build: set up schematics for v20

Author: amysorto

src/cdk/schematics/migration.json

@@ -1,10 +1,10 @@
 {
   "$schema": "./node_modules/@angular-devkit/schematics/collection-schema.json",
   "schematics": {
-    "migration-v19": {
-      "version": "19.0.0-0",
-      "description": "Updates the Angular CDK to v19",
-      "factory": "./ng-update/index#updateToV19"
+    "migration-v20": {
+      "version": "20.0.0-0",
+      "description": "Updates the Angular CDK to v20",
+      "factory": "./ng-update/index#updateToV20"
     },
     "ng-post-update": {
       "description": "Prints out results after ng-update.",

src/cdk/schematics/ng-update/index.ts

@@ -14,9 +14,9 @@ import {createMigrationSchematicRule, NullableDevkitMigration} from './devkit-mi
 const cdkMigrations: NullableDevkitMigration[] = [];
 
 /** Entry point for the migration schematics with target of Angular CDK 18.0.0 */
-export function updateToV19(): Rule {
+export function updateToV20(): Rule {
   return createMigrationSchematicRule(
-    TargetVersion.V19,
+    TargetVersion.V20,
     cdkMigrations,
     cdkUpgradeData,
     onMigrationComplete,

src/cdk/schematics/ng-update/migrations/misc-template.ts

@@ -15,7 +15,7 @@ import {UpgradeData} from '../upgrade-data';
  * instances of outdated Angular CDK API that can't be migrated automatically.
  */
 export class MiscTemplateMigration extends Migration<UpgradeData> {
-  // There are currently no migrations for V19 deprecations.
+  // There are currently no migrations for V20 deprecations.
   enabled = false;
 
   override visitTemplate(template: ResolvedResource): void {}

src/cdk/schematics/update-tool/target-version.ts

@@ -10,7 +10,7 @@
 
 // tslint:disable-next-line:prefer-const-enum
 export enum TargetVersion {
-  V19 = 'version 19',
+  V20 = 'version 20',
 }
 
 /**

src/material/schematics/migration.json

@@ -1,10 +1,10 @@
 {
   "$schema": "./node_modules/@angular-devkit/schematics/collection-schema.json",
   "schematics": {
-    "migration-v19": {
-      "version": "19.0.0-0",
-      "description": "Updates Angular Material to v19",
-      "factory": "./ng-update/index_bundled#updateToV19"
+    "migration-v20": {
+      "version": "20.0.0-0",
+      "description": "Updates Angular Material to v20",
+      "factory": "./ng-update/index_bundled#updateToV20"
     }
   }
 }

src/material/schematics/ng-update/index.ts

@@ -14,18 +14,13 @@ import {
 } from '@angular/cdk/schematics';
 
 import {materialUpgradeData} from './upgrade-data';
-import {MatCoreMigration} from './migrations/mat-core-removal';
-import {ExplicitSystemVariablePrefixMigration} from './migrations/explicit-system-variable-prefix';
 
-const materialMigrations: NullableDevkitMigration[] = [
-  MatCoreMigration,
-  ExplicitSystemVariablePrefixMigration,
-];
+const materialMigrations: NullableDevkitMigration[] = [];
 
-/** Entry point for the migration schematics with target of Angular Material v19 */
-export function updateToV19(): Rule {
+/** Entry point for the migration schematics with target of Angular Material v20 */
+export function updateToV20(): Rule {
   return createMigrationSchematicRule(
-    TargetVersion.V19,
+    TargetVersion.V20,
     materialMigrations,
     materialUpgradeData,
     onMigrationComplete,