Method write

packages/compiler/src/i18n/message_bundle.ts:69–99

(serializer: Serializer, filterSources?: (path: string) => string)

  }

  write(serializer: Serializer, filterSources?: (path: string) => string): string {
    const messages: {[id: string]: i18n.Message} = {};
    const mapperVisitor = new MapPlaceholderNames();

    // Deduplicate messages based on their ID
    this._messages.forEach((message) => {
      const id = serializer.digest(message);
      if (!messages.hasOwnProperty(id)) {
        messages[id] = message;
      } else {
        messages[id].sources.push(...message.sources);
      }
    });

    // Transform placeholder names using the serializer mapping
    const msgList = Object.keys(messages).map((id) => {
      const mapper = serializer.createNameMapper(messages[id]);
      const src = messages[id];
      const nodes = mapper ? mapperVisitor.convert(src.nodes, mapper) : src.nodes;
      let transformedMessage = new i18n.Message(nodes, {}, {}, src.meaning, src.description, id);
      transformedMessage.sources = src.sources;
      if (filterSources) {
        transformedMessage.sources.forEach(
          (source: i18n.MessageSpan) => (source.filePath = filterSources(source.filePath)),
        );
      }
      return transformedMessage;
    });

    return serializer.write(msgList, this._locale);
  }
}

// Transform an i18n AST by renaming the placeholder nodes with the given mapper