src/charging-station/ChargingStationWorker.ts

   1 // Partial Copyright Jerome Benoit. 2021-2024. All Rights Reserved.
   2
   3 import { parentPort } from 'node:worker_threads'
   4
   5 import { ThreadWorker } from 'poolifier'
   6
   7 import { BaseError } from '../exception/index.js'
   8 import type { ChargingStationInfo, ChargingStationWorkerData } from '../types/index.js'
   9 import { Configuration } from '../utils/index.js'
  10 import { type WorkerDataError, type WorkerMessage, WorkerMessageEvents } from '../worker/index.js'
  11 import { ChargingStation } from './ChargingStation.js'
  12
  13 export let chargingStationWorker: object
  14 if (Configuration.workerPoolInUse()) {
  15   chargingStationWorker = new ThreadWorker<
  16   ChargingStationWorkerData,
  17   ChargingStationInfo | undefined
  18   >((data?: ChargingStationWorkerData): ChargingStationInfo | undefined => {
  19     // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
  20     const { index, templateFile, options } = data!
  21     return new ChargingStation(index, templateFile, options).stationInfo
  22   })
  23 } else {
  24   // eslint-disable-next-line @typescript-eslint/no-extraneous-class
  25   class ChargingStationWorker<Data extends ChargingStationWorkerData> {
  26     constructor () {
  27       parentPort?.on('message', (message: WorkerMessage<Data>) => {
  28         const { uuid, event, data } = message
  29         switch (event) {
  30           case WorkerMessageEvents.addWorkerElement:
  31             try {
  32               const chargingStation = new ChargingStation(
  33                 data.index,
  34                 data.templateFile,
  35                 data.options
  36               )
  37               parentPort?.postMessage({
  38                 uuid,
  39                 event: WorkerMessageEvents.addedWorkerElement,
  40                 // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
  41                 data: chargingStation.stationInfo!
  42               } satisfies WorkerMessage<ChargingStationInfo>)
  43             } catch (error) {
  44               parentPort?.postMessage({
  45                 uuid,
  46                 event: WorkerMessageEvents.workerElementError,
  47                 data: {
  48                   event,
  49                   name: (error as Error).name,
  50                   message: (error as Error).message,
  51                   stack: (error as Error).stack
  52                 }
  53               } satisfies WorkerMessage<WorkerDataError>)
  54             }
  55             break
  56           default:
  57             throw new BaseError(
  58               `Unknown worker event: '${event}' received with data: '${JSON.stringify(
  59                 data,
  60                 undefined,
  61                 2
  62               )}'`
  63             )
  64         }
  65       })
  66     }
  67   }
  68   chargingStationWorker = new ChargingStationWorker<ChargingStationWorkerData>()
  69 }