test

// 共通メソッド（OldListのキー名を指定してリストを再構築）
rebuildListByRegistDateDynamic(list: any[], listPropName: string): any[] {
  const allNestedItems: any[] = [];

  // すべての OldList をまとめる（termsOldListやmovieOldList）
  for (const item of list) {
    if (Array.isArray(item[listPropName])) {
      for (const nested of item[listPropName]) {
        allNestedItems.push({ ...nested });
      }
    }
  }

  // registDate（12桁）で一致する nested を再構築
  return list.map(item => {
    const registDate12 = item.registDate.substring(0, 12);

    const matchedList = allNestedItems
      .filter(nested => nested.registDate.substring(0, 12) === registDate12)
      .map(nested => ({
        ...nested,
        registDate: nested.registDate.substring(0, 12),
      }));

    return {
      ...item,
      registDate: registDate12,
      [listPropName]: matchedList
    };
  });
}

ngOnInit(): void {
  const updatedTermList = this.rebuildListByRegistDateDynamic(
    postData.termList,
    'termsOldList'
  );

  const updatedMovieList = this.rebuildListByRegistDateDynamic(
    postData.movieList,
    'movieOldList'
  );

  console.log('updatedTermList:', updatedTermList);
  console.log('updatedMovieList:', updatedMovieList);
}



mergeByRegistDate(
  updatedTermList: any[],
  updatedMovieList: any[]
): any[] {
  const mergedMap = new Map<string, any>();

  const mergeItem = (item: any, type: 'term' | 'movie') => {
    const registDate = item.registDate;

    if (!mergedMap.has(registDate)) {
      mergedMap.set(registDate, {
        registDate,
        OldList: [],
      });
    }

    const existing = mergedMap.get(registDate);

    // マージ（重複フィールドも含めて上書きOK：term → movie の順）
    for (const key of Object.keys(item)) {
      if (key !== 'registDate') {
        existing[key] = item[key];
      }
    }

    // OldList の統合
    const listKey = type === 'term' ? 'termsOldList' : 'movieOldList';
    if (item[listKey]) {
      existing[listKey] = item[listKey];
      existing.OldList.push(...item[listKey]);
    }
  };

  // term → movie の順でマージ
  updatedTermList.forEach(item => mergeItem(item, 'term'));
  updatedMovieList.forEach(item => mergeItem(item, 'movie'));

  // registDate 昇順で返す
  return Array.from(mergedMap.values()).sort((a, b) =>
    a.registDate.localeCompare(b.registDate)
  );
}