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refactor(ivy): update the compiler to emit $localize tags (#31609)

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This commit changes the Angular compiler (ivy-only) to generate `$localize`
tagged strings for component templates that use `i18n` attributes.

BREAKING CHANGE

Since `$localize` is a global function, it must be included in any applications
that use i18n. This is achieved by importing the `@angular/localize` package
into an appropriate bundle, where it will be executed before the renderer
needs to call `$localize`. For CLI based projects, this is best done in
the `polyfills.ts` file.

```ts
import '@angular/localize';
```

For non-CLI applications this could be added as a script to the index.html
file or another suitable script file.

PR Close #31609
This commit is contained in:
Pete Bacon Darwin
2019-07-30 18:02:17 +01:00
committed by Misko Hevery
parent b21397bde9
commit fa79f51645
35 changed files with 1173 additions and 583 deletions
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3
packages/core/test/acceptance/i18n_spec.ts
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@ -5,7 +5,7 @@
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import '@angular/localize';
import {registerLocaleData} from '@angular/common';
import localeRo from '@angular/common/locales/ro';
import {Component, ContentChild, ContentChildren, Directive, HostBinding, Input, LOCALE_ID, QueryList, TemplateRef, Type, ViewChild, ViewContainerRef, ɵi18nConfigureLocalize, Pipe, PipeTransform} from '@angular/core';
@ -1130,6 +1130,7 @@ onlyInIvy('Ivy i18n logic').describe('runtime i18n', () => {
TestBed.configureTestingModule({declarations: [ClsDir, MyApp]});
ɵi18nConfigureLocalize({
translations: {
// Not that this translation switches the order of the expressions!
'start {$interpolation} middle {$interpolation_1} end':
'début {$interpolation_1} milieu {$interpolation} fin',
'{VAR_PLURAL, plural, =0 {no {START_BOLD_TEXT}emails{CLOSE_BOLD_TEXT}!} =1 {one {START_ITALIC_TEXT}email{CLOSE_ITALIC_TEXT}} other {{INTERPOLATION} emails}}':