Switch to hybrid relative number in vim

vimrc

@@ -282,6 +282,7 @@ set textwidth=0
 "[Settings of line numbers]"
 set number
 set numberwidth=2
+set relativenumber
 "[Don't show current position]"
 set ruler
 "[For regular expressions turn magic on]"
@@ -452,3 +453,12 @@ function! ShowModeInStatusLine()
     endif
     return g:showMode
 endfunction
+"[Toggle relativenumber between normal & insert mode]"
+"[Credit: https://jeffkreeftmeijer.com/vim-number/#relative-line-numbers ]"
+if has("autocmd")
+    augroup numbertoggle
+        autocmd!
+        autocmd BufEnter,FocusGained,InsertLeave * set relativenumber
+        autocmd BufLeave,FocusLost,InsertEnter * set norelativenumber
+    augroup END
+endif