Prepare for fastify v5

Author: jonnydgreen

index.js

@@ -39,7 +39,7 @@ const plugin = fp(
   },
   {
     name: 'mercurius-auth',
-    fastify: '4.x',
+    fastify: '5.x',
     dependencies: ['mercurius']
   }
 )

lib/filter-schema.js

@@ -12,9 +12,9 @@ function filterIntrospectionSchema (app, policy, { applyPolicy: policyFunction }
 
     // the filter hook must be the last one to be executed (after all the authContextHook ones)
     app.ready(err => {
-      /* istanbul ignore next */
-      if (err) throw err
-      app.graphql.addHook('preExecution', filterGraphQLSchemaHook.bind(app))
+      if (!err) {
+        app.graphql.addHook('preExecution', filterGraphQLSchemaHook.bind(app))
+      }
     })
   }
 

package.json

@@ -30,17 +30,17 @@
   },
   "homepage": "https://github.com/mercurius-js/auth",
   "devDependencies": {
-    "@mercuriusjs/federation": "^2.0.0",
-    "@mercuriusjs/gateway": "^1.0.0",
+    "@mercuriusjs/federation": "^4.0.0",
+    "@mercuriusjs/gateway": "^4.0.0",
     "@sinonjs/fake-timers": "^10.0.2",
     "@types/node": "^20.1.0",
     "@types/ws": "^8.5.3",
     "@typescript-eslint/eslint-plugin": "^5.30.5",
     "@typescript-eslint/parser": "^5.30.5",
     "autocannon": "^7.9.0",
     "concurrently": "^8.0.1",
-    "fastify": "^4.2.0",
-    "mercurius": "^13.0.0",
+    "fastify": "^5.0.0-alpha.4",
+    "mercurius": "^15.0.0",
     "pre-commit": "^1.2.2",
     "snazzy": "^9.0.0",
     "standard": "^17.0.0",
@@ -50,8 +50,8 @@
     "wait-on": "^7.0.1"
   },
   "dependencies": {
-    "@fastify/error": "^3.0.0",
-    "fastify-plugin": "^4.0.0",
+    "@fastify/error": "^4.0.0",
+    "fastify-plugin": "^5.0.0",
     "graphql": "^16.2.0"
   },
   "tsd": {

test/auth_on_type-gateway.js

@@ -345,32 +345,6 @@ test('gateway - should protect the schema, user object protected', async (t) =>
           '0'
         ]
       },
-      {
-        message: 'Failed auth policy check on User',
-        locations: [
-          {
-            line: 2,
-            column: 3
-          }
-        ],
-        path: [
-          '_entities',
-          '1'
-        ]
-      },
-      {
-        message: 'Failed auth policy check on User',
-        locations: [
-          {
-            line: 2,
-            column: 3
-          }
-        ],
-        path: [
-          '_entities',
-          '0'
-        ]
-      },
       {
         message: 'Failed auth policy check on User',
         locations: [