vim: merge bufnum, filename and modified identifier in one component of lightline

vim/vimrc

@@ -86,19 +86,27 @@ let g:vimspector_base_dir=expand( '$HOME/.config/vimspector' )
 " Lightline
 set laststatus=2
 set noshowmode
+
 function! CocCurrentFunction()
     return get(b:, 'coc_current_function', '')
 endfunction
 
+function! LightlineFileName()
+  let filename = expand('%:t') !=# '' ? expand('%:t') : '[New]'
+  let modified = &modified ? '*': ''
+  return bufnr() . '>' . filename . modified
+endfunction
+
 let g:lightline = {
       \ 'colorscheme': 'darcula',
       \ 'active': {
       \   'left': [ [ 'mode', 'paste' ],
-      \             [ 'cocstatus', 'currentfunction', 'readonly', 'filename', 'modified' ] ]
+      \             [ 'readonly', 'filename', 'cocstatus', 'currentfunction' ] ]
       \ },
       \ 'component_function': {
       \   'cocstatus': 'coc#status',
-      \   'currentfunction': 'CocCurrentFunction'
+      \   'currentfunction': 'CocCurrentFunction',
+      \   'filename': 'LightlineFileName'
       \ },
       \ }