I also wondered about the complexities of implementing Vue so I made a small clone sometime ago, put it on github so one can see the moving parts of a Vue-like

I also wondered about the complexities of implementing Vue so I made a small clone sometime ago, put it on github so one can see the moving parts of a Vue-like that supports things like arrays, else blocks,etc. The functionality needed was about 500 LoC. (Some bad variable names here and there still since it was mostly a quick-hack for my own learning but put it up anyhow) https://github.com/whizzter/picotpl https://github.com/whizzter/picotpl