Results of running ts-prune.

package.json

@@ -70,12 +70,14 @@
     "rollup-plugin-typescript2": "^0.33.0",
     "rollup-plugin-visualizer": "^5.8.2",
     "sass": "^1.54.9",
+    "ts-prune": "^0.10.3",
     "typescript": "^4.8.3"
   },
   "scripts": {
     "start": "rollup -c --watch",
     "build": "yarn run lint && yarn run rollup",
     "lint": "eslint 'src/**/*.ts'",
-    "rollup": "rollup -c"
+    "rollup": "rollup -c",
+    "prune": "ts-prune"
   }
 }