fix: remove word boundary for whitespace

src/.vuepress/components/SearchResultEmpty.vue

@@ -7,7 +7,7 @@
       elevation="2"
       >
       <!-- TODO: provide translation -->
-      <span v-if="validQuery">Please enter a valid search term.</span>
+      <span v-if="invalid">Please enter a valid search term.</span>
       <span v-else>No search results found for <code>{{ query }}</code></span>
     </v-alert>
   </div>
@@ -22,8 +22,8 @@ export default {
     },
   },
   computed: {
-    validQuery() {
-      return !this.query.match(/\b\s*\b/);
+    invalid() {
+      return this.query.match(/^\s*$/);
     },
   },
 };

src/.vuepress/components/SearchResultList.vue

@@ -4,10 +4,10 @@
       v-if="items.length > 0"
       subheader
       two-line
-    >
+      >
       <v-list-item v-for="item in items" :key="item.item" class="pl-0">
         <v-list-item-content>
-          <a :href="getItemUrl(item)" target="_blank">
+          <a :href="getItemUrl(item)">
             <v-list-item-title>{{ item.label }}</v-list-item-title>
 
             <v-list-item-subtitle class="d-flex">