Method processUnpublishedEntry

packages/decap-cms-core/src/backend.ts:1026–1108

(
    collection: Collection,
    entryData: UnpublishedEntry,
    withMediaFiles: boolean,
  )

  }

  async processUnpublishedEntry(
    collection: Collection,
    entryData: UnpublishedEntry,
    withMediaFiles: boolean,
  ) {
    const { slug } = entryData;
    let extension: string;
    if (collection.get('type') === FILES) {
      const file = collection.get('files')!.find(f => f?.get('name') === slug);
      extension = extname(file.get('file'));
    } else {
      extension = selectFolderEntryExtension(collection);
    }

    const mediaFiles: MediaFile[] = [];
    if (withMediaFiles) {
      const nonDataFiles = entryData.diffs.filter(d => !d.path.endsWith(extension));
      const files = await Promise.all(
        nonDataFiles.map(f =>
          this.implementation!.unpublishedEntryMediaFile(
            collection.get('name'),
            slug,
            f.path,
            f.id,
          ),
        ),
      );
      mediaFiles.push(...files.map(f => ({ ...f, draft: true })));
    }

    const dataFiles = sortBy(
      entryData.diffs.filter(d => d.path.endsWith(extension)),
      f => f.path.length,
    );

    const formatData = (data: string, path: string, newFile: boolean) => {
      const entry = createEntry(collection.get('name'), slug, path, {
        raw: data,
        isModification: !newFile,
        label: collection && selectFileEntryLabel(collection, slug),
        mediaFiles,
        updatedOn: entryData.updatedAt,
        author: entryData.pullRequestAuthor,
        status: entryData.status,
        meta: { path: prepareMetaPath(path, collection) },
      });

      const entryWithFormat = this.entryWithFormat(collection)(entry);
      return entryWithFormat;
    };

    const readAndFormatDataFile = async (dataFile: UnpublishedEntryDiff) => {
      const data = await this.implementation.unpublishedEntryDataFile(
        collection.get('name'),
        entryData.slug,
        dataFile.path,
        dataFile.id,
      );