Add ESLint

.eslintrc.js

@@ -0,0 +1,6 @@
+module.exports = {
+  root: true,
+  parser: "@typescript-eslint/parser",
+  plugins: ["@typescript-eslint"],
+  extends: ["eslint:recommended", "plugin:@typescript-eslint/recommended"],
+};

.vscode/settings.json

@@ -0,0 +1,5 @@
+{
+  "eslint.options": {
+    "ignorePattern": ".eslintrc.js"
+  }
+}

package.json

@@ -15,6 +15,7 @@
     "migration:apply:prod": "npx prisma migrate deploy",
     "seed": "node --experimental-specifier-resolution=node --loader ts-node/esm -r tsconfig-paths/register prisma/seed",
     "seed:reset": "npx prisma migrate reset --force --skip-generate",
+    "lint:ts": "eslint . --ext .ts,.tsx",
     "lint:styles": "stylelint \"app/styles/**/*.css\"",
     "prettier:check": "prettier --check .",
     "typecheck": "tsc --noEmit",
@@ -59,8 +60,11 @@
     "@types/react": "^17.0.38",
     "@types/react-dom": "^17.0.11",
     "@types/uuid": "^8.3.3",
+    "@typescript-eslint/eslint-plugin": "^5.9.0",
+    "@typescript-eslint/parser": "^5.9.0",
     "concurrently": "^6.5.1",
     "cypress": "^9.2.0",
+    "eslint": "^8.6.0",
     "prettier": "2.5.1",
     "prisma": "^3.7.0",
     "stylelint": "^14.2.0",