Install eslint

.eslintrc.json

@@ -0,0 +1,36 @@
+{
+    "env": {
+        "browser": true,
+        "es2021": true
+    },
+    "extends": [
+        "eslint:recommended",
+        "plugin:@typescript-eslint/recommended"
+    ],
+    "parser": "@typescript-eslint/parser",
+    "parserOptions": {
+        "ecmaVersion": "latest",
+        "sourceType": "module"
+    },
+    "plugins": [
+        "@typescript-eslint"
+    ],
+    "rules": {
+        "indent": [
+            "error",
+            "tab"
+        ],
+        "linebreak-style": [
+            "error",
+            "unix"
+        ],
+        "quotes": [
+            "error",
+            "double"
+        ],
+        "semi": [
+            "error",
+            "always"
+        ]
+    }
+}

package.json

@@ -8,6 +8,7 @@
     "build": "tsc",
     "start": "node ./dist/bot.js",
     "test": "jest --passWithNoTests",
+    "lint": "eslint .",
     "db:up": "typeorm migration:run -d dist/database/dataSources/appDataSource.js",
     "db:down": "typeorm migration:revert -d dist/database/dataSources/appDataSource.js",
     "db:create": "typeorm migration:create ./src/database/migrations/app/new",
@@ -44,6 +45,9 @@
   },
   "devDependencies": {
     "@types/node": "^20.0.0",
+    "@typescript-eslint/eslint-plugin": "^6.16.0",
+    "@typescript-eslint/parser": "^6.16.0",
+    "eslint": "^8.56.0",
     "np": "^9.0.0",
     "typescript": "^5.0.0"
   }