Merge files based on locks JS

const mergeContents = (hqObj, dealerObj) => {
  const mergeFirstLevel = (hqObj, dealerObj) => {
    const toInheritFromDealer = [
      "dealerCode",
      "isCreatedByHq",
      "revision",
      "status",
      "original",
      "createdBy",
      "updatedBy",
      "createdAt",
      "updatedAt",
      "expireAt",
      "active",
    ];

    // Every key from HQ except the keys in toInheritFromDealer
    const toCheckForOverride = Object.keys(hqObj).filter(
      (_) => !toInheritFromDealer.includes(_)
    );

    /// For each key to be overrided
    for (const key of toCheckForOverride) {
      if (key === "content") {
        mergeDeepLevels(
          hqObj["content"]["blocks"],
          dealerObj["content"]["blocks"]
        );
      } else {
        dealerObj[key] = hqObj[key];
      }
    }

    return dealerObj;
  };

  const mergeDeepLevels = (hqContent, dealerContent) => {
    const toCheckForOverride = Object.keys(hqContent);

    for (const key of toCheckForOverride) {
      console.log('Checking key', key);
      if (isObject(hqContent[key])) {
        console.log('HQ is object', key);
        /// hqContent[key] is an object
        if (isEmptyOrNotObject(dealerContent[key])) {
          console.log('HQ is object and dealer is not or is empty', key);
          // Both are objects and dealer is not empty
          mergeDeepLevels(hqContent[key], dealerContent[key]);
        } else {
          console.log('HQ is object and dealer is object and not empty', key);
          // Either dealer is not an object or is an empty object
          // dealerContect did not previusly containt key
          if(hqContent[key].isLocked === undefined && hqContent.isLocked) {
            dealerContent[key] = { ...hqContent[key] };
          } else {
            mergeDeepLevels(hqContent[key], dealerContent[key]);
          }
            //   dealerContent[key] = { ...hqContent[key] };
        }
      } else {
        /// Is primitive
        console.log('HQ is primitive', key);
        if(hqContent.isLocked === undefined) {
            dealerContent[key] = hqContent[key];
        }
        if (hqContent.isLocked) {
            console.log('HQ is primitive and locked', key);
            dealerContent[key] = hqContent[key];
        }
      }
    }
  };

  return mergeFirstLevel(hqObj, dealerObj);
};
const isObject = (item) => item && typeof item === "object";

const isEmptyOrNotObject = (obj) => !isObject(obj) || Object.keys(obj).length === 0;

let hq = {
  dealerCode: null,
  isCreatedByHq: true,
  sitemapId: "Pagina Rossocorsa",
  parentId: null,
  title: "Pagina Rossocorsa",
  internalTitle: "Pagina Rossocorsa",
  locale: "it",
  content: {
    blocks: [
      {
        type: "TextBlock",
        isLocked: false,
        isPinned: false,
        palette: "",
        variant: "text_centered",
        preTitle: "Pre title",
        title: "Title",
        subTitle: "Subtitle",
        slug: "slug",
        description: "Description",
        cta: {
          content: "Content Cta 1",
          url:
            "http://localhost:4200/back-office/cms/dws-pages/edit/60102ac170155b59983481f6",
          target: "_blank",
        },
        cta2: null,
        cta3: null,
        chapter: {
          name: "Chapter",
          nav: false,
        },
      },
    ],
  },
  slug: "pagina-rossocorsa",
  status: "published",
  publishedAt: "2021-01-19T11:37:15.353Z",
  id: "60118dad28de2d312c16da4d",
  original: "6006c1cd98dab63f18ac8a22",
  createdBy: null,
  updatedBy: null,
  createdAt: "2021-01-27T15:58:37.966Z",
  updatedAt: "2021-01-28T11:31:23.746Z",
  expireAt: "2021-02-28T11:31:23.519Z",
  revision: 20,
  active: false,
};

let dealer = {
  dealerCode: "052222",
  isCreatedByHq: false,
  sitemapId: "Pagina Rossocorsa",
  parentId: null,
  title: "Pagina Rossocorsa",
  internalTitle: "Pagina Rossocorsa",
  locale: "it",
  content: {
    blocks: [
      { },
    ],
  },
  slug: "pagina-rossocorsa",
  status: "published",
  publishedAt: "2021-01-19T11:37:15.353Z",
  original: "6006c1cd98dab63f18ac8a22",
  createdBy: null,
  updatedBy: null,
  createdAt: "2021-01-27T15:58:37.966Z",
  updatedAt: "2021-01-28T11:31:23.746Z",
  expireAt: "2021-02-28T11:31:23.519Z",
  revision: 20,
  active: false,
};