import { fileURLToPath } from "node:url";
import { includeIgnoreFile } from "@eslint/compat";
import js from "@eslint/js";
import prettier from "eslint-config-prettier";
import svelte from "eslint-plugin-svelte";
import { defineConfig } from "eslint/config";
import globals from "globals";
import ts from "typescript-eslint";

const gitignorePath = fileURLToPath(new URL("./.gitignore", import.meta.url));

{% if frontend_adapter == 'bun' -%}
const svelteConfig = {
  compilerOptions: {
    runes: ({ filename }) =>
      filename.split(/[/\\]/).includes("node_modules") ? undefined : true,
  },
};
{%- else -%}
const svelteConfig = {};
{%- endif %}

export default defineConfig(
  includeIgnoreFile(gitignorePath),
  js.configs.recommended,
  ...ts.configs.recommended,
  ...svelte.configs.recommended,
  prettier,
  ...svelte.configs.prettier,
  {
    languageOptions: { globals: { ...globals.browser, ...globals.node } },
    rules: {
      // typescript-eslint recommends against no-undef on TypeScript projects:
      // https://typescript-eslint.io/troubleshooting/faqs/eslint/#i-get-errors-from-the-no-undef-rule-about-global-variables-not-being-defined-even-though-there-are-no-typescript-errors
      "no-undef": "off",
    },
  },
{%- if ui_library == 'shadcn' %}
  {
    // shadcn-svelte primitives are copied in and changed upstream only.
    files: ["src/lib/components/ui/**"],
    rules: {
      "@typescript-eslint/no-explicit-any": "off",
      "svelte/no-navigation-without-resolve": "off",
    },
  },
{%- endif %}
  {
    files: ["**/*.svelte", "**/*.svelte.ts", "**/*.svelte.js"],
    languageOptions: {
      parserOptions: {
        extraFileExtensions: [".svelte"],
        parser: ts.parser,
        projectService: true,
        svelteConfig,
      },
    },
  }
);