chainscript/lib/utils/walkDir.js

Client for chainscript.io

'use strict';

exports.__esModule = true;
exports['default'] = walkDir;

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }

var _fs = require('fs');

var _fs2 = _interopRequireDefault(_fs);

var _path = require('path');

var _promisify = require('./promisify');

var _promisify2 = _interopRequireDefault(_promisify);

var readdir = _promisify2['default'](_fs2['default'].readdir);
var lstat = _promisify2['default'](_fs2['default'].lstat);

function walkDir(dir, filter, fileCb) {
  return readdir(dir).then(function (fileList) {
    var files = fileList.map(function (f) {
      return _path.join(dir, f);
    });
    files = filter ? filter(files) : files;

    var next = function next() {
      var _again = true;

      _function: while (_again) {
        file = undefined;
        _again = false;

        if (files.length < 1) {
          return true;
        }

        var file = files.shift();

        if (!file) {
          _again = true;
          continue _function;
        }

        return lstat(file).then(function (stats) {
          if (stats.isDirectory()) {
            return walkDir(file, filter, fileCb).then(next);
          } else if (!stats.isSymbolicLink() && fileCb) {
            return fileCb(file).then(next);
          }

          return next();
        });
      }
    };

    return next();
  });
}

module.exports = exports['default'];