superset extent 源码
superset extent 代码
文件路径：/superset-frontend/plugins/plugin-chart-table/src/utils/extent.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.
*/
export default function extent<T = number | string | Date | undefined | null>(
values: T[],
) {
let min: T | undefined;
let max: T | undefined;
// eslint-disable-next-line no-restricted-syntax
for (const value of values) {
if (value !== null) {
if (min === undefined) {
if (value !== undefined) {
min = value;
max = value;
}
} else {
if (min > value) {
min = value;
}
if (max !== undefined) {
if (max < value) {
max = value;
}
}
}
}
}
return [min, max];
}
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