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function! prettier#utils#buffer#replace(lines, startSelection, endSelection) abort
" store view
let l:winview = winsaveview()
let l:newBuffer = prettier#utils#buffer#createBufferFromUpdatedLines(a:lines, a:startSelection, a:endSelection)
" we should not replace contents if the newBuffer is empty
if empty(l:newBuffer)
return
endif
" delete all lines on the current buffer
silent! execute len(l:newBuffer) . ',' . line('$') . 'delete _'
" replace all lines from the current buffer with output from prettier
call setline(1, l:newBuffer)
" Restore view
call winrestview(l:winview)
endfunction
" Replace and save the buffer
function! prettier#utils#buffer#replaceAndSave(lines, startSelection, endSelection) abort
call prettier#utils#buffer#replace(a:lines, a:startSelection, a:endSelection)
write
endfunction
" Returns 1 if content has changed
function! prettier#utils#buffer#willUpdatedLinesChangeBuffer(lines, start, end) abort
return getbufline(bufnr('%'), 1, line('$')) == prettier#utils#buffer#createBufferFromUpdatedLines(a:lines, a:start, a:end) ? 0 : 1
endfunction
" Returns a new buffer with lines replacing start and end of the contents of the current buffer
function! prettier#utils#buffer#createBufferFromUpdatedLines(lines, start, end) abort
return getbufline(bufnr('%'), 1, a:start - 1) + a:lines + getbufline(bufnr('%'), a:end + 1, '$')
endfunction
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