Only run type tests for node >= 12

Author: timfish

packages/nextjs/package.json

@@ -67,7 +67,7 @@
     "test:all": "run-s test:unit test:integration",
     "test:unit": "jest",
     "test:integration": "test/run-integration-tests.sh && yarn test:types",
-    "test:types": "cd test/types/ && yarn && tsc",
+    "test:types": "cd test/types && yarn test",
     "test:watch": "jest --watch",
     "vercel:branch": "source vercel/set-up-branch-for-test-app-use.sh",
     "vercel:project": "source vercel/make-project-use-current-branch.sh"

packages/nextjs/test/types/package.json

@@ -1,5 +1,8 @@
 {
-  "description": "This is only used to install the nextjs v12 package so we can test against those types",
+  "description": "This is used to install the nextjs v12 so we can test against those types",
+  "scripts": {
+    "test": "ts-node test.ts"
+  },
   "dependencies": {
     "next": "12.3.1"
   }

packages/nextjs/test/types/test.ts

@@ -0,0 +1,12 @@
+/* eslint-disable no-console */
+import { parseSemver } from '@sentry/utils';
+import { execSync } from 'child_process';
+
+const NODE_VERSION = parseSemver(process.versions.node);
+
+if (NODE_VERSION.major && NODE_VERSION.major >= 12) {
+  console.log('Installing next@v12...');
+  execSync('yarn install', { stdio: 'inherit' });
+  console.log('Testing some types...');
+  execSync('tsc --noEmit --project tsconfig.json', { stdio: 'inherit' });
+}