client: Add type-check command

Author: jtojnar

client/package.json

@@ -65,9 +65,10 @@
     "fix:js:lint": "npm run check:js:lint -- --fix",
     "fix:js:prettify": "npm run check:js:prettify -- --write",
     "check": "npm run check:js && npm run check:styles",
-    "check:js": "npm run check:js:prettify && npm run check:js:lint",
+    "check:js": "npm run check:js:prettify && npm run check:js:lint && npm run check:js:type",
     "check:js:lint": "eslint",
     "check:js:prettify": "prettier '**.{tsx,ts,js}' --check",
+    "check:js:type": "tsc --noEmit",
     "check:styles": "npm run check:styles:lint && npm run check:styles:prettify",
     "check:styles:lint": "stylelint styles/*.scss",
     "check:styles:prettify": "prettier styles/*.scss --check",