JavaScript (v3): Add compile step to tests for TS type checks.

Author: cpyle0819

javascriptv3/example_code/cognito-identity-provider/scenarios/cognito-developer-guide-react-example/frontend-client/package.json

@@ -5,6 +5,7 @@
   "type": "module",
   "scripts": {
     "dev": "vite --host 0.0.0.0",
+    "compile": "tsc",
     "build": "tsc && vite build",
     "preview": "vite preview"
   },

javascriptv3/package.json

@@ -2,7 +2,8 @@
   "name": "root",
   "private": true,
   "scripts": {
-    "test": "npm run test --workspaces --if-present -- --silent",
+    "compile": "npm run compile --workspaces --if-present",
+    "test": "npm run compile && npm run test --workspaces --if-present -- --silent",
     "integration-test": "npm run integration-test --workspaces --if-present -- --silent; exit_code=$?; npm run merge-test-results; npm run log-tests; exit ${exit_code:-99}",
     "merge-test-results": "jrm test-results.xml \"**/test_results/**/*.junit.xml\"",
     "log-tests": "cat test-results.xml",