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 = (
   6   opts: WorkerOptions | undefined
   7 ): void => {
   8   if (opts != null && !isPlainObject(opts)) {
   9     throw new TypeError('opts worker options parameter is not a plain object')
  10   }
  11   if (
  12     opts?.killBehavior != null &&
  13     !Object.values(KillBehaviors).includes(opts.killBehavior)
  14   ) {
  15     throw new TypeError(
  16       `killBehavior option '${opts.killBehavior}' is not valid`
  17     )
  18   }
  19   if (
  20     opts?.maxInactiveTime != null &&
  21     !Number.isSafeInteger(opts.maxInactiveTime)
  22   ) {
  23     throw new TypeError('maxInactiveTime option is not an integer')
  24   }
  25   if (opts?.maxInactiveTime != null && opts.maxInactiveTime < 5) {
  26     throw new TypeError(
  27       'maxInactiveTime option is not a positive integer greater or equal than 5'
  28     )
  29   }
  30   if (opts?.killHandler != null && typeof opts.killHandler !== 'function') {
  31     throw new TypeError('killHandler option is not a function')
  32   }
  33 }
  34
  35 export const checkValidTaskFunctionEntry = <Data = unknown, Response = unknown>(
  36   name: string,
  37   fn: TaskFunction<Data, Response>
  38 ): void => {
  39   if (typeof name !== 'string') {
  40     throw new TypeError('A taskFunctions parameter object key is not a string')
  41   }
  42   if (typeof name === 'string' && name.trim().length === 0) {
  43     throw new TypeError(
  44       'A taskFunctions parameter object key is an empty string'
  45     )
  46   }
  47   if (typeof fn !== 'function') {
  48     throw new TypeError(
  49       'A taskFunctions parameter object value is not a function'
  50     )
  51   }
  52 }
  53
  54 export const checkTaskFunctionName = (name: string): void => {
  55   if (typeof name !== 'string') {
  56     throw new TypeError('name parameter is not a string')
  57   }
  58   if (typeof name === 'string' && name.trim().length === 0) {
  59     throw new TypeError('name parameter is an empty string')
  60   }
  61 }