src/worker/utils.ts

   1 import { isPlainObject } from '../utils.js'
   2 import type { TaskFunction } from './task-functions.js'
   3 import { KillBehaviors, type WorkerOptions } from './worker-options.js'
   4
   5 export const checkValidWorkerOptions = (opts: WorkerOptions): void => {
   6   if (opts != null && !isPlainObject(opts)) {
   7     throw new TypeError('opts worker options parameter is not a plain object')
   8   }
   9   if (
  10     opts?.killBehavior != null &&
  11     !Object.values(KillBehaviors).includes(opts.killBehavior)
  12   ) {
  13     throw new TypeError(
  14       `killBehavior option '${opts.killBehavior}' is not valid`
  15     )
  16   }
  17   if (
  18     opts?.maxInactiveTime != null &&
  19     !Number.isSafeInteger(opts.maxInactiveTime)
  20   ) {
  21     throw new TypeError('maxInactiveTime option is not an integer')
  22   }
  23   if (opts?.maxInactiveTime != null && opts.maxInactiveTime < 5) {
  24     throw new TypeError(
  25       'maxInactiveTime option is not a positive integer greater or equal than 5'
  26     )
  27   }
  28   if (opts?.killHandler != null && typeof opts.killHandler !== 'function') {
  29     throw new TypeError('killHandler option is not a function')
  30   }
  31 }
  32
  33 export const checkValidTaskFunctionEntry = <Data = unknown, Response = unknown>(
  34   name: string,
  35   fn: TaskFunction<Data, Response>
  36 ): void => {
  37   if (typeof name !== 'string') {
  38     throw new TypeError('A taskFunctions parameter object key is not a string')
  39   }
  40   if (typeof name === 'string' && name.trim().length === 0) {
  41     throw new TypeError(
  42       'A taskFunctions parameter object key is an empty string'
  43     )
  44   }
  45   if (typeof fn !== 'function') {
  46     throw new TypeError(
  47       'A taskFunctions parameter object value is not a function'
  48     )
  49   }
  50 }
  51
  52 export const checkTaskFunctionName = (name: string): void => {
  53   if (typeof name !== 'string') {
  54     throw new TypeError('name parameter is not a string')
  55   }
  56   if (typeof name === 'string' && name.trim().length === 0) {
  57     throw new TypeError('name parameter is an empty string')
  58   }
  59 }