text: module.exports = {
      root: true,
      parser: 'babel-eslint',
      parserOptions: {
          sourceType: 'module'
      },
      env: {
          browser: true,
          node: true
      },
      extends: 'eslint:recommended',
      // required to lint *.vue files
      plugins: [
          'html'
      ],
      // check if imports actually resolve
      'settings': {
          'import/resolver': {
              'webpack': {
                  'config': 'build/webpack.base.conf.js'
              }
          }
      },
      // add your custom rules here
      'rules': {
          // don't require .vue extension when importing
          // 'import/extensions': ['error', 'always', {
          //     'js': 'never',
          //     'vue': 'never'
          // }],
          // allow debugger during development
          'no-debugger': process.env.NODE_ENV === 'production' ? 2 : 0,
          /*
           * Possible Errors
           */
  
          // disallow unnecessary parentheses
          'no-extra-parens': ['error', 'all', {'nestedBinaryExpressions': false}],
  
          // disallow negating the left operand of relational operators
          'no-unsafe-negation': 'error',
  
          // enforce valid JSDoc comments
          'valid-jsdoc': 'off',
  
          /*
           * Best Practices
           */
  
          // enforce return statements in callbacks of array methods
          'array-callback-return': 'error',
  
          // enforce consistent brace style for all control statements
          curly: ['error', 'multi-line'],
  
          // enforce consistent newlines before and after dots
          'dot-location': ['error', 'property'],
  
          // enforce dot notation whenever possible
          'dot-notation': 'error',
  
          // require the use of === and !==
          'eqeqeq': ['error', 'smart'],
  
          // disallow the use of arguments.caller or arguments.callee
          'no-caller': 'error',
  
          // disallow empty functions
          'no-empty-function': 'error',
  
          // disallow unnecessary calls to .bind()
          'no-extra-bind': 'error',
  
          // disallow unnecessary labels
          'no-extra-label': 'error',
  
          // disallow leading or trailing decimal points in numeric literals
          'no-floating-decimal': 'error',
  
          // disallow assignments to native objects or read-only global variables
          'no-global-assign': 'error',
  
          // disallow the use of eval()-like methods
          'no-implied-eval': 'error',
  
          // disallow the use of the __iterator__ property
          'no-iterator': 'error',
  
          // disallow unnecessary nested blocks
          'no-lone-blocks': 'error',
  
          // disallow multiple spaces
          'no-multi-spaces': 'error',
  
          // disallow new operators with the String, Number, and Boolean objects
          'no-new-wrappers': 'error',
  
          // disallow octal escape sequences in string literals
          'no-octal-escape': 'error',
  
          // disallow the use of the __proto__ property
          'no-proto': 'error',
  
          // disallow comparisons where both sides are exactly the same
          'no-self-compare': 'error',
  
          // disallow throwing literals as exceptions
          'no-throw-literal': 'error',
  
          // disallow unused expressions
          'no-unused-expressions': 'error',
  
          // disallow unnecessary calls to .call() and .apply()
          'no-useless-call': 'error',
  
          // disallow unnecessary concatenation of literals or template literals
          'no-useless-concat': 'error',
  
          // disallow unnecessary escape characters
          'no-useless-escape': 'error',
  
          // disallow void operators
          'no-void': 'error',
  
          // require parentheses around immediate function invocations
          'wrap-iife': 'error',
  
          // require or disallow “Yoda” conditions
          yoda: 'error',
  
          /*
           * Variables
           */
  
          // disallow labels that share a name with a variable
          'no-label-var': 'error',
  
          // disallow initializing variables to undefined
          'no-undef-init': 'error',
          'no-undef': 'off',
          // disallow the use of variables before they are defined
          'no-use-before-define': 'error',
  
          /*
           * Node.js and CommonJS
           */
  
          // disallow new operators with calls to require
          'no-new-require': 'error',
  
          /*
           * Stylistic Issues
           */
  
          // enforce consistent spacing inside array brackets
          'array-bracket-spacing': 'error',
  
          // enforce consistent spacing inside single-line blocks
          'block-spacing': 'error',
  
          // enforce consistent brace style for blocks
          'brace-style': ['error', '1tbs', {'allowSingleLine': true}],
  
          // require or disallow trailing commas
          'comma-dangle': 'error',
  
          // enforce consistent spacing before and after commas
          'comma-spacing': 'error',
  
          // enforce consistent comma style
          'comma-style': 'error',
  
          // enforce consistent spacing inside computed property brackets
          'computed-property-spacing': 'error',
  
          // require or disallow spacing between function identifiers and their invocations
          'func-call-spacing': 'error',
  
          // enforce consistent indentation
          indent: ['error', 2, {SwitchCase: 1}],
  
          // enforce the consistent use of either double or single quotes in JSX attributes
          'jsx-quotes': 'error',
  
          // enforce consistent spacing between keys and values in object literal properties
          'key-spacing': 'error',
  
          // enforce consistent spacing before and after keywords
          'keyword-spacing': 'error',
  
          // enforce consistent linebreak style
          'linebreak-style': 'off',
  
          // require or disallow newlines around directives
          'lines-around-directive': 'error',
  
          // require constructor names to begin with a capital letter
          'new-cap': 'off',
  
          // require parentheses when invoking a constructor with no arguments
          'new-parens': 'error',
  
          // disallow Array constructors
          'no-array-constructor': 'error',
  
          // disallow Object constructors
          'no-new-object': 'error',
  
          // disallow trailing whitespace at the end of lines
          'no-trailing-spaces': 'error',
  
          // disallow ternary operators when simpler alternatives exist
          'no-unneeded-ternary': 'error',
  
          // disallow whitespace before properties
          'no-whitespace-before-property': 'error',
  
          // enforce consistent spacing inside braces
          'object-curly-spacing': ['error', 'always'],
  
          // require or disallow padding within blocks
          'padded-blocks': ['error', 'never'],
  
          // require quotes around object literal property names
          'quote-props': ['error', 'as-needed'],
  
          // enforce the consistent use of either backticks, double, or single quotes
          quotes: ['error', 'single'],
  
          // enforce consistent spacing before and after semicolons
          'semi-spacing': 'error',
  
          // require or disallow semicolons instead of ASI
          // semi: ['error', 'never'],
  
          // enforce consistent spacing before blocks
          'space-before-blocks': 'error',
  
          'no-console': 'off',
  
          // enforce consistent spacing before function definition opening parenthesis
          'space-before-function-paren': ['error', 'never'],
  
          // enforce consistent spacing inside parentheses
          'space-in-parens': 'error',
  
          // require spacing around infix operators
          'space-infix-ops': 'error',
  
          // enforce consistent spacing before or after unary operators
          'space-unary-ops': 'error',
  
          // enforce consistent spacing after the // or /* in a comment
          'spaced-comment': 'error',
  
          // require or disallow Unicode byte order mark (BOM)
          'unicode-bom': 'error',
  
  
          /*
           * ECMAScript 6
           */
  
          // require braces around arrow function bodies
          'arrow-body-style': 'error',
  
          // require parentheses around arrow function arguments
          'arrow-parens': ['error', 'as-needed'],
  
          // enforce consistent spacing before and after the arrow in arrow functions
          'arrow-spacing': 'error',
  
          // enforce consistent spacing around * operators in generator functions
          'generator-star-spacing': ['error', 'after'],
  
          // disallow duplicate module imports
          'no-duplicate-imports': 'error',
  
          // disallow unnecessary computed property keys in object literals
          'no-useless-computed-key': 'error',
  
          // disallow unnecessary constructors
          'no-useless-constructor': 'error',
  
          // disallow renaming import, export, and destructured assignments to the same name
          'no-useless-rename': 'error',
  
          // require let or const instead of var
          'no-var': 'error',
  
          // require or disallow method and property shorthand syntax for object literals
          'object-shorthand': 'error',
  
          // require arrow functions as callbacks
          'prefer-arrow-callback': 'error',
  
          // require const declarations for variables that are never reassigned after declared
          'prefer-const': 'error',
  
          // disallow parseInt() in favor of binary, octal, and hexadecimal literals
          'prefer-numeric-literals': 'error',
  
          // require rest parameters instead of arguments
          'prefer-rest-params': 'error',
  
          // require spread operators instead of .apply()
          'prefer-spread': 'error',
  
          // enforce spacing between rest and spread operators and their expressions
          'rest-spread-spacing': 'error',
  
          // require or disallow spacing around embedded expressions of template strings
          'template-curly-spacing': 'error',
  
          // require or disallow spacing around the * in yield* expressions
          'yield-star-spacing': 'error'
      }
  }
  