✨ Add Linter

Author: yona3

.eslintrc.js

@@ -0,0 +1,23 @@
+module.exports = {
+  env: {
+    es2021: true,
+    node: true,
+  },
+  extends: [
+    "eslint:recommended",
+    "plugin:@typescript-eslint/recommended",
+    "prettier",
+  ],
+  parser: "@typescript-eslint/parser",
+  parserOptions: {
+    ecmaVersion: 12,
+    sourceType: "module",
+  },
+  plugins: ["@typescript-eslint"],
+  rules: {
+    "@typescript-eslint/no-unused-vars": [
+      2,
+      { args: "all", argsIgnorePattern: "^_" },
+    ],
+  },
+};

.prettierrc.js

@@ -0,0 +1,4 @@
+module.exports = {
+  semi: true,
+  singleQuote: false
+}

.prettierrc.json

@@ -22,6 +22,15 @@
   "dependencies": {
     "@prisma/client": "^2.24.1",
     "express": "^4.17.1",
-    "prisma": "^2.24.1"
+    "prisma": "^2.24.1",
+    "@typescript-eslint/eslint-plugin": "^4.22.0",
+    "@typescript-eslint/parser": "^4.22.0",
+    "eslint": "^7.24.0",
+    "eslint-config-prettier": "^8.2.0",
+    "eslint-config-standard": "^16.0.2",
+    "eslint-plugin-import": "^2.22.1",
+    "eslint-plugin-node": "^11.1.0",
+    "eslint-plugin-promise": "^5.1.0",
+    "prettier": "^2.2.1"
   }
 }