Add type check to npm scripts (#4631)

.github/workflows/test.yml

@@ -46,11 +46,7 @@ jobs:
       # Tests in apps/ are typechecked when their app is built, so we just do it here for libs/
       # See https://bitwarden.atlassian.net/browse/EC-497
       - name: Run typechecking
-        run: |
-          for p in libs/**/tsconfig.spec.json; do
-            echo "Typechecking $p"
-            npx tsc --noEmit --project $p
-          done
+        run: npm run test:types
 
       - name: Run tests
         run: npm run test

package.json

@@ -21,6 +21,7 @@
     "test": "jest",
     "test:watch": "jest --clearCache && jest --watch",
     "test:watch:all": "jest --watchAll",
+    "test:types": "for p in libs/**/tsconfig.spec.json; do  echo \"Typechecking $p\"; tsc --noEmit --project $p; done",
     "docs:json": "compodoc -p ./tsconfig.json -e json -d .",
     "storybook": "npm run docs:json && start-storybook -p 6006",
     "build-storybook": "npm run docs:json && build-storybook",