chore: add migration for active zone parent

projects/cdk/schematics/ng-update/v4/steps/migrate-templates.ts

@@ -31,6 +31,7 @@ import {
     TAGS_TO_REPLACE,
 } from './constants';
 import {
+    migrateActiveZoneParent,
     migrateAvatar,
     migrateAxes,
     migrateBadge,
@@ -121,6 +122,7 @@ export function migrateTemplates(fileSystem: DevkitFileSystem, options: TuiSchem
         migrateNumberPrecision,
         migrateNotification,
         migrateFilterPipe,
+        migrateActiveZoneParent,
     ] as const;
 
     const progressLog = setupProgressLogger({

projects/cdk/schematics/ng-update/v4/steps/templates/index.ts

@@ -1,3 +1,4 @@
+export * from './migrate-active-zone';
 export * from './migrate-avatar';
 export * from './migrate-axes';
 export * from './migrate-badge';

projects/cdk/schematics/ng-update/v4/steps/templates/migrate-active-zone.ts

@@ -0,0 +1,58 @@
+import type {UpdateRecorder} from '@angular-devkit/schematics';
+import type {DevkitFileSystem} from 'ng-morph';
+
+import {
+    findElementsByFn,
+    findElementsByTagName,
+    hasElementAttribute,
+} from '../../../../utils/templates/elements';
+import {findAttr} from '../../../../utils/templates/inputs';
+import {
+    getTemplateFromTemplateResource,
+    getTemplateOffset,
+} from '../../../../utils/templates/template-resource';
+import type {TemplateResource} from '../../../interfaces';
+import {removeAttrs} from '../utils/remove-attrs';
+
+export function migrateActiveZoneParent({
+    resource,
+    recorder,
+    fileSystem,
+}: {
+    fileSystem: DevkitFileSystem;
+    recorder: UpdateRecorder;
+    resource: TemplateResource;
+}): void {
+    const template = getTemplateFromTemplateResource(resource, fileSystem);
+    const templateOffset = getTemplateOffset(resource);
+
+    const elements = findElementsByTagName(template, 'ng-template');
+
+    elements.forEach(({attrs, sourceCodeLocation, childNodes}) => {
+        const zoneAttr = findAttr(attrs, 'let-activeZone');
+
+        if (!sourceCodeLocation) {
+            return;
+        }
+
+        if (zoneAttr) {
+            removeAttrs([zoneAttr], sourceCodeLocation, recorder, templateOffset);
+        }
+
+        const children = findElementsByFn(childNodes, (el) =>
+            hasElementAttribute(el, 'tuiActiveZoneParent'),
+        );
+
+        children.forEach(({attrs, sourceCodeLocation}) => {
+            const parentAttr = findAttr(attrs, 'tuiActiveZoneParent');
+
+            if (!parentAttr || !sourceCodeLocation) {
+                return;
+            }
+
+            if (parentAttr) {
+                removeAttrs([parentAttr], sourceCodeLocation, recorder, templateOffset);
+            }
+        });
+    });
+}

projects/cdk/schematics/ng-update/v4/tests/schematic-migrate-active-zone.spec.ts

@@ -0,0 +1,132 @@
+import {join} from 'node:path';
+
+import {HostTree} from '@angular-devkit/schematics';
+import {SchematicTestRunner, UnitTestTree} from '@angular-devkit/schematics/testing';
+import type {TuiSchema} from '@taiga-ui/cdk/schematics/ng-add/schema';
+import {
+    createProject,
+    createSourceFile,
+    resetActiveProject,
+    saveActiveProject,
+    setActiveProject,
+} from 'ng-morph';
+
+import {createAngularJson} from '../../../utils/create-angular-json';
+
+const collectionPath = join(__dirname, '../../../migration.json');
+
+const COMPONENT_BEFORE = `
+@Component({
+    standalone: true,
+    templateUrl: './test.template.html',
+})
+export class Test {
+}`;
+
+const TEMPLATE_BEFORE = `
+<tui-hosted-dropdown
+    tuiDropdownLimitWidth="fixed"
+    [content]="dropdown"
+    [(open)]="open"
+>
+    <button
+        size="l"
+        title="Menu"
+        tuiIconButton
+        type="button"
+        class="tui-group__auto-width-item"
+        [iconRight]="icon"
+    ></button>
+</tui-hosted-dropdown>
+<ng-template
+    #dropdown
+    let-activeZone
+>
+    <tui-select
+        class="margin"
+        [tuiActiveZoneParent]="activeZone"
+        [(ngModel)]="selected"
+    >
+        Nested Select
+        <tui-data-list-wrapper
+            *tuiDataList
+            [items]="selectItems"
+        ></tui-data-list-wrapper>
+    </tui-select>
+</ng-template>
+`;
+
+const TEMPLATE_AFTER = `
+<div ${''}
+    tuiDropdownLimitWidth="fixed"
+    [tuiDropdown]="dropdown"
+    [(tuiDropdownOpen)]="open"
+>
+    <button
+        size="l"
+        title="Menu"
+        tuiIconButton
+        type="button"
+        class="tui-group__auto-width-item"
+        [iconEnd]="icon"
+    ></button>
+</div>
+<ng-template
+    #dropdown
+   ${''}
+>
+    <tui-select
+        class="margin"
+       ${''}
+        [(ngModel)]="selected"
+    >
+        Nested Select
+        <tui-data-list-wrapper
+            *tuiDataList
+            [items]="selectItems"
+        ></tui-data-list-wrapper>
+    </tui-select>
+</ng-template>
+`;
+
+describe('ng-update', () => {
+    let host: UnitTestTree;
+    let runner: SchematicTestRunner;
+
+    beforeEach(() => {
+        host = new UnitTestTree(new HostTree());
+        runner = new SchematicTestRunner('schematics', collectionPath);
+
+        setActiveProject(createProject(host));
+
+        createMainFiles();
+
+        saveActiveProject();
+    });
+
+    it('should migrate active zone parent in template', async () => {
+        const tree = await runner.runSchematic(
+            'updateToV4',
+            {'skip-logs': process.env['TUI_CI'] === 'true'} as Partial<TuiSchema>,
+            host,
+        );
+
+        expect(tree.readContent('test/app/test.template.html')).toEqual(TEMPLATE_AFTER);
+    });
+
+    afterEach(() => {
+        resetActiveProject();
+    });
+});
+
+function createMainFiles(): void {
+    createSourceFile('test/app/test.component.ts', COMPONENT_BEFORE);
+
+    createSourceFile('test/app/test.template.html', TEMPLATE_BEFORE);
+
+    createAngularJson();
+    createSourceFile(
+        'package.json',
+        '{"dependencies": {"@angular/core": "~13.0.0", "@taiga-ui/addon-commerce": "~3.42.0"}}',
+    );
+}