Function createZip

apps/mobile/app/services/exporter.ts:274–318

(
  totalNotes: number,
  cacheFolder: string,
  type: "txt" | "pdf" | "md" | "html" | "md-frontmatter",
  path: string,
  callback: (progress?: string) => void
)

}

async function createZip(
  totalNotes: number,
  cacheFolder: string,
  type: "txt" | "pdf" | "md" | "html" | "md-frontmatter",
  path: string,
  callback: (progress?: string) => void
) {
  const fileName = `nn-export-${totalNotes}-${type}-${Date.now()}.zip`;
  const dir = path;
  try {
    callback("Creating zip");
    const zipOutputPath =
      Platform.OS === "ios"
        ? join(path, fileName)
        : join(RNFetchBlob.fs.dirs.CacheDir, fileName);
    await zip(cacheFolder, zipOutputPath);

    callback("Saving zip file");
    if (Platform.OS === "android") {
      const file = await ScopedStorage.createFile(
        path,
        fileName,
        "application/zip"
      );
      path = file.uri;
      await copyFileAsync("file://" + zipOutputPath, path);
      await RNFetchBlob.fs.unlink(zipOutputPath);
      callback();
    } else {
      path = zipOutputPath;
    }
    RNFetchBlob.fs.unlink(cacheFolder);
  } catch (e) {
    DatabaseLogger.error(e as Error);
  }

  return {
    filePath: path,
    fileDir: dir,
    type: "application/zip",
    name: "zip",
    fileName: fileName,
    count: totalNotes
  };
}

async function createFile(
  noteItem: ExportableNote,