zeppelin-web/src/app/tabledata/passthrough.js

/*
 * Licensed 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 Transformation from './transformation';

/**
 * passthough the data
 */
export default class PassthroughTransformation extends Transformation {
  // eslint-disable-next-line no-useless-constructor
  constructor(config) {
    super(config);
  }

  /**
   * Method will be invoked when tableData or config changes
   */
  transform(tableData) {
    return tableData;
  }
}