Commit | Line | Data |
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a449b585 | 1 | import type { TransferListItem } from 'node:worker_threads' |
3b311539 | 2 | import { DynamicThreadPool, availableParallelism } from 'poolifier' |
ef083f7b | 3 | import type { FastifyPluginCallback } from 'fastify' |
3b311539 JB |
4 | import fp from 'fastify-plugin' |
5 | import { | |
6 | type FastifyPoolifierOptions, | |
7 | type ThreadWorkerData, | |
8 | type ThreadWorkerResponse | |
9 | } from './types.js' | |
10 | ||
11 | const fastifyPoolifierPlugin: FastifyPluginCallback<FastifyPoolifierOptions> = ( | |
12 | fastify, | |
13 | options, | |
14 | done | |
15 | ) => { | |
16 | options = { | |
17 | ...{ | |
18 | minWorkers: 1, | |
19 | maxWorkers: availableParallelism() | |
20 | }, | |
21 | ...options | |
22 | } | |
30369cc0 | 23 | const { workerFile, minWorkers, maxWorkers, ...poolOptions } = options |
3b311539 | 24 | const pool = new DynamicThreadPool<ThreadWorkerData, ThreadWorkerResponse>( |
30369cc0 JB |
25 | minWorkers as number, |
26 | maxWorkers as number, | |
27 | workerFile, | |
28 | poolOptions | |
3b311539 JB |
29 | ) |
30 | if (!fastify.hasDecorator('pool')) { | |
31 | fastify.decorate('pool', pool) | |
32 | } | |
33 | if (!fastify.hasDecorator('execute')) { | |
34 | fastify.decorate( | |
35 | 'execute', | |
36 | async ( | |
37 | data?: ThreadWorkerData, | |
38 | name?: string, | |
39 | transferList?: TransferListItem[] | |
40 | ): Promise<ThreadWorkerResponse> => | |
41 | await pool.execute(data, name, transferList) | |
42 | ) | |
43 | } | |
44 | done() | |
45 | } | |
46 | ||
47 | export const fastifyPoolifier = fp(fastifyPoolifierPlugin, { | |
48 | fastify: '4.x', | |
49 | name: 'fastify-poolifier' | |
50 | }) |