.eslintrc.json

{
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "project": "./tsconfig.json",
    "ecmaFeatures": {
      "jsx": true
    },
    "ecmaVersion": 2018,
    "sourceType": "module"
  },
  "plugins": ["@typescript-eslint", "simple-import-sort", "strict-booleans"],
  "extends": [
    "prettier",
    "prettier/react",
    "react-app",
    "eslint:recommended",
    "plugin:react/recommended",
    "prettier/@typescript-eslint",
    "plugin:@typescript-eslint/eslint-recommended",
    "plugin:@typescript-eslint/recommended"
  ],
  "rules": {
    "@typescript-eslint/explicit-function-return-type": "off",
    "@typescript-eslint/explicit-member-accessibility": "off",
    "@typescript-eslint/no-explicit-any": "off",
    "@typescript-eslint/no-unused-vars": "off",
    "@typescript-eslint/no-submodule-imports": "off",
    "@typescript-eslint/no-unused-expressions": "warn",
    "@typescript-eslint/jsx-no-lambda": "off",
    "@typescript-eslint/prefer-interface": "off",
    "@typescript-eslint/interface-name-prefix": "off",
    "@typescript-eslint/camelcase": "off",
    "react/no-unescaped-entities": "off",
    "react/prop-types": "off",
    "simple-import-sort/sort": "warn",
    "no-console": "off",
    "strict-booleans/no-nullable-numbers": "error",
    "sort-keys": "off",
    "sort-imports": "off"
  },
  "env": {
    "browser": true,
    "es6": true
  }
}