.eslintrc.json

{
  "env": {
    "browser": true,
    "es2022": true,
    "jest": true,
    "node": true
  },
  "extends": [
    "eslint:recommended",
    "plugin:react/recommended",
    "prettier",
    "plugin:react-hooks/recommended",
    "plugin:jest/recommended",
    "plugin:jest-dom/recommended"
  ],
  "parser": "@babel/eslint-parser",
  "plugins": ["@babel", "jest", "react", "react-hooks", "testing-library"],
  "settings": {
    "react": {
      "version": "detect"
    }
  },
  "overrides": [
    {
      "files": ["**/*.mjs"],
      "parserOptions": {
        "babelOptions": {
          "parserOpts": {
            "plugins": ["importAssertions"]
          }
        }
      }
    },
    {
      "files": [
        "**/__tests__/**/*.[jt]s?(x)",
        "**/?(*.)+(spec|test).[jt]s?(x)"
      ],
      "extends": ["plugin:testing-library/react"]
    },
    {
      "files": ["**/*.ts?(x)"],
      "parser": "@typescript-eslint/parser",
      "parserOptions": {
        "tsconfigRootDir": ".",
        "project": ["./tsconfig.json"]
      },
      "extends": [
        "eslint:recommended",
        "plugin:@typescript-eslint/eslint-recommended",
        "plugin:@typescript-eslint/recommended",
        "plugin:@typescript-eslint/recommended-requiring-type-checking"
      ],
      "rules": {
        "@typescript-eslint/no-unused-vars": [
          "error",
          {
            "varsIgnorePattern": "^_",
            "argsIgnorePattern": "^_"
          }
        ],
        "@typescript-eslint/unbound-method": "off",
        "jest/unbound-method": "error",
        "react/react-in-jsx-scope": "off"
      }
    }
  ]
}