classroomio/apps/dashboard/eslint.config.js

import { defineConfig } from 'eslint/config';
import { fileURLToPath } from 'node:url';
import globals from 'globals';
import { includeIgnoreFile } from '@eslint/compat';
import js from '@eslint/js';
import svelte from 'eslint-plugin-svelte';
import svelteConfig from './svelte.config.js';
import ts from 'typescript-eslint';
import unusedImports from 'eslint-plugin-unused-imports';

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

export default defineConfig(
  includeIgnoreFile(gitignorePath),
  js.configs.recommended,
  ...ts.configs.recommended,
  ...svelte.configs.recommended,
  {
    plugins: {
      'unused-imports': unusedImports
    },
    languageOptions: {
      globals: { ...globals.browser, ...globals.node }
    },
    rules: {
      // typescript-eslint strongly recommend that you do not use the no-undef lint rule on TypeScript projects.
      // see: 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',
      'unused-imports/no-unused-imports': 'error',
      '@typescript-eslint/no-unused-vars': [
        'warn',
        {
          vars: 'all',
          varsIgnorePattern: '^_',
          args: 'after-used',
          argsIgnorePattern: '^_'
        }
      ]
    }
  },
  {
    files: ['**/*.svelte', '**/*.svelte.ts', '**/*.svelte.js'],
    languageOptions: {
      parserOptions: {
        extraFileExtensions: ['.svelte'],
        parser: ts.parser,
        svelteConfig
      }
    }
  }
);