Function convertDataToEntities

_benchmarks/sample_antd.js:120629–120691

* Convert `treeData` into entity records.

(dataNodes)

 */

function convertDataToEntities(dataNodes) {
  var _ref = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
      initWrapper = _ref.initWrapper,
      processEntity = _ref.processEntity,
      onProcessFinished = _ref.onProcessFinished,
      externalGetKey = _ref.externalGetKey,
      childrenPropName = _ref.childrenPropName;

  var
  /** @deprecated Use `config.externalGetKey` instead */
  legacyExternalGetKey = arguments.length > 2 ? arguments[2] : undefined;
  // Init config
  var mergedExternalGetKey = externalGetKey || legacyExternalGetKey;
  var posEntities = {};
  var keyEntities = {};
  var wrapper = {
    posEntities: posEntities,
    keyEntities: keyEntities
  };

  if (initWrapper) {
    wrapper = initWrapper(wrapper) || wrapper;
  }

  traverseDataNodes(dataNodes, function (item) {
    var node = item.node,
        index = item.index,
        pos = item.pos,
        key = item.key,
        parentPos = item.parentPos,
        level = item.level;
    var entity = {
      node: node,
      index: index,
      key: key,
      pos: pos,
      level: level
    };
    var mergedKey = getKey(key, pos);
    posEntities[pos] = entity;
    keyEntities[mergedKey] = entity; // Fill children

    entity.parent = posEntities[parentPos];

    if (entity.parent) {
      entity.parent.children = entity.parent.children || [];
      entity.parent.children.push(entity);
    }

    if (processEntity) {
      processEntity(entity, wrapper);
    }
  }, {
    externalGetKey: mergedExternalGetKey,
    childrenPropName: childrenPropName
  });

  if (onProcessFinished) {