Add husky and lint-staged

Author: mstuart

.eslintrc.json

@@ -1,5 +1,11 @@
 {
-  "extends": "eslint:recommended",
+  "extends": [
+    "eslint:recommended",
+    "prettier/babel",
+    "prettier/flowtype",
+    "prettier/unicorn"
+  ],
+  "plugins": ["prettier"],
   "env": {
     "browser": true,
     "es2020": true,
@@ -15,7 +21,7 @@
   },
   "ignorePatterns": ["dist/*.js", "**/build/*"],
   "rules": {
-    "indent": ["error", 4],
+    "prettier/prettier": "error",
     "semi": ["error", "always"]
   }
 }

package.json

@@ -13,7 +13,7 @@
     "prettier": "prettier . --write",
     "start": "node src/app/server",
     "start:dev": "webpack-dev-server --config webpack.conf.js",
-    "test": "npm test"
+    "test": " "
   },
   "repository": {
     "type": "git",
@@ -36,6 +36,10 @@
     "@babel/preset-react": "^7.10.4",
     "babel-loader": "^8.1.0",
     "eslint": "^7.4.0",
+    "eslint-config-prettier": "^6.11.0",
+    "eslint-plugin-prettier": "^3.1.4",
+    "husky": "^4.2.5",
+    "lint-staged": "^10.2.11",
     "prettier": "^2.0.5",
     "webpack": "^4.43.0",
     "webpack-cli": "^3.3.12",
@@ -51,5 +55,17 @@
     "react-router-dom": "^5.2.0",
     "request": "^2.81.0",
     "zalgo-promise": "^1.0.38"
+  },
+  "lint-staged": {
+    "@(src)/**/*.js": [
+      "prettier --write",
+      "eslint --fix",
+      "git add"
+    ]
+  },
+  "husky": {
+    "hooks": {
+      "pre-commit": "lint-staged && npm test"
+    }
   }
 }