echarts createRenderPlanner 源码
echarts createRenderPlanner 代码
文件路径：/src/chart/helper/createRenderPlanner.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 {makeInner} from '../../util/model';
import SeriesModel from '../../model/Series';
import { StageHandlerPlanReturn } from '../../util/types';
/**
* @return {string} If large mode changed, return string 'reset';
*/
export default function createRenderPlanner() {
const inner = makeInner<{
large: boolean
progressiveRender: boolean
}, SeriesModel>();
return function (seriesModel: SeriesModel): StageHandlerPlanReturn {
const fields = inner(seriesModel);
const pipelineContext = seriesModel.pipelineContext;
const originalLarge = !!fields.large;
const originalProgressive = !!fields.progressiveRender;
// FIXME: if the planner works on a filtered series, `pipelineContext` does not
// exists. See #11611 . Probably we need to modify this structure, see the comment
// on `performRawSeries` in `Schedular.js`.
const large = fields.large = !!(pipelineContext && pipelineContext.large);
const progressive = fields.progressiveRender = !!(pipelineContext && pipelineContext.progressiveRender);
return (
!!((originalLarge !== large) || (originalProgressive !== progressive)) && 'reset'
) as StageHandlerPlanReturn;
};
}
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