test: add test deps

Author: yyx990803

Diff for: package.json

@@ -39,22 +39,31 @@
     "source-map": "^0.6.1"
   },
   "devDependencies": {
+    "@babel/core": "^7.7.7",
+    "@babel/preset-env": "^7.7.7",
     "@types/hash-sum": "^1.0.0",
-    "@types/jest": "^24.0.24",
     "@types/loader-utils": "^1.1.3",
     "@types/webpack": "^4.41.0",
+    "babel-loader": "^8.0.6",
     "css-loader": "^3.3.2",
     "file-loader": "^5.0.2",
     "jest": "^24.9.0",
     "lint-staged": "^9.5.0",
+    "memory-fs": "^0.5.0",
     "mini-css-extract-plugin": "^0.8.0",
+    "normalize-newline": "^3.0.0",
     "prettier": "^1.19.1",
+    "pug": "^2.0.4",
+    "pug-plain-loader": "^1.0.0",
+    "stylus": "^0.54.7",
+    "stylus-loader": "^3.0.2",
     "ts-jest": "^24.2.0",
     "typescript": "^3.7.3",
     "url-loader": "^3.0.0",
     "webpack": "^4.41.2",
     "webpack-cli": "^3.3.10",
     "webpack-dev-server": "^3.9.0",
+    "webpack-merge": "^4.2.2",
     "yorkie": "^2.0.0"
   }
 }