Better naming for subnav items

source/_patterns/02-organisms/00-global/subnav.mustache

 <div class="__js-root" data-app="Subnav">
   <ui-subnav inline-template>
-    <ui-subnav-view-provider :initial="{regions: false, calendar: false}" v-slot="{ showView, toggleView }">
+    <ui-subnav-view-provider :initial="{regions: false, calendar: false}" v-slot="{ isCurrentView, toggleView }">
       <nav class="subnav">
         <div class="container container--wide">
           <div class="flex">
             <button
               @click="toggleView('regions')"
               class="btn btn--condensed btn--grey-500 btn--overlay btn--overlay-white text-sm mr-2"
-              :class="{'btn--overlay-active': showView('regions')}"
+              :class="{'btn--overlay-active': isCurrentView('regions')}"
             >
               <div class="btn__body">
                 <span>Pardubický kraj</span>
@@ -18,7 +18,7 @@
             <button
               @click="toggleView('calendar')"
               class="btn btn--inline-icon btn--condensed btn--overlay btn--grey-500 btn--overlay-red-100 text-sm"
-              :class="{'btn--overlay-active': showView('calendar')}"
+              :class="{'btn--overlay-active': isCurrentView('calendar')}"
             >
               <div class="btn__body">
                 <i class="btn__inline-icon fas fa-calendar-alt mr-0 md:mr-2"></i>
@@ -43,11 +43,11 @@
         </div>
       </nav>
       <aside class="subnav-aside">
-        <div class="subnav-aside__item" :class="{'subnav-aside__item--visible': showView('regions')}">
+        <div class="subnav-aside__item" :class="{'subnav-aside__item--visible': isCurrentView('regions')}">
           <a @click="toggleView('regions')" class="subnav-aside__close"><i class="fas fa-times"></i></a>
           <ui-region-map class="container container--default" />
         </div>
-        <div class="subnav-aside__item" :class="{'subnav-aside__item--visible': showView('calendar')}">
+        <div class="subnav-aside__item" :class="{'subnav-aside__item--visible': isCurrentView('calendar')}">
           <a @click="toggleView('calendar')" class="subnav-aside__close"><i class="fas fa-times"></i></a>
           <div class="container container--default">
             {{> molecules-calendar }}

source/js/apps/subnav/SubnavViewProvider.vue

 <template>
   <div>
-    <slot v-bind:views="views" v-bind:showView="showView" v-bind:toggleView="toggleView"></slot>
+    <slot v-bind:views="views" v-bind:isCurrentView="isCurrentView" v-bind:toggleView="toggleView"></slot>
   </div>
 </template>
 
@@ -33,9 +33,9 @@ export default {
         }
       });
 
-      this.setView(viewId, !this.showView(viewId));
+      this.setView(viewId, !this.isCurrentView(viewId));
     },
-    showView(viewId) {
+    isCurrentView(viewId) {
       return this.$data.views[viewId];
     },
     hideAllViews() {