.eslintrc.json

{
  "env": {
    "browser": true,
    "es6": true,
    "node": true
  },
  "extends": [
    "eslint:recommended",
    "plugin:react/recommended",
    "prettier",
    "plugin:prettier/recommended"
  ],
  "globals": {
    "Atomics": "readonly",
    "globalThis": "readonly",
    "SharedArrayBuffer": "readonly",
    "PORT": "readonly",
    "SESSION_SECRET": "readonly"
  },
  "parserOptions": {
    "ecmaFeatures": {
      "jsx": true
    },
    "ecmaVersion": 2020,
    "sourceType": "module"
  },
  "plugins": ["react", "json", "prettier"],
  "rules": {
    "indent": [2, 2, { "SwitchCase": 1 }],
    "linebreak-style": ["error", "unix"],
    "semi": ["error", "always"],
    "eol-last": ["error", "always"],
    "no-console": ["error", { "allow": ["warn", "error"] }],
    "no-use-before-define": ["error"],
    "react/display-name": ["off"]
  },
  "settings": {
    "react": {
      "version": "detect"
    }
  }
}