wasm-benchmark/eslint.config.js at main · TravelThePath/wasm-benchmark · GitHub

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import js from '@eslint/js';
import prettierConfig from 'eslint-config-prettier';
import prettier from 'eslint-plugin-prettier';

export default [
    js.configs.recommended,
    prettierConfig,
    {
        plugins: {
            prettier
        },
        languageOptions: {
            ecmaVersion: 2022,
            sourceType: 'module',
            globals: {
                // Browser globals
                window: 'readonly',
                document: 'readonly',
                console: 'readonly',
                performance: 'readonly',
                setTimeout: 'readonly',
                clearTimeout: 'readonly',
                setInterval: 'readonly',
                clearInterval: 'readonly',
                URL: 'readonly',
                URLSearchParams: 'readonly',
                fetch: 'readonly',
                Response: 'readonly',
                Request: 'readonly',
                Headers: 'readonly',
                FormData: 'readonly',

                // Node.js globals for scripts
                process: 'readonly',
                Buffer: 'readonly',
                __dirname: 'readonly',
                __filename: 'readonly',
                global: 'readonly',
                AbortController: 'readonly',

                // WebAssembly globals
                WebAssembly: 'readonly',

                // Test globals (for Vitest)
                describe: 'readonly',
                it: 'readonly',
                test: 'readonly',
                expect: 'readonly',
                beforeAll: 'readonly',
                afterAll: 'readonly',
                beforeEach: 'readonly',
                afterEach: 'readonly',
                vi: 'readonly'
            }
        },
        rules: {
            // Prettier integration - let Prettier handle formatting
            'prettier/prettier': 'warn',

            // Possible problems
            'no-unused-vars': [
                'warn',
                {
                    argsIgnorePattern: '^_',
                    varsIgnorePattern: '^_'
                }
            ],
            'no-undef': 'error',
            'no-unreachable': 'warn',
            'no-duplicate-imports': 'error',

            // Suggestions
            'prefer-const': 'warn',
            'no-var': 'error',
            'prefer-arrow-callback': 'warn',
            'prefer-template': 'warn',
            'prefer-destructuring': [
                'warn',
                {
                    array: false,
                    object: true
                }
            ],

            // Best practices
            eqeqeq: ['error', 'always'],
            'no-eval': 'error',
            'no-implied-eval': 'error',
            'no-new-func': 'error',
            'no-throw-literal': 'error',
            'no-return-assign': 'error',
            'no-self-compare': 'error',
            'no-unmodified-loop-condition': 'error',
            'no-loop-func': 'error',

            // ES6+ specific (non-formatting)
            'no-confusing-arrow': 'warn',
            'prefer-spread': 'warn'
        }
    },
    {
        files: ['tests/**/*.js', '**/*.test.js', '**/*test.js'],
        rules: {
            // Relax some rules for test files
            'no-unused-expressions': 'off',
            'max-len': 'off',
            'no-unused-vars': 'off' // Test files often have unused imports for future use
        }
    },
    {
        files: ['scripts/interfaces/**/*.js'],
        rules: {
            // Interface definitions often have unused parameters
            'no-unused-vars': 'off'
        }
    },
    {
        files: ['scripts/**/*.js'],
        languageOptions: {
            globals: {
                // Additional Node.js globals for scripts
                require: 'readonly',
                module: 'readonly',
                exports: 'readonly',
                chalk: 'readonly'
            }
        }
    },
    {
        files: ['scripts/services/BrowserService.js'],
        languageOptions: {
            globals: {
                // Browser APIs used by BrowserService
                caches: 'readonly',
                localStorage: 'readonly',
                sessionStorage: 'readonly',
                chalk: 'readonly'
            }
        }
    },
    {
        files: ['harness/web/**/*.js'],
        languageOptions: {
            globals: {
                // Additional browser-specific globals for web harness
                location: 'readonly',
                navigator: 'readonly',
                history: 'readonly',
                localStorage: 'readonly',
                sessionStorage: 'readonly'
            }
        }
    },
    {
        // Ignore patterns
        ignores: [
            'node_modules/**',
            'builds/**',
            'configs/**',
            'data/**',
            'docs/**',
            'results/**',
            'reports/**',
            'analysis/figures/**',
            'tasks/**',
            '*.wasm',
            '*.tmp',
            'dev-server.log',
            'test-results.json'
        ]
    }
];