Tmux zen mode wich reproduce VSCode's zen mode (Ctrl+k z)

.tmux-zen-mode.conf

# [...] inside .tmux.conf

bind z source-file ~/.config/tmux/zen.tmux            # Or the script destination
bind C-z source-file ~/.config/tmux/exit-zen.tmux     # Or the script destination

# [...]

exit-tmux-zen-mode.tmux

# exit zen mode
# ! don't forget to have your main window active !

kill-pane -a -t 2

tmux-zen-mode.tmux

# Create 2 empty pane on the side of the main one
# ! you need to have only one pane when activating zen mode !
# reproduce VSCode zen mode

#new-window -n "zen"  # if you want it created in a new window

# 25% side bars: 75 - 33
# 20% side bars: 80 - 25
splitw -h -p 80 -c '~' ''   # create the right empty pane
splitw -h -p 25 -c '~' ''   # create the left empty pane
swap-pane -s 1 -t 2         # swap because pane are created on the right side
selectp -t 2                # refocus on the main pane