feat: 'diagnostics.icon_padding' for extra wide icons (#470)

README.md

@@ -829,10 +829,11 @@ require'fzf-lua'.setup {
   },
   diagnostics ={
     prompt            = 'Diagnostics❯ ',
-    cwd_only          = false,      -- limit to cwd only?
+    cwd_only          = false,
     file_icons        = true,
     git_icons         = false,
     diag_icons        = true,
+    icon_padding      = '',     -- add padding for wide diagnostics signs
     -- by default icons and highlights are extracted from 'DiagnosticSignXXX'
     -- and highlighted by a highlight group of the same name (which is usually
     -- set by your colorscheme, for more info see:

doc/fzf-lua.txt

@@ -868,10 +868,11 @@ open an issue and I'll be more than happy to help.**
       },
       diagnostics ={
         prompt            = 'Diagnostics❯ ',
-        cwd_only          = false,      -- limit to cwd only?
+        cwd_only          = false,
         file_icons        = true,
         git_icons         = false,
         diag_icons        = true,
+        icon_padding      = '',     -- add padding for wide diagnostics signs
         -- by default icons and highlights are extracted from 'DiagnosticSignXXX'
         -- and highlighted by a highlight group of the same name (which is usually
         -- set by your colorscheme, for more info see:

lua/fzf-lua/providers/diagnostic.lua

@@ -170,7 +170,8 @@ M.diagnostics = function(opts)
                   if opts.color_icons then
                     icon = utils.ansi_from_hl(value.texthl, icon)
                   end
-                  entry = icon .. utils.nbsp .. utils.nbsp .. entry
+                  entry = string.format("%s%s%s%s",
+                    icon, opts.icon_padding or '', utils.nbsp, entry)
                 end
                 fzf_cb(entry, function() coroutine.resume(co) end)
               end