eslint.config.js

import typescriptPlugin from '@typescript-eslint/eslint-plugin'
import typescriptParser from '@typescript-eslint/parser'
import prettierConfig from 'eslint-config-prettier'
import reactPlugin from 'eslint-plugin-react'

export default [
  {
    ignores: ['coverage', 'dist', 'test/dist']
  },
  {
    files: ['**/*.ts', '**/*.tsx', '**/*.js', '**/*.mjs', '**/*.cjs'],
    languageOptions: {
      parser: typescriptParser,
      parserOptions: {
        ecmaVersion: 'latest',
        project: 'tsconfig.json',
        ecmaFeatures: {
          jsx: true
        }
      }
    },
    plugins: {
      '@typescript-eslint': typescriptPlugin,
      react: reactPlugin
    },
    settings: {
      react: {
        version: 'detect'
      }
    },
    rules: {
      ...typescriptPlugin.configs.recommended.rules,
      ...reactPlugin.configs.recommended.rules,
      ...reactPlugin.configs['jsx-runtime'].rules,
      // Turns off rules that conflict with Prettier
      ...prettierConfig.rules,
      eqeqeq: [
        'error',
        'always',
        {
          null: 'ignore'
        }
      ],
      'no-unused-vars': 'off',
      '@typescript-eslint/explicit-function-return-type': 'off',
      '@typescript-eslint/explicit-module-boundary-types': 'off',
      '@typescript-eslint/no-explicit-any': 'off',
      '@typescript-eslint/no-non-null-assertion': 'error',
      '@typescript-eslint/no-unused-vars': [
        'error',
        {
          args: 'after-used',
          argsIgnorePattern: '^_',
          caughtErrorsIgnorePattern: '^_'
        }
      ],
      '@typescript-eslint/no-use-before-define': 'off',
      '@typescript-eslint/no-var-requires': 'off',
      'react/jsx-sort-props': [
        'error',
        {
          callbacksLast: true,
          reservedFirst: true,
          shorthandFirst: true
        }
      ],
      'react/no-unknown-property': [
        'error',
        {
          ignore: ['jsx', 'global', 'fetchPriority']
        }
      ],
      'react/prop-types': 'off'
    }
  },
  {
    files: ['**/*.cjs'],
    languageOptions: {
      parserOptions: {
        sourceType: 'commonjs'
      }
    },
    rules: {
      '@typescript-eslint/no-require-imports': 'off'
    }
  },
  {
    files: ['test/**/*.ts', 'test/**/*.tsx'],
    languageOptions: {
      globals: {
        QUnit: false
      }
    }
  }
]