Fix plugin unregister: unload all modules.

package-lock.json

@@ -1136,6 +1136,12 @@
         "get-intrinsic": "^1.0.2"
       }
     },
+    "callsite": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/callsite/-/callsite-1.0.0.tgz",
+      "integrity": "sha1-KAOY5dZkvXQDi28JBRU+borxvCA=",
+      "dev": true
+    },
     "callsites": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/callsites/-/callsites-3.1.0.tgz",
@@ -1554,6 +1560,15 @@
         "ms": "2.0.0"
       }
     },
+    "decache": {
+      "version": "4.6.0",
+      "resolved": "https://registry.npmjs.org/decache/-/decache-4.6.0.tgz",
+      "integrity": "sha512-PppOuLiz+DFeaUvFXEYZjLxAkKiMYH/do/b/MxpDe/8AgKBi5GhZxridoVIbBq72GDbL36e4p0Ce2jTGUwwU+w==",
+      "dev": true,
+      "requires": {
+        "callsite": "^1.0.0"
+      }
+    },
     "decamelize": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/decamelize/-/decamelize-1.2.0.tgz",

package.json

@@ -31,6 +31,7 @@
     "@typescript-eslint/eslint-plugin": "^4.21.0",
     "@typescript-eslint/parser": "^4.21.0",
     "converse.js": "^7.0.5",
+    "decache": "^4.6.0",
     "eslint": "^7.20.0",
     "eslint-config-standard": "^16.0.2",
     "eslint-config-standard-with-typescript": "^20.0.0",

server/main.ts

@@ -1,5 +1,9 @@
 import { initSettings } from './lib/settings'
 import { initRouters } from './lib/routers'
+import type { Logger } from 'winston'
+
+const decache = require('decache')
+let logger: Logger | undefined
 
 async function register ({
   registerSetting,
@@ -7,6 +11,8 @@ async function register ({
   getRouter,
   peertubeHelpers
 }: RegisterServerOptions): Promise<any> {
+  logger = peertubeHelpers.logger
+
   await initSettings({ registerSetting })
   await initRouters({
     settingsManager,
@@ -16,6 +22,10 @@ async function register ({
 }
 
 async function unregister (): Promise<any> {
+  const module = __filename
+  logger?.info(`Unloading module ${module}...`)
+  decache(module)
+  logger?.info(`Successfully unloaded the module ${module}`)
 }
 
 module.exports = {