precommit hooks

package.json

@@ -10,15 +10,9 @@
     "test": "jest --no-cache",
     "test:watch": "jest --no-cache --watch",
     "typecheck": "tsc",
-    "eslint": "eslint services/**/*.js src/**/*.js utils/**/*.js config/**/*.js constants/**/*.js",
     "lint": "eslint \"services/gunDB/**/*.js\"",
     "format": "prettier --write \"./**/*.js\""
   },
-  "husky": {
-    "hooks": {
-      "precommit": "eslint"
-    }
-  },
   "author": "",
   "license": "ISC",
   "dependencies": {
@@ -40,7 +34,7 @@
     "graphviz": "0.0.8",
     "grpc": "^1.21.1",
     "gun": "git://github.com/amark/gun#c59e0e95f92779ce6bb3aab823d318bc16b20c33",
-    "husky": "^3.0.9",
+    "husky": "^4.2.5",
     "jsonfile": "^4.0.0",
     "jsonwebtoken": "^8.3.0",
     "localtunnel": "^1.9.0",
@@ -77,9 +71,21 @@
     "eslint-plugin-jest": "^22.20.1",
     "eslint-plugin-prettier": "^3.1.1",
     "jest": "^24.9.0",
+    "lint-staged": "^10.2.2",
     "nodemon": "^1.19.3",
     "prettier": "^1.18.2",
     "ts-type": "^1.2.16",
     "typescript": "^3.6.3"
+  },
+  "lint-staged": {
+    "*.{js,ts}": [
+      "prettier --check",
+      "eslint"
+    ]
+  },
+  "husky": {
+    "hooks": {
+      "pre-commit": "yarn lint && yarn typecheck && yarn lint-staged"
+    }
   }
 }