www/.eslint/typescript.ts

import type { Linter } from "eslint";
import { typescriptFiles } from "./shared";

export function createTypescriptConfig(tsConfigPath: string): Linter.Config {
  return {
    name: "eslint/typescript",
    files: typescriptFiles,
    languageOptions: {
      parserOptions: {
        ecmaVersion: "latest",
        sourceType: "module",
        ecmaFeatures: {
          jsx: true,
        },
        project: tsConfigPath,
        tsconfigRootDir: process.cwd(),
      },
    },
    rules: {
      // Basic TypeScript rules that work without type information
      "@typescript-eslint/no-unused-vars": [
        "error",
        {
          argsIgnorePattern: "^_",
          varsIgnorePattern: "^_",
          ignoreRestSiblings: true,
        },
      ],
      "@typescript-eslint/explicit-function-return-type": "off",
      "@typescript-eslint/explicit-module-boundary-types": "off",
      "@typescript-eslint/no-explicit-any": "warn",
      "@typescript-eslint/no-non-null-assertion": "warn",
      "@typescript-eslint/consistent-type-imports": [
        "error",
        { prefer: "type-imports", fixStyle: "inline-type-imports" },
      ],
      "@typescript-eslint/consistent-type-definitions": ["error", "type"],

      // Override base rules for TypeScript
      "no-unused-vars": "off", // Handled by TypeScript
      "no-undef": "off", // TypeScript handles this
    },
  };
}