eslint.config.mjs

import globals from 'globals'
import tsParser from '@typescript-eslint/parser'

export default [
    {
        ignores: [
            'node_modules/**',
            'dist/**',
        ],
    },
    {
        files: ['src/**/*.js', 'src/**/*.cjs', 'src/**/*.mjs'],

        languageOptions: {
        globals: {
            ...globals.browser,
            ...globals.node,
            Atomics: 'readonly',
            SharedArrayBuffer: 'readonly',
        }
        },
         rules: {
            // Code style - match TypeScript settings
            semi: ['error', 'never'],
            quotes: ['error', 'single'],

            // Strict checking - match TypeScript strictness
            'no-console': 'error',
            'no-unused-vars': 'error', // Match TypeScript noUnusedLocals: true
            'no-undef': 'error',
            strict: ['error', 'global'], // Match TypeScript alwaysStrict: true

            // Additional strictness to match TypeScript behavior
            'no-implicit-globals': 'error',
            'prefer-const': 'error', // Encourage immutability
            'no-var': 'error', // Use let/const only
            'no-redeclare': 'error'
            },
    },
    {
        files: ["src/**/*.ts"],
        languageOptions: {
            globals: {
                ...globals.browser,
                ...globals.node,
                Atomics: "readonly",
                SharedArrayBuffer: "readonly",
            },
            parser: tsParser,
            parserOptions: {
                project: ['./tsconfig.json']
            },
        },
        
       rules: {
            semi: ['error', 'never'],
            quotes: ['error', 'single'],
            // Disable ESLint rules that TypeScript handles better
            'no-unused-vars': 'off', // TypeScript handles this via noUnusedLocals
            'no-undef': 'off', // TypeScript handles undefined variables
        },
    }
]