feat(common): add an empty DeprecatedI18NPipesModule module

Adding an empty module to ease the migration to the i18n pipes.

Author: ocombe

packages/common/src/common.ts

@@ -14,7 +14,7 @@
 export * from './location/index';
 export {NgLocaleLocalization, NgLocalization} from './localization';
 export {parseCookieValue as ɵparseCookieValue} from './cookie';
-export {CommonModule} from './common_module';
+export {CommonModule, DeprecatedI18NPipesModule} from './common_module';
 export {NgClass, NgFor, NgForOf, NgForOfContext, NgIf, NgIfContext, NgPlural, NgPluralCase, NgStyle, NgSwitch, NgSwitchCase, NgSwitchDefault, NgTemplateOutlet, NgComponentOutlet} from './directives/index';
 export {DOCUMENT} from './dom_tokens';
 export {AsyncPipe, DatePipe, I18nPluralPipe, I18nSelectPipe, JsonPipe, LowerCasePipe, CurrencyPipe, DecimalPipe, PercentPipe, SlicePipe, UpperCasePipe, TitleCasePipe} from './pipes/index';

packages/common/src/common_module.ts

@@ -29,3 +29,19 @@ import {COMMON_PIPES} from './pipes/index';
 })
 export class CommonModule {
 }
+
+/**
+ * I18N pipes are being changed to move away from using the JS Intl API.
+ *
+ * The former pipes relying on the Intl API will be moved to this module while the `CommonModule`
+ * will contain the new pipes that do not rely on Intl.
+ *
+ * As a first step this module is created empty to ease the migration.
+ *
+ * see https://github.com/angular/angular/pull/18284
+ *
+ * @deprecated from v5
+ */
+@NgModule({declarations: [], exports: []})
+export class DeprecatedI18NPipesModule {
+}

tools/public_api_guard/common/common.d.ts

@@ -33,6 +33,10 @@ export declare class DecimalPipe implements PipeTransform {
     transform(value: any, digits?: string): string | null;
 }
 
+/** @deprecated */
+export declare class DeprecatedI18NPipesModule {
+}
+
 /** @stable */
 export declare const DOCUMENT: InjectionToken<Document>;