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) {