airbnb/caravel

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
import { IN_COMPONENT_ELEMENT_TYPES } from './constants';

export default function getLeafComponentIdFromPath(directPathToChild = []) {
  if (directPathToChild.length > 0) {
    const currentPath = directPathToChild.slice();

    while (currentPath.length) {
      const componentId = currentPath.pop();
      const componentType = componentId && componentId.split('-')[0];

      if (!IN_COMPONENT_ELEMENT_TYPES.includes(componentType)) {
        return componentId;
      }
    }
  }

  return null;
}