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fix(ivy): proper i18n postprocessing in case of nested templates (#28209)

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Prior to this change the postprocess step relied on the order of placeholders combined in one group (e.g. [�#1�|�*1:1�]). The order is not guaranteed in case we have nested templates (since we use BFS to process templates) and some tags are represented using same placeholders. This change performs postprocessing more accurate by keeping track of currently active template and searching for matching placeholder.

PR Close #28209
This commit is contained in:
Andrew Kushnir
2019-01-13 16:56:00 -08:00
committed by Jason Aden
parent 7421534873
commit 2da82db3bc
4 changed files with 219 additions and 56 deletions
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25
packages/compiler-cli/test/compliance/r3_view_compiler_i18n_spec.ts
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@ -1682,6 +1682,31 @@ describe('i18n support in the view compiler', () => {
verify(input, output);
});
it('should support ICU-only templates', () => {
const input = `
{age, select, 10 {ten} 20 {twenty} other {other}}
`;
const output = String.raw `
const $MSG_EXTERNAL_8806993169187953163$$APP_SPEC_TS_0$ = goog.getMsg("{VAR_SELECT, select, 10 {ten} 20 {twenty} other {other}}");
const $I18N_EXTERNAL_8806993169187953163$$APP_SPEC_TS_0$ = $r3$.ɵi18nPostprocess($MSG_EXTERNAL_8806993169187953163$$APP_SPEC_TS_0$, { "VAR_SELECT": "\uFFFD0\uFFFD" });
…
consts: 1,
vars: 1,
template: function MyComponent_Template(rf, ctx) {
if (rf & 1) {
$r3$.ɵi18n(0, $I18N_EXTERNAL_8806993169187953163$$APP_SPEC_TS_0$);
}
if (rf & 2) {
$r3$.ɵi18nExp($r3$.ɵbind(ctx.age));
$r3$.ɵi18nApply(0);
}
}
`;
verify(input, output);
});
it('should generate i18n instructions for icus generated outside of i18n blocks', () => {
const input = `
<div>{gender, select, male {male} female {female} other {other}}</div>