refactor: stricter worker constructor arguments check
[poolifier.git] / src / worker / worker-options.ts
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4c35177b 1/**
1a81f8af 2 * Enumeration of kill behaviors.
4c35177b 3 */
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4export const KillBehaviors = Object.freeze({
5 /**
a6a2dc4c 6 * If `currentTime - lastActiveTime` is greater than `maxInactiveTime` but a task is still executing or queued, then the worker **wont** be deleted.
1a81f8af 7 */
4c35177b 8 SOFT: 'SOFT',
1a81f8af 9 /**
a6a2dc4c 10 * If `currentTime - lastActiveTime` is greater than `maxInactiveTime` but a task is still executing or queued, then the worker will be deleted.
1a81f8af 11 */
4c35177b 12 HARD: 'HARD'
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13} as const)
14
15/**
16 * Kill behavior.
17 */
18export type KillBehavior = keyof typeof KillBehaviors
19
df9aaf20
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20/**
21 * Handler called when a worker is killed.
22 */
07588f30 23export type KillHandler = () => void | Promise<void>
df9aaf20 24
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25/**
26 * Options for workers.
27 */
325f50bc 28export interface WorkerOptions {
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29 /**
30 * `killBehavior` dictates if your worker will be deleted in case a task is active on it.
31 *
32 * - SOFT: If `currentTime - lastActiveTime` is greater than `maxInactiveTime` but a task is still executing or queued, then the worker **won't** be deleted.
33 * - HARD: If `currentTime - lastActiveTime` is greater than `maxInactiveTime` but a task is still executing or queued, then the worker will be deleted.
34 *
35 * This option only apply to the newly created workers.
36 *
37 * @defaultValue KillBehaviors.SOFT
38 */
39 killBehavior?: KillBehavior
325f50bc 40 /**
b0a4db63 41 * Maximum waiting time in milliseconds for tasks on newly created workers.
1a81f8af 42 *
729c563d 43 * After this time, newly created workers will be terminated.
b0a4db63 44 * The last active time of your worker will be updated when it terminates a task.
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45 *
46 * - If `killBehavior` is set to `KillBehaviors.HARD` this value represents also the timeout for the tasks that you submit to the pool,
b0a4db63 47 * when this timeout expires your tasks is interrupted before completion and removed. The worker is killed if is not part of the minimum size of the pool.
15eacd5d 48 * - If `killBehavior` is set to `KillBehaviors.SOFT` your tasks have no timeout and your workers will not be terminated until your task is completed.
325f50bc 49 *
1ff6b9de 50 * @defaultValue 60000
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51 */
52 maxInactiveTime?: number
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53 /**
54 * The function to call when a worker is killed.
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55 *
56 * @defaultValue `() => {}`
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57 */
58 killHandler?: KillHandler
325f50bc 59 /**
729c563d 60 * Whether your worker will perform asynchronous or not.
325f50bc 61 *
38e795c1 62 * @defaultValue false
a86b6df1 63 * @deprecated This option will be removed in the next major version.
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64 */
65 async?: boolean
66}