text: var zrUtil = require("zrender/lib/core/util");
  
  /*
  * 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.
  */
  var each = zrUtil.each;
  
  function _default(option) {
    var visualMap = option && option.visualMap;
  
    if (!zrUtil.isArray(visualMap)) {
      visualMap = visualMap ? [visualMap] : [];
    }
  
    each(visualMap, function (opt) {
      if (!opt) {
        return;
      } // rename splitList to pieces
  
  
      if (has(opt, 'splitList') && !has(opt, 'pieces')) {
        opt.pieces = opt.splitList;
        delete opt.splitList;
      }
  
      var pieces = opt.pieces;
  
      if (pieces && zrUtil.isArray(pieces)) {
        each(pieces, function (piece) {
          if (zrUtil.isObject(piece)) {
            if (has(piece, 'start') && !has(piece, 'min')) {
              piece.min = piece.start;
            }
  
            if (has(piece, 'end') && !has(piece, 'max')) {
              piece.max = piece.end;
            }
          }
        });
      }
    });
  }
  
  function has(obj, name) {
    return obj && obj.hasOwnProperty && obj.hasOwnProperty(name);
  }
  
  module.exports = _default;