Split index.js to separate files (#17315)

* split `index.js` to separate files

* tune clipboard

* fix promise

* fix document

* remove intermediate empty file

* fix async event listener

* use `export function` instead of `export {}`, add more comments

Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: 6543 <6543@obermui.de>

web_src/js/features/comp/SearchUserBox.js

@@ -0,0 +1,36 @@
+import {htmlEscape} from 'escape-goat';
+
+const {AppSubUrl} = window.config;
+
+export function initSearchUserBox() {
+  const $searchUserBox = $('#search-user-box');
+  $searchUserBox.search({
+    minCharacters: 2,
+    apiSettings: {
+      url: `${AppSubUrl}/api/v1/users/search?q={query}`,
+      onResponse(response) {
+        const items = [];
+        const searchQueryUppercase = $searchUserBox.find('input').val().toUpperCase();
+        $.each(response.data, (_i, item) => {
+          let title = item.login;
+          if (item.full_name && item.full_name.length > 0) {
+            title += ` (${htmlEscape(item.full_name)})`;
+          }
+          const resultItem = {
+            title,
+            image: item.avatar_url
+          };
+          if (searchQueryUppercase === item.login.toUpperCase()) {
+            items.unshift(resultItem);
+          } else {
+            items.push(resultItem);
+          }
+        });
+
+        return {results: items};
+      }
+    },
+    searchFields: ['login', 'full_name'],
+    showNoResults: false
+  });
+}