.eslintrc.json

{
  "root": true,
  "extends": [
    "plugin:astro/recommended",
    "airbnb-base",
    "airbnb-typescript/base",
    "plugin:@typescript-eslint/strict",
    "plugin:@typescript-eslint/stylistic-type-checked",
    "plugin:eslint-comments/recommended",
    "plugin:regexp/recommended",
    "plugin:tailwindcss/recommended",
    "plugin:svelte/recommended",
    "prettier"
  ],
  "plugins": ["simple-import-sort"],
  "parserOptions": {
    "project": true,
    "extraFileExtensions": [".astro", ".svelte"]
  },
  "settings": {
    "import/resolver": {
      "typescript": true
    }
  },

  "rules": {
    /* Auto-sort imports and exports */
    "simple-import-sort/imports": "off",
    "simple-import-sort/exports": "off",
    "sort-imports": "off",
    "import/order": "off",
    "import/no-duplicates": "off",
    // See https://github.com/sveltejs/eslint-plugin-svelte3/blob/master/OTHER_PLUGINS.md
    "import/no-mutable-exports": "off",
    "no-plusplus": "off",

    /* Custom preferences */
    "@typescript-eslint/consistent-indexed-object-style": [
      "warn",
      "index-signature" // Prevent ambiguity with Records & Tuples
    ],
    "@typescript-eslint/consistent-type-definitions": "warn",
    "@typescript-eslint/method-signature-style": "error", // Force type safety
    "@typescript-eslint/no-empty-interface": [
      "warn",
      { "allowSingleExtends": true }
    ],
    "@typescript-eslint/no-unused-vars": [
      "warn",
      {
        "destructuredArrayIgnorePattern": "^_",
        "ignoreRestSiblings": true
      }
    ],
    "@typescript-eslint/triple-slash-reference": [
      "error",
      { "path": "always" }
    ],
    "curly": "warn",
    "func-names": ["warn", "as-needed"],
    "import/no-extraneous-dependencies": "off",
    "import/prefer-default-export": "off",
    "tailwindcss/classnames-order": "off", // Enforced by Prettier
    "tailwindcss/no-custom-classname": "off" // Avoid distractions while typing
  },

  "overrides": [
    {
      "files": ["src/*/**.astro"],
      "parser": "astro-eslint-parser",
      // Parse the `<script>` in `.astro` as TypeScript by adding the following configuration.
      "parserOptions": {
        "parser": "@typescript-eslint/parser"
      },
      "rules": {
        "import/no-unresolved": "off"
      }
    },
    {
      "files": ["src/*/**.svelte"],
      "parser": "svelte-eslint-parser",
      // Parse the `<script>` in `.svelte` as TypeScript by adding the following configuration.
      "parserOptions": {
        "parser": "@typescript-eslint/parser"
      }
    }
  ]
}