echarts install 源码
echarts install 代码
文件路径：/src/component/graphic/install.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 { isArray } from 'zrender/src/core/util';
import { EChartsExtensionInstallRegisters } from '../../extension';
import { GraphicComponentModel, GraphicComponentOption } from './GraphicModel';
import { GraphicComponentView } from './GraphicView';
export function install(registers: EChartsExtensionInstallRegisters) {
registers.registerComponentModel(GraphicComponentModel);
registers.registerComponentView(GraphicComponentView);
registers.registerPreprocessor(function (option) {
const graphicOption = option.graphic as GraphicComponentOption | GraphicComponentOption[];
// Convert
// {graphic: [{left: 10, type: 'circle'}, ...]}
// or
// {graphic: {left: 10, type: 'circle'}}
// to
// {graphic: [{elements: [{left: 10, type: 'circle'}, ...]}]}
if (isArray(graphicOption)) {
if (!graphicOption[0] || !graphicOption[0].elements) {
option.graphic = [{ elements: graphicOption }];
}
else {
// Only one graphic instance can be instantiated. (We dont
// want that too many views are created in echarts._viewMap)
option.graphic = [(option.graphic as any)[0]];
}
}
else if (graphicOption && !graphicOption.elements) {
option.graphic = [{ elements: [graphicOption] }];
}
});
}
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