Method visitExpansion

packages/compiler/src/i18n/extractor_merger.ts:162–190

(icu: html.Expansion, context: any)

  }

  visitExpansion(icu: html.Expansion, context: any): html.Expansion {
    this._mayBeAddBlockChildren(icu);

    const wasInIcu = this._inIcu;

    if (!this._inIcu) {
      // nested ICU messages should not be extracted but top-level translated as a whole
      if (this._isInTranslatableSection) {
        this._addMessage([icu]);
      }
      this._inIcu = true;
    }

    const cases = html.visitAll(this, icu.cases, context);

    if (this._mode === _VisitorMode.Merge) {
      icu = new html.Expansion(
        icu.switchValue,
        icu.type,
        cases,
        icu.sourceSpan,
        icu.switchValueSourceSpan,
      );
    }

    this._inIcu = wasInIcu;

    return icu;
  }

  visitComment(comment: html.Comment, context: any): any {
    const isOpening = _isOpeningComment(comment);