) {
-    data += dataGenFns[i](el);
-  }
-  // attributes
-  if (el.attrs) {
-    data += "attrs:{" + (genProps(el.attrs)) + "},";
-  }
-  // DOM props
-  if (el.props) {
-    data += "domProps:{" + (genProps(el.props)) + "},";
-  }
-  // event handlers
-  if (el.events) {
-    data += (genHandlers(el.events)) + ",";
-  }
-  if (el.nativeEvents) {
-    data += (genHandlers(el.nativeEvents, true)) + ",";
-  }
-  // inline-template
-  if (el.inlineTemplate) {
-    var ast = el.children[0];
-    if ("development" !== 'production' && (
-      el.children.length > 1 || ast.type !== 1
-    )) {
-      warn$2('Inline-template components must have exactly one child element.');
-    }
-    if (ast.type === 1) {
-      var inlineRenderFns = generate(ast, currentOptions);
-      data += "inlineTemplate:{render:function(){" + (inlineRenderFns.render) + "},staticRenderFns:[" + (inlineRenderFns.staticRenderFns.map(function (code) { return ("function(){" + code + "}"); }).join(',')) + "]}";
-    }
-  }
-  data = data.replace(/,$/, '') + '}';
-  // v-bind data wrap
-  if (el.wrapData) {
-    data = el.wrapData(data);
-  }
-  return data
-}
-
-function genDirectives (el) {
-  var dirs = el.directives;
-  if (!dirs) { return }
-  var res = 'directives:[';
-  var hasRuntime = false;
-  var i, l, dir, needRuntime;
-  for (i = 0, l = dirs.length; i < l; i++) {
-    dir = dirs[i];
-    needRuntime = true;
-    var gen = platformDirectives$1[dir.name] || baseDirectives[dir.name];
-    if (gen) {
-      // compile-time directive that manipulates AST.
-      // returns true if it also needs a runtime counterpart.
-      needRuntime = !!gen(el, dir, warn$2);
-    }
-    if (needRuntime) {
-      hasRuntime = true;
-      res += "{name:\"" + (dir.name) + "\",rawName:\"" + (dir.rawName) + "\"" + (dir.value ? (",value:(" + (dir.value) + "),expression:" + (JSON.stringify(dir.value))) : '') + (dir.arg ? (",arg:\"" + (dir.arg) + "\"") : '') + (dir.modifiers ? (",modifiers:" + (JSON.stringify(dir.modifiers))) : '') + "},";
-    }
-  }
-  if (hasRuntime) {
-    return res.slice(0, -1) + ']'
-  }
-}
-
-function genChildren (el) {
-  if (el.children.length) {
-    return '[' + el.children.map(genNode).join(',') + ']'
-  }
-}
-
-function genNode (node) {
-  if (node.type === 1) {
-    return genElement(node)
-  } else {
-    return genText(node)
-  }
-}
-
-function genText (text) {
-  return text.type === 2
-    ? text.expression // no need for () because already wrapped in _s()
-    : JSON.stringify(text.text)
-}
-
-function genSlot (el) {
-  var slotName = el.slotName || '"default"';
-  var children = genChildren(el);
-  return children
-    ? ("_t(" + slotName + "," + children + ")")
-    : ("_t(" + slotName + ")")
-}
-
-function genComponent (el) {
-  var children = el.inlineTemplate ? null : genChildren(el);
-  return ("_h(" + (el.component) + "," + (genData(el)) + (children ? ("," + children) : '') + ")")
-}
-
-function genProps (props) {
-  var res = '';
-  for (var i = 0; i < props.length; i++) {
-    var prop = props[i];
-    res += "\"" + (prop.name) + "\":" + (prop.value) + ",";
-  }
-  return res.slice(0, -1)
-}
-
-/*  */
-
-/**
- * Compile a template.
- */
-function compile$1 (
-  template,
-  options
-) {
-  var ast = parse(template.trim(), options);
-  optimize(ast, options);
-  var code = generate(ast, options);
-  return {
-    ast: ast,
-    render: code.render,
-    staticRenderFns: code.staticRenderFns
-  }
-}
-
-/*  */
-
-// operators like typeof, instanceof and in are allowed
-var prohibitedKeywordRE = new RegExp('\\b' + (
-  'do,if,for,let,new,try,var,case,else,with,await,break,catch,class,const,' +
-  'super,throw,while,yield,delete,export,import,return,switch,default,' +
-  'extends,finally,continue,debugger,function,arguments'
-).split(',').join('\\b|\\b') + '\\b');
-// check valid identifier for v-for
-var identRE = /[A-Za-z_$][\w$]*/;
-// strip strings in expressions
-var stripStringRE = /'(?:[^'\\]|\\.)*'|"(?:[^"\\]|\\.)*"|`(?:[^`\\]|\\.)*\$\{|\}(?:[^`\\]|\\.)*`|`(?:[^`\\]|\\.)*`/g;
-
-// detect problematic expressions in a template
-function detectErrors (ast) {
-  var errors = [];
-  if (ast) {
-    checkNode(ast, errors);
-  }
-  return errors
-}
-
-function checkNode (node, errors) {
-  if (node.type === 1) {
-    for (var name in node.attrsMap) {
-      if (dirRE.test(name)) {
-        var value = node.attrsMap[name];
-        if (value) {
-          if (name === 'v-for') {
-            checkFor(node, ("v-for=\"" + value + "\""), errors);
-          } else {
-            checkExpression(value, (name + "=\"" + value + "\""), errors);
-          }
-        }
-      }
-    }
-    if (node.children) {
-      for (var i = 0; i < node.children.length; i++) {
-        checkNode(node.children[i], errors);
-      }
-    }
-  } else if (node.type === 2) {
-    checkExpression(node.expression, node.text, errors);
-  }
-}
-
-function checkFor (node, text, errors) {
-  checkExpression(node.for || '', text, errors);
-  checkIdentifier(node.alias, 'v-for alias', text, errors);
-  checkIdentifier(node.iterator1, 'v-for iterator', text, errors);
-  checkIdentifier(node.iterator2, 'v-for iterator', text, errors);
-}
-
-function checkIdentifier (ident, type, text, errors) {
-  if (typeof ident === 'string' && !identRE.test(ident)) {
-    errors.push(("- invalid " + type + " \"" + ident + "\" in expression: " + text));
-  }
-}
-
-function checkExpression (exp, text, errors) {
-  try {
-    new Function(("return " + exp));
-  } catch (e) {
-    var keywordMatch = exp.replace(stripStringRE, '').match(prohibitedKeywordRE);
-    if (keywordMatch) {
-      errors.push(
-        "- avoid using JavaScript keyword as property name: " +
-        "\"" + (keywordMatch[0]) + "\" in expression " + text
-      );
-    } else {
-      errors.push(("- invalid expression: " + text));
-    }
-  }
-}
-
-/*  */
-
-function transformNode (el, options) {
-  var warn = options.warn || baseWarn;
-  var staticClass = getAndRemoveAttr(el, 'class');
-  if ("development" !== 'production' && staticClass) {
-    var expression = parseText(staticClass, options.delimiters);
-    if (expression) {
-      warn(
-        "class=\"" + staticClass + "\": " +
-        'Interpolation inside attributes has been deprecated. ' +
-        'Use v-bind or the colon shorthand instead.'
-      );
-    }
-  }
-  if (staticClass) {
-    el.staticClass = JSON.stringify(staticClass);
-  }
-  var classBinding = getBindingAttr(el, 'class', false /* getStatic */);
-  if (classBinding) {
-    el.classBinding = classBinding;
-  }
-}
-
-function genData$1 (el) {
-  var data = '';
-  if (el.staticClass) {
-    data += "staticClass:" + (el.staticClass) + ",";
-  }
-  if (el.classBinding) {
-    data += "class:" + (el.classBinding) + ",";
-  }
-  return data
-}
-
-var klass$1 = {
-  staticKeys: ['staticClass'],
-  transformNode: transformNode,
-  genData: genData$1
-};
-
-/*  */
-
-function transformNode$1 (el) {
-  var styleBinding = getBindingAttr(el, 'style', false /* getStatic */);
-  if (styleBinding) {
-    el.styleBinding = styleBinding;
-  }
-}
-
-function genData$2 (el) {
-  return el.styleBinding
-    ? ("style:(" + (el.styleBinding) + "),")
-    : ''
-}
-
-var style$1 = {
-  transformNode: transformNode$1,
-  genData: genData$2
-};
-
-var modules$1 = [
-  klass$1,
-  style$1
-];
-
-/*  */
-
-var warn$3;
-
-function model$1 (
-  el,
-  dir,
-  _warn
-) {
-  warn$3 = _warn;
-  var value = dir.value;
-  var modifiers = dir.modifiers;
-  var tag = el.tag;
-  var type = el.attrsMap.type;
-  {
-    var dynamicType = el.attrsMap['v-bind:type'] || el.attrsMap[':type'];
-    if (tag === 'input' && dynamicType) {
-      warn$3(
-        "<input :type=\"" + dynamicType + "\" v-model=\"" + value + "\">:\n" +
-        "v-model does not support dynamic input types. Use v-if branches instead."
-      );
-    }
-  }
-  if (tag === 'select') {
-    genSelect(el, value);
-  } else if (tag === 'input' && type === 'checkbox') {
-    genCheckboxModel(el, value);
-  } else if (tag === 'input' && type === 'radio') {
-    genRadioModel(el, value);
-  } else {
-    genDefaultModel(el, value, modifiers);
-  }
-  // ensure runtime directive metadata
-  return true
-}
-
-function genCheckboxModel (el, value) {
-  if ("development" !== 'production' &&
-    el.attrsMap.checked != null) {
-    warn$3(
-      "<" + (el.tag) + " v-model=\"" + value + "\" checked>:\n" +
-      "inline checked attributes will be ignored when using v-model. " +
-      'Declare initial values in the component\'s data option instead.'
-    );
-  }
-  var valueBinding = getBindingAttr(el, 'value') || 'null';
-  var trueValueBinding = getBindingAttr(el, 'true-value') || 'true';
-  var falseValueBinding = getBindingAttr(el, 'false-value') || 'false';
-  addProp(el, 'checked',
-    "Array.isArray(" + value + ")" +
-      "?_i(" + value + "," + valueBinding + ")>-1" +
-      ":_q(" + value + "," + trueValueBinding + ")"
-  );
-  addHandler(el, 'change',
-    "var $$a=" + value + "," +
-        '$$el=$event.target,' +
-        "$$c=$$el.checked?(" + trueValueBinding + "):(" + falseValueBinding + ");" +
-    'if(Array.isArray($$a)){' +
-      "var $$v=" + valueBinding + "," +
-          '$$i=_i($$a,$$v);' +
-      "if($$c){$$i<0&&(" + value + "=$$a.concat($$v))}" +
-      "else{$$i>-1&&(" + value + "=$$a.slice(0,$$i).concat($$a.slice($$i+1)))}" +
-    "}else{" + value + "=$$c}",
-    null, true
-  );
-}
-
-function genRadioModel (el, value) {
-  if ("development" !== 'production' &&
-    el.attrsMap.checked != null) {
-    warn$3(
-      "<" + (el.tag) + " v-model=\"" + value + "\" checked>:\n" +
-      "inline checked attributes will be ignored when using v-model. " +
-      'Declare initial values in the component\'s data option instead.'
-    );
-  }
-  var valueBinding = getBindingAttr(el, 'value') || 'null';
-  addProp(el, 'checked', ("_q(" + value + "," + valueBinding + ")"));
-  addHandler(el, 'change', (value + "=" + valueBinding), null, true);
-}
-
-function genDefaultModel (
-  el,
-  value,
-  modifiers
-) {
-  {
-    if (el.tag === 'input' && el.attrsMap.value) {
-      warn$3(
-        "<" + (el.tag) + " v-model=\"" + value + "\" value=\"" + (el.attrsMap.value) + "\">:\n" +
-        'inline value attributes will be ignored when using v-model. ' +
-        'Declare initial values in the component\'s data option instead.'
-      );
-    }
-    if (el.tag === 'textarea' && el.children.length) {
-      warn$3(
-        "<textarea v-model=\"" + value + "\">:\n" +
-        'inline content inside <textarea> will be ignored when using v-model. ' +
-        'Declare initial values in the component\'s data option instead.'
-      );
-    }
-  }
-
-  var type = el.attrsMap.type;
-  var ref = modifiers || {};
-  var lazy = ref.lazy;
-  var number = ref.number;
-  var trim = ref.trim;
-  var event = lazy || (isIE && type === 'range') ? 'change' : 'input';
-  var needCompositionGuard = !lazy && type !== 'range';
-  var isNative = el.tag === 'input' || el.tag === 'textarea';
-
-  var valueExpression = isNative
-    ? ("$event.target.value" + (trim ? '.trim()' : ''))
-    : "$event";
-  var code = number || type === 'number'
-    ? (value + "=_n(" + valueExpression + ")")
-    : (value + "=" + valueExpression);
-  if (isNative && needCompositionGuard) {
-    code = "if($event.target.composing)return;" + code;
-  }
-  // inputs with type="file" are read only and setting the input's
-  // value will throw an error.
-  if ("development" !== 'production' &&
-      type === 'file') {
-    warn$3(
-      "<" + (el.tag) + " v-model=\"" + value + "\" type=\"file\">:\n" +
-      "File inputs are read only. Use a v-on:change listener instead."
-    );
-  }
-  addProp(el, 'value', isNative ? ("_s(" + value + ")") : ("(" + value + ")"));
-  addHandler(el, event, code, null, true);
-}
-
-function genSelect (el, value) {
-  {
-    el.children.some(checkOptionWarning);
-  }
-  var code = value + "=Array.prototype.filter" +
-    ".call($event.target.options,function(o){return o.selected})" +
-    ".map(function(o){return \"_value\" in o ? o._value : o.value})" +
-    (el.attrsMap.multiple == null ? '[0]' : '');
-  addHandler(el, 'change', code, null, true);
-}
-
-function checkOptionWarning (option) {
-  if (option.type === 1 &&
-    option.tag === 'option' &&
-    option.attrsMap.selected != null) {
-    warn$3(
-      "<select v-model=\"" + (option.parent.attrsMap['v-model']) + "\">:\n" +
-      'inline selected attributes on <option> will be ignored when using v-model. ' +
-      'Declare initial values in the component\'s data option instead.'
-    );
-    return true
-  }
-  return false
-}
-
-/*  */
-
-function text (el, dir) {
-  if (dir.value) {
-    addProp(el, 'textContent', ("_s(" + (dir.value) + ")"));
-  }
-}
-
-/*  */
-
-function html (el, dir) {
-  if (dir.value) {
-    addProp(el, 'innerHTML', ("_s(" + (dir.value) + ")"));
-  }
-}
-
-var directives$1 = {
-  model: model$1,
-  text: text,
-  html: html
-};
-
-/*  */
-
-var cache = Object.create(null);
-
-var baseOptions = {
-  isIE: isIE,
-  expectHTML: true,
-  modules: modules$1,
-  staticKeys: genStaticKeys(modules$1),
-  directives: directives$1,
-  isReservedTag: isReservedTag,
-  isUnaryTag: isUnaryTag,
-  mustUseProp: mustUseProp,
-  getTagNamespace: getTagNamespace,
-  isPreTag: isPreTag
-};
-
-function compile$$1 (
-  template,
-  options
-) {
-  options = options
-    ? extend(extend({}, baseOptions), options)
-    : baseOptions;
-  return compile$1(template, options)
-}
-
-function compileToFunctions (
-  template,
-  options,
-  vm
-) {
-  var _warn = (options && options.warn) || warn;
-  // detect possible CSP restriction
-  /* istanbul ignore if */
-  {
-    try {
-      new Function('return 1');
-    } catch (e) {
-      if (e.toString().match(/unsafe-eval|CSP/)) {
-        _warn(
-          'It seems you are using the standalone build of Vue.js in an ' +
-          'environment with Content Security Policy that prohibits unsafe-eval. ' +
-          'The template compiler cannot work in this environment. Consider ' +
-          'relaxing the policy to allow unsafe-eval or pre-compiling your ' +
-          'templates into render functions.'
-        );
-      }
-    }
-  }
-  var key = options && options.delimiters
-    ? String(options.delimiters) + template
-    : template;
-  if (cache[key]) {
-    return cache[key]
-  }
-  var res = {};
-  var compiled = compile$$1(template, options);
-  res.render = makeFunction(compiled.render);
-  var l = compiled.staticRenderFns.length;
-  res.staticRenderFns = new Array(l);
-  for (var i = 0; i < l; i++) {
-    res.staticRenderFns[i] = makeFunction(compiled.staticRenderFns[i]);
-  }
-  {
-    if (res.render === noop || res.staticRenderFns.some(function (fn) { return fn === noop; })) {
-      _warn(
-        "failed to compile template:\n\n" + template + "\n\n" +
-        detectErrors(compiled.ast).join('\n') +
-        '\n\n',
-        vm
-      );
-    }
-  }
-  return (cache[key] = res)
-}
-
-function makeFunction (code) {
-  try {
-    return new Function(code)
-  } catch (e) {
-    return noop
-  }
-}
-
-/*  */
-
-var idToTemplate = cached(function (id) {
-  var el = query(id);
-  return el && el.innerHTML
-});
-
-var mount = Vue$3.prototype.$mount;
-Vue$3.prototype.$mount = function (
-  el,
-  hydrating
-) {
-  el = el && query(el);
-
-  /* istanbul ignore if */
-  if (el === document.body || el === document.documentElement) {
-    "development" !== 'production' && warn(
-      "Do not mount Vue to <html> or <body> - mount to normal elements instead."
-    );
-    return this
-  }
-
-  var options = this.$options;
-  // resolve template/el and convert to render function
-  if (!options.render) {
-    var template = options.template;
-    if (template) {
-      if (typeof template === 'string') {
-        if (template.charAt(0) === '#') {
-          template = idToTemplate(template);
-        }
-      } else if (template.nodeType) {
-        template = template.innerHTML;
-      } else {
-        {
-          warn('invalid template option:' + template, this);
-        }
-        return this
-      }
-    } else if (el) {
-      template = getOuterHTML(el);
-    }
-    if (template) {
-      var ref = compileToFunctions(template, {
-        warn: warn,
-        shouldDecodeNewlines: shouldDecodeNewlines,
-        delimiters: options.delimiters
-      }, this);
-      var render = ref.render;
-      var staticRenderFns = ref.staticRenderFns;
-      options.render = render;
-      options.staticRenderFns = staticRenderFns;
-    }
-  }
-  return mount.call(this, el, hydrating)
-};
-
-/**
- * Get outerHTML of elements, taking care
- * of SVG elements in IE as well.
- */
-function getOuterHTML (el) {
-  if (el.outerHTML) {
-    return el.outerHTML
-  } else {
-    var container = document.createElement('div');
-    container.appendChild(el.cloneNode(true));
-    return container.innerHTML
-  }
-}
-
-Vue$3.compile = compileToFunctions;
-
-return Vue$3;
-
-})));
diff --git a/vendor/assets/javascripts/vue.js.erb b/vendor/assets/javascripts/vue.js.erb
deleted file mode 100644
index 008beb10f4d..00000000000
--- a/vendor/assets/javascripts/vue.js.erb
+++ /dev/null
@@ -1,2 +0,0 @@
-<% type = Rails.env.development? ? 'full' : 'min' %>
-<%= File.read(Rails.root.join("vendor/assets/javascripts/vue.#{type}.js")) %>
diff --git a/vendor/assets/javascripts/vue.min.js b/vendor/assets/javascripts/vue.min.js
deleted file mode 100644
index f86786dd454..00000000000
--- a/vendor/assets/javascripts/vue.min.js
+++ /dev/null
@@ -1,7 +0,0 @@
-/*!
- * Vue.js v2.0.3
- * (c) 2014-2016 Evan You
- * Released under the MIT License.
- */
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