Class I18NHtmlParser

packages/compiler/src/i18n/i18n_html_parser.ts:24–67

import {TranslationBundle} from './translation_bundle';

export class I18NHtmlParser implements HtmlParser {
  // @override
  getTagDefinition: any;

  private _translationBundle: TranslationBundle;

  constructor(
    private _htmlParser: HtmlParser,
    translations?: string,
    translationsFormat?: string,
    missingTranslation: MissingTranslationStrategy = MissingTranslationStrategy.Warning,
    console?: Console,
  ) {
    if (translations) {
      const serializer = createSerializer(translationsFormat);
      this._translationBundle = TranslationBundle.load(
        translations,
        'i18n',
        serializer,
        missingTranslation,
        console,
      );
    } else {
      this._translationBundle = new TranslationBundle(
        {},
        null,
        digest,
        undefined,
        missingTranslation,
        console,
      );
    }
  }

  parse(source: string, url: string, options: TokenizeOptions = {}): ParseTreeResult {
    const parseResult = this._htmlParser.parse(source, url, {...options});

    if (parseResult.errors.length) {
      return new ParseTreeResult(parseResult.rootNodes, parseResult.errors);
    }

    return mergeTranslations(parseResult.rootNodes, this._translationBundle, [], {});
  }
}

function createSerializer(format?: string): Serializer {
  format = (format || 'xlf').toLowerCase();