choerodon-ui/es/rc-components/upload/traverseFileTree.js

An enterprise-class UI design language and React-based implementation

import _createForOfIteratorHelper from "@babel/runtime/helpers/createForOfIteratorHelper";

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)) {
          callback([file]);
        }
      });
    } else if (item.isDirectory) {
      var dirReader = item.createReader();
      dirReader.readEntries(function (entries) {
        var _iterator = _createForOfIteratorHelper(entries),
            _step;

        try {
          for (_iterator.s(); !(_step = _iterator.n()).done;) {
            var entrieItem = _step.value;

            _traverseFileTree(entrieItem, "".concat(path).concat(item.name, "/"));
          }
        } catch (err) {
          _iterator.e(err);
        } finally {
          _iterator.f();
        }
      });
    }
  };

  var _iterator2 = _createForOfIteratorHelper(files),
      _step2;

  try {
    for (_iterator2.s(); !(_step2 = _iterator2.n()).done;) {
      var file = _step2.value;

      _traverseFileTree(file.webkitGetAsEntry());
    }
  } catch (err) {
    _iterator2.e(err);
  } finally {
    _iterator2.f();
  }
};

export default traverseFileTree;
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