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refactor(compiler): i18n - render legacy i18n message ids (#34135)

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Now that `@angular/localize` can interpret multiple legacy message ids in the
metablock of a `$localize` tagged template string, this commit adds those
ids to each i18n message extracted from component templates, but only if
the `enableI18nLegacyMessageIdFormat` is not `false`.

PR Close #34135
This commit is contained in:
Pete Bacon Darwin
2019-12-03 08:36:38 +00:00
committed by Miško Hevery
parent 8e96b450e2
commit e524322c43
12 changed files with 100 additions and 124 deletions
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14
packages/compiler/src/output/output_ast.ts
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@ -509,12 +509,20 @@ export class LocalizedString extends Expression {
* @param messagePart The first part of the tagged string
*/
serializeI18nHead(): {cooked: string, raw: string} {
const MEANING_SEPARATOR = '|';
const ID_SEPARATOR = '@@';
const LEGACY_ID_INDICATOR = '␟';
let metaBlock = this.metaBlock.description || '';
if (this.metaBlock.meaning) {
metaBlock = `${this.metaBlock.meaning}|${metaBlock}`;
metaBlock = `${this.metaBlock.meaning}${MEANING_SEPARATOR}${metaBlock}`;
}
if (this.metaBlock.customId || this.metaBlock.legacyId) {
metaBlock = `${metaBlock}@@${this.metaBlock.customId || this.metaBlock.legacyId}`;
if (this.metaBlock.customId) {
metaBlock = `${metaBlock}${ID_SEPARATOR}${this.metaBlock.customId}`;
}
if (this.metaBlock.legacyIds) {
this.metaBlock.legacyIds.forEach(
legacyId => { metaBlock = `${metaBlock}${LEGACY_ID_INDICATOR}${legacyId}`; });
}
return createCookedRawString(metaBlock, this.messageParts[0]);
}