Brave fails to build due to npm issues

[ShalokShalom]

• Describe the issue you encountered:
  fails to build
• Platform (Win7, 8, 10? macOS? Linux distro?):
  KaOS
• Brave Version (revision SHA):
  13.5
• Can this issue be consistently reproduced?
  Yes.
• Any related issues:
  outdated npm dependencies  #7855

npm ERR! Linux 4.9.12-1
npm ERR! argv "/usr/bin/node" "/usr/bin/npm" "run" "build-package"
npm ERR! node v7.7.3
npm ERR! npm  v4.1.2
npm ERR! code ELIFECYCLE
npm ERR! brave@0.13.5 build-package: `node ./tools/buildPackage.js`
npm ERR! Exit status 1
npm ERR! 
npm ERR! Failed at the brave@0.13.5 build-package script 'node ./tools/buildPackage.js'.
npm ERR! Make sure you have the latest version of node.js and npm installed.
npm ERR! If you do, this is most likely a problem with the brave package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR!     node ./tools/buildPackage.js
npm ERR! You can get information on how to open an issue for this project with:
npm ERR!     npm bugs brave
npm ERR! Or if that isn't available, you can get their info via:
npm ERR!     npm owner ls brave
npm ERR! There is likely additional logging output above.

npm ERR! Please include the following file with any support request:
npm ERR!     /home/matthias/Documents/makepkg/brave/src/browser-laptop-0.13.5dev/npm-debug.log

Mentioned npm-debug.log: https://gist.github.com/ShalokShalom/185b910e57af9355ac26e1b95f4925cf