diff --git a/dist/vue-tree-navigation.js b/dist/vue-tree-navigation.js
index 19843a3..f07b7f1 100644
--- a/dist/vue-tree-navigation.js
+++ b/dist/vue-tree-navigation.js
@@ -1,2 +1,2 @@
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scriptExports || {}\n\n  // ES6 modules interop\n  var type = typeof scriptExports.default\n  if (type === 'object' || type === 'function') {\n    scriptExports = scriptExports.default\n  }\n\n  // Vue.extend constructor export interop\n  var options = typeof scriptExports === 'function'\n    ? scriptExports.options\n    : scriptExports\n\n  // render functions\n  if (render) {\n    options.render = render\n    options.staticRenderFns = staticRenderFns\n    options._compiled = true\n  }\n\n  // functional template\n  if (functionalTemplate) {\n    options.functional = true\n  }\n\n  // scopedId\n  if (scopeId) {\n    options._scopeId = scopeId\n  }\n\n  var hook\n  if (moduleIdentifier) { // server build\n    hook = function (context) {\n      // 2.3 injection\n      context =\n        context || // cached call\n        (this.$vnode && this.$vnode.ssrContext) || // stateful\n        (this.parent && this.parent.$vnode && this.parent.$vnode.ssrContext) // functional\n      // 2.2 with runInNewContext: true\n      if (!context && typeof __VUE_SSR_CONTEXT__ !== 'undefined') {\n        context = __VUE_SSR_CONTEXT__\n      }\n      // inject component styles\n      if (injectStyles) {\n        injectStyles.call(this, context)\n      }\n      // register component module identifier for async chunk inferrence\n      if (context && context._registeredComponents) {\n        context._registeredComponents.add(moduleIdentifier)\n      }\n    }\n    // used by ssr in case component is cached and beforeCreate\n    // never gets called\n    options._ssrRegister = hook\n  } else if (injectStyles) {\n    hook = shadowMode\n      ? function () { injectStyles.call(this, this.$root.$options.shadowRoot) }\n      : injectStyles\n  }\n\n  if (hook) {\n    if (options.functional) {\n      // for template-only hot-reload because in that case the render fn doesn't\n      // go through the normalizer\n      options._injectStyles = hook\n      // register for functioal component in vue file\n      var originalRender = options.render\n      options.render = function renderWithStyleInjection (h, context) {\n        hook.call(context)\n        return originalRender(h, context)\n      }\n    } else {\n      // inject component registration as beforeCreate hook\n      var existing = options.beforeCreate\n      options.beforeCreate = existing\n        ? [].concat(existing, hook)\n        : [hook]\n    }\n  }\n\n  return {\n    exports: scriptExports,\n    options: options\n  }\n}\n","/**\n * Translates the list format produced by css-loader into something\n * easier to manipulate.\n */\nexport default function listToStyles (parentId, list) {\n  var styles = []\n  var newStyles = {}\n  for (var i = 0; i < list.length; i++) {\n    var item = list[i]\n    var id = item[0]\n    var css = item[1]\n    var media = item[2]\n    var sourceMap = item[3]\n    var part = {\n      id: parentId + ':' + i,\n      css: css,\n      media: media,\n      sourceMap: sourceMap\n    }\n    if (!newStyles[id]) {\n      styles.push(newStyles[id] = { id: id, parts: [part] })\n    } else {\n      newStyles[id].parts.push(part)\n    }\n  }\n  return styles\n}\n","/*\n  MIT License http://www.opensource.org/licenses/mit-license.php\n  Author Tobias Koppers @sokra\n  Modified by Evan You @yyx990803\n*/\n\nimport listToStyles from './listToStyles'\n\nvar hasDocument = typeof document !== 'undefined'\n\nif (typeof DEBUG !== 'undefined' && DEBUG) {\n  if (!hasDocument) {\n    throw new Error(\n    'vue-style-loader cannot be used in a non-browser environment. ' +\n    \"Use { target: 'node' } in your Webpack config to indicate a server-rendering environment.\"\n  ) }\n}\n\n/*\ntype StyleObject = {\n  id: number;\n  parts: Array<StyleObjectPart>\n}\n\ntype StyleObjectPart = {\n  css: string;\n  media: string;\n  sourceMap: ?string\n}\n*/\n\nvar stylesInDom = {/*\n  [id: number]: {\n    id: number,\n    refs: number,\n    parts: Array<(obj?: StyleObjectPart) => void>\n  }\n*/}\n\nvar head = hasDocument && (document.head || document.getElementsByTagName('head')[0])\nvar singletonElement = null\nvar singletonCounter = 0\nvar isProduction = false\nvar noop = function () {}\nvar options = null\nvar ssrIdKey = 'data-vue-ssr-id'\n\n// Force single-tag solution on IE6-9, which has a hard limit on the # of <style>\n// tags it will allow on a page\nvar isOldIE = typeof navigator !== 'undefined' && /msie [6-9]\\b/.test(navigator.userAgent.toLowerCase())\n\nexport default function addStylesClient (parentId, list, _isProduction, _options) {\n  isProduction = _isProduction\n\n  options = _options || {}\n\n  var styles = listToStyles(parentId, list)\n  addStylesToDom(styles)\n\n  return function update (newList) {\n    var mayRemove = []\n    for (var i = 0; i < styles.length; i++) {\n      var item = styles[i]\n      var domStyle = stylesInDom[item.id]\n      domStyle.refs--\n      mayRemove.push(domStyle)\n    }\n    if (newList) {\n      styles = listToStyles(parentId, newList)\n      addStylesToDom(styles)\n    } else {\n      styles = []\n    }\n    for (var i = 0; i < mayRemove.length; i++) {\n      var domStyle = mayRemove[i]\n      if (domStyle.refs === 0) {\n        for (var j = 0; j < domStyle.parts.length; j++) {\n          domStyle.parts[j]()\n        }\n        delete stylesInDom[domStyle.id]\n      }\n    }\n  }\n}\n\nfunction addStylesToDom (styles /* Array<StyleObject> */) {\n  for (var i = 0; i < styles.length; i++) {\n    var item = styles[i]\n    var domStyle = stylesInDom[item.id]\n    if (domStyle) {\n      domStyle.refs++\n      for (var j = 0; j < domStyle.parts.length; j++) {\n        domStyle.parts[j](item.parts[j])\n      }\n      for (; j < item.parts.length; j++) {\n        domStyle.parts.push(addStyle(item.parts[j]))\n      }\n      if (domStyle.parts.length > item.parts.length) {\n        domStyle.parts.length = item.parts.length\n      }\n    } else {\n      var parts = []\n      for (var j = 0; j < item.parts.length; j++) {\n        parts.push(addStyle(item.parts[j]))\n      }\n      stylesInDom[item.id] = { id: item.id, refs: 1, parts: parts }\n    }\n  }\n}\n\nfunction createStyleElement () {\n  var styleElement = document.createElement('style')\n  styleElement.type = 'text/css'\n  head.appendChild(styleElement)\n  return styleElement\n}\n\nfunction addStyle (obj /* StyleObjectPart */) {\n  var update, remove\n  var styleElement = document.querySelector('style[' + ssrIdKey + '~=\"' + obj.id + '\"]')\n\n  if (styleElement) {\n    if (isProduction) {\n      // has SSR styles and in production mode.\n      // simply do nothing.\n      return noop\n    } else {\n      // has SSR styles but in dev mode.\n      // for some reason Chrome can't handle source map in server-rendered\n      // style tags - source maps in <style> only works if the style tag is\n      // created and inserted dynamically. So we remove the server rendered\n      // styles and inject new ones.\n      styleElement.parentNode.removeChild(styleElement)\n    }\n  }\n\n  if (isOldIE) {\n    // use singleton mode for IE9.\n    var styleIndex = singletonCounter++\n    styleElement = singletonElement || (singletonElement = createStyleElement())\n    update = applyToSingletonTag.bind(null, styleElement, styleIndex, false)\n    remove = applyToSingletonTag.bind(null, styleElement, styleIndex, true)\n  } else {\n    // use multi-style-tag mode in all other cases\n    styleElement = createStyleElement()\n    update = applyToTag.bind(null, styleElement)\n    remove = function () {\n      styleElement.parentNode.removeChild(styleElement)\n    }\n  }\n\n  update(obj)\n\n  return function updateStyle (newObj /* StyleObjectPart */) {\n    if (newObj) {\n      if (newObj.css === obj.css &&\n          newObj.media === obj.media &&\n          newObj.sourceMap === obj.sourceMap) {\n        return\n      }\n      update(obj = newObj)\n    } else {\n      remove()\n    }\n  }\n}\n\nvar replaceText = (function () {\n  var textStore = []\n\n  return function (index, replacement) {\n    textStore[index] = replacement\n    return textStore.filter(Boolean).join('\\n')\n  }\n})()\n\nfunction applyToSingletonTag (styleElement, index, remove, obj) {\n  var css = remove ? '' : obj.css\n\n  if (styleElement.styleSheet) {\n    styleElement.styleSheet.cssText = replaceText(index, css)\n  } else {\n    var cssNode = document.createTextNode(css)\n    var childNodes = styleElement.childNodes\n    if (childNodes[index]) styleElement.removeChild(childNodes[index])\n    if (childNodes.length) {\n      styleElement.insertBefore(cssNode, childNodes[index])\n    } else {\n      styleElement.appendChild(cssNode)\n    }\n  }\n}\n\nfunction applyToTag (styleElement, obj) {\n  var css = obj.css\n  var media = obj.media\n  var sourceMap = obj.sourceMap\n\n  if (media) {\n    styleElement.setAttribute('media', media)\n  }\n  if (options.ssrId) {\n    styleElement.setAttribute(ssrIdKey, obj.id)\n  }\n\n  if (sourceMap) {\n    // https://developer.chrome.com/devtools/docs/javascript-debugging\n    // this makes source maps inside style tags work properly in Chrome\n    css += '\\n/*# sourceURL=' + sourceMap.sources[0] + ' */'\n    // http://stackoverflow.com/a/26603875\n    css += '\\n/*# sourceMappingURL=data:application/json;base64,' + btoa(unescape(encodeURIComponent(JSON.stringify(sourceMap)))) + ' */'\n  }\n\n  if (styleElement.styleSheet) {\n    styleElement.styleSheet.cssText = css\n  } else {\n    while (styleElement.firstChild) {\n      styleElement.removeChild(styleElement.firstChild)\n    }\n    styleElement.appendChild(document.createTextNode(css))\n  }\n}\n","/*\n\tMIT License http://www.opensource.org/licenses/mit-license.php\n\tAuthor Tobias Koppers @sokra\n*/\n// css base code, injected by the css-loader\nmodule.exports = function(useSourceMap) {\n\tvar list = [];\n\n\t// return the list of modules as css string\n\tlist.toString = function toString() {\n\t\treturn this.map(function (item) {\n\t\t\tvar content = cssWithMappingToString(item, useSourceMap);\n\t\t\tif(item[2]) {\n\t\t\t\treturn \"@media \" + item[2] + \"{\" + content + \"}\";\n\t\t\t} else {\n\t\t\t\treturn content;\n\t\t\t}\n\t\t}).join(\"\");\n\t};\n\n\t// import a list of modules into the list\n\tlist.i = function(modules, mediaQuery) {\n\t\tif(typeof modules === \"string\")\n\t\t\tmodules = [[null, modules, \"\"]];\n\t\tvar alreadyImportedModules = {};\n\t\tfor(var i = 0; i < this.length; i++) {\n\t\t\tvar id = this[i][0];\n\t\t\tif(typeof id === \"number\")\n\t\t\t\talreadyImportedModules[id] = true;\n\t\t}\n\t\tfor(i = 0; i < modules.length; i++) {\n\t\t\tvar item = modules[i];\n\t\t\t// skip already imported module\n\t\t\t// this implementation is not 100% perfect for weird media query combinations\n\t\t\t//  when a module is imported multiple times with different media queries.\n\t\t\t//  I hope this will never occur (Hey this way we have smaller bundles)\n\t\t\tif(typeof item[0] !== \"number\" || !alreadyImportedModules[item[0]]) {\n\t\t\t\tif(mediaQuery && !item[2]) {\n\t\t\t\t\titem[2] = mediaQuery;\n\t\t\t\t} else if(mediaQuery) {\n\t\t\t\t\titem[2] = \"(\" + item[2] + \") and (\" + mediaQuery + \")\";\n\t\t\t\t}\n\t\t\t\tlist.push(item);\n\t\t\t}\n\t\t}\n\t};\n\treturn list;\n};\n\nfunction cssWithMappingToString(item, useSourceMap) {\n\tvar content = item[1] || '';\n\tvar cssMapping = item[3];\n\tif (!cssMapping) {\n\t\treturn content;\n\t}\n\n\tif (useSourceMap && typeof btoa === 'function') {\n\t\tvar sourceMapping = toComment(cssMapping);\n\t\tvar sourceURLs = cssMapping.sources.map(function (source) {\n\t\t\treturn '/*# sourceURL=' + cssMapping.sourceRoot + source + ' */'\n\t\t});\n\n\t\treturn [content].concat(sourceURLs).concat([sourceMapping]).join('\\n');\n\t}\n\n\treturn [content].join('\\n');\n}\n\n// Adapted from convert-source-map (MIT)\nfunction toComment(sourceMap) {\n\t// eslint-disable-next-line no-undef\n\tvar base64 = btoa(unescape(encodeURIComponent(JSON.stringify(sourceMap))));\n\tvar data = 'sourceMappingURL=data:application/json;charset=utf-8;base64,' + base64;\n\n\treturn '/*# ' + data + ' */';\n}\n","/**\n * Return a navigation item - a hyperlink, a router link, or a text.\n * Return only item name in case it is neither the route nor the element.\n * Return a router link in case the item is route.\n * Return a hyperlink in case the item is element.\n */\n\n<template>\n  <span\n    class=\"NavigationItem\"\n    :class=\"classes\">\n    <span v-if=\"showText\">{{ item.name }}</span>\n\n    <a\n      v-if=\"showHyperLink\"\n      :href=\"item.meta.path\">{{ item.name }}</a>\n\n    <a\n      v-if=\"showExternalHyperLink\"\n      :href=\"item.meta.path\"\n      target=\"_blank\">{{ item.name }}</a>\n\n    <router-link\n      v-if=\"showRouterLink\"\n      class=\"router-link\"\n      :to=\"item.meta.path\">{{ item.name }}</router-link>\n  </span>\n</template>\n\n<script>\nimport {\n  PATH_TYPE_NONE,\n  PATH_TYPE_ELEMENT,\n  PATH_TYPE_ROUTE,\n  PATH_TYPE_EXTERNAL,\n} from '../../config';\n\nexport default {\n  props: {\n    item: Object,\n    required: true,\n  },\n  computed: {\n    showText() {\n      return this.item.meta.pathType === PATH_TYPE_NONE;\n    },\n    showHyperLink() {\n      return this.showLink && this.$router === undefined;\n    },\n    showExternalHyperLink() {\n      return this.item.meta.pathType === PATH_TYPE_EXTERNAL;\n    },\n    showRouterLink() {\n      return this.showLink && this.$router !== undefined;\n    },\n    showLink() {\n      return (\n        this.item.meta.pathType === PATH_TYPE_ROUTE ||\n        this.item.meta.pathType === PATH_TYPE_ELEMENT\n      );\n    },\n    isActive() {\n      if (this.item.meta.path === undefined) {\n        return false;\n      }\n\n      if (this.$route) {\n        return this.$route.path + this.$route.hash === this.item.meta.path;\n      }\n\n      return window.location.href.endsWith(this.item.meta.path);\n    },\n    classes() {\n      return {\n        'NavigationItem--active': this.isActive,\n      };\n    },\n  },\n};\n</script>\n\n<style lang=\"scss\">\n@import './NavigationItem.scss';\n</style>\n","<template>\n  <span\n    class=\"NavigationToggle\"\n    :class=\"{ 'NavigationToggle--closed': !this.open }\">\n    <span\n      class=\"NavigationToggle__icon\"\n      :class=\"{ 'NavigationToggle__icon--closed': !this.open }\"></span>\n  </span>\n</template>\n\n<script>\nexport default {\n  props: {\n    open: {\n      type: Boolean,\n      required: false,\n      default: false,\n    },\n  },\n};\n</script>\n\n<style lang=\"scss\">\n@import './NavigationToggle.scss';\n</style>\n","<template>\n  <ul \n    class=\"NavigationLevel\"\n    :class=\"classes\">\n    <li>\n      <NavigationToggle\n        :open=\"isOpen\"\n        @click.native=\"onToggleClick\" />\n      <NavigationItem\n        :item=\"parentItem\"\n        @click.native=\"onItemClick\" />\n    </li>\n\n    <!-- child items goes here -->\n    <slot></slot>\n  </ul>\n</template>\n\n<script>\nimport NavigationToggle from '../NavigationToggle/NavigationToggle.vue';\nimport NavigationItem from '../NavigationItem/NavigationItem.vue';\n\nexport default {\n  data() {\n    return {\n      isOpen: this.open,\n    };\n  },\n  props: {\n    level: {\n      type: Number,\n      required: true,\n    },\n    open: {\n      type: Boolean,\n      required: false,\n      default: false,\n    },\n    parentItem: {\n      type: Object,\n      required: true,\n    },\n  },\n\n  computed: {\n    classes() {\n      return {\n        'NavigationLevel--closed': !this.isOpen,\n        [`NavigationLevel--level-${this.level}`]: true,\n      };\n    },\n  },\n\n  methods: {\n    onToggleClick() {\n      this.isOpen = !this.isOpen;\n    },\n    onItemClick() {\n      if (this.isOpen === false) {\n        this.isOpen = true;\n      }\n    },\n  },\n\n  components: {\n    NavigationItem,\n    NavigationToggle,\n  },\n};\n</script>\n\n<style lang=\"scss\">\n@import './NavigationLevel.scss';\n</style>\n","var render = function () {var _vm=this;var _h=_vm.$createElement;var _c=_vm._self._c||_h;return _c('ul',{staticClass:\"NavigationLevel\",class:_vm.classes},[_c('li',[_c('NavigationToggle',{attrs:{\"open\":_vm.isOpen},nativeOn:{\"click\":function($event){return _vm.onToggleClick($event)}}}),_vm._v(\" \"),_c('NavigationItem',{attrs:{\"item\":_vm.parentItem},nativeOn:{\"click\":function($event){return _vm.onItemClick($event)}}})],1),_vm._v(\" \"),_vm._t(\"default\")],2)}\nvar staticRenderFns = []\nexport { render, staticRenderFns }","var render = function () {var _vm=this;var _h=_vm.$createElement;var _c=_vm._self._c||_h;return _c('span',{staticClass:\"NavigationItem\",class:_vm.classes},[(_vm.showText)?_c('span',[_vm._v(_vm._s(_vm.item.name))]):_vm._e(),_vm._v(\" \"),(_vm.showHyperLink)?_c('a',{attrs:{\"href\":_vm.item.meta.path}},[_vm._v(_vm._s(_vm.item.name))]):_vm._e(),_vm._v(\" \"),(_vm.showExternalHyperLink)?_c('a',{attrs:{\"href\":_vm.item.meta.path,\"target\":\"_blank\"}},[_vm._v(_vm._s(_vm.item.name))]):_vm._e(),_vm._v(\" \"),(_vm.showRouterLink)?_c('router-link',{staticClass:\"router-link\",attrs:{\"to\":_vm.item.meta.path}},[_vm._v(_vm._s(_vm.item.name))]):_vm._e()],1)}\nvar staticRenderFns = []\nexport { render, staticRenderFns }","var render = function () {var _vm=this;var _h=_vm.$createElement;var _c=_vm._self._c||_h;return _c('span',{staticClass:\"NavigationToggle\",class:{ 'NavigationToggle--closed': !this.open }},[_c('span',{staticClass:\"NavigationToggle__icon\",class:{ 'NavigationToggle__icon--closed': !this.open }})])}\nvar staticRenderFns = []\nexport { render, staticRenderFns }","export const PATH_TYPE_NONE = 'none';\nexport const PATH_TYPE_ELEMENT = 'element';\nexport const PATH_TYPE_ROUTE = 'route';\nexport const PATH_TYPE_EXTERNAL = 'external';\n","function injectStyle (context) {\n  require(\"!!vue-style-loader!css-loader!../../../node_modules/vue-loader/lib/style-compiler/index?{\\\"optionsId\\\":\\\"0\\\",\\\"vue\\\":true,\\\"scoped\\\":false,\\\"sourceMap\\\":false}!sass-loader!../../../node_modules/vue-loader/lib/selector?type=styles&index=0!./NavigationItem.vue\")\n}\n/* script */\nexport * from \"!!babel-loader!../../../node_modules/vue-loader/lib/selector?type=script&index=0!./NavigationItem.vue\"\nimport __vue_script__ from \"!!babel-loader!../../../node_modules/vue-loader/lib/selector?type=script&index=0!./NavigationItem.vue\"\n/* template */\nimport {render as __vue_render__, staticRenderFns as __vue_static_render_fns__} from \"!!../../../node_modules/vue-loader/lib/template-compiler/index?{\\\"id\\\":\\\"data-v-e1c1fed6\\\",\\\"hasScoped\\\":false,\\\"optionsId\\\":\\\"0\\\",\\\"buble\\\":{\\\"transforms\\\":{}}}!../../../node_modules/vue-loader/lib/selector?type=template&index=0!./NavigationItem.vue\"\n/* template functional */\nvar __vue_template_functional__ = false\n/* styles */\nvar __vue_styles__ = injectStyle\n/* scopeId */\nvar __vue_scopeId__ = null\n/* moduleIdentifier (server only) */\nvar __vue_module_identifier__ = null\nimport normalizeComponent from \"!../../../node_modules/vue-loader/lib/runtime/component-normalizer\"\nvar Component = normalizeComponent(\n  __vue_script__,\n  __vue_render__,\n  __vue_static_render_fns__,\n  __vue_template_functional__,\n  __vue_styles__,\n  __vue_scopeId__,\n  __vue_module_identifier__\n)\n\nexport default Component.exports\n","exports = module.exports = require(\"../../../node_modules/css-loader/lib/css-base.js\")(false);\n// imports\n\n\n// module\nexports.push([module.id, \".TreeNavigation{display:inline-block;padding:0;margin:0}.TreeNavigation ul{padding:0;margin:0;list-style-type:none}.TreeNavigation ul ul li:not(:first-child){padding-left:20px}\", \"\"]);\n\n// exports\n","// style-loader: Adds some css to the DOM by adding a <style> tag\n\n// load the styles\nvar content = require(\"!!../../../node_modules/css-loader/index.js!../../../node_modules/sass-loader/lib/loader.js!./TreeNavigation.scss\");\nif(typeof content === 'string') content = [[module.id, content, '']];\nif(content.locals) module.exports = content.locals;\n// add the styles to the DOM\nvar add = require(\"!../../../node_modules/vue-style-loader/lib/addStylesClient.js\").default\nvar update = add(\"0965e660\", content, true, {});","/**\n * Check if there is an element appended to the end\n * of the path and then remove it.\n */\nexport const removeElementFromPath = path => {\n  let hashPos;\n\n  while (hashPos !== -1) {\n    hashPos = path.lastIndexOf('#');\n\n    if (hashPos === -1) {\n      return path;\n    }\n\n    // do not cut of router url\n    if (hashPos === path.indexOf('#/')) {\n      return path;\n    }\n\n    path = path.slice(0, hashPos);\n  }\n};\n\n/**\n * First character should be backslash.\n * Last character shouldn't be backslash.\n */\nexport const sanitizeRoute = route => {\n  if (route === undefined) {\n    return;\n  }\n\n  if (route[0] !== '/') {\n    route = '/' + route;\n  }\n\n  if (route[route.length - 1] === '/') {\n    route = route.slice(0, -1);\n  }\n\n  return route;\n};\n\n/**\n * First character should be #.\n */\nexport const sanitizeElement = element => {\n  if (element === undefined) {\n    return;\n  }\n\n  if (element[0] !== '#') {\n    element = '#' + element;\n  }\n\n  return element;\n};\n\n/**\n * Remove domain and router's `/#` if present.\n */\nexport const getRelativeUrl = (url, origin) => {\n  if (origin[origin.length - 1] === '/') {\n    origin = origin.slice(0, -1);\n  }\n  let relativeUrl = url.replace(origin, '');\n\n  if (relativeUrl.startsWith('/#')) {\n    relativeUrl = relativeUrl.substring(2);\n  }\n\n  return sanitizeRoute(relativeUrl);\n};\n","exports = module.exports = require(\"../../../node_modules/css-loader/lib/css-base.js\")(false);\n// imports\n\n\n// module\nexports.push([module.id, \".NavigationItem{display:inline-block;padding-top:5px;padding-bottom:5px}.NavigationItem span{cursor:pointer}\", \"\"]);\n\n// exports\n","// style-loader: Adds some css to the DOM by adding a <style> tag\n\n// load the styles\nvar content = require(\"!!../../../node_modules/css-loader/index.js!../../../node_modules/vue-loader/lib/style-compiler/index.js?{\\\"optionsId\\\":\\\"0\\\",\\\"vue\\\":true,\\\"scoped\\\":false,\\\"sourceMap\\\":false}!../../../node_modules/sass-loader/lib/loader.js!../../../node_modules/vue-loader/lib/selector.js?type=styles&index=0!./NavigationItem.vue\");\nif(typeof content === 'string') content = [[module.id, content, '']];\nif(content.locals) module.exports = content.locals;\n// add the styles to the DOM\nvar add = require(\"!../../../node_modules/vue-style-loader/lib/addStylesClient.js\").default\nvar update = add(\"14573478\", content, true, {});","exports = module.exports = require(\"../../../node_modules/css-loader/lib/css-base.js\")(false);\n// imports\n\n\n// module\nexports.push([module.id, \".NavigationToggle{position:relative;top:-3px;padding:5px 5px 5px 3px;cursor:pointer}.NavigationToggle__icon{display:inline-block;padding:3px;border:solid #000;border-width:0 2px 2px 0;transform:rotate(45deg)}.NavigationToggle__icon--closed{transform:rotate(-45deg)}\", \"\"]);\n\n// exports\n","// style-loader: Adds some css to the DOM by adding a <style> tag\n\n// load the styles\nvar content = require(\"!!../../../node_modules/css-loader/index.js!../../../node_modules/vue-loader/lib/style-compiler/index.js?{\\\"optionsId\\\":\\\"0\\\",\\\"vue\\\":true,\\\"scoped\\\":false,\\\"sourceMap\\\":false}!../../../node_modules/sass-loader/lib/loader.js!../../../node_modules/vue-loader/lib/selector.js?type=styles&index=0!./NavigationToggle.vue\");\nif(typeof content === 'string') content = [[module.id, content, '']];\nif(content.locals) module.exports = content.locals;\n// add the styles to the DOM\nvar add = require(\"!../../../node_modules/vue-style-loader/lib/addStylesClient.js\").default\nvar update = add(\"13a093fa\", content, true, {});","function injectStyle (context) {\n  require(\"!!vue-style-loader!css-loader!../../../node_modules/vue-loader/lib/style-compiler/index?{\\\"optionsId\\\":\\\"0\\\",\\\"vue\\\":true,\\\"scoped\\\":false,\\\"sourceMap\\\":false}!sass-loader!../../../node_modules/vue-loader/lib/selector?type=styles&index=0!./NavigationToggle.vue\")\n}\n/* script */\nexport * from \"!!babel-loader!../../../node_modules/vue-loader/lib/selector?type=script&index=0!./NavigationToggle.vue\"\nimport __vue_script__ from \"!!babel-loader!../../../node_modules/vue-loader/lib/selector?type=script&index=0!./NavigationToggle.vue\"\n/* template */\nimport {render as __vue_render__, staticRenderFns as __vue_static_render_fns__} from \"!!../../../node_modules/vue-loader/lib/template-compiler/index?{\\\"id\\\":\\\"data-v-3b0d27b8\\\",\\\"hasScoped\\\":false,\\\"optionsId\\\":\\\"0\\\",\\\"buble\\\":{\\\"transforms\\\":{}}}!../../../node_modules/vue-loader/lib/selector?type=template&index=0!./NavigationToggle.vue\"\n/* template functional */\nvar __vue_template_functional__ = false\n/* styles */\nvar __vue_styles__ = injectStyle\n/* scopeId */\nvar __vue_scopeId__ = null\n/* moduleIdentifier (server only) */\nvar __vue_module_identifier__ = null\nimport normalizeComponent from \"!../../../node_modules/vue-loader/lib/runtime/component-normalizer\"\nvar Component = normalizeComponent(\n  __vue_script__,\n  __vue_render__,\n  __vue_static_render_fns__,\n  __vue_template_functional__,\n  __vue_styles__,\n  __vue_scopeId__,\n  __vue_module_identifier__\n)\n\nexport default Component.exports\n","exports = module.exports = require(\"../../../node_modules/css-loader/lib/css-base.js\")(false);\n// imports\n\n\n// module\nexports.push([module.id, \".NavigationLevel--closed>li:not(:first-child){display:none}\", \"\"]);\n\n// exports\n","// style-loader: Adds some css to the DOM by adding a <style> tag\n\n// load the styles\nvar content = require(\"!!../../../node_modules/css-loader/index.js!../../../node_modules/vue-loader/lib/style-compiler/index.js?{\\\"optionsId\\\":\\\"0\\\",\\\"vue\\\":true,\\\"scoped\\\":false,\\\"sourceMap\\\":false}!../../../node_modules/sass-loader/lib/loader.js!../../../node_modules/vue-loader/lib/selector.js?type=styles&index=0!./NavigationLevel.vue\");\nif(typeof content === 'string') content = [[module.id, content, '']];\nif(content.locals) module.exports = content.locals;\n// add the styles to the DOM\nvar add = require(\"!../../../node_modules/vue-style-loader/lib/addStylesClient.js\").default\nvar update = add(\"486a06cd\", content, true, {});","function injectStyle (context) {\n  require(\"!!vue-style-loader!css-loader!../../../node_modules/vue-loader/lib/style-compiler/index?{\\\"optionsId\\\":\\\"0\\\",\\\"vue\\\":true,\\\"scoped\\\":false,\\\"sourceMap\\\":false}!sass-loader!../../../node_modules/vue-loader/lib/selector?type=styles&index=0!./NavigationLevel.vue\")\n}\n/* script */\nexport * from \"!!babel-loader!../../../node_modules/vue-loader/lib/selector?type=script&index=0!./NavigationLevel.vue\"\nimport __vue_script__ from \"!!babel-loader!../../../node_modules/vue-loader/lib/selector?type=script&index=0!./NavigationLevel.vue\"\n/* template */\nimport {render as __vue_render__, staticRenderFns as __vue_static_render_fns__} from \"!!../../../node_modules/vue-loader/lib/template-compiler/index?{\\\"id\\\":\\\"data-v-9157d690\\\",\\\"hasScoped\\\":false,\\\"optionsId\\\":\\\"0\\\",\\\"buble\\\":{\\\"transforms\\\":{}}}!../../../node_modules/vue-loader/lib/selector?type=template&index=0!./NavigationLevel.vue\"\n/* template functional */\nvar __vue_template_functional__ = false\n/* styles */\nvar __vue_styles__ = injectStyle\n/* scopeId */\nvar __vue_scopeId__ = null\n/* moduleIdentifier (server only) */\nvar __vue_module_identifier__ = null\nimport normalizeComponent from \"!../../../node_modules/vue-loader/lib/runtime/component-normalizer\"\nvar Component = normalizeComponent(\n  __vue_script__,\n  __vue_render__,\n  __vue_static_render_fns__,\n  __vue_template_functional__,\n  __vue_styles__,\n  __vue_scopeId__,\n  __vue_module_identifier__\n)\n\nexport default Component.exports\n","import NavigationLevel from '../NavigationLevel/NavigationLevel.vue';\nimport NavigationItem from '../NavigationItem/NavigationItem.vue';\n\nimport {\n  PATH_TYPE_NONE,\n  PATH_TYPE_ELEMENT,\n  PATH_TYPE_ROUTE,\n  PATH_TYPE_EXTERNAL,\n} from '../../config';\n\nimport {\n  sanitizeElement,\n  sanitizeRoute,\n  removeElementFromPath,\n  getRelativeUrl,\n} from '../utils';\n\n/**\n * Recursive function.\n * One call generates one level of the tree.\n */\nexport const generateLevel = (\n  createElement,\n  items,\n  level,\n  defaultOpenLevel\n) => {\n  const children = [];\n\n  items.forEach(item => {\n    if (item.hasOwnProperty('children')) {\n      const navLevel = createElement(\n        NavigationLevel,\n        {\n          props: {\n            level,\n            open: renderLevelAsOpen(item, level, defaultOpenLevel),\n            parentItem: item,\n          },\n        },\n        [\n          ...generateLevel(\n            createElement,\n            item.children,\n            level + 1,\n            defaultOpenLevel\n          ),\n        ]\n      );\n\n      children.push(createElement('li', [navLevel]));\n    } else {\n      const navItem = createElement(NavigationItem, {\n        props: {\n          item,\n        },\n      });\n\n      children.push(createElement('li', [navItem]));\n    }\n  });\n\n  return children;\n};\n\n/**\n * Level should be opened in following cases\n * - level is less than or equal to default open level\n * - its URL is a part of an active URL\n * - it contains a child which URL is a part of an active URL\n */\nexport const renderLevelAsOpen = (parentItem, level, defaultOpenLevel) => {\n  if (defaultOpenLevel >= level) {\n    return true;\n  }\n\n  const currentUrl = getRelativeUrl(\n    window.location.href,\n    window.location.origin\n  );\n\n  if (isItemUrlChildOfCurrentUrl(parentItem, currentUrl) === true) {\n    return true;\n  }\n\n  for (let i = 0; i < parentItem.children.length; i++) {\n    let child = parentItem.children[i];\n\n    if (isItemUrlChildOfCurrentUrl(child, currentUrl) === true) {\n      return true;\n    }\n  }\n\n  return false;\n};\n\nexport const isItemUrlChildOfCurrentUrl = (item, currentUrl) => {\n  if (item.meta.path !== undefined) {\n    let itemUrl = item.meta.path;\n\n    if (!itemUrl.startsWith('/#')) {\n      itemUrl = removeElementFromPath(itemUrl);\n    }\n\n    if (currentUrl.startsWith(itemUrl)) {\n      return true;\n    }\n\n    return false;\n  }\n};\n\n/**\n * Recursive function.\n * Insert metadata containing the navigation path and its type to each item.\n **/\nexport const insertMetadataToItems = (items, parent) => {\n  items.forEach(item => {\n    item.meta = getItemMetadata(item, parent);\n\n    if (item.hasOwnProperty('children')) {\n      item.children = insertMetadataToItems(item.children, item);\n    }\n  });\n\n  return items;\n};\n\n/**\n * Return item metadata object: { path: ..., pathType: ... }\n */\nexport const getItemMetadata = (item, parent) => {\n  const element = sanitizeElement(item.element);\n  const route = sanitizeRoute(item.route);\n  const external = item.external;\n\n  // item is its own parent\n  if (parent === undefined) {\n    if (\n      element === undefined &&\n      route === undefined &&\n      external === undefined\n    ) {\n      return {\n        path: undefined,\n        pathType: PATH_TYPE_NONE,\n      };\n    }\n\n    if (external !== undefined) {\n      return {\n        path: external,\n        pathType: PATH_TYPE_EXTERNAL,\n      };\n    }\n\n    if (route !== undefined) {\n      return {\n        path: route,\n        pathType: PATH_TYPE_ROUTE,\n      };\n    }\n\n    if (element !== undefined) {\n      return {\n        path: element,\n        pathType: PATH_TYPE_ELEMENT,\n      };\n    }\n  }\n\n  // route -> external\n  if (parent.meta.pathType === PATH_TYPE_ROUTE && external !== undefined) {\n    return {\n      path: external,\n      pathType: PATH_TYPE_EXTERNAL,\n    };\n  }\n\n  // route -> route\n  if (parent.meta.pathType === PATH_TYPE_ROUTE && route !== undefined) {\n    const parentPath = removeElementFromPath(parent.meta.path);\n\n    return {\n      path: parentPath + route,\n      pathType: PATH_TYPE_ROUTE,\n    };\n  }\n\n  // route -> element\n  if (parent.meta.pathType === PATH_TYPE_ROUTE && element !== undefined) {\n    const parentPath = removeElementFromPath(parent.meta.path);\n\n    return {\n      path: parentPath + element,\n      pathType: PATH_TYPE_ROUTE,\n    };\n  }\n\n  // route -> label\n  if (\n    parent.meta.pathType === PATH_TYPE_ROUTE &&\n    element === undefined &&\n    route === undefined &&\n    external === undefined\n  ) {\n    const parentPath = removeElementFromPath(parent.meta.path);\n\n    return {\n      path: parentPath,\n      pathType: PATH_TYPE_ROUTE,\n    };\n  }\n\n  // element -> external\n  if (parent.meta.pathType === PATH_TYPE_ELEMENT && external !== undefined) {\n    return {\n      path: external,\n      pathType: PATH_TYPE_EXTERNAL,\n    };\n  }\n\n  // element -> route\n  if (parent.meta.pathType === PATH_TYPE_ELEMENT && route !== undefined) {\n    return {\n      path: route,\n      pathType: PATH_TYPE_ROUTE,\n    };\n  }\n\n  // element -> element\n  if (parent.meta.pathType === PATH_TYPE_ELEMENT && element !== undefined) {\n    return {\n      path: element,\n      pathType: PATH_TYPE_ELEMENT,\n    };\n  }\n\n  // element -> label\n  if (\n    parent.meta.pathType === PATH_TYPE_ELEMENT &&\n    element === undefined &&\n    route === undefined &&\n    external === undefined\n  ) {\n    return {\n      path: undefined,\n      pathType: PATH_TYPE_NONE,\n    };\n  }\n\n  // label -> external\n  if (parent.meta.pathType === PATH_TYPE_NONE && external !== undefined) {\n    return {\n      path: external,\n      pathType: PATH_TYPE_EXTERNAL,\n    };\n  }\n\n  // label -> route\n  if (parent.meta.pathType === PATH_TYPE_NONE && route !== undefined) {\n    return {\n      path: route,\n      pathType: PATH_TYPE_ROUTE,\n    };\n  }\n\n  // label -> element\n  if (parent.meta.pathType === PATH_TYPE_NONE && element !== undefined) {\n    return {\n      path: '/' + element,\n      pathType: PATH_TYPE_ELEMENT,\n    };\n  }\n\n  // label -> label\n  if (\n    parent.meta.pathType === PATH_TYPE_NONE &&\n    element === undefined &&\n    route === undefined\n  ) {\n    return {\n      path: undefined,\n      pathType: PATH_TYPE_NONE,\n    };\n  }\n\n  // external -> external\n  if (parent.meta.pathType === PATH_TYPE_EXTERNAL && external !== undefined) {\n    return {\n      path: external,\n      pathType: PATH_TYPE_EXTERNAL,\n    };\n  }\n\n  // external -> route\n  if (parent.meta.pathType === PATH_TYPE_EXTERNAL && route !== undefined) {\n    return {\n      path: route,\n      pathType: PATH_TYPE_ROUTE,\n    };\n  }\n\n  // external -> element\n  if (parent.meta.pathType === PATH_TYPE_EXTERNAL && element !== undefined) {\n    return {\n      path: element,\n      pathType: PATH_TYPE_ELEMENT,\n    };\n  }\n\n  // external -> label\n  if (\n    parent.meta.pathType === PATH_TYPE_EXTERNAL &&\n    element === undefined &&\n    route === undefined &&\n    external === undefined\n  ) {\n    return {\n      path: undefined,\n      pathType: PATH_TYPE_NONE,\n    };\n  }\n};\n","import { insertMetadataToItems, generateLevel } from './core';\n\nimport './TreeNavigation.scss';\n\nconst TreeNavigation = {\n  props: {\n    items: {\n      type: Array,\n      required: true,\n    },\n    defaultOpenLevel: {\n      type: Number,\n      default: 0,\n    },\n  },\n\n  computed: {\n    itemsWithMetadata() {\n      const self = this;\n\n      const items = JSON.parse(JSON.stringify(self.items));\n      return insertMetadataToItems(items);\n    },\n  },\n\n  render(createElement) {\n    const self = this;\n\n    const level = 1;\n    const tree = createElement(\n      'ul',\n      {\n        class: ['NavigationLevel', 'NavigationLevel--level-0'],\n      },\n      generateLevel(\n        createElement,\n        self.itemsWithMetadata,\n        level,\n        self.defaultOpenLevel\n      )\n    );\n\n    const wrapper = createElement(\n      'div',\n      {\n        class: 'TreeNavigation',\n      },\n      [tree]\n    );\n\n    return wrapper;\n  },\n};\n\nexport default TreeNavigation;\n","import TreeNavigation from './components/TreeNavigation/TreeNavigation';\n\nmodule.exports = {\n  install: function(Vue, options) {\n    Vue.component('vue-tree-navigation', TreeNavigation);\n  },\n};\n"],"sourceRoot":""}
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scriptExports || {}\n\n  // ES6 modules interop\n  var type = typeof scriptExports.default\n  if (type === 'object' || type === 'function') {\n    scriptExports = scriptExports.default\n  }\n\n  // Vue.extend constructor export interop\n  var options = typeof scriptExports === 'function'\n    ? scriptExports.options\n    : scriptExports\n\n  // render functions\n  if (render) {\n    options.render = render\n    options.staticRenderFns = staticRenderFns\n    options._compiled = true\n  }\n\n  // functional template\n  if (functionalTemplate) {\n    options.functional = true\n  }\n\n  // scopedId\n  if (scopeId) {\n    options._scopeId = scopeId\n  }\n\n  var hook\n  if (moduleIdentifier) { // server build\n    hook = function (context) {\n      // 2.3 injection\n      context =\n        context || // cached call\n        (this.$vnode && this.$vnode.ssrContext) || // stateful\n        (this.parent && this.parent.$vnode && this.parent.$vnode.ssrContext) // functional\n      // 2.2 with runInNewContext: true\n      if (!context && typeof __VUE_SSR_CONTEXT__ !== 'undefined') {\n        context = __VUE_SSR_CONTEXT__\n      }\n      // inject component styles\n      if (injectStyles) {\n        injectStyles.call(this, context)\n      }\n      // register component module identifier for async chunk inferrence\n      if (context && context._registeredComponents) {\n        context._registeredComponents.add(moduleIdentifier)\n      }\n    }\n    // used by ssr in case component is cached and beforeCreate\n    // never gets called\n    options._ssrRegister = hook\n  } else if (injectStyles) {\n    hook = shadowMode\n      ? function () { injectStyles.call(this, this.$root.$options.shadowRoot) }\n      : injectStyles\n  }\n\n  if (hook) {\n    if (options.functional) {\n      // for template-only hot-reload because in that case the render fn doesn't\n      // go through the normalizer\n      options._injectStyles = hook\n      // register for functioal component in vue file\n      var originalRender = options.render\n      options.render = function renderWithStyleInjection (h, context) {\n        hook.call(context)\n        return originalRender(h, context)\n      }\n    } else {\n      // inject component registration as beforeCreate hook\n      var existing = options.beforeCreate\n      options.beforeCreate = existing\n        ? [].concat(existing, hook)\n        : [hook]\n    }\n  }\n\n  return {\n    exports: scriptExports,\n    options: options\n  }\n}\n","/**\n * Translates the list format produced by css-loader into something\n * easier to manipulate.\n */\nexport default function listToStyles (parentId, list) {\n  var styles = []\n  var newStyles = {}\n  for (var i = 0; i < list.length; i++) {\n    var item = list[i]\n    var id = item[0]\n    var css = item[1]\n    var media = item[2]\n    var sourceMap = item[3]\n    var part = {\n      id: parentId + ':' + i,\n      css: css,\n      media: media,\n      sourceMap: sourceMap\n    }\n    if (!newStyles[id]) {\n      styles.push(newStyles[id] = { id: id, parts: [part] })\n    } else {\n      newStyles[id].parts.push(part)\n    }\n  }\n  return styles\n}\n","/*\n  MIT License http://www.opensource.org/licenses/mit-license.php\n  Author Tobias Koppers @sokra\n  Modified by Evan You @yyx990803\n*/\n\nimport listToStyles from './listToStyles'\n\nvar hasDocument = typeof document !== 'undefined'\n\nif (typeof DEBUG !== 'undefined' && DEBUG) {\n  if (!hasDocument) {\n    throw new Error(\n    'vue-style-loader cannot be used in a non-browser environment. ' +\n    \"Use { target: 'node' } in your Webpack config to indicate a server-rendering environment.\"\n  ) }\n}\n\n/*\ntype StyleObject = {\n  id: number;\n  parts: Array<StyleObjectPart>\n}\n\ntype StyleObjectPart = {\n  css: string;\n  media: string;\n  sourceMap: ?string\n}\n*/\n\nvar stylesInDom = {/*\n  [id: number]: {\n    id: number,\n    refs: number,\n    parts: Array<(obj?: StyleObjectPart) => void>\n  }\n*/}\n\nvar head = hasDocument && (document.head || document.getElementsByTagName('head')[0])\nvar singletonElement = null\nvar singletonCounter = 0\nvar isProduction = false\nvar noop = function () {}\nvar options = null\nvar ssrIdKey = 'data-vue-ssr-id'\n\n// Force single-tag solution on IE6-9, which has a hard limit on the # of <style>\n// tags it will allow on a page\nvar isOldIE = typeof navigator !== 'undefined' && /msie [6-9]\\b/.test(navigator.userAgent.toLowerCase())\n\nexport default function addStylesClient (parentId, list, _isProduction, _options) {\n  isProduction = _isProduction\n\n  options = _options || {}\n\n  var styles = listToStyles(parentId, list)\n  addStylesToDom(styles)\n\n  return function update (newList) {\n    var mayRemove = []\n    for (var i = 0; i < styles.length; i++) {\n      var item = styles[i]\n      var domStyle = stylesInDom[item.id]\n      domStyle.refs--\n      mayRemove.push(domStyle)\n    }\n    if (newList) {\n      styles = listToStyles(parentId, newList)\n      addStylesToDom(styles)\n    } else {\n      styles = []\n    }\n    for (var i = 0; i < mayRemove.length; i++) {\n      var domStyle = mayRemove[i]\n      if (domStyle.refs === 0) {\n        for (var j = 0; j < domStyle.parts.length; j++) {\n          domStyle.parts[j]()\n        }\n        delete stylesInDom[domStyle.id]\n      }\n    }\n  }\n}\n\nfunction addStylesToDom (styles /* Array<StyleObject> */) {\n  for (var i = 0; i < styles.length; i++) {\n    var item = styles[i]\n    var domStyle = stylesInDom[item.id]\n    if (domStyle) {\n      domStyle.refs++\n      for (var j = 0; j < domStyle.parts.length; j++) {\n        domStyle.parts[j](item.parts[j])\n      }\n      for (; j < item.parts.length; j++) {\n        domStyle.parts.push(addStyle(item.parts[j]))\n      }\n      if (domStyle.parts.length > item.parts.length) {\n        domStyle.parts.length = item.parts.length\n      }\n    } else {\n      var parts = []\n      for (var j = 0; j < item.parts.length; j++) {\n        parts.push(addStyle(item.parts[j]))\n      }\n      stylesInDom[item.id] = { id: item.id, refs: 1, parts: parts }\n    }\n  }\n}\n\nfunction createStyleElement () {\n  var styleElement = document.createElement('style')\n  styleElement.type = 'text/css'\n  head.appendChild(styleElement)\n  return styleElement\n}\n\nfunction addStyle (obj /* StyleObjectPart */) {\n  var update, remove\n  var styleElement = document.querySelector('style[' + ssrIdKey + '~=\"' + obj.id + '\"]')\n\n  if (styleElement) {\n    if (isProduction) {\n      // has SSR styles and in production mode.\n      // simply do nothing.\n      return noop\n    } else {\n      // has SSR styles but in dev mode.\n      // for some reason Chrome can't handle source map in server-rendered\n      // style tags - source maps in <style> only works if the style tag is\n      // created and inserted dynamically. So we remove the server rendered\n      // styles and inject new ones.\n      styleElement.parentNode.removeChild(styleElement)\n    }\n  }\n\n  if (isOldIE) {\n    // use singleton mode for IE9.\n    var styleIndex = singletonCounter++\n    styleElement = singletonElement || (singletonElement = createStyleElement())\n    update = applyToSingletonTag.bind(null, styleElement, styleIndex, false)\n    remove = applyToSingletonTag.bind(null, styleElement, styleIndex, true)\n  } else {\n    // use multi-style-tag mode in all other cases\n    styleElement = createStyleElement()\n    update = applyToTag.bind(null, styleElement)\n    remove = function () {\n      styleElement.parentNode.removeChild(styleElement)\n    }\n  }\n\n  update(obj)\n\n  return function updateStyle (newObj /* StyleObjectPart */) {\n    if (newObj) {\n      if (newObj.css === obj.css &&\n          newObj.media === obj.media &&\n          newObj.sourceMap === obj.sourceMap) {\n        return\n      }\n      update(obj = newObj)\n    } else {\n      remove()\n    }\n  }\n}\n\nvar replaceText = (function () {\n  var textStore = []\n\n  return function (index, replacement) {\n    textStore[index] = replacement\n    return textStore.filter(Boolean).join('\\n')\n  }\n})()\n\nfunction applyToSingletonTag (styleElement, index, remove, obj) {\n  var css = remove ? '' : obj.css\n\n  if (styleElement.styleSheet) {\n    styleElement.styleSheet.cssText = replaceText(index, css)\n  } else {\n    var cssNode = document.createTextNode(css)\n    var childNodes = styleElement.childNodes\n    if (childNodes[index]) styleElement.removeChild(childNodes[index])\n    if (childNodes.length) {\n      styleElement.insertBefore(cssNode, childNodes[index])\n    } else {\n      styleElement.appendChild(cssNode)\n    }\n  }\n}\n\nfunction applyToTag (styleElement, obj) {\n  var css = obj.css\n  var media = obj.media\n  var sourceMap = obj.sourceMap\n\n  if (media) {\n    styleElement.setAttribute('media', media)\n  }\n  if (options.ssrId) {\n    styleElement.setAttribute(ssrIdKey, obj.id)\n  }\n\n  if (sourceMap) {\n    // https://developer.chrome.com/devtools/docs/javascript-debugging\n    // this makes source maps inside style tags work properly in Chrome\n    css += '\\n/*# sourceURL=' + sourceMap.sources[0] + ' */'\n    // http://stackoverflow.com/a/26603875\n    css += '\\n/*# sourceMappingURL=data:application/json;base64,' + btoa(unescape(encodeURIComponent(JSON.stringify(sourceMap)))) + ' */'\n  }\n\n  if (styleElement.styleSheet) {\n    styleElement.styleSheet.cssText = css\n  } else {\n    while (styleElement.firstChild) {\n      styleElement.removeChild(styleElement.firstChild)\n    }\n    styleElement.appendChild(document.createTextNode(css))\n  }\n}\n","/*\n\tMIT License http://www.opensource.org/licenses/mit-license.php\n\tAuthor Tobias Koppers @sokra\n*/\n// css base code, injected by the css-loader\nmodule.exports = function(useSourceMap) {\n\tvar list = [];\n\n\t// return the list of modules as css string\n\tlist.toString = function toString() {\n\t\treturn this.map(function (item) {\n\t\t\tvar content = cssWithMappingToString(item, useSourceMap);\n\t\t\tif(item[2]) {\n\t\t\t\treturn \"@media \" + item[2] + \"{\" + content + \"}\";\n\t\t\t} else {\n\t\t\t\treturn content;\n\t\t\t}\n\t\t}).join(\"\");\n\t};\n\n\t// import a list of modules into the list\n\tlist.i = function(modules, mediaQuery) {\n\t\tif(typeof modules === \"string\")\n\t\t\tmodules = [[null, modules, \"\"]];\n\t\tvar alreadyImportedModules = {};\n\t\tfor(var i = 0; i < this.length; i++) {\n\t\t\tvar id = this[i][0];\n\t\t\tif(typeof id === \"number\")\n\t\t\t\talreadyImportedModules[id] = true;\n\t\t}\n\t\tfor(i = 0; i < modules.length; i++) {\n\t\t\tvar item = modules[i];\n\t\t\t// skip already imported module\n\t\t\t// this implementation is not 100% perfect for weird media query combinations\n\t\t\t//  when a module is imported multiple times with different media queries.\n\t\t\t//  I hope this will never occur (Hey this way we have smaller bundles)\n\t\t\tif(typeof item[0] !== \"number\" || !alreadyImportedModules[item[0]]) {\n\t\t\t\tif(mediaQuery && !item[2]) {\n\t\t\t\t\titem[2] = mediaQuery;\n\t\t\t\t} else if(mediaQuery) {\n\t\t\t\t\titem[2] = \"(\" + item[2] + \") and (\" + mediaQuery + \")\";\n\t\t\t\t}\n\t\t\t\tlist.push(item);\n\t\t\t}\n\t\t}\n\t};\n\treturn list;\n};\n\nfunction cssWithMappingToString(item, useSourceMap) {\n\tvar content = item[1] || '';\n\tvar cssMapping = item[3];\n\tif (!cssMapping) {\n\t\treturn content;\n\t}\n\n\tif (useSourceMap && typeof btoa === 'function') {\n\t\tvar sourceMapping = toComment(cssMapping);\n\t\tvar sourceURLs = cssMapping.sources.map(function (source) {\n\t\t\treturn '/*# sourceURL=' + cssMapping.sourceRoot + source + ' */'\n\t\t});\n\n\t\treturn [content].concat(sourceURLs).concat([sourceMapping]).join('\\n');\n\t}\n\n\treturn [content].join('\\n');\n}\n\n// Adapted from convert-source-map (MIT)\nfunction toComment(sourceMap) {\n\t// eslint-disable-next-line no-undef\n\tvar base64 = btoa(unescape(encodeURIComponent(JSON.stringify(sourceMap))));\n\tvar data = 'sourceMappingURL=data:application/json;charset=utf-8;base64,' + base64;\n\n\treturn '/*# ' + data + ' */';\n}\n","<template>\n  <span\n    class=\"NavigationItem\"\n    :class=\"classes\">\n\n    <span\n      v-if=\"showLabel\"\n      class=\"NavigationItem__label\">{{ item.name }}</span>\n\n    <router-link\n      v-if=\"showRouterLink\"\n      :to=\"item.meta.target\"\n      class=\"NavigationItem__router-link\">{{ item.name }}</router-link>\n\n    <a\n      v-if=\"showHyperLink\"\n      :href=\"item.meta.target\"\n      class=\"NavigationItem__link\">{{ item.name }}</a>\n\n    <a\n      v-if=\"showExternalHyperLink\"\n      :href=\"item.meta.target\"\n      target=\"_blank\"\n      class=\"NavigationItem__external-link\">{{ item.name }}</a>\n  </span>\n</template>\n\n<script>\nexport default {\n  data() {\n    return {\n      active: false,\n    };\n  },\n  props: {\n    item: Object,\n    required: true,\n  },\n  methods: {\n    isActive() {\n      if (this.item.meta.target === '') {\n        return false;\n      }\n\n      if (this.$route) {\n        return this.$route.path + this.$route.hash === this.item.meta.target;\n      }\n\n      return window.location.href.endsWith(this.item.meta.target);\n    },\n  },\n  computed: {\n    showLabel() {\n      return (\n        this.item.route === undefined &&\n        this.item.element === undefined &&\n        this.item.external === undefined\n      );\n    },\n    showRouterLink() {\n      return this.showLink && this.$router !== undefined;\n    },\n    showHyperLink() {\n      return this.showLink && this.$router === undefined;\n    },\n    showExternalHyperLink() {\n      return this.item.external !== undefined;\n    },\n    showLink() {\n      return this.item.route !== undefined || this.item.element !== undefined;\n    },\n    classes() {\n      return {\n        'NavigationItem--active': this.active,\n      };\n    },\n  },\n  watch: {\n    item() {\n      this.active = this.isActive();\n    },\n    $route() {\n      this.active = this.isActive();\n    },\n  },\n  mounted() {\n    this.active = this.isActive();\n\n    if (!this.$router) {\n      window.addEventListener('hashchange', () => {\n        this.active = this.isActive();\n      });\n    }\n  },\n};\n</script>\n\n<style lang=\"scss\">\n@import './NavigationItem.scss';\n</style>\n","<template>\n  <span\n    class=\"NavigationToggle\"\n    :class=\"{ 'NavigationToggle--closed': !this.open }\">\n    <span\n      class=\"NavigationToggle__icon\"\n      :class=\"{ 'NavigationToggle__icon--closed': !this.open }\"></span>\n  </span>\n</template>\n\n<script>\nexport default {\n  props: {\n    open: {\n      type: Boolean,\n      required: false,\n      default: false,\n    },\n  },\n};\n</script>\n\n<style lang=\"scss\">\n@import './NavigationToggle.scss';\n</style>\n","<template>\n  <div \n    class=\"NavigationLevel\"\n    :class=\"classes\">\n    <div class=\"NavigationLevel__parent\">\n      <NavigationToggle\n        :open=\"isOpen\"\n        @click.native=\"onToggleClick\" />\n      <NavigationItem\n        :item=\"parentItem\"\n        @click.native=\"onItemClick\" />\n    </div>\n\n    <ul class=\"NavigationLevel__children\">\n      <slot></slot>\n    </ul>\n  </div>\n</template>\n\n<script>\nimport NavigationToggle from '../NavigationToggle/NavigationToggle.vue';\nimport NavigationItem from '../NavigationItem/NavigationItem.vue';\n\nexport default {\n  data() {\n    return {\n      isOpen: this.open,\n    };\n  },\n  props: {\n    parentItem: {\n      type: Object,\n      required: true,\n    },\n    level: {\n      type: Number,\n      required: true,\n    },\n    open: {\n      type: Boolean,\n      required: false,\n      default: false,\n    },\n  },\n  computed: {\n    classes() {\n      return {\n        'NavigationLevel--closed': !this.isOpen,\n        [`NavigationLevel--level-${this.level}`]: true,\n      };\n    },\n  },\n  methods: {\n    onToggleClick() {\n      this.isOpen = !this.isOpen;\n    },\n    onItemClick() {\n      if (this.isOpen === false) {\n        this.isOpen = true;\n      }\n    },\n  },\n  components: {\n    NavigationItem,\n    NavigationToggle,\n  },\n};\n</script>\n\n<style lang=\"scss\">\n@import './NavigationLevel.scss';\n</style>\n","var render = function () {var _vm=this;var _h=_vm.$createElement;var _c=_vm._self._c||_h;return _c('div',{staticClass:\"NavigationLevel\",class:_vm.classes},[_c('div',{staticClass:\"NavigationLevel__parent\"},[_c('NavigationToggle',{attrs:{\"open\":_vm.isOpen},nativeOn:{\"click\":function($event){return _vm.onToggleClick($event)}}}),_vm._v(\" \"),_c('NavigationItem',{attrs:{\"item\":_vm.parentItem},nativeOn:{\"click\":function($event){return _vm.onItemClick($event)}}})],1),_vm._v(\" \"),_c('ul',{staticClass:\"NavigationLevel__children\"},[_vm._t(\"default\")],2)])}\nvar staticRenderFns = []\nexport { render, staticRenderFns }","var render = function () {var _vm=this;var _h=_vm.$createElement;var _c=_vm._self._c||_h;return _c('span',{staticClass:\"NavigationItem\",class:_vm.classes},[(_vm.showLabel)?_c('span',{staticClass:\"NavigationItem__label\"},[_vm._v(_vm._s(_vm.item.name))]):_vm._e(),_vm._v(\" \"),(_vm.showRouterLink)?_c('router-link',{staticClass:\"NavigationItem__router-link\",attrs:{\"to\":_vm.item.meta.target}},[_vm._v(_vm._s(_vm.item.name))]):_vm._e(),_vm._v(\" \"),(_vm.showHyperLink)?_c('a',{staticClass:\"NavigationItem__link\",attrs:{\"href\":_vm.item.meta.target}},[_vm._v(_vm._s(_vm.item.name))]):_vm._e(),_vm._v(\" \"),(_vm.showExternalHyperLink)?_c('a',{staticClass:\"NavigationItem__external-link\",attrs:{\"href\":_vm.item.meta.target,\"target\":\"_blank\"}},[_vm._v(_vm._s(_vm.item.name))]):_vm._e()],1)}\nvar staticRenderFns = []\nexport { render, staticRenderFns }","var render = function () {var _vm=this;var _h=_vm.$createElement;var _c=_vm._self._c||_h;return _c('span',{staticClass:\"NavigationToggle\",class:{ 'NavigationToggle--closed': !this.open }},[_c('span',{staticClass:\"NavigationToggle__icon\",class:{ 'NavigationToggle__icon--closed': !this.open }})])}\nvar staticRenderFns = []\nexport { render, staticRenderFns }","function injectStyle (context) {\n  require(\"!!vue-style-loader!css-loader!../../../node_modules/vue-loader/lib/style-compiler/index?{\\\"optionsId\\\":\\\"0\\\",\\\"vue\\\":true,\\\"scoped\\\":false,\\\"sourceMap\\\":false}!sass-loader!../../../node_modules/vue-loader/lib/selector?type=styles&index=0!./NavigationItem.vue\")\n}\n/* script */\nexport * from \"!!babel-loader!../../../node_modules/vue-loader/lib/selector?type=script&index=0!./NavigationItem.vue\"\nimport __vue_script__ from \"!!babel-loader!../../../node_modules/vue-loader/lib/selector?type=script&index=0!./NavigationItem.vue\"\n/* template */\nimport {render as __vue_render__, staticRenderFns as __vue_static_render_fns__} from \"!!../../../node_modules/vue-loader/lib/template-compiler/index?{\\\"id\\\":\\\"data-v-7412a8ac\\\",\\\"hasScoped\\\":false,\\\"optionsId\\\":\\\"0\\\",\\\"buble\\\":{\\\"transforms\\\":{}}}!../../../node_modules/vue-loader/lib/selector?type=template&index=0!./NavigationItem.vue\"\n/* template functional */\nvar __vue_template_functional__ = false\n/* styles */\nvar __vue_styles__ = injectStyle\n/* scopeId */\nvar __vue_scopeId__ = null\n/* moduleIdentifier (server only) */\nvar __vue_module_identifier__ = null\nimport normalizeComponent from \"!../../../node_modules/vue-loader/lib/runtime/component-normalizer\"\nvar Component = normalizeComponent(\n  __vue_script__,\n  __vue_render__,\n  __vue_static_render_fns__,\n  __vue_template_functional__,\n  __vue_styles__,\n  __vue_scopeId__,\n  __vue_module_identifier__\n)\n\nexport default Component.exports\n","exports = module.exports = require(\"../../../node_modules/css-loader/lib/css-base.js\")(false);\n// imports\n\n\n// module\nexports.push([module.id, \".TreeNavigation{display:inline-block;padding:0;margin:0}.TreeNavigation ul{padding:0;margin:0;list-style-type:none}.TreeNavigation li{padding-left:20px}\", \"\"]);\n\n// exports\n","// style-loader: Adds some css to the DOM by adding a <style> tag\n\n// load the styles\nvar content = require(\"!!../../../node_modules/css-loader/index.js!../../../node_modules/sass-loader/lib/loader.js!./TreeNavigation.scss\");\nif(typeof content === 'string') content = [[module.id, content, '']];\nif(content.locals) module.exports = content.locals;\n// add the styles to the DOM\nvar add = require(\"!../../../node_modules/vue-style-loader/lib/addStylesClient.js\").default\nvar update = add(\"0965e660\", content, true, {});","/**\n * Remove a domain and router's `/#` from URL.\n */\nexport const getRelativeUrl = (url, origin) => {\n  let relativeUrl = url.replace('/#/', '/');\n\n  if (origin[origin.length - 1] === '/') {\n    origin = origin.slice(0, -1);\n  }\n  relativeUrl = relativeUrl.replace(origin, '');\n\n  return sanitizeRoute(relativeUrl);\n};\n\n/**\n * Remove an element appended to the end of a path.\n */\nexport const removeElementFromPath = path => {\n  let hashPos;\n\n  while (hashPos !== -1) {\n    hashPos = path.lastIndexOf('#');\n\n    if (hashPos === -1) {\n      return path;\n    }\n\n    // do not cut of router url\n    if (hashPos === path.indexOf('#/')) {\n      return path;\n    }\n\n    path = path.slice(0, hashPos);\n  }\n};\n\n/**\n * First character should be #.\n */\nexport const sanitizeElement = element => {\n  if (element === undefined || element === '') {\n    return element;\n  }\n\n  if (element[0] !== '#') {\n    element = '#' + element;\n  }\n\n  return element;\n};\n\n/**\n * First character should be backslash.\n * Last character shouldn't be backslash.\n */\nexport const sanitizeRoute = route => {\n  if (route === undefined) {\n    return;\n  }\n\n  if (route[0] !== '/') {\n    route = '/' + route;\n  }\n\n  if (route[route.length - 1] === '/') {\n    route = route.slice(0, -1);\n  }\n\n  return route;\n};\n\n/**\n * Check if a parent URL starts with another URL.\n * Ignore elements.\n */\nexport const startsWithUrl = (parentUrl, url) => {\n  if (!url.startsWith('/#')) {\n    url = removeElementFromPath(url);\n  }\n\n  if (parentUrl.startsWith(url)) {\n    return true;\n  }\n\n  return false;\n};\n","exports = module.exports = require(\"../../../node_modules/css-loader/lib/css-base.js\")(false);\n// imports\n\n\n// module\nexports.push([module.id, \".NavigationItem{display:inline-block;padding-top:5px;padding-bottom:5px}.NavigationItem span{cursor:pointer}\", \"\"]);\n\n// exports\n","// style-loader: Adds some css to the DOM by adding a <style> tag\n\n// load the styles\nvar content = require(\"!!../../../node_modules/css-loader/index.js!../../../node_modules/vue-loader/lib/style-compiler/index.js?{\\\"optionsId\\\":\\\"0\\\",\\\"vue\\\":true,\\\"scoped\\\":false,\\\"sourceMap\\\":false}!../../../node_modules/sass-loader/lib/loader.js!../../../node_modules/vue-loader/lib/selector.js?type=styles&index=0!./NavigationItem.vue\");\nif(typeof content === 'string') content = [[module.id, content, '']];\nif(content.locals) module.exports = content.locals;\n// add the styles to the DOM\nvar add = require(\"!../../../node_modules/vue-style-loader/lib/addStylesClient.js\").default\nvar update = add(\"14573478\", content, true, {});","exports = module.exports = require(\"../../../node_modules/css-loader/lib/css-base.js\")(false);\n// imports\n\n\n// module\nexports.push([module.id, \".NavigationToggle{position:relative;top:-3px;padding:5px 5px 5px 3px;cursor:pointer}.NavigationToggle__icon{display:inline-block;padding:3px;border:solid #000;border-width:0 2px 2px 0;transform:rotate(45deg)}.NavigationToggle__icon--closed{transform:rotate(-45deg)}\", \"\"]);\n\n// exports\n","// style-loader: Adds some css to the DOM by adding a <style> tag\n\n// load the styles\nvar content = require(\"!!../../../node_modules/css-loader/index.js!../../../node_modules/vue-loader/lib/style-compiler/index.js?{\\\"optionsId\\\":\\\"0\\\",\\\"vue\\\":true,\\\"scoped\\\":false,\\\"sourceMap\\\":false}!../../../node_modules/sass-loader/lib/loader.js!../../../node_modules/vue-loader/lib/selector.js?type=styles&index=0!./NavigationToggle.vue\");\nif(typeof content === 'string') content = [[module.id, content, '']];\nif(content.locals) module.exports = content.locals;\n// add the styles to the DOM\nvar add = require(\"!../../../node_modules/vue-style-loader/lib/addStylesClient.js\").default\nvar update = add(\"13a093fa\", content, true, {});","function injectStyle (context) {\n  require(\"!!vue-style-loader!css-loader!../../../node_modules/vue-loader/lib/style-compiler/index?{\\\"optionsId\\\":\\\"0\\\",\\\"vue\\\":true,\\\"scoped\\\":false,\\\"sourceMap\\\":false}!sass-loader!../../../node_modules/vue-loader/lib/selector?type=styles&index=0!./NavigationToggle.vue\")\n}\n/* script */\nexport * from \"!!babel-loader!../../../node_modules/vue-loader/lib/selector?type=script&index=0!./NavigationToggle.vue\"\nimport __vue_script__ from \"!!babel-loader!../../../node_modules/vue-loader/lib/selector?type=script&index=0!./NavigationToggle.vue\"\n/* template */\nimport {render as __vue_render__, staticRenderFns as __vue_static_render_fns__} from \"!!../../../node_modules/vue-loader/lib/template-compiler/index?{\\\"id\\\":\\\"data-v-3b0d27b8\\\",\\\"hasScoped\\\":false,\\\"optionsId\\\":\\\"0\\\",\\\"buble\\\":{\\\"transforms\\\":{}}}!../../../node_modules/vue-loader/lib/selector?type=template&index=0!./NavigationToggle.vue\"\n/* template functional */\nvar __vue_template_functional__ = false\n/* styles */\nvar __vue_styles__ = injectStyle\n/* scopeId */\nvar __vue_scopeId__ = null\n/* moduleIdentifier (server only) */\nvar __vue_module_identifier__ = null\nimport normalizeComponent from \"!../../../node_modules/vue-loader/lib/runtime/component-normalizer\"\nvar Component = normalizeComponent(\n  __vue_script__,\n  __vue_render__,\n  __vue_static_render_fns__,\n  __vue_template_functional__,\n  __vue_styles__,\n  __vue_scopeId__,\n  __vue_module_identifier__\n)\n\nexport default Component.exports\n","exports = module.exports = require(\"../../../node_modules/css-loader/lib/css-base.js\")(false);\n// imports\n\n\n// module\nexports.push([module.id, \".NavigationLevel--closed ul{display:none}\", \"\"]);\n\n// exports\n","// style-loader: Adds some css to the DOM by adding a <style> tag\n\n// load the styles\nvar content = require(\"!!../../../node_modules/css-loader/index.js!../../../node_modules/vue-loader/lib/style-compiler/index.js?{\\\"optionsId\\\":\\\"0\\\",\\\"vue\\\":true,\\\"scoped\\\":false,\\\"sourceMap\\\":false}!../../../node_modules/sass-loader/lib/loader.js!../../../node_modules/vue-loader/lib/selector.js?type=styles&index=0!./NavigationLevel.vue\");\nif(typeof content === 'string') content = [[module.id, content, '']];\nif(content.locals) module.exports = content.locals;\n// add the styles to the DOM\nvar add = require(\"!../../../node_modules/vue-style-loader/lib/addStylesClient.js\").default\nvar update = add(\"486a06cd\", content, true, {});","function injectStyle (context) {\n  require(\"!!vue-style-loader!css-loader!../../../node_modules/vue-loader/lib/style-compiler/index?{\\\"optionsId\\\":\\\"0\\\",\\\"vue\\\":true,\\\"scoped\\\":false,\\\"sourceMap\\\":false}!sass-loader!../../../node_modules/vue-loader/lib/selector?type=styles&index=0!./NavigationLevel.vue\")\n}\n/* script */\nexport * from \"!!babel-loader!../../../node_modules/vue-loader/lib/selector?type=script&index=0!./NavigationLevel.vue\"\nimport __vue_script__ from \"!!babel-loader!../../../node_modules/vue-loader/lib/selector?type=script&index=0!./NavigationLevel.vue\"\n/* template */\nimport {render as __vue_render__, staticRenderFns as __vue_static_render_fns__} from \"!!../../../node_modules/vue-loader/lib/template-compiler/index?{\\\"id\\\":\\\"data-v-2056d94a\\\",\\\"hasScoped\\\":false,\\\"optionsId\\\":\\\"0\\\",\\\"buble\\\":{\\\"transforms\\\":{}}}!../../../node_modules/vue-loader/lib/selector?type=template&index=0!./NavigationLevel.vue\"\n/* template functional */\nvar __vue_template_functional__ = false\n/* styles */\nvar __vue_styles__ = injectStyle\n/* scopeId */\nvar __vue_scopeId__ = null\n/* moduleIdentifier (server only) */\nvar __vue_module_identifier__ = null\nimport normalizeComponent from \"!../../../node_modules/vue-loader/lib/runtime/component-normalizer\"\nvar Component = normalizeComponent(\n  __vue_script__,\n  __vue_render__,\n  __vue_static_render_fns__,\n  __vue_template_functional__,\n  __vue_styles__,\n  __vue_scopeId__,\n  __vue_module_identifier__\n)\n\nexport default Component.exports\n","import NavigationLevel from '../NavigationLevel/NavigationLevel.vue';\nimport NavigationItem from '../NavigationItem/NavigationItem.vue';\n\nimport {\n  getRelativeUrl,\n  sanitizeElement,\n  sanitizeRoute,\n  startsWithUrl,\n} from '../utils';\n\n/**\n * Recursive function.\n * One call generates one level of the tree.\n */\nexport const generateLevel = (\n  createElement,\n  items,\n  level,\n  defaultOpenLevel\n) => {\n  const children = [];\n\n  items.forEach(item => {\n    if (item.hasOwnProperty('children')) {\n      const navLevel = createElement(\n        NavigationLevel,\n        {\n          props: {\n            parentItem: item,\n            level,\n            open: renderLevelAsOpen(item, level, defaultOpenLevel),\n          },\n        },\n        [\n          ...generateLevel(\n            createElement,\n            item.children,\n            level + 1,\n            defaultOpenLevel\n          ),\n        ]\n      );\n\n      children.push(createElement('li', [navLevel]));\n    } else {\n      const navItem = createElement(NavigationItem, {\n        props: {\n          item,\n        },\n      });\n\n      children.push(createElement('li', [navItem]));\n    }\n  });\n\n  return children;\n};\n\n/**\n * Level should be opened in following cases\n * - level is less than or equal to default open level\n * - its URL is a part of an active URL\n * - it contains a child which URL is a part of an active URL\n */\nexport const renderLevelAsOpen = (parentItem, level, defaultOpenLevel) => {\n  if (defaultOpenLevel >= level) {\n    return true;\n  }\n\n  const currentUrl = getRelativeUrl(\n    window.location.href,\n    window.location.origin\n  );\n\n  if (\n    parentItem.meta.target !== '' &&\n    startsWithUrl(currentUrl, parentItem.meta.target) === true\n  ) {\n    return true;\n  }\n\n  for (let i = 0; i < parentItem.children.length; i++) {\n    let child = parentItem.children[i];\n\n    if (\n      child.meta.target !== '' &&\n      startsWithUrl(currentUrl, child.meta.target) === true\n    ) {\n      return true;\n    }\n  }\n\n  return false;\n};\n\n/**\n * Recursive function.\n * Insert metadata containing the navigation path and its type to each item.\n **/\nexport const insertMetadataToItems = (items, parent) => {\n  items.forEach(item => {\n    item.meta = getItemMetadata(item, parent);\n\n    if (item.hasOwnProperty('children')) {\n      item.children = insertMetadataToItems(item.children, item);\n    }\n  });\n\n  return items;\n};\n\n/**\n * Return item metadata object: { path: ..., target: ... }\n */\nexport const getItemMetadata = (item, parent) => {\n  const element = sanitizeElement(item.element);\n  const route = sanitizeRoute(item.route);\n  const external = item.external;\n\n  // item is its own parent\n  if (parent === undefined) {\n    if (\n      element === undefined &&\n      route === undefined &&\n      external === undefined\n    ) {\n      return {\n        path: '',\n        target: '',\n      };\n    }\n\n    if (external !== undefined) {\n      return {\n        path: '',\n        target: external,\n      };\n    }\n\n    if (route !== undefined) {\n      return {\n        path: route,\n        target: route,\n      };\n    }\n\n    if (element !== undefined) {\n      return {\n        path: '',\n        target: '/' + element,\n      };\n    }\n  }\n\n  const parentPath = sanitizeRoute(parent.meta.path);\n\n  if (external !== undefined) {\n    return {\n      path: parentPath,\n      target: external,\n    };\n  }\n\n  if (route !== undefined) {\n    return {\n      path: parentPath + route,\n      target: parentPath + route,\n    };\n  }\n\n  if (element !== undefined) {\n    return {\n      path: parentPath,\n      target: sanitizeRoute(parentPath + element),\n    };\n  }\n\n  return {\n    path: parentPath,\n    target: '',\n  };\n};\n","import { insertMetadataToItems, generateLevel } from './core';\n\nimport './TreeNavigation.scss';\n\nconst TreeNavigation = {\n  props: {\n    items: {\n      type: Array,\n      required: true,\n    },\n    defaultOpenLevel: {\n      type: Number,\n      default: 0,\n    },\n  },\n\n  computed: {\n    itemsWithMetadata() {\n      const self = this;\n\n      const items = JSON.parse(JSON.stringify(self.items));\n      return insertMetadataToItems(items);\n    },\n  },\n\n  render(createElement) {\n    const self = this;\n\n    const level = 1;\n    const tree = createElement(\n      'ul',\n      generateLevel(\n        createElement,\n        self.itemsWithMetadata,\n        level,\n        self.defaultOpenLevel\n      )\n    );\n\n    const level0 = createElement(\n      'div',\n      {\n        class: ['NavigationLevel', 'NavigationLevel--level-0'],\n      },\n      [tree]\n    );\n\n    const treeNavigation = createElement(\n      'div',\n      {\n        class: 'TreeNavigation',\n      },\n      [level0]\n    );\n\n    return treeNavigation;\n  },\n};\n\nexport default TreeNavigation;\n","import TreeNavigation from './components/TreeNavigation/TreeNavigation';\n\nmodule.exports = {\n  install: function(Vue, options) {\n    Vue.component('vue-tree-navigation', TreeNavigation);\n  },\n};\n"],"sourceRoot":""}
\ No newline at end of file
diff --git a/package.json b/package.json
index 0ade9d0..ff07e4c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "vue-tree-navigation",
-  "version": "2.1.2",
+  "version": "3.0.0",
   "description": "Vue.js 2 tree navigation",
   "keywords": [
     "tree",
@@ -8,7 +8,8 @@
     "vue",
     "vuejs",
     "component",
-    "plugin"
+    "plugin",
+    "menu"
   ],
   "homepage": "https://github.com/MisRob/vue-tree-navigation",
   "bugs": "https://github.com/MisRob/vue-tree-navigation/issues",