Question

I want to return to insert mode after writing (see: else)

function! SaveOrSaveAsInInsert()
  if @% == ""
    :browse saveas
  else
    :w     
    "//TODO: Return to insert mode
  endif
endfunction

Tried with :w<CR>a but does not work.

Thanks!

Edit

@Randy Morris, commented using startinsert which works. On the other hand :h inserting-ex says:

NOTE: These commands cannot be used
with |:global| or |:vglobal|.
“:append” and “:insert” don’t work
properly in between “:if” and
“:endif”, “:for” and “:endfor”,
“:while” and “:endwhile”.

So my question is am I stuck with startinsert i equivalent, or is there a way to get around with an a behavior? Or should I stick with imap <C-s> <Esc>w<CR>a and no filename testing?

Answer 1

inoremap <expr> <c-s> "\<esc>:" . (@% == "" ? "browse saveas" : "w") . "\<cr>gi"

I use gi to get back to insert mode. And use an expression mapping to determine if the file has been saved or not.