.eslintrc.js

module.exports = {
  root: true,
  env: {
      node: true,
      browser: true,
      jquery: true,
  },
  rules: {
      'no-console': 'off',
  'no-debugger': 'off',
      semi: ['error', 'never'],
      'prefer-const': [
          'error',
          {
              destructuring: 'any',
              ignoreReadBeforeAssign: false,
          },
      ],
      'no-var': 2,
      'object-shorthand': 1,
      'no-array-constructor': 1,
      'prefer-destructuring': ['error', { object: true, array: false }],
      quotes: ['error', 'single', { avoidEscape: false, allowTemplateLiterals: true }],
      'template-curly-spacing': ['error', 'never'],
      'func-style': ['error', 'expression', { allowArrowFunctions: true }],
      'prefer-rest-params': 1,
      'space-before-blocks': 1,
      'space-before-function-paren': [
          'error',
          {
              anonymous: 'never',
              named: 'never',
              asyncArrow: 'always',
          },
      ],
      'prefer-spread': 1,
      'prefer-arrow-callback': [1, {}],
      'arrow-spacing': ['error', { before: true, after: true }],
      'arrow-parens': ['error', 'as-needed'],
      'no-duplicate-imports': 1,
      'dot-notation': 1,
      'one-var': ['error', 'never'],
      'no-multi-assign': 1,
      eqeqeq: 1,
      'nonblock-statement-body-position': ['error', 'below'],
      'spaced-comment': 1,
      'space-infix-ops': 1,
      'eol-last': 0,
      'newline-per-chained-call': ['error', { ignoreChainWithDepth: 2 }],
      'padded-blocks': ['error', 'never'],
      'space-in-parens': ['error', 'never'],
      'array-bracket-spacing': ['error', 'never'],
      'object-curly-spacing': ['error', 'always'],
      'comma-dangle': [
          'error',
          {
              arrays: 'only-multiline',
              objects: 'only-multiline',
              imports: 'only-multiline',
              exports: 'never',
              functions: 'never',
          },
      ],
      'no-unused-vars': ['error', { vars: 'all', args: 'after-used', ignoreRestSiblings: false }],
      'no-empty-pattern': 0,
      'no-useless-escape': 0,
  },
  parserOptions: {
      parser: 'babel-eslint',
  },
}