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18 changes: 14 additions & 4 deletions autoload/fern/internal/replacer.vim
Original file line number Diff line number Diff line change
Expand Up @@ -97,16 +97,26 @@ function! s:BufWriteCmd() abort
for Modifier in b:fern_replacer_modifiers
let result = Modifier(result)
endfor
let l:Resolve = b:fern_replacer_resolve
set nomodified
close
call Resolve(result)
catch
echohl ErrorMsg
echo '[fern] Please fix the following error first to continue or cancel with ":q!"'
echo printf('[fern] %s', substitute(v:exception, '^Vim(.*):', '', ''))
echohl None
return
endtry
set nomodified
let l:Resolve = b:fern_replacer_resolve
let winid = win_getid()
let bufnr = bufnr()
call timer_start(0, { -> s:post_write(l:Resolve, result, winid, bufnr) })
endfunction

function! s:post_write(resolve, result, winid, bufnr) abort
if winbufnr(a:winid) == a:bufnr
call win_execute(a:winid, 'close')
endif
let l:Resolve = a:resolve
call Resolve(a:result)
endfunction

function! s:syntax() abort
Expand Down