.eslintrc.js

module.exports = {
  extends: [
    'standard',
    'airbnb',
    'eslint:recommended',
    'prettier',
    'plugin:prettier/recommended',
  ],
  env: {
    es6: true,
    node: true,
    browser: true,
    jest: true,
  },
  plugins: ['jest', 'promise', 'import', '@typescript-eslint', 'prettier'],
  parser: '@typescript-eslint/parser',
  settings: {
    'import/parsers': {
      '@typescript-eslint/parser': ['.ts', '.tsx'],
    },
    'import/resolver': {
      // use <root>/tsconfig.json
      typescript: {},
    },
  },
  rules: {
    'prettier/prettier': 'error',
    'linebreak-style': ['error', 'unix'],
    quotes: [
      'error',
      'single',
      { avoidEscape: true, allowTemplateLiterals: false },
    ],
    'no-multiple-empty-lines': [
      'error',
      {
        max: 1,
        maxEOF: 0,
        maxBOF: 0,
      },
    ],
    '@typescript-eslint/no-unused-vars': [
      'error',
      {
        vars: 'all',
        args: 'after-used',
        ignoreRestSiblings: true,
        argsIgnorePattern: '^_\\S*$',
      },
    ],
    'brace-style': 0,
    'import/no-named-as-default': 0,
    'import/no-named-as-default-member': 0,
    'standard/computed-property-even-spacing': 0,
    'standard/object-curly-even-spacing': 0,
    'standard/array-bracket-even-spacing': 0,
    'promise/prefer-await-to-then': 'warn',
    'jest/no-disabled-tests': 'warn',
    'jest/no-identical-title': 'error',
    'jest/no-focused-tests': 'error',
    'jest/prefer-expect-assertions': 'error',
    'react/jsx-props-no-spreading': 0, // TODO: consider changing to error to tighten things up
    'import/prefer-default-export': 'off',
    semi: ['error', 'never'],
    'import/extensions': [2, 'never'],
  },
}