This project is an adaptation from Objective-C to Swift 4 of "NSProgressIndicator-ESSProgressIndicatorCategory", all the credits go to Matthias Gansrigler
The logic is the same, I included minor improvements to take advantage of Swift syntaxis
Original url: https://github.com/eternalstorms/NSProgressIndicator-ESSProgressIndicatorCategory
This project has the same example provided on the original repo: