import clone from 'just-clone';
-// import { Constants } from './internal';
import { Constants } from './Constants';
import { WebSocketCloseEventStatusString } from '../types';
return value == null;
}
- public static isEmptyArray(object: unknown | unknown[]): boolean {
+ public static isEmptyArray(object: unknown): boolean {
return Array.isArray(object) && object.length === 0;
}
- public static isNotEmptyArray(object: unknown | unknown[]): boolean {
+ public static isNotEmptyArray(object: unknown): boolean {
return Array.isArray(object) && object.length > 0;
}
if (Array.isArray(dataSet) === true && dataSet.length === 1) {
return dataSet[0];
}
- dataSet = dataSet.slice().sort((a, b) => a - b);
- return (dataSet[(dataSet.length - 1) >> 1] + dataSet[dataSet.length >> 1]) / 2;
+ const sortedDataSet = dataSet.slice().sort((a, b) => a - b);
+ return (
+ (sortedDataSet[(sortedDataSet.length - 1) >> 1] + sortedDataSet[sortedDataSet.length >> 1]) /
+ 2
+ );
}
// TODO: use order statistics tree https://en.wikipedia.org/wiki/Order_statistic_tree
return sortedDataSet[sortedDataSet.length - 1];
}
const percentileIndexBase = (percentile / 100) * (sortedDataSet.length - 1);
- const percentileIntegerIndex = Math.floor(percentileIndexBase);
- if (!Utils.isNullOrUndefined(sortedDataSet[percentileIntegerIndex + 1])) {
+ const percentileIndexInteger = Math.floor(percentileIndexBase);
+ if (!Utils.isNullOrUndefined(sortedDataSet[percentileIndexInteger + 1])) {
return (
- sortedDataSet[percentileIntegerIndex] +
- (percentileIndexBase - percentileIntegerIndex) *
- (sortedDataSet[percentileIntegerIndex + 1] - sortedDataSet[percentileIntegerIndex])
+ sortedDataSet[percentileIndexInteger] +
+ (percentileIndexBase - percentileIndexInteger) *
+ (sortedDataSet[percentileIndexInteger + 1] - sortedDataSet[percentileIndexInteger])
);
}
- return sortedDataSet[percentileIntegerIndex];
+ return sortedDataSet[percentileIndexInteger];
}
public static stdDeviation(dataSet: number[]): number {