feat(evlog): allow to configure request credentials in client transport

Author: MrLightful

apps/docs/content/3.core-concepts/6.client-logging.md

@@ -128,7 +128,8 @@ initLog({
   service: 'web',
   transport: {
     enabled: true,
-    endpoint: '/api/_evlog/ingest',
+    endpoint: '/api/_evlog/ingest', // default
+    credentials: 'same-origin', // default
   },
 })
 ```

apps/docs/content/3.core-concepts/7.configuration.md

@@ -147,6 +147,7 @@ The Nuxt module accepts all global options and middleware options in `nuxt.confi
 | `console` | `boolean` | `true` | Enable/disable browser console output (client-side only) |
 | `transport.enabled` | `boolean` | `false` | Send client logs to the server via API endpoint |
 | `transport.endpoint` | `string` | `'/api/_evlog/ingest'` | Custom transport endpoint |
+| `transport.credentials` | `RequestCredentials` | `'same-origin'` | Fetch credentials mode (`'include'` for cross-origin endpoints) |
 
 See the full [Nuxt configuration](/frameworks/nuxt#configuration).
 

packages/evlog/src/runtime/client/log.ts

@@ -9,6 +9,7 @@ let clientPretty = true
 let clientService = 'client'
 let transportEnabled = false
 let transportEndpoint = '/api/_evlog/ingest'
+let transportCredentials: RequestCredentials = 'same-origin'
 let identityContext: Record<string, unknown> = {}
 
 export function setIdentity(identity: Record<string, unknown>): void {
@@ -27,6 +28,7 @@ export function initLog(options: { enabled?: boolean, console?: boolean, pretty?
   clientService = options.service ?? 'client'
   transportEnabled = options.transport?.enabled ?? false
   transportEndpoint = options.transport?.endpoint ?? '/api/_evlog/ingest'
+  transportCredentials = options.transport?.credentials ?? 'same-origin'
 }
 
 async function sendToServer(event: Record<string, unknown>): Promise<void> {
@@ -38,7 +40,7 @@ async function sendToServer(event: Record<string, unknown>): Promise<void> {
       headers: { 'Content-Type': 'application/json' },
       body: JSON.stringify(event),
       keepalive: true,
-      credentials: 'same-origin',
+      credentials: transportCredentials,
     })
   } catch {
     // Silently fail - don't break the app

packages/evlog/src/types.ts

@@ -73,6 +73,12 @@ export interface TransportConfig {
    * @default '/api/_evlog/ingest'
    */
   endpoint?: string
+
+  /**
+   * Fetch credentials mode
+   * @default 'same-origin'
+   */
+  credentials?: RequestCredentials
 }
 
 /**

packages/evlog/test/client-console.test.ts

@@ -54,6 +54,20 @@ describe('client console option', () => {
     expect(fetchSpy).toHaveBeenCalledTimes(1)
   })
 
+  it('uses custom credentials mode for transport', () => {
+    initLog({
+      enabled: true,
+      console: false,
+      pretty: false,
+      transport: { enabled: true, endpoint: '/api/_evlog/ingest', credentials: 'include' },
+    })
+
+    log.info({ action: 'test' })
+
+    const [, options] = fetchSpy.mock.calls[0]!
+    expect(options?.credentials).toBe('include')
+  })
+
   it('suppresses pretty console output when console is false', () => {
     initLog({ enabled: true, console: false, pretty: true })