nvim: allow to use shift + arrow for selecting text

.config/nvim/lua/my/keymaps.lua

@@ -74,3 +74,10 @@ map({ 'n', 'i', 'v' }, '<Home>',
 )
 
 map('n', '<C-F>', '==') -- re-indent line
+
+-- select text with shift + arrow
+for _, key in ipairs({ 'Left', 'Up', 'Down', 'Right' }) do
+    local format = string.format
+    map({ 'n', 'i' }, format('<S-%s>', key), format('<Esc>v<%s>', key))
+    map({ 'v' }, format('<S-%s>', key), format('<%s>', key))
+end