49 lines
1.4 KiB
TypeScript
49 lines
1.4 KiB
TypeScript
/**
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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import { isNil } from 'lodash';
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export default function extent<T = number | string | Date | undefined | null>(
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values: T[],
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) {
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let min: T | undefined;
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let max: T | undefined;
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// eslint-disable-next-line no-restricted-syntax
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for (const value of values) {
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if (value !== null) {
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if (isNil(min)) {
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if (value !== undefined) {
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min = value;
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max = value;
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}
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} else if (value !== undefined) {
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if (min > value) {
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min = value;
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}
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if (!isNil(max)) {
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if (max < value) {
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max = value;
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}
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}
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}
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}
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}
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return [min, max];
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}
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