.eslintrc

{
  // Configuration for JavaScript files
  "extends": ["airbnb-base", "plugin:prettier/recommended"],
  "rules": {
    "prettier/prettier": [
      "error",
      {
        "singleQuote": true,
        "endOfLine": "auto"
      }
    ]
  },
  "overrides": [
    // Configuration for mjs files
    {
      "files": ["**/*.mjs"],
      "parserOptions": {
        "sourceType": "module",
        "ecmaVersion": 2015
      },
      "extends": ["plugin:prettier/recommended"],
      "rules": {
        "prettier/prettier": [
          "error",
          {
            "singleQuote": true,
            "endOfLine": "auto"
          }
        ],
        "import/no-extraneous-dependencies": "off", // mjs is only used by Astro for configuration, false positive
        "import/no-unresolved": "off" // Also false positive with mjs file
      }
    },
    // Configuration for TypeScript files
    {
      "files": ["**/*.ts", "**/*.tsx"],
      "plugins": [
        "@typescript-eslint",
        "react",
        "unused-imports",
        "tailwindcss",
        "simple-import-sort"
      ],
      "extends": [
        "plugin:tailwindcss/recommended",
        "airbnb-typescript",
        "plugin:prettier/recommended"
      ],
      "parserOptions": {
        "project": "./tsconfig.json"
      },
      "rules": {
        "prettier/prettier": [
          "error",
          {
            "singleQuote": true,
            "endOfLine": "auto"
          }
        ],
        "import/extensions": [
          "error",
          "ignorePackages",
          {
            "js": "never",
            "jsx": "never",
            "ts": "never",
            "tsx": "never",
            "": "never"
          }
        ], // Avoid missing file extension errors when using '@/' alias
        "react/destructuring-assignment": "off", // Vscode doesn't support automatically destructuring, it's a pain to add a new variable
        "react/require-default-props": "off", // Allow non-defined react props as undefined
        "react/jsx-props-no-spreading": "off", // _app.tsx uses spread operator and also, react-hook-form
        "@typescript-eslint/comma-dangle": "off", // Avoid conflict rule between Eslint and Prettier
        "@typescript-eslint/consistent-type-imports": "error", // Ensure `import type` is used when it's necessary
        "import/prefer-default-export": "off", // Named export is easier to refactor automatically
        "tailwindcss/classnames-order": [
          "warn",
          {
            "officialSorting": true
          }
        ], // Follow the same ordering as the official plugin `prettier-plugin-tailwindcss`
        "simple-import-sort/imports": "error", // Import configuration for `eslint-plugin-simple-import-sort`
        "simple-import-sort/exports": "error", // Export configuration for `eslint-plugin-simple-import-sort`
        "@typescript-eslint/no-unused-vars": "off",
        "unused-imports/no-unused-imports": "error",
        "unused-imports/no-unused-vars": [
          "error",
          { "argsIgnorePattern": "^_" }
        ]
      }
    },
    // Configuration for Astro
    {
      "files": ["**/*.astro"],
      "plugins": [
        "@typescript-eslint",
        "react",
        "unused-imports",
        "tailwindcss",
        "simple-import-sort"
      ],
      "extends": [
        "plugin:tailwindcss/recommended",
        "airbnb-typescript",
        "plugin:prettier/recommended"
      ],
      "parser": "astro-eslint-parser",
      "parserOptions": {
        "parser": "@typescript-eslint/parser",
        "project": "./tsconfig.json",
        "extraFileExtensions": [".astro"]
      },
      "rules": {
        "prettier/prettier": [
          "error",
          {
            "singleQuote": true,
            "endOfLine": "auto"
          }
        ],
        "import/extensions": [
          "error",
          "ignorePackages",
          {
            "js": "never",
            "jsx": "never",
            "ts": "never",
            "tsx": "never",
            "": "never"
          }
        ], // Avoid missing file extension errors in .astro files
        "import/no-unresolved": [
          "error",
          {
            "ignore": ["@/*"]
          }
        ], // Disable no-unresolved rule for .astro files
        "react/jsx-filename-extension": [1, { "extensions": [".astro"] }], // Accept jsx in astro files
        "react/destructuring-assignment": "off", // Vscode doesn't support automatically destructuring, it's a pain to add a new variable
        "react/require-default-props": "off", // Allow non-defined react props as undefined
        "react/jsx-props-no-spreading": "off", // _app.tsx uses spread operator and also, react-hook-form
        "@typescript-eslint/comma-dangle": "off", // Avoid conflict rule between Eslint and Prettier
        "@typescript-eslint/consistent-type-imports": "error", // Ensure `import type` is used when it's necessary
        "import/prefer-default-export": "off", // Named export is easier to refactor automatically
        "tailwindcss/classnames-order": [
          "warn",
          {
            "officialSorting": true
          }
        ], // Follow the same ordering as the official plugin `prettier-plugin-tailwindcss`
        "simple-import-sort/imports": "error", // Import configuration for `eslint-plugin-simple-import-sort`
        "simple-import-sort/exports": "error", // Export configuration for `eslint-plugin-simple-import-sort`
        "@typescript-eslint/no-unused-vars": "off",
        "unused-imports/no-unused-imports": "error",
        "unused-imports/no-unused-vars": [
          "error",
          { "argsIgnorePattern": "^_" }
        ]
      },
      "globals": {
        "Astro": "readonly"
      }
    }
  ]
}