How would you make this?(twitter.com)

5 pointsby bgdkbtvقبل 11 شهرًا1 comments

https://twitter.com/bankertobuilder/status/1961602207272370489

1 comments

bgdkbtvقبل 11 شهرًا

I suppose drawing rectangles as GeoJSON on a map is the easy part. How would you build the parking spots allocation within a selected area?