echarts typeDefaulter 源码
echarts typeDefaulter 代码
文件路径：/src/component/visualMap/typeDefaulter.ts
/*
* 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 Component from '../../model/Component';
import {VisualMapOption} from './VisualMapModel';
import {PiecewiseVisualMapOption} from './PiecewiseModel';
import {ContinousVisualMapOption} from './ContinuousModel';
Component.registerSubTypeDefaulter(
'visualMap', function (option: VisualMapOption) {
// Compatible with ec2, when splitNumber === 0, continuous visualMap will be used.
return (
!option.categories
&& (
!(
(option as PiecewiseVisualMapOption).pieces
? ((option as PiecewiseVisualMapOption)).pieces.length > 0
: ((option as PiecewiseVisualMapOption)).splitNumber > 0
)
|| (option as ContinousVisualMapOption).calculable
)
)
? 'continuous' : 'piecewise';
});
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