@tus/server: send Tus-Version in OPTIONS (#675)

* @tus/server: send Tus-Version in OPTIONS

* Add changeset

Author: Murderlon

.changeset/brave-doors-ring.md

@@ -0,0 +1,5 @@
+---
+"@tus/server": patch
+---
+
+Send Tus-Version header in OPTIONS

packages/server/src/handlers/OptionsHandler.ts

@@ -9,18 +9,18 @@ export class OptionsHandler extends BaseHandler {
   async send(req: http.IncomingMessage, res: http.ServerResponse) {
     const maxSize = await this.getConfiguredMaxSize(req, null)
 
+    res.setHeader('Tus-Version', '1.0.0')
+    if (this.store.extensions.length > 0) {
+      res.setHeader('Tus-Extension', this.store.extensions.join(','))
+    }
     if (maxSize) {
       res.setHeader('Tus-Max-Size', maxSize)
     }
 
     const allowedHeaders = [...HEADERS, ...(this.options.allowedHeaders ?? [])]
-
     res.setHeader('Access-Control-Allow-Methods', ALLOWED_METHODS)
     res.setHeader('Access-Control-Allow-Headers', allowedHeaders.join(', '))
     res.setHeader('Access-Control-Max-Age', MAX_AGE)
-    if (this.store.extensions.length > 0) {
-      res.setHeader('Tus-Extension', this.store.extensions.join(','))
-    }
 
     return this.write(res, 204)
   }

packages/server/test/OptionsHandler.test.ts

@@ -7,10 +7,14 @@ import httpMocks from 'node-mocks-http'
 
 import {OptionsHandler} from '../src/handlers/OptionsHandler'
 import {DataStore, ALLOWED_METHODS, ALLOWED_HEADERS, MAX_AGE} from '@tus/utils'
-import {MemoryLocker} from '../src'
+import {MemoryLocker, type ServerOptions} from '../src'
 
 describe('OptionsHandler', () => {
-  const options = {path: '/test/output', locker: new MemoryLocker()}
+  const options: ServerOptions = {
+    path: '/test/output',
+    locker: new MemoryLocker(),
+    maxSize: 1024,
+  }
   const store = new DataStore()
   const handler = new OptionsHandler(store, options)
 
@@ -27,6 +31,8 @@ describe('OptionsHandler', () => {
       'Access-Control-Allow-Methods': ALLOWED_METHODS,
       'Access-Control-Allow-Headers': ALLOWED_HEADERS,
       'Access-Control-Max-Age': MAX_AGE,
+      'Tus-Version': '1.0.0',
+      'Tus-Max-Size': 1024,
     }
     await handler.send(req, res)
     // eslint-disable-next-line guard-for-in