Added global search input debounce and loading indicator

resources/js/components/global-search.js

@@ -1,8 +1,9 @@
+import {htmlToDom} from "../services/dom";
+import {debounce} from "../services/util";
+
 /**
  * @extends {Component}
  */
-import {htmlToDom} from "../services/dom";
-
 class GlobalSearch {
 
     setup() {
@@ -10,23 +11,43 @@ class GlobalSearch {
         this.input = this.$refs.input;
         this.suggestions = this.$refs.suggestions;
         this.suggestionResultsWrap = this.$refs.suggestionResults;
+        this.loadingWrap = this.$refs.loading;
 
         this.setupListeners();
     }
 
     setupListeners() {
+        const updateSuggestionsDebounced = debounce(this.updateSuggestions.bind(this), 200, false);
+
+        // Handle search input changes
         this.input.addEventListener('input', () => {
             const value = this.input.value;
             if (value.length > 0) {
-                this.updateSuggestions(value);
+                this.loadingWrap.style.display = 'block';
+                this.suggestionResultsWrap.style.opacity = '0.5';
+                updateSuggestionsDebounced(value);
             }  else {
                 this.hideSuggestions();
             }
         });
+
+        // Allow double click to show auto-click suggestions
+        this.input.addEventListener('dblclick', () => {
+            this.input.setAttribute('autocomplete', 'on');
+            this.input.blur();
+            this.input.focus();
+        })
     }
 
+    /**
+     * @param {String} search
+     */
     async updateSuggestions(search) {
         const {data: results} = await window.$http.get('/ajax/search/entities', {term: search, count: 5});
+        if (!this.input.value) {
+            return;
+        }
+        
         const resultDom = htmlToDom(results);
 
         const childrenToTrim = Array.from(resultDom.children).slice(9);
@@ -35,6 +56,8 @@ class GlobalSearch {
         }
 
         this.suggestionResultsWrap.innerHTML = '';
+        this.suggestionResultsWrap.style.opacity = '1';
+        this.loadingWrap.style.display = 'none';
         this.suggestionResultsWrap.append(resultDom);
         if (!this.container.classList.contains('search-active')) {
             this.showSuggestions();

resources/js/services/util.js

@@ -6,9 +6,9 @@
  * N milliseconds. If `immediate` is passed, trigger the function on the
  * leading edge, instead of the trailing.
  * @attribution https://davidwalsh.name/javascript-debounce-function
- * @param func
- * @param wait
- * @param immediate
+ * @param {Function} func
+ * @param {Number} wait
+ * @param {Boolean} immediate
  * @returns {Function}
  */
 export function debounce(func, wait, immediate) {

resources/sass/_header.scss

@@ -131,7 +131,7 @@ header .search-box {
     right: 16px;
   }
   svg {
-    margin-block-end: 0;
+    margin-inline-end: 0;
   }
 }
 
@@ -163,18 +163,24 @@ header .search-box {
     -webkit-line-clamp: 2;
     overflow: hidden;
   }
+  .global-search-loading {
+    position: absolute;
+    width: 100%;
   }
-.search-active:focus-within .global-search-suggestions {
+}
+header .search-box.search-active:focus-within {
+  .global-search-suggestions {
     display: block;
   }
-header .search-box.search-active input {
+  input {
     background-color: #EEE;
     color: #444;
     border-color: #DDD;
   }
-header .search-box.search-active #header-search-box-button {
+  #header-search-box-button {
     color: #444;
   }
+}
 
 .logo {
   display: inline-flex;

resources/views/common/header.blade.php

@@ -30,6 +30,7 @@
                        aria-label="{{ trans('common.search') }}" placeholder="{{ trans('common.search') }}"
                        value="{{ $searchTerm ?? '' }}">
                 <div refs="global-search@suggestions" class="global-search-suggestions card">
+                    <div refs="global-search@loading" class="text-center px-m global-search-loading">@include('common.loading-icon')</div>
                     <div refs="global-search@suggestion-results" class="px-m"></div>
                     <button class="text-button card-footer-link" type="submit">{{ trans('common.view_all') }}</button>
                 </div>