.eslintrc.js

module.exports = {
  env: {
    browser: true,
    es6: true,
    node: true,
  },
  extends: [
    'airbnb-base',
    'plugin:@typescript-eslint/recommended',
    'plugin:prettier/recommended',
    'plugin:import/recommended',
    'plugin:import/typescript',
    'prettier',
  ],
  overrides: [
    {
      env: {
        'jest/globals': true,
      },
      files: ['*.spec.*'],
      plugins: ['jest'],
    },
  ],
  parserOptions: {
    ecmaVersion: 13,
    parser: '@typescript-eslint/parser',
    sourceType: 'module',
  },
  plugins: [
    '@typescript-eslint',
    'sort-keys-fix',
    'sort-destructure-keys',
    'typescript-sort-keys',
  ],
  rules: {
    '@typescript-eslint/array-type': 'error',
    '@typescript-eslint/explicit-function-return-type': 'off',
    '@typescript-eslint/no-empty-function': 'warn',
    '@typescript-eslint/no-redeclare': ['error'],
    '@typescript-eslint/no-shadow': 'error',
    '@typescript-eslint/no-unused-vars': 'error',
    'arrow-body-style': 'off',
    'brace-style': 'off',
    camelcase: 'off',
    'class-methods-use-this': 'off',
    'consistent-return': 0,
    curly: ['error', 'multi-line'],
    'default-param-last': 'warn',
    'eol-last': 2,
    'function-paren-newline': 0,
    'global-require': 0,
    'implicit-arrow-linebreak': 0,
    'import/extensions': 'off',
    'import/no-unresolved': 'off',
    'import/order': [
      'error',
      {
        alphabetize: { caseInsensitive: true, order: 'asc' },
        groups: [
          ['builtin', 'external'],
          'parent',
          'sibling',
          'index',
          'object',
        ],
        'newlines-between': 'always',
      },
    ],
    'import/prefer-default-export': 'off',
    indent: 'off',
    'max-classes-per-file': 'off',
    'max-len': 'off',
    'no-confusing-arrow': 'off',
    'no-console': ['warn', { allow: ['warn', 'error', 'info', 'debug'] }],
    'no-continue': 'off',
    'no-lonely-if': 'off',
    'no-nested-ternary': 'off',
    'no-plusplus': ['error', { allowForLoopAfterthoughts: true }],
    'no-prototype-builtins': 'off',
    'no-redeclare': 'off',
    'no-restricted-exports': 'warn',
    'no-restricted-syntax': 'off',
    'no-return-assign': 'off',
    'no-shadow': 'off',
    'no-unused-expressions': 0, // disabled in favor of @babel version above
    'no-use-before-define': 0,
    'nonblock-statement-body-position': 0,
    'object-curly-newline': 'off',
    'operator-assignment': 'off',
    'operator-linebreak': 'off',
    'prefer-destructuring': [
      'error',
      {
        AssignmentExpression: { array: false, object: false },
        VariableDeclarator: { array: false, object: true },
      },
    ],
    'prefer-template': 0,
    'prettier/prettier': 'error',
    'sort-destructure-keys/sort-destructure-keys': 'error',
    'sort-imports': [
      'error',
      { ignoreCase: true, ignoreDeclarationSort: true },
    ],
    'sort-keys-fix/sort-keys-fix': 'error',
    'space-before-function-paren': 'off',
    'typescript-sort-keys/interface': 'error',
    'typescript-sort-keys/string-enum': 'error',
  },
  settings: {
    'import/resolver': {
      node: {
        extensions: ['.ts'],
      },
    },
  },
};