SpencerCDixon/redux-cli

import fs from 'fs';
import path from 'path';
// import fse from 'fs-extra';
// import temp from 'temp';
// import denodeify from 'denodeify';

const rootPath = process.cwd();
// const mkdir    = denodeify(fs.mkdir);
// const mkTmpDir = denodeify(temp.mkdir);

/*
 Node deprecated existsSync so this is a simple
 helper function wrapping try/catch around the new
 recommended approach of accessSync
 https://nodejs.org/api/fs.html#fs_fs_existssync_path
 */
export const fileExists = filename => {
  try {
    fs.accessSync(filename);
    return true;
  } catch (e) {
    if (e.code === 'ENOENT') {
      return false;
    } else {
      throw e;
    }
  }
};

export const readFile = filename => {
  const filePath = path.join(rootPath, filename);
  return fs.readFileSync(filePath, 'utf8');
};

// Promise based fs helpers
// currently not being used after blueprint refactor.  Keeping in case
// I want to use later...

// export const dirExists = (dirPath) => {
//   return new Promise(resolve => {
//     fse.exists(dirPath, resolve);
//   });
// };

// export const mkTmpDirIn = (dirPath) => {
//   return dirExists(dirPath).then(doesExist => {
//     if (!doesExist) {
//       return mkdir(dirPath);
//     }
//   }).then(() => {
//     return mkTmpDir({ dir: dirPath});
//   });
// };