.eslintrc.json

{
  "root": true,
  "plugins": ["prettier", "@typescript-eslint"],
  "overrides": [
    {
      "files": ["*.ts", "*.tsx", "*.js", "*.jsx"],
      "extends": [
        "plugin:prettier/recommended",
        "plugin:@typescript-eslint/recommended",
        "plugin:@typescript-eslint/recommended-requiring-type-checking"
      ],
      "rules": {
        "no-unused-vars": "off",
        "no-duplicate-imports": "error",
        "no-unused-expressions": "error"
      }
    },
    {
      "files": ["*.ts", "*.tsx"],
      "parserOptions": {
        "project": ["tsconfig.json"],
        "createDefaultProgram": true
      },
      "extends": ["plugin:@typescript-eslint/recommended", "plugin:@typescript-eslint/recommended-requiring-type-checking"],
      "rules": {
        "@typescript-eslint/no-non-null-assertion": "off",
        "@typescript-eslint/no-unused-vars": [
          "error",
          {
            "argsIgnorePattern": "^_",
            "varsIgnorePattern": "^_",
            "caughtErrorsIgnorePattern": "^_"
          }
        ]
      }
    }
  ],
  "reportUnusedDisableDirectives": true
}