esLint result for tool generate nightwatch config.js before fix up

eslint tool/generate-nightwatch-config.js 

tool/generate-nightwatch-config.js
   2:0    error    Unexpected var, use let or const instead      no-var
   5:0    error    Unexpected var, use let or const instead      no-var
   5:4    error    filesystem is defined but never used          no-unused-vars
   8:0    error    Unexpected var, use let or const instead      no-var
   8:4    error    replace is defined but never used             no-unused-vars
  11:0    error    Unexpected var, use let or const instead      no-var
  14:0    error    Expected space or tab after // in comment     spaced-line-comment
  15:45   error    Missing space before opening brace            space-before-blocks
  15:45   error    Block must not be padded by blank lines       padded-blocks
  18:2    error    Keyword "if" must be followed by whitespace   space-after-keywords
  18:19   error    Missing space before opening brace            space-before-blocks
  19:19   error    Strings must use singlequote                  quotes
  21:2    warning  Unexpected console statement                  no-console
  21:14   error    Strings must use singlequote                  quotes
  22:2    warning  Unexpected console statement                  no-console
  22:14   error    Strings must use singlequote                  quotes
  25:0    error    Multiple blank lines not allowed              no-multiple-empty-lines
  26:2    error    Keyword "if" must be followed by whitespace   space-after-keywords
  26:13   error    Block must not be padded by blank lines       padded-blocks
  26:13   error    Missing space before opening brace            space-before-blocks
  30:96   error    Expected error to be handled                  handle-callback-err
  30:104  error    Unexpected space before function parentheses  space-before-function-paren
  30:129  error    Block must not be padded by blank lines       padded-blocks
  32:6    error    Keyword "if" must be followed by whitespace   space-after-keywords
  32:23   error    Missing space before opening brace            space-before-blocks
  33:8    warning  Unexpected console statement                  no-console
  33:57   error    Missing semicolon                             semi
  35:6    warning  Unexpected console statement                  no-console
  35:18   error    Strings must use singlequote                  quotes
  41:60   error    Block must not be padded by blank lines       padded-blocks
  41:60   error    Missing space before opening brace            space-before-blocks
  47:61   error    Block must not be padded by blank lines       padded-blocks
  47:61   error    Missing space before opening brace            space-before-blocks
  54:7    error    Block must not be padded by blank lines       padded-blocks
  54:23   error    Block must not be padded by blank lines       padded-blocks
  54:23   error    Missing space before opening brace            space-before-blocks
  56:8    error    Keyword "if" must be followed by whitespace   space-after-keywords
  56:25   error    Missing space before opening brace            space-before-blocks
  57:10   warning  Unexpected console statement                  no-console
  57:59   error    Missing semicolon                             semi
  61:87   error    Unexpected space before function parentheses  space-before-function-paren
  61:96   error    result is defined but never used              no-unused-vars
  62:10   error    Keyword "if" must be followed by whitespace   space-after-keywords
  62:19   error    Missing space before opening brace            space-before-blocks
  63:12   warning  Unexpected console statement                  no-console
  63:30   error    Missing semicolon                             semi
  65:10   warning  Unexpected console statement                  no-console
  65:22   error    Strings must use singlequote                  quotes
  67:9    error    Block must not be padded by blank lines       padded-blocks
  70:7    error    Block must not be padded by blank lines       padded-blocks
  73:5    error    Block must not be padded by blank lines       padded-blocks
  73:6    error    Missing semicolon                             semi
  76:3    error    Block must not be padded by blank lines       padded-blocks
  77:1    error    Missing semicolon                             semi

  ✖ 54 problems (47 errors, 7 warnings)