| 1 | import { existsSync } from 'node:fs' |
| 2 | import { isPlainObject } from '../utils' |
| 3 | import { |
| 4 | WorkerChoiceStrategies, |
| 5 | type WorkerChoiceStrategy |
| 6 | } from './selection-strategies/selection-strategies-types' |
| 7 | import type { TasksQueueOptions } from './pool' |
| 8 | |
| 9 | export const checkFilePath = (filePath: string): void => { |
| 10 | if ( |
| 11 | filePath == null || |
| 12 | typeof filePath !== 'string' || |
| 13 | (typeof filePath === 'string' && filePath.trim().length === 0) |
| 14 | ) { |
| 15 | throw new Error('Please specify a file with a worker implementation') |
| 16 | } |
| 17 | if (!existsSync(filePath)) { |
| 18 | throw new Error(`Cannot find the worker file '${filePath}'`) |
| 19 | } |
| 20 | } |
| 21 | |
| 22 | export const checkDynamicPoolSize = (min: number, max: number): void => { |
| 23 | if (max == null) { |
| 24 | throw new TypeError( |
| 25 | 'Cannot instantiate a dynamic pool without specifying the maximum pool size' |
| 26 | ) |
| 27 | } else if (!Number.isSafeInteger(max)) { |
| 28 | throw new TypeError( |
| 29 | 'Cannot instantiate a dynamic pool with a non safe integer maximum pool size' |
| 30 | ) |
| 31 | } else if (min > max) { |
| 32 | throw new RangeError( |
| 33 | 'Cannot instantiate a dynamic pool with a maximum pool size inferior to the minimum pool size' |
| 34 | ) |
| 35 | } else if (max === 0) { |
| 36 | throw new RangeError( |
| 37 | 'Cannot instantiate a dynamic pool with a maximum pool size equal to zero' |
| 38 | ) |
| 39 | } else if (min === max) { |
| 40 | throw new RangeError( |
| 41 | 'Cannot instantiate a dynamic pool with a minimum pool size equal to the maximum pool size. Use a fixed pool instead' |
| 42 | ) |
| 43 | } |
| 44 | } |
| 45 | |
| 46 | export const checkValidWorkerChoiceStrategy = ( |
| 47 | workerChoiceStrategy: WorkerChoiceStrategy |
| 48 | ): void => { |
| 49 | if ( |
| 50 | workerChoiceStrategy != null && |
| 51 | !Object.values(WorkerChoiceStrategies).includes(workerChoiceStrategy) |
| 52 | ) { |
| 53 | throw new Error(`Invalid worker choice strategy '${workerChoiceStrategy}'`) |
| 54 | } |
| 55 | } |
| 56 | |
| 57 | export const checkValidTasksQueueOptions = ( |
| 58 | tasksQueueOptions: TasksQueueOptions |
| 59 | ): void => { |
| 60 | if (tasksQueueOptions != null && !isPlainObject(tasksQueueOptions)) { |
| 61 | throw new TypeError('Invalid tasks queue options: must be a plain object') |
| 62 | } |
| 63 | if ( |
| 64 | tasksQueueOptions?.concurrency != null && |
| 65 | !Number.isSafeInteger(tasksQueueOptions.concurrency) |
| 66 | ) { |
| 67 | throw new TypeError( |
| 68 | 'Invalid worker node tasks concurrency: must be an integer' |
| 69 | ) |
| 70 | } |
| 71 | if ( |
| 72 | tasksQueueOptions?.concurrency != null && |
| 73 | tasksQueueOptions.concurrency <= 0 |
| 74 | ) { |
| 75 | throw new RangeError( |
| 76 | `Invalid worker node tasks concurrency: ${tasksQueueOptions.concurrency} is a negative integer or zero` |
| 77 | ) |
| 78 | } |
| 79 | if ( |
| 80 | tasksQueueOptions?.size != null && |
| 81 | !Number.isSafeInteger(tasksQueueOptions.size) |
| 82 | ) { |
| 83 | throw new TypeError( |
| 84 | 'Invalid worker node tasks queue size: must be an integer' |
| 85 | ) |
| 86 | } |
| 87 | if (tasksQueueOptions?.size != null && tasksQueueOptions.size <= 0) { |
| 88 | throw new RangeError( |
| 89 | `Invalid worker node tasks queue size: ${tasksQueueOptions.size} is a negative integer or zero` |
| 90 | ) |
| 91 | } |
| 92 | } |