.eslintrc.json

{
  // Parser to make ESLint able to parse TS files.
  "parser": "@typescript-eslint/parser",
  // Bunch of rules.
  "plugins": ["@typescript-eslint", "jest", "jsx-a11y", "testing-library", "jest-dom"],
  // Rules to be used.
  "extends": [
    "eslint:recommended",
    "plugin:jsx-a11y/recommended",
    "plugin:testing-library/react",
    // Helper for testing-library.
    "plugin:jest-dom/recommended",
    "plugin:jest/recommended",
    "plugin:@typescript-eslint/recommended",
    // Need to be last or almost.
    "next/core-web-vitals",
    // Priority on prettier to be last and potentially override other rules.
    "plugin:prettier/recommended"
  ],
  // Customize rules.
  "rules": {
    "prettier/prettier": [
      "error",
      {
        "trailingComma": "all",
        "semi": false,
        "printWidth": 120
      }
    ],
    "jsx-a11y/anchor-is-valid": "off",
    "no-console": "warn",
    "@typescript-eslint/ban-ts-comment": "warn"

  }
}