npm run build

...
> NODE_ENV=production webpack -p --optimize-minimize --progress

Hash: 507442a8360b5887ba16
Version: webpack 2.7.0
Time: 5405ms
                                    Asset     Size  Chunks                    Chunk Names
             main.b1bca8017ca9af49009d.js   663 kB       0  [emitted]  [big]  main
main.1deed9475710497dbbb0a71ad52326c1.css  73.9 kB       0  [emitted]         main
   [0] ./app/static/js/Util.js 2.37 kB {0} [built]
   [4] ./app/static/js/Icon.js 2.15 kB {0} [built]
  [20] ./app/static/js/Editor.js 4.47 kB {0} [built]
  [32] ./~/tingle.js/dist/tingle.min.js 7.64 kB {0} [built]
  [35] ./app/static/js/main.js 16.5 kB {0} [built]
  [36] ./app/static/js/ext/CustomElements.min.js 30.5 kB {0} [built]
  [37] ./app/static/js/ext/konami.js 4.24 kB {0} [built]
  [44] ./~/autocompleter/autocomplete.js 12.8 kB {0} [built]
  [45] ./app/static/js/Expando.js 7.64 kB {0} [built]
  [46] ./app/static/js/Messages.js 4.27 kB {0} [built]
  [47] ./app/static/js/Poll.js 8.17 kB {0} [built]
  [48] ./app/static/js/Post.js 26.3 kB {0} [built]
  [49] ./app/static/js/Socket.js 6.88 kB {0} [built]
  [50] ./app/static/js/Sub.js 4.29 kB {0} [built]
 [126] multi ./app/static/js/main.js 28 bytes {0} [built]
    + 124 hidden modules

ERROR in main.b1bca8017ca9af49009d.js from UglifyJs
Unexpected token: name (index) [main.b1bca8017ca9af49009d.js:332,5]
Child extract-text-webpack-plugin:
       [0] ./~/css-loader/lib/css-base.js 1.46 kB {0} [built]
       [1] ./~/css-loader!./~/autocompleter/autocomplete.css 546 bytes {0} [built]
Child extract-text-webpack-plugin:
       [0] ./~/css-loader/lib/css-base.js 1.46 kB {0} [built]
       [1] ./~/css-loader!./~/purecss/build/base.css 2.49 kB {0} [built]
Child extract-text-webpack-plugin:
       [0] ./~/css-loader/lib/css-base.js 1.46 kB {0} [built]
       [1] ./~/css-loader!./~/purecss/build/forms.css 7.37 kB {0} [built]
Child extract-text-webpack-plugin:
       [0] ./~/css-loader/lib/css-base.js 1.46 kB {0} [built]
       [1] ./~/css-loader!./~/purecss/build/buttons.css 2.5 kB {0} [built]
Child extract-text-webpack-plugin:
       [0] ./~/css-loader/lib/css-base.js 1.46 kB {0} [built]
       [1] ./~/css-loader!./~/purecss/build/grids.css 3.15 kB {0} [built]
Child extract-text-webpack-plugin:
       [0] ./~/css-loader/lib/css-base.js 1.46 kB {0} [built]
       [1] ./~/css-loader!./~/purecss/build/grids-responsive.css 9.92 kB {0} [built]
Child extract-text-webpack-plugin:
       [0] ./~/css-loader/lib/css-base.js 1.46 kB {0} [built]
       [1] ./~/css-loader!./~/tingle.js/dist/tingle.css 3.75 kB {0} [built]
Child extract-text-webpack-plugin:
       [0] ./~/css-loader/lib/css-base.js 1.46 kB {0} [built]
       [1] ./~/css-loader!./~/flatpickr/dist/themes/dark.css 15.7 kB {0} [built]
Child extract-text-webpack-plugin:
       [0] ./~/css-loader/lib/css-base.js 1.46 kB {0} [built]
       [1] ./~/css-loader!./app/static/css/main.css 23.3 kB {0} [built]
Child extract-text-webpack-plugin:
       [0] ./~/css-loader/lib/css-base.js 1.46 kB {0} [built]
       [1] ./~/css-loader!./app/static/css/dark.css 6.71 kB {0} [built]
npm ERR! code ELIFECYCLE
npm ERR! errno 2
npm ERR! throat@1.0.0 build: `NODE_ENV=production webpack -p --optimize-minimize --progress`
npm ERR! Exit status 2
npm ERR!
npm ERR! Failed at the throat@1.0.0 build script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR!     /home/app/.npm/_logs/2020-01-19T23_38_02_193Z-debug.log