The following diagram shows the first few layers deep (breadth-first) of functions that are invoked by the main function loop.
Functions with an orange border come from the janet-termios library. Functions with a green border come from the jermbox submodule.
%% Top Node
graph LR
%% Style Classes
classDef violet stroke:#862e9c
classDef purple stroke:#5f3dc4
classDef indigo stroke:#364fc7
classDef blue stroke:#1864ab
classDef green stroke:#5c940d
classDef orange stroke:#e67700
%% Functions
%% idt(janet-termios)
%% No longer used: idt.1(enable-raw-mode):::orange
%% No longer used: idt.2(read-key):::orange
%% No longer used: idt.3(disable-raw-mode):::orange
idt.4(get-window-size):::orange
%% idj(jermbox)
idj.1(jermbox/init-jermbox):::green
idj.2(jermbox/shutdown-jermbox):::green
idj.3(jermbox/readkey):::green
id1(main)
id1.1(init):::violet
%% idj.1(init-jermbox)
id1.1.1(reset-editor-state):::violet
%% idt.4(get-window-size):::violet
id1.1.2(editor-open):::violet
id1.2(editor-refresh-screen):::purple
id1.2.1(update-screen-sizes):::purple
id1.2.2(editor-scroll):::purple
id1.2.3(editor-update-rows):::purple
id1.2.3.1(render-tabs):::purple
id1.2.3.2(slice-rows):::purple
id1.2.3.3(apply-h-scroll):::purple
id1.2.3.4(trim-to-width):::purple
id1.2.3.5(add-syntax-hl):::purple
id1.2.3.6(add-search-hl):::purple
id1.2.3.7(add-select-hl):::purple
id1.2.3.8(fill-empty-rows):::purple
id1.2.3.9(add-welcome-message):::purple
id1.2.3.10(apply-margin):::purple
id1.2.3.11(add-status-bar):::purple
id1.2.3.12(join-rows):::purple
id1.2.4(get-margin):::purple
id1.3(editor-process-keypress):::indigo
%% idt2(read-key):::indigo
id1.3.1{{keymap}}:::indigo
id1.3.1.1(ctrl-key functions):::indigo
id1.3.1.1.1("close-file (quit)"):::indigo
id1.3.1.1.2(toggle-line-numbers):::indigo
id1.3.1.1.3(load-file-modal):::indigo
id1.3.1.1.4(save-file):::indigo
id1.3.1.1.5(save-file-as):::indigo
id1.3.1.1.6(enter-debugger):::indigo
id1.3.1.1.7("close-file (close)"):::indigo
id1.3.1.1.8(find-in-text-modal):::indigo
id1.3.1.1.9(jump-to-modal):::indigo
id1.3.1.1.10(undo):::indigo
id1.3.1.1.11(redo):::indigo
id1.3.1.1.12("copy-to-clipboard (copy"):::indigo
id1.3.1.1.13("copy-to-clipboard (cut)"):::indigo
id1.3.1.1.14(paste-clipboard):::indigo
id1.3.1.1.15(paste-clipboard):::indigo
id1.3.1.2(:page-up):::indigo
id1.3.1.3(:page-down):::indigo
id1.3.1.4(:home):::indigo
id1.3.1.5(:end):::indigo
id1.3.1.6(:tab):::indigo
id1.3.1.7(:leftarrow):::indigo
id1.3.1.8(:rightarrow):::indigo
id1.3.1.9(:uparrow):::indigo
id1.3.1.10(:downarrow):::indigo
id1.3.1.11(:ctrluparrow):::indigo
id1.3.1.12(:ctrldownarrow):::indigo
id1.3.1.13(:shiftleftarrow):::indigo
id1.3.1.14(:shiftrightarrow):::indigo
id1.3.1.15(:shiftuparrow):::indigo
id1.3.1.16(:shiftdownarrow):::indigo
id1.3.1.17(:shiftdel):::indigo
id1.3.1.18(:enter):::indigo
id1.3.1.19(:esc):::indigo
id1.3.1.20(:backspace):::indigo
id1.3.1.21(:del):::indigo
id1.3.2(editor-handletyping):::indigo
id1.4(exit):::blue
%% idj.2(shutdown-jermbox)
%% idt.3(disable-raw-mode)
%% Connections
id1 --> id1.1 & id1.2 & id1.3 & id1.4
id1.1 --> idj.1 & id1.1.1 & id1.1.2
id1.1.1 --> idt.4
subgraph while
id1.2 --> id1.2.1 & id1.2.2 & id1.2.3 & id1.2.4
id1.2.3 --> id1.2.3.1 & id1.2.3.2 & id1.2.3.3 & id1.2.3.4 & id1.2.3.5 & id1.2.3.6 & id1.2.3.7 & id1.2.3.8 & id1.2.3.9 & id1.2.3.10 & id1.2.3.11 & id1.2.3.12
id1.3 --> idj.3 & id1.3.1 & id1.3.2
id1.3.1 --> id1.3.1.1 & id1.3.1.2 & id1.3.1.3 & id1.3.1.4 & id1.3.1.5 & id1.3.1.6 & id1.3.1.7 & id1.3.1.8 & id1.3.1.9 & id1.3.1.10 & id1.3.1.11 & id1.3.1.12 & id1.3.1.13 & id1.3.1.14 & id1.3.1.15 & id1.3.1.16 & id1.3.1.17 & id1.3.1.18 & id1.3.1.19 & id1.3.1.20 & id1.3.1.21
id1.3.1.1 --> id1.3.1.1.1 & id1.3.1.1.2 & id1.3.1.1.3 & id1.3.1.1.4 & id1.3.1.1.5 & id1.3.1.1.6 & id1.3.1.1.7 & id1.3.1.1.8 & id1.3.1.1.9 & id1.3.1.1.10 & id1.3.1.1.11 & id1.3.1.1.12 & id1.3.1.1.13 & id1.3.1.1.14 & id1.3.1.1.15
end
id1.4 --> idj.2