eslint.config.js

const config = require("@cybozu/eslint-config/flat/presets/typescript-prettier");
const importPlugin = require("eslint-plugin-import");
const kucV1Plugin = require("eslint-plugin-kuc-v1");

module.exports = [
  ...config,

  {
    files: ["**/*.{js,ts}"],
    ignores:["*.js", "*.ts", "!src/**"],
    languageOptions: {
      parserOptions: {
        ecmaVersion: "latest",
        sourceType: "module"
      }
    },

    plugins: {
      "import": importPlugin,
      "kuc-v1": kucV1Plugin
    },

    // settings for typescript
    settings: {
      "import/resolver": {
        typescript: true,
        node: true
      },
      "import/extensions": [".js", ".ts", ".jsx", ".tsx"]
    },

    rules: {
      "@typescript-eslint/no-non-null-assertion": "off",
      "kuc-v1/no-create-render-root-function": "error",
      "kuc-v1/no-using-custom-event": "error",
      "kuc-v1/no-using-generate-guid-function": "error",
      "kuc-v1/no-using-img-tag": "error",
      "kuc-v1/no-lowercase-6digits-color-code": "error",
      "kuc-v1/no-kuc-class-prefix": "error",
      "kuc-v1/validator-in-should-update": "error",
      "kuc-v1/double-quote-attribute-value": "error",
      "kuc-v1/inherit-from-KucBase": "error",
      "kuc-v1/super-update": "error",
      "kuc-v1/no-prefix-of-private-function": "error",
      "kuc-v1/no-using-bem-method-for-classname": "error",
      "kuc-v1/no-using-event-handler-name": "error",
      "kuc-v1/private-custom-event": "error",
      "kuc-v1/no-sorting-in-alphabetical-order": "error",
      // disable original eslint sort imports
      "sort-imports": [
        "error",
        { ignoreCase: true, ignoreDeclarationSort: true }
      ],
      // order imports depend on groups below and alphabetize with import path.
      // import without name such as `import "./index.ts"` can not lint. please put at bottom manually.
      "import/order": [
        "error",
        {
          // sort depend on following group order
          groups: [
            "builtin",
            "external",
            "internal",
            "parent",
            "sibling",
            "index",
            "object",
            "type"
          ],
          pathGroupsExcludedImportTypes: ["builtin"],
          alphabetize: {
            order: "asc",
            caseInsensitive: true
          },
          "newlines-between": "always"
        }
      ]
    }
  }
];