public/zh/builder/src/echarts/preprocessor/backwardCompat.js

/*
* 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.
*/
// Compatitable with 2.0
import { each, isArray, isObject } from 'zrender/src/core/util';
import compatStyle from './helper/compatStyle';
import { normalizeToArray } from '../util/model';

function get(opt, path) {
  path = path.split(',');
  var obj = opt;

  for (var i = 0; i < path.length; i++) {
    obj = obj && obj[path[i]];

    if (obj == null) {
      break;
    }
  }

  return obj;
}

function set(opt, path, val, overwrite) {
  path = path.split(',');
  var obj = opt;
  var key;

  for (var i = 0; i < path.length - 1; i++) {
    key = path[i];

    if (obj[key] == null) {
      obj[key] = {};
    }

    obj = obj[key];
  }

  if (overwrite || obj[path[i]] == null) {
    obj[path[i]] = val;
  }
}

function compatLayoutProperties(option) {
  each(LAYOUT_PROPERTIES, function (prop) {
    if (prop[0] in option && !(prop[1] in option)) {
      option[prop[1]] = option[prop[0]];
    }
  });
}

var LAYOUT_PROPERTIES = [['x', 'left'], ['y', 'top'], ['x2', 'right'], ['y2', 'bottom']];
var COMPATITABLE_COMPONENTS = ['grid', 'geo', 'parallel', 'legend', 'toolbox', 'title', 'visualMap', 'dataZoom', 'timeline'];
export default function (option, isTheme) {
  compatStyle(option, isTheme); // Make sure series array for model initialization.

  option.series = normalizeToArray(option.series);
  each(option.series, function (seriesOpt) {
    if (!isObject(seriesOpt)) {
      return;
    }

    var seriesType = seriesOpt.type;

    if (seriesType === 'pie' || seriesType === 'gauge') {
      if (seriesOpt.clockWise != null) {
        seriesOpt.clockwise = seriesOpt.clockWise;
      }
    }

    if (seriesType === 'gauge') {
      var pointerColor = get(seriesOpt, 'pointer.color');
      pointerColor != null && set(seriesOpt, 'itemStyle.color', pointerColor);
    }

    compatLayoutProperties(seriesOpt);
  }); // dataRange has changed to visualMap

  if (option.dataRange) {
    option.visualMap = option.dataRange;
  }

  each(COMPATITABLE_COMPONENTS, function (componentName) {
    var options = option[componentName];

    if (options) {
      if (!isArray(options)) {
        options = [options];
      }

      each(options, function (option) {
        compatLayoutProperties(option);
      });
    }
  });
}