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feat(ivy): use i18n locale data to determine the plural form of ICU expressions (#29249)

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Plural ICU expressions depend on the locale (different languages have different plural forms). Until now the locale was hard coded as `en-US`.
For compatibility reasons, if you use ivy with AOT and bootstrap your app with `bootstrapModule` then the `LOCALE_ID` token will be set automatically for ivy, which is then used to get the correct plural form.
If you use JIT, you need to define the `LOCALE_ID` provider on the module that you bootstrap.
For `TestBed` you can use either `configureTestingModule` or `overrideProvider` to define that provider.
If you don't use the compat mode and start your app with `renderComponent` you need to call `ɵsetLocaleId` manually to define the `LOCALE_ID` before bootstrap. We expect this to change once we start adding the new i18n APIs, so don't rely on this function (there's a reason why it's a private export).
PR Close #29249
This commit is contained in:
Olivier Combe
2019-04-11 17:52:55 +02:00
committed by Alex Rickabaugh
parent 6a1441f727
commit 6a8cca7975
27 changed files with 346 additions and 451 deletions
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5
packages/core/src/application_ref.ts
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@ -15,6 +15,7 @@ import {getCompilerFacade} from './compiler/compiler_facade';
import {Console} from './console';
import {Injectable, InjectionToken, Injector, StaticProvider} from './di';
import {ErrorHandler} from './error_handler';
import {LOCALE_ID} from './i18n/tokens';
import {Type} from './interface/type';
import {COMPILER_OPTIONS, CompilerFactory, CompilerOptions} from './linker/compiler';
import {ComponentFactory, ComponentRef} from './linker/component_factory';
@ -25,6 +26,7 @@ import {isComponentResourceResolutionQueueEmpty, resolveComponentResources} from
import {WtfScopeFn, wtfCreateScope, wtfLeave} from './profile/profile';
import {assertNgModuleType} from './render3/assert';
import {ComponentFactory as R3ComponentFactory} from './render3/component_ref';
import {DEFAULT_LOCALE_ID, setLocaleId} from './render3/i18n';
import {NgModuleFactory as R3NgModuleFactory} from './render3/ng_module_ref';
import {Testability, TestabilityRegistry} from './testability/testability';
import {isDevMode} from './util/is_dev_mode';
@ -261,6 +263,9 @@ export class PlatformRef {
if (!exceptionHandler) {
throw new Error('No ErrorHandler. Is platform module (BrowserModule) included?');
}
// If the `LOCALE_ID` provider is defined at bootstrap we set the value for runtime i18n (ivy)
const localeId = moduleRef.injector.get(LOCALE_ID, DEFAULT_LOCALE_ID);
setLocaleId(localeId);
moduleRef.onDestroy(() => remove(this._modules, moduleRef));
ngZone !.runOutsideAngular(
() => ngZone !.onError.subscribe(