Fix: prevent middleware log errors (#78)

* add vercel to gitignore

* chore: update unleash dependencies

* fix: prevent flags client errors

.gitignore

@@ -32,4 +32,7 @@ yarn-error.log*
 # turbo
 .turbo
 
-.idea
+.idea
+
+# vercel
+.vercel

lib/package.json

@@ -36,7 +36,7 @@
     "@types/react": "18.2.63",
     "@types/react-dom": "18.2.19",
     "@types/semver": "7.5.8",
-    "@unleash/client-specification": "5.1.4",
+    "@unleash/client-specification": "5.1.6",
     "@vitest/coverage-v8": "^1.3.1",
     "eslint-config-custom": "workspace:*",
     "next": "14.1.2",
@@ -50,12 +50,12 @@
   "dependencies": {
     "@commander-js/extra-typings": "12.0.1",
     "@next/env": "14.1.2",
-    "@unleash/proxy-client-react": "4.2.3",
+    "@unleash/proxy-client-react": "4.2.4",
     "commander": "12.0.0",
     "murmurhash3js": "3.0.1",
     "semver": "7.6.0",
-    "unleash-client": "5.5.1",
-    "unleash-proxy-client": "3.4.0"
+    "unleash-client": "5.5.3",
+    "unleash-proxy-client": "3.4.1"
   },
   "peerDependencies": {
     "next": ">=12",

lib/src/flagsClient.ts

@@ -8,6 +8,8 @@ export const flagsClient = (toggles = [] as IToggle[]) => {
   const client = new UnleashClient({
     bootstrap: toggles,
     ...getDefaultClientConfig(),
+    fetch: () => null,
+    createAbortController: () => null,
     refreshInterval: 0,
     disableRefresh: true,
     bootstrapOverride: true,