echarts boxplotTransform 源码
echarts boxplotTransform 代码
文件路径：/src/chart/boxplot/boxplotTransform.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 { DataTransformOption, ExternalDataTransform } from '../../data/helper/transform';
import prepareBoxplotData, { PrepareBoxplotDataOpt } from './prepareBoxplotData';
import { throwError, makePrintable } from '../../util/log';
import { SOURCE_FORMAT_ARRAY_ROWS } from '../../util/types';
export interface BoxplotTransformOption extends DataTransformOption {
type: 'boxplot';
config: PrepareBoxplotDataOpt;
}
export const boxplotTransform: ExternalDataTransform<BoxplotTransformOption> = {
type: 'echarts:boxplot',
transform: function transform(params) {
const upstream = params.upstream;
if (upstream.sourceFormat !== SOURCE_FORMAT_ARRAY_ROWS) {
let errMsg = '';
if (__DEV__) {
errMsg = makePrintable(
'source data is not applicable for this boxplot transform. Expect number[][].'
);
}
throwError(errMsg);
}
const result = prepareBoxplotData(
upstream.getRawData() as number[][],
params.config
);
return [{
dimensions: ['ItemName', 'Low', 'Q1', 'Q2', 'Q3', 'High'],
data: result.boxData
}, {
data: result.outliers
}];
}
};
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