module.exports = {
  env: {
    node: true,
    browser: true,
    es6: true,
  },
  extends: ['eslint:recommended'],
  parserOptions: {
    ecmaVersion: 2020,
    sourceType: 'module',
  },
  rules: {
    curly: ['error', 'multi-line'],
    eqeqeq: ['error', 'always'],
    semi: ['error', 'never'],
    indent: [
      'error',
      2,
      {
        SwitchCase: 1,
      },
    ],
    quotes: [
      'error',
      'single',
      {
        avoidEscape: true,
        allowTemplateLiterals: true,
      },
    ],
    'key-spacing': [
      'error',
      {
        beforeColon: false,
        afterColon: true,
        mode: 'strict',
      },
    ],
    'no-empty': 'error',
    'no-else-return': 'error',
    'no-multi-spaces': 'error',
    'require-await': 'error',
    'brace-style': ['error', 'stroustrup'],
    'spaced-comment': ['error', 'always'],
    'arrow-spacing': 'error',
    'no-duplicate-imports': 'error',
    'comma-spacing': [
      'error',
      {
        before: false,
        after: true,
      },
    ],
    'default-case': 'error',
    'consistent-this': ['error', '_this'],
    'max-depth': ['error', 6],
    'max-lines': ['error', 2000],
    'no-multi-str': 'error',
    'space-infix-ops': 'error',
    'space-before-blocks': ['error', 'always'],
    'space-before-function-paren': [
      'error',
      {
        named: 'never',
        anonymous: 'never',
        asyncArrow: 'always',
      },
    ],
    'keyword-spacing': ['error'],
    'prefer-const': 'error',
    'no-useless-return': 'error',
    'array-bracket-spacing': 'error',
    'no-useless-escape': 'off',
    'no-case-declarations': 'off',
    'no-eval': 'error',
    'no-var': 'error',
    'no-with': 'error',
    'no-alert': 'warn',
    'no-console': 'warn',
    'no-debugger': 'warn',
  },
  overrides: [
    {
      files: ['**/__tests__/*.{j,t}s?(x)', '**/tests/unit/**/*.spec.{j,t}s?(x)'],
      env: {
        jest: true,
      },
    },
  ],
};