Change endpoints.logout to nullable

Add redirect_uri in logout route

src/module.ts

@@ -12,7 +12,7 @@ export interface ModuleOptions {
   endpoints: {
     authorization: string,
     userInfo: string,
-    logout: string
+    logout: string | null
   },
   clientId: string,
   scope: string[]
@@ -28,7 +28,7 @@ const defaults: ModuleOptions = {
   endpoints: {
     authorization: 'https://accounts.bitinflow.com/oauth/authorize',
     userInfo: `https://accounts.bitinflow.com/api/v3/user`,
-    logout: 'https://accounts.bitinflow.com/logout'
+    logout: null,
   },
   clientId: 'please-set-client-id',
   scope: ['user:read']

src/runtime/composables/useAuth.ts

@@ -45,7 +45,17 @@ export default async (options: ComposableOptions = {
     accessToken.value = null;
     user.value = null;
 
-    return navigateTo(authConfig.endpoints.logout || authConfig.redirect.logout)
+    if (authConfig.endpoints.logout) {
+      // create oauth logout url
+      const params = new URLSearchParams({
+        client_id: authConfig.clientId,
+        redirect_uri: window.location.origin + authConfig.redirect.logout
+      })
+
+      window.location.href = `${authConfig.endpoints.logout}?${params.toString()}`
+    }
+
+    return navigateTo(authConfig.redirect.logout)
   }
 
   const setBearer = async (token: string, tokenType: string, expires: number) => {