| 1 | import type { WorkerChoiceStrategyOptions } from './pools/selection-strategies/selection-strategies-types' |
| 2 | |
| 3 | /** |
| 4 | * An intentional empty function. |
| 5 | */ |
| 6 | export const EMPTY_FUNCTION: () => void = Object.freeze(() => { |
| 7 | /* Intentionally empty */ |
| 8 | }) |
| 9 | |
| 10 | /** |
| 11 | * Default worker choice strategy options. |
| 12 | */ |
| 13 | export const DEFAULT_WORKER_CHOICE_STRATEGY_OPTIONS: WorkerChoiceStrategyOptions = |
| 14 | { |
| 15 | medRunTime: false, |
| 16 | medWaitTime: false |
| 17 | } |
| 18 | |
| 19 | /** |
| 20 | * Compute the median of the given data set. |
| 21 | * |
| 22 | * @param dataSet - Data set. |
| 23 | * @returns The median of the given data set. |
| 24 | */ |
| 25 | export const median = (dataSet: number[]): number => { |
| 26 | if (Array.isArray(dataSet) && dataSet.length === 0) { |
| 27 | return 0 |
| 28 | } |
| 29 | if (Array.isArray(dataSet) && dataSet.length === 1) { |
| 30 | return dataSet[0] |
| 31 | } |
| 32 | const sortedDataSet = dataSet.slice().sort((a, b) => a - b) |
| 33 | return ( |
| 34 | (sortedDataSet[(sortedDataSet.length - 1) >> 1] + |
| 35 | sortedDataSet[sortedDataSet.length >> 1]) / |
| 36 | 2 |
| 37 | ) |
| 38 | } |
| 39 | |
| 40 | /** |
| 41 | * Is the given object a plain object? |
| 42 | * |
| 43 | * @param obj - The object to check. |
| 44 | * @returns `true` if the given object is a plain object, `false` otherwise. |
| 45 | */ |
| 46 | export const isPlainObject = (obj: unknown): boolean => |
| 47 | typeof obj === 'object' && |
| 48 | obj !== null && |
| 49 | obj?.constructor === Object && |
| 50 | Object.prototype.toString.call(obj) === '[object Object]' |