eslint

/Volumes/diskE/Users/t5e/Projects/blog/hugo-tranquilpeak-theme/Gruntfile.js
   4:3   error  Unexpected var, use let or const instead  no-var
  39:10  error  Unexpected var, use let or const instead  no-var
  47:3   error  Unexpected var, use let or const instead  no-var
  48:3   error  Unexpected var, use let or const instead  no-var

/Volumes/diskE/Users/t5e/Projects/blog/hugo-tranquilpeak-theme/src/js/about.js
   10:3   error  Unexpected var, use let or const instead  no-var
   11:23  error  Strings must use singlequote              quotes
   11:49  error  Strings must use singlequote              quotes
   25:7   error  Unexpected var, use let or const instead  no-var
   43:7   error  Unexpected var, use let or const instead  no-var
   60:7   error  Unexpected var, use let or const instead  no-var
   78:7   error  Unexpected var, use let or const instead  no-var
   79:7   error  Unexpected var, use let or const instead  no-var
   81:7   error  Unexpected var, use let or const instead  no-var
  103:7   error  Unexpected var, use let or const instead  no-var
  104:7   error  Unexpected var, use let or const instead  no-var
  106:7   error  Unexpected var, use let or const instead  no-var
  120:5   error  Unexpected var, use let or const instead  no-var

/Volumes/diskE/Users/t5e/Projects/blog/hugo-tranquilpeak-theme/src/js/archives-filter.js
   11:3  error  Unexpected var, use let or const instead  no-var
   35:7  error  Unexpected var, use let or const instead  no-var
   74:7  error  Unexpected var, use let or const instead  no-var
  156:7  error  Unexpected var, use let or const instead  no-var

/Volumes/diskE/Users/t5e/Projects/blog/hugo-tranquilpeak-theme/src/js/categories-filter.js
   11:3   error  Unexpected var, use let or const instead  no-var
   40:7   error  Unexpected var, use let or const instead  no-var
  112:7   error  Unexpected var, use let or const instead  no-var
  113:7   error  Unexpected var, use let or const instead  no-var
  114:7   error  Unexpected var, use let or const instead  no-var
  115:7   error  Unexpected var, use let or const instead  no-var
  123:25  error  Unexpected 'this'                         no-invalid-this
  126:15  error  Unexpected var, use let or const instead  no-var
  162:7   error  Unexpected var, use let or const instead  no-var

/Volumes/diskE/Users/t5e/Projects/blog/hugo-tranquilpeak-theme/src/js/codeblock-resizer.js
  11:3   error  Unexpected var, use let or const instead  no-var
  21:7   error  Unexpected var, use let or const instead  no-var
  35:7   error  Unexpected var, use let or const instead  no-var
  37:9   error  Unexpected var, use let or const instead  no-var
  37:25  error  Unexpected 'this'                         no-invalid-this
  38:9   error  Unexpected var, use let or const instead  no-var
  38:23  error  Unexpected 'this'                         no-invalid-this
  40:9   error  Unexpected var, use let or const instead  no-var
  42:9   error  Unexpected var, use let or const instead  no-var
  42:23  error  Unexpected 'this'                         no-invalid-this
  55:5   error  Unexpected var, use let or const instead  no-var

/Volumes/diskE/Users/t5e/Projects/blog/hugo-tranquilpeak-theme/src/js/fancybox.js
  12:7  error  Unexpected var, use let or const instead  no-var
  13:7  error  Unexpected var, use let or const instead  no-var

/Volumes/diskE/Users/t5e/Projects/blog/hugo-tranquilpeak-theme/src/js/header.js
  10:3  error  Unexpected var, use let or const instead  no-var
  26:7  error  Unexpected var, use let or const instead  no-var
  27:7  error  Unexpected var, use let or const instead  no-var
  48:7  error  Unexpected var, use let or const instead  no-var
  68:5  error  Unexpected var, use let or const instead  no-var

/Volumes/diskE/Users/t5e/Projects/blog/hugo-tranquilpeak-theme/src/js/image-gallery.js
  10:3   error  Unexpected var, use let or const instead  no-var
  22:7   error  Unexpected var, use let or const instead  no-var
  38:7   error  Unexpected var, use let or const instead  no-var
  39:7   error  Unexpected var, use let or const instead  no-var
  40:7   error  Unexpected var, use let or const instead  no-var
  41:7   error  Unexpected var, use let or const instead  no-var
  42:7   error  Unexpected var, use let or const instead  no-var
  43:7   error  Unexpected var, use let or const instead  no-var
  46:20  error  Unexpected 'this'                         no-invalid-this
  97:7   error  Unexpected var, use let or const instead  no-var

/Volumes/diskE/Users/t5e/Projects/blog/hugo-tranquilpeak-theme/src/js/post-bottom-bar.js
  11:3  error  Unexpected var, use let or const instead  no-var
  26:7  error  Unexpected var, use let or const instead  no-var
  27:7  error  Unexpected var, use let or const instead  no-var
  48:7  error  Unexpected var, use let or const instead  no-var
  49:7  error  Unexpected var, use let or const instead  no-var
  67:7  error  Unexpected var, use let or const instead  no-var

/Volumes/diskE/Users/t5e/Projects/blog/hugo-tranquilpeak-theme/src/js/search-modal.js
    8:3   error  Unexpected var, use let or const instead  no-var
   26:7   error  Unexpected var, use let or const instead  no-var
   35:9   error  Unexpected var, use let or const instead  no-var
   48:26  error  Unexpected 'this'                         no-invalid-this
   98:7   error  Unexpected var, use let or const instead  no-var
  113:7   error  Unexpected var, use let or const instead  no-var
  115:9   error  Unexpected var, use let or const instead  no-var
  168:7   error  Unexpected var, use let or const instead  no-var
  200:11  error  Unexpected 'this'                         no-invalid-this
  209:7   error  Unexpected var, use let or const instead  no-var

/Volumes/diskE/Users/t5e/Projects/blog/hugo-tranquilpeak-theme/src/js/share-options.js
  10:3  error  Unexpected var, use let or const instead  no-var
  23:7  error  Unexpected var, use let or const instead  no-var
  47:7  error  Unexpected var, use let or const instead  no-var
  67:7  error  Unexpected var, use let or const instead  no-var
  86:5  error  Unexpected var, use let or const instead  no-var

/Volumes/diskE/Users/t5e/Projects/blog/hugo-tranquilpeak-theme/src/js/sidebar.js
   10:3  error  Unexpected var, use let or const instead  no-var
   32:7  error  Unexpected var, use let or const instead  no-var
   97:7  error  Unexpected var, use let or const instead  no-var
  131:7  error  Unexpected var, use let or const instead  no-var
  149:7  error  Unexpected var, use let or const instead  no-var
  164:5  error  Unexpected var, use let or const instead  no-var

/Volumes/diskE/Users/t5e/Projects/blog/hugo-tranquilpeak-theme/src/js/tabbed-codeblocks.js
  11:3   error  Unexpected var, use let or const instead  no-var
  21:7   error  Unexpected var, use let or const instead  no-var
  23:9   error  Unexpected var, use let or const instead  no-var
  23:28  error  Unexpected 'this'                         no-invalid-this
  24:9   error  Unexpected var, use let or const instead  no-var
  26:11  error  Unexpected 'this'                         no-invalid-this
  28:11  error  Unexpected 'this'                         no-invalid-this
  32:27  error  Unexpected 'this'                         no-invalid-this
  38:5   error  Unexpected var, use let or const instead  no-var

/Volumes/diskE/Users/t5e/Projects/blog/hugo-tranquilpeak-theme/src/js/tags-filter.js
   11:3  error  Unexpected var, use let or const instead  no-var
   34:7  error  Unexpected var, use let or const instead  no-var
  132:7  error  Unexpected var, use let or const instead  no-var

/Volumes/diskE/Users/t5e/Projects/blog/hugo-tranquilpeak-theme/tasks/config/cssmin.js
  1:1  error  Unexpected var, use let or const instead  no-var

/Volumes/diskE/Users/t5e/Projects/blog/hugo-tranquilpeak-theme/tasks/config/sails-linker.js
   2:3   error  Unexpected var, use let or const instead  no-var
   3:3   error  Unexpected var, use let or const instead  no-var
  10:11  error  Unexpected var, use let or const instead  no-var
  11:72  error  Strings must use singlequote              quotes
  24:11  error  Unexpected var, use let or const instead  no-var
  25:72  error  Strings must use singlequote              quotes
  38:11  error  Unexpected var, use let or const instead  no-var
  39:72  error  Strings must use singlequote              quotes
  52:11  error  Unexpected var, use let or const instead  no-var
  53:72  error  Strings must use singlequote              quotes

/Volumes/diskE/Users/t5e/Projects/blog/hugo-tranquilpeak-theme/tasks/config/uglify.js
  1:1  error  Unexpected var, use let or const instead  no-var
  4:3  error  Unexpected var, use let or const instead  no-var
  5:3  error  Unexpected var, use let or const instead  no-var

/Volumes/diskE/Users/t5e/Projects/blog/hugo-tranquilpeak-theme/tasks/pipeline.js
   2:1  error  Unexpected var, use let or const instead  no-var
  11:1  error  Unexpected var, use let or const instead  no-var