[ACS-9374][ACS-9590] Prevent search popup flicker on Enter key press and infinite loading animation (#4683)

* [ACS-9374] Prevent search popup flicker on Enter key press

* feat: WIP - fixing search input errors for draft PR

* Add test for mat-error on empty search term and handle loading state properly

* Add test for mat-error on empty search term and handle loading state properly

* Add whitespace error and fix unit test for checkbox

* Fix sonarcloud issue for exception

* [ACS-9374] Add validator to aca-shared

* [ACS-9374] Simplify HTML by handling error state in TypeScript

* [ACS-9374] Fix error validation process

* [ACS-9374] Fix sonarcloud issue

* [ACS-9374] Prevent library search with search term less than 2 characters

* [ACS-9374] Show validation error on checking and unchecking checkbox

* [ACS-9374] Provide default value to hasLibrariesConstraint

* [ACS-9374] Close dropdown on search submission

projects/aca-shared/src/lib/validators/no-whitespace.validator.spec.ts

@@ -0,0 +1,50 @@
+/*!
+ * Copyright © 2005-2025 Hyland Software, Inc. and its affiliates. All rights reserved.
+ *
+ * Alfresco Example Content Application
+ *
+ * This file is part of the Alfresco Example Content Application.
+ * If the software was purchased under a paid Alfresco license, the terms of
+ * the paid license agreement will prevail. Otherwise, the software is
+ * provided under the following open source license terms:
+ *
+ * The Alfresco Example Content Application is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * The Alfresco Example Content Application is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * from Hyland Software. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+import { FormControl } from '@angular/forms';
+import { noWhitespaceValidator } from './no-whitespace.validator';
+
+describe('noWhitespaceValidator', () => {
+  const validatorFn = noWhitespaceValidator();
+
+  it('should return null for valid non-whitespace input', () => {
+    const control = new FormControl('valid input');
+    expect(validatorFn(control)).toBeNull();
+  });
+
+  it('should return error for input with only spaces', () => {
+    const control = new FormControl('    ');
+    expect(validatorFn(control)).toEqual({ whitespace: true });
+  });
+
+  it('should return error for empty string', () => {
+    const control = new FormControl('');
+    expect(validatorFn(control)).toBeNull();
+  });
+
+  it('should return null for input with leading and trailing spaces but valid content inside', () => {
+    const control = new FormControl('   valid   ');
+    expect(validatorFn(control)).toBeNull();
+  });
+});

projects/aca-shared/src/lib/validators/no-whitespace.validator.ts

@@ -0,0 +1,37 @@
+/*!
+ * Copyright © 2005-2025 Hyland Software, Inc. and its affiliates. All rights reserved.
+ *
+ * Alfresco Example Content Application
+ *
+ * This file is part of the Alfresco Example Content Application.
+ * If the software was purchased under a paid Alfresco license, the terms of
+ * the paid license agreement will prevail. Otherwise, the software is
+ * provided under the following open source license terms:
+ *
+ * The Alfresco Example Content Application is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * The Alfresco Example Content Application is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * from Hyland Software. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+import { AbstractControl, ValidationErrors, ValidatorFn } from '@angular/forms';
+
+export const noWhitespaceValidator = (): ValidatorFn => {
+  return (control: AbstractControl): ValidationErrors | null => {
+    const rawValue = control.value;
+    if (!rawValue) {
+      return null;
+    }
+
+    const trimmedValue = rawValue.toString().trim();
+    return trimmedValue.length === 0 ? { whitespace: true } : null;
+  };
+};

projects/aca-shared/src/public-api.ts

@@ -40,6 +40,7 @@ export * from './lib/components/document-base-page/document-base-page.component'
 export * from './lib/components/document-base-page/document-base-page.service';
 export * from './lib/components/open-in-app/open-in-app.component';
 export * from './lib/constants';
+
 export * from './lib/directives/contextmenu/contextmenu.directive';
 export * from './lib/directives/pagination.directive';
 
@@ -60,5 +61,8 @@ export * from './lib/services/app-settings.service';
 export * from './lib/services/user-profile.service';
 export * from './lib/services/navigation-history.service';
 
-export * from './lib/utils/node.utils';
 export * from './lib/testing/lib-testing-module';
+
+export * from './lib/utils/node.utils';
+
+export * from './lib/validators/no-whitespace.validator';