.eslintrc.json

{
  "parserOptions": {
    "ecmaVersion": 2020,
    "sourceType": "module"
  },
  "extends": ["plugin:prettier/recommended"],
  "overrides": [
    {
      "files": ["*.ts"],
      "parser": "@typescript-eslint/parser",
      "extends": [
        "plugin:@typescript-eslint/recommended",
        "plugin:import/typescript"
      ],
      "plugins": ["import"],
      "parserOptions": {
        "project": "tsconfig.json"
      },
      "rules": {
        "@typescript-eslint/explicit-function-return-type": [
          "warn",
          { "allowExpressions": true }
        ],
        "@typescript-eslint/no-explicit-any": "off",
        "@typescript-eslint/no-floating-promises": "error",
        "@typescript-eslint/no-misused-promises": "error",
        "@typescript-eslint/no-unused-vars": [
          "warn",
          { "ignoreRestSiblings": true }
        ],
        "@typescript-eslint/no-use-before-define": [
          "warn",
          { "functions": false }
        ],
        "import/extensions": ["error", "ignorePackages"],
        "import/no-cycle": "error",
        "import/no-extraneous-dependencies": "error",
        "import/no-self-import": "error",
        "curly": "warn"
      }
    }
  ]
}