Commit | Line | Data |
---|---|---|
66a7748d | 1 | import { BroadcastChannel } from 'node:worker_threads' |
32de5a57 | 2 | |
6c1761d4 | 3 | import type { |
852a4c5f JB |
4 | BroadcastChannelRequest, |
5 | BroadcastChannelResponse, | |
268a74bb | 6 | JsonType, |
d1f5bfd8 | 7 | MessageEvent, |
66a7748d | 8 | } from '../../types/index.js' |
0749233f | 9 | |
4c3f6c20 | 10 | import { logger, logPrefix, validateUUID } from '../../utils/index.js' |
5dea4c94 | 11 | |
66a7748d | 12 | const moduleName = 'WorkerBroadcastChannel' |
4e3ff94d | 13 | |
268a74bb | 14 | export abstract class WorkerBroadcastChannel extends BroadcastChannel { |
0749233f JB |
15 | private readonly logPrefix = (modName: string, methodName: string): string => { |
16 | return logPrefix(` Worker Broadcast Channel | ${modName}.${methodName}:`) | |
4e3ff94d | 17 | } |
02a6943a | 18 | |
0749233f JB |
19 | protected constructor () { |
20 | super('worker') | |
02a6943a | 21 | } |
6c8f5d90 | 22 | |
66a7748d JB |
23 | protected isRequest (message: JsonType[]): boolean { |
24 | return Array.isArray(message) && message.length === 3 | |
6c8f5d90 JB |
25 | } |
26 | ||
66a7748d JB |
27 | protected isResponse (message: JsonType[]): boolean { |
28 | return Array.isArray(message) && message.length === 2 | |
6c8f5d90 | 29 | } |
852a4c5f | 30 | |
0749233f JB |
31 | protected sendResponse (response: BroadcastChannelResponse): void { |
32 | this.postMessage(response) | |
33 | } | |
34 | ||
35 | protected validateMessageEvent (messageEvent: MessageEvent): false | MessageEvent { | |
66a7748d | 36 | if (!Array.isArray(messageEvent.data)) { |
5dea4c94 | 37 | logger.error( |
44eb6026 JB |
38 | `${this.logPrefix( |
39 | moduleName, | |
66a7748d JB |
40 | 'validateMessageEvent' |
41 | )} Worker broadcast channel protocol message event data is not an array` | |
42 | ) | |
43 | return false | |
5dea4c94 | 44 | } |
66a7748d | 45 | if (!validateUUID(messageEvent.data[0])) { |
5dea4c94 | 46 | logger.error( |
44eb6026 JB |
47 | `${this.logPrefix( |
48 | moduleName, | |
66a7748d JB |
49 | 'validateMessageEvent' |
50 | )} Worker broadcast channel protocol message event data UUID field is invalid` | |
51 | ) | |
52 | return false | |
852a4c5f | 53 | } |
66a7748d | 54 | return messageEvent |
852a4c5f | 55 | } |
5dea4c94 | 56 | |
0749233f JB |
57 | public sendRequest (request: BroadcastChannelRequest): void { |
58 | this.postMessage(request) | |
66a7748d | 59 | } |
32de5a57 | 60 | } |