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node_modules/echarts/src/component/visualMap/preprocessor.js 1.87 KB
aaac7fed   liuqimichale   add
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  /*
  * 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 * as zrUtil from 'zrender/src/core/util';
  
  var each = zrUtil.each;
  
  export default function (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);
  }