eslint.config.js

import js from '@eslint/js';
import tseslint from '@typescript-eslint/eslint-plugin';
import tsparser from '@typescript-eslint/parser';
import prettierConfig from 'eslint-config-prettier';
import prettierPlugin from 'eslint-plugin-prettier';

export default [
  js.configs.recommended,
  {
    files: ['src/**/*.ts'],
    languageOptions: {
      parser: tsparser,
      ecmaVersion: 2021,
      sourceType: 'module',
      globals: {
        console: 'readonly',
        window: 'readonly',
        document: 'readonly',
        HTMLDivElement: 'readonly',
        HTMLCanvasElement: 'readonly',
        HTMLElement: 'readonly'
      }
    },
    plugins: {
      '@typescript-eslint': tseslint,
      prettier: prettierPlugin
    },
    rules: {
      ...tseslint.configs.recommended.rules,
      'prettier/prettier': 'error',
      'no-console': 'warn',
      'prefer-const': 'error',
      'no-var': 'error',
      '@typescript-eslint/no-unused-vars': 'error',
      '@typescript-eslint/explicit-function-return-type': 'off',
      indent: ['error', 2],
      quotes: ['error', 'single'],
      semi: ['error', 'always']
    }
  },
  prettierConfig
];