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Rewrite in a performant language e.g. Golang #111
Description
Stackline spikes in CPU whenever I switch windows. This has a significant battery impact which would be reduced by using a compiled language such as Golang.
The dependency on Hammerspoon can be removed entirely as all the event listeners are all supported by yabai out of the box.
I may look into it in the future but it's low-priority in my TODO list.
Activity
prurph commentedon Aug 12, 2022
Isn't Hammerspoon being used to actually render the icons?
es183923 commentedon Aug 12, 2022
literally everything depends on hammerspoon. The timers, rendering the app icons/pills, clicks, being updated on certain events, logging, etc. Some of this can be removed, but mainly rendering the icons/pills and clicks require hammerspoon.
devnoname120 commentedon Aug 12, 2022
Yes it would be a complete rewrite from scratch. I'll use this project as inspiration for what it will look like but otherwise there won't be much in common.
mizlan commentedon Feb 29, 2024
@devnoname120 have you worked on it?
devnoname120 commentedon Feb 29, 2024
liam-mackie commentedon Jul 29, 2025
I've written an alternative in Swift. You can find it here: https://github.com/liam-mackie/stackline-swift 😄
Happy to get feedback and contributions, I've built it to be pretty specific to my own requirements, and it's very hacky. That being said, it's handled by automatically adding events to yabai rather than polling, and in my testing, the energy impact is pretty small.
devnoname120 commentedon Aug 14, 2025
Liam’s rewrite is working really well and fast, I recommend everyone to try!