.eslintrc.json

{
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "ecmaVersion": 2020,
    "sourceType": "module",
    "project": "./tsconfig.json"
  },
  "extends": [
    "plugin:import/errors",
    "plugin:import/warnings",
    "plugin:import/typescript",
    "eslint:recommended",
    "plugin:@typescript-eslint/recommended"
  ],
  "settings": {
    "import/parsers": {
      "@typescript-eslint/parser": [".ts", ".tsx"]
    },
    "import/resolver": {
      "typescript": {}
    }
  },
  "plugins": ["@typescript-eslint", "import"],
  "rules": {
    "@typescript-eslint/explicit-function-return-type": "off",
    "@typescript-eslint/explicit-module-boundary-types": "off",
    "@typescript-eslint/camelcase": "off",
    "@typescript-eslint/no-use-before-define": ["error", { "functions": false, "classes": false, "variables": true }],
    "@typescript-eslint/explicit-member-accessibility": "error",
    "@typescript-eslint/ban-ts-comment": "warn",
    "no-console": "warn",
    "@typescript-eslint/no-empty-function": "warn",
    "import/no-cycle": "error",
    "import/order": [
      "error",
      {
        "groups": ["type", ["builtin", "external"], "parent", "sibling", "index"],
        "alphabetize": {
          "order": "asc"
        },
        "newlines-between": "always"
      }
    ],
    "import/no-extraneous-dependencies": ["error"]
  },
  "overrides": [
    {
      "files": ["demo/**"],
      "rules": {
        "import/no-extraneous-dependencies": "off"
      }
    }
  ],
  "globals": {
    "require": true
  }
}