.eslintrc.json

{
  "extends": [
    "eslint:recommended",
    "plugin:import/errors",
    "plugin:import/warnings",
    "plugin:import/typescript",
    "plugin:@typescript-eslint/recommended",
    "plugin:astro/jsx-a11y-recommended",
    "plugin:astro/recommended"
  ],
  "env": {
    "es6": true
  },
  "parserOptions": {
    "parser": "@typescript-eslint/parser",
    "ecmaVersion": "latest",
    "project": "tsconfig.json"
  },
  "rules": {
    "@typescript-eslint/unbound-method": "error",
    "no-console": "warn",
    "@typescript-eslint/ban-types": [
      "error",
      {
        "extendDefaults": true,
        "types": {
          "{}": false
        }
      }
    ],
    "@typescript-eslint/no-empty-function": "error",
    "@typescript-eslint/no-unused-vars": "error",
    "@typescript-eslint/no-floating-promises": "warn",
    "@typescript-eslint/no-inferrable-types": [
      "error",
      {
        "ignoreParameters": true
      }
    ]
  },
  "overrides": [
    {
      // Define the configuration for `.astro` file.
      "files": ["*.astro"],
      // Allows Astro components to be parsed.
      "parser": "astro-eslint-parser",
      // Parse the script in `.astro` as TypeScript by adding the following configuration.
      // It's the setting you need when using TypeScript.
      "parserOptions": {
        "parser": "@typescript-eslint/parser",
        "extraFileExtensions": [".astro"]
      }
    }
  ]
}