web/eslint.config.js

// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
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// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

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

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

export default defineConfig(
  includeIgnoreFile(gitignorePath),
  {
    ignores: [
      '.DS_Store',
      'node_modules',
      '/build',
      '/.svelte-kit',
      '/package',
      '.env',
      '.env.*',
      'pnpm-lock.yaml',
      'package-lock.json',
      'yarn.lock'
    ]
  },
  js.configs.recommended,
  // ...ts.configs.recommended,
  ...svelte.configs.recommended,
  prettier,
  ...svelte.configs.prettier,
  {
    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',
      'no-unused-vars': ['error', { argsIgnorePattern: '^_' }]
    }
  },
  {
    files: ['**/*.svelte', '**/*.svelte.ts', '**/*.svelte.js'],
    languageOptions: {
      parserOptions: {
        projectService: true,
        extraFileExtensions: ['.svelte'],
        parser: ts.parser,
        svelteConfig
      }
    },
    rules: {
      'no-useless-assignment': 'off'
    }
  }
);