Try to remove unused spec/dummy dependencies

Author: alexeyr

knip.ts

@@ -54,8 +54,11 @@ const config: KnipConfig = {
         '@rescript/react',
         // The Babel plugin fails to detect it
         'babel-plugin-transform-react-remove-prop-types',
-        // Temporary!
-        '.*',
+        // The below dependencies are not detected by the Webpack plugin
+        // due to the config issue.
+        'expose-loader',
+        'imports-loader',
+        'sass-resources-loader',
       ],
     },
   },

spec/dummy/package.json

@@ -7,34 +7,14 @@
   },
   "private": true,
   "dependencies": {
-    "@babel/core": "7.17.9",
-    "@babel/plugin-transform-runtime": "7.17.0",
-    "@babel/preset-env": "7",
-    "@babel/preset-react": "^7.10.4",
-    "@babel/runtime": "7.17.9",
     "@hotwired/turbo-rails": "^8.0.4",
-    "@rescript/react": "^0.13.0",
-    "babel-loader": "8.2.4",
-    "babel-plugin-macros": "^3.1.0",
-    "babel-plugin-module-resolver": "^4.0.0",
-    "babel-plugin-transform-react-remove-prop-types": "^0.4.24",
-    "compression-webpack-plugin": "9",
     "core-js": "3",
     "create-react-class": "^15.6.3",
-    "css-loader": "^6.5.1",
-    "css-minimizer-webpack-plugin": "^3.1.3",
     "expose-loader": "^1.0.3",
-    "file-loader": "^6.2.0",
-    "history": "^4.6.3",
     "imports-loader": "^1.2.0",
     "jquery": "^3.5.1",
     "jquery-ujs": "^1.2.2",
-    "loader-utils": "^2.0.0",
     "lodash": "^4.17.4",
-    "mini-css-extract-plugin": "^2.4.4",
-    "node-libs-browser": "^2.2.1",
-    "nps": "^5.10.0",
-    "null-loader": "^4.0.0",
     "prop-types": "^15.7.2",
     "react": "^19.0.0",
     "react-dom": "^19.0.0",
@@ -45,27 +25,31 @@
     "redux": "^4.0.1",
     "redux-thunk": "^2.2.0",
     "regenerator-runtime": "^0.13.4",
-    "rescript": "^11.1.4",
-    "resolve-url-loader": "^3.1.1",
-    "sass": "^1.43.4",
-    "sass-loader": "^12.3.0",
-    "sass-resources-loader": "^2.1.0",
-    "shakapacker": "8.0.0",
-    "style-loader": "^3.3.1",
-    "terser-webpack-plugin": "5.3.1",
-    "url-loader": "^4.0.0",
-    "webpack": "5.72.0",
-    "webpack-assets-manifest": "5",
-    "webpack-cli": "4",
-    "webpack-merge": "5"
+    "sass-resources-loader": "^2.1.0"
   },
   "devDependencies": {
+    "@babel/core": "7.17.9",
+    "@babel/plugin-transform-runtime": "7.17.0",
+    "@babel/preset-env": "7",
+    "@babel/preset-react": "^7.10.4",
+    "@babel/runtime": "7.17.9",
     "@pmmmwh/react-refresh-webpack-plugin": "^0.5.1",
+    "@rescript/react": "^0.13.0",
     "@types/react": "^19.0.0",
     "@types/react-dom": "^19.0.0",
     "@types/react-helmet": "^6.1.5",
+    "babel-loader": "8.2.4",
+    "babel-plugin-transform-react-remove-prop-types": "^0.4.24",
+    "compression-webpack-plugin": "9",
     "react-refresh": "^0.11.0",
-    "webpack-dev-server": "^4.9.0"
+    "rescript": "^11.1.4",
+    "shakapacker": "8.0.0",
+    "terser-webpack-plugin": "5.3.1",
+    "webpack": "5.72.0",
+    "webpack-assets-manifest": "5",
+    "webpack-cli": "4",
+    "webpack-dev-server": "^4.9.0",
+    "webpack-merge": "5"
   },
   "browser": {
     "fs": false