Merge pull request #975 from bogeychan/bogey/945

fix: await nested async plugins

Author: SaltyAom

src/index.ts

@@ -3597,6 +3597,15 @@ export default class Elysia<
 			}
 
 			return instance
+		} else if (plugin.promisedModules.size > 0) {
+			for (const promise of plugin.promisedModules.promises)
+				this.promisedModules.add(promise)
+
+			this.promisedModules
+				.then(() => this._use(plugin))
+				.then((x) => x.compile())
+
+			return this
 		}
 
 		const { name, seed } = plugin.config

test/plugins/plugin.test.ts

@@ -0,0 +1,24 @@
+import { Elysia } from '../../src'
+
+import { describe, expect, it } from 'bun:test'
+import { req } from '../utils'
+
+describe('Plugin', () => {
+	it('await async nested plugin', async () => {
+		const yay = async () => {
+			await Bun.sleep(1_000)
+
+			return new Elysia({ name: 'yay' }).get('/yay', 'yay')
+		}
+
+		const wrapper = new Elysia({ name: 'wrapper' }).use(yay())
+
+		const app = new Elysia().use(wrapper)
+
+		await app.modules
+
+		const response = await app.handle(req('/yay'))
+
+		expect(response.status).toBe(200)
+	})
+})