smartfile/ts/fsstream.ts

/*
This file contains logic for streaming things from and to the filesystem
*/
import * as plugins from './smartfile.plugins.js';

export const createReadStream = (pathArg: string) => {
  return plugins.fs.createReadStream(pathArg);
};

export const createWriteStream = (pathArg: string) => {
  return plugins.fs.createWriteStream(pathArg);
};

export const processFile = async (
  filePath: string,
  asyncFunc: (fileStream: plugins.stream.Readable) => Promise<void>
): Promise<void> => {
  return new Promise((resolve, reject) => {
    const fileStream = createReadStream(filePath);
    asyncFunc(fileStream).then(resolve).catch(reject);
  });
}

export const processDirectory = async (
  directoryPath: string,
  asyncFunc: (fileStream: plugins.stream.Readable) => Promise<void>
): Promise<void> => {
  const files = plugins.fs.readdirSync(directoryPath, { withFileTypes: true });

  for (const file of files) {
    const fullPath = plugins.path.join(directoryPath, file.name);

    if (file.isDirectory()) {
      await processDirectory(fullPath, asyncFunc); // Recursively call processDirectory for directories
    } else if (file.isFile()) {
      await processFile(fullPath, asyncFunc); // Call async function with the file stream and wait for it
    }
  }
};