.eslintrc.js

const restrictedGlobals = require('eslint-restricted-globals')
  .filter(name => name !== 'self');

module.exports = {
  parserOptions: {
    parser: '@typescript-eslint/parser',
    sourceType: 'module',
    ecmaVersion: 2018,
  },
  extends: [
    'airbnb-base',
    'plugin:@typescript-eslint/recommended',
    'prettier/@typescript-eslint',
    'plugin:prettier/recommended',
  ],
  globals: {
    chrome: true,
    it: true,
    xit: true,
    describe: true,
    beforeAll: true,
    beforeEach: true,
    afterEach: true,
    afterAll: true,
    before: true,
    after: true,
    chai: true,
    sinon: true,
    expect: true,
    jest: true,
    test: true,
    cy: true,
    Cypress: true,
  },
  env: {
    browser: true,
    node: true,
  },
  rules: {
    'arrow-parens': ['error', 'as-needed'],
    'class-methods-use-this': 0,
    'comma-dangle': ['error', 'always-multiline'],
    'curly': ['error', 'all'],
    'consistent-return': 0,
    'dot-notation': [2, { allowPattern: '^[a-z]+(_[a-z]+)+$' }],
    'func-names':2,
    'function-paren-newline': 0,
    'func-style': [ 'error', 'declaration', { 'allowArrowFunctions': false } ],
    'global-require': 0,
    'import/extensions': 0,
    'import/export': 0,
    'import/named': 2,
    'import/no-default-export': 0,
    'import/no-extraneous-dependencies': 0,
    'import/no-unresolved': 0,
    'import/prefer-default-export': 0,
    'import/order': 2,
    'implicit-arrow-linebreak': 0,
    'linebreak-style': process.env.NODE_ENV !== 'production' ? 'off' : ['error', 'unix'],
    'max-len': ['error', {
      code: 150,
      ignoreUrls: true,
      ignoreStrings: true,
      ignoreComments: true,
      ignoreTemplateLiterals: true,
      ignoreRegExpLiterals: true,
      ignorePattern: '<p>|<p|<span>|<small>'
    }],
    'max-params': ['error', 3],
    'no-console': 2,
    'no-debugger': 1,
    'no-nested-ternary': 0,
    'no-plusplus': 0,
    'no-mixed-operators': 0,
    'no-param-reassign': ['error', { props: false }],
    'no-use-before-define': 0,
    'no-restricted-syntax': ['error', 'WithStatement'],
    'no-return-assign': 0,
    'no-restricted-globals': ['error'].concat(restrictedGlobals),
    'operator-linebreak': [2, 'after', { 'overrides': { '?': 'before', ':': 'before' } }],
    'object-curly-newline': 0,
    'operator-linebreak': 0,
    'prefer-destructuring': 0,
    'require-jsdoc': 0,
    'space-before-function-paren': ['error', 'never'],
    'spaced-comment': 0,
    'sort-keys': 0,
    '@typescript-eslint/camelcase': 0,
    '@typescript-eslint/indent': 0,
    '@typescript-eslint/array-type': ['error', 'array'],
    '@typescript-eslint/interface-name': [true, 'never'],
    '@typescript-eslint/no-angle-bracket-type-assertion': 0,
    '@typescript-eslint/no-explicit-any': 0,
    '@typescript-eslint/no-namespace': 0,
    '@typescript-eslint/no-object-literal-type-assertion': 0,
    '@typescript-eslint/no-unused-vars': ['error'],
    '@typescript-eslint/no-use-before-define': 0,
    '@typescript-eslint/explicit-function-return-type': 0,
    'valid-jsdoc': 0,
  },
};