'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
function loopFiles(item, callback) {
  var dirReader = item.createReader();
  var fileList = [];

  function sequence() {
    dirReader.readEntries(function (entries) {
      var entryList = Array.prototype.slice.apply(entries);
      fileList = fileList.concat(entryList);

      // Check if all the file has been viewed
      var isFinished = !entryList.length;

      if (isFinished) {
        callback(fileList);
      } else {
        sequence();
      }
    });
  }

  sequence();
}

var traverseFileTree = function traverseFileTree(files, callback, isAccepted) {
  var _traverseFileTree = function _traverseFileTree(item, path) {
    path = path || '';
    if (item.isFile) {
      item.file(function (file) {
        if (isAccepted(file)) {
          // https://github.com/ant-design/ant-design/issues/16426
          if (item.fullPath && !file.webkitRelativePath) {
            Object.defineProperties(file, {
              webkitRelativePath: {
                writable: true
              }
            });
            file.webkitRelativePath = item.fullPath.replace(/^\//, '');
            Object.defineProperties(file, {
              webkitRelativePath: {
                writable: false
              }
            });
          }
          callback([file]);
        }
      });
    } else if (item.isDirectory) {
      loopFiles(item, function (entries) {
        entries.forEach(function (entryItem) {
          _traverseFileTree(entryItem, '' + path + item.name + '/');
        });
      });
    }
  };
  var _iteratorNormalCompletion = true;
  var _didIteratorError = false;
  var _iteratorError = undefined;

  try {
    for (var _iterator = files[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
      var file = _step.value;

      _traverseFileTree(file.webkitGetAsEntry());
    }
  } catch (err) {
    _didIteratorError = true;
    _iteratorError = err;
  } finally {
    try {
      if (!_iteratorNormalCompletion && _iterator['return']) {
        _iterator['return']();
      }
    } finally {
      if (_didIteratorError) {
        throw _iteratorError;
      }
    }
  }
};

exports['default'] = traverseFileTree;
module.exports = exports['default'];