feat(health): make :checkhealth support more split modifiers (#26731)

1 files changed, 11 insertions, 18 deletions

diff --git a/runtime/lua/vim/health.lua b/runtime/lua/vim/health.lua
index 4659ab1694..6c96a703bb 100644
--- a/runtime/lua/vim/health.lua
+++ b/runtime/lua/vim/health.lua
@@ -266,29 +266,22 @@ M._complete = function()
   return vim.tbl_keys(unique)
 end
 
--- Runs the specified healthchecks.
--- Runs all discovered healthchecks if plugin_names is empty.
--- splitmod controls how the healthcheck window opens: "vertical", "horizontal" or "tab"
-function M._check(splitmod, plugin_names)
+--- Runs the specified healthchecks.
+--- Runs all discovered healthchecks if plugin_names is empty.
+---
+--- @param mods string command modifiers that affect splitting a window.
+function M._check(mods, plugin_names)
   local healthchecks = plugin_names == '' and get_healthcheck('*') or get_healthcheck(plugin_names)
 
   local emptybuf = vim.fn.bufnr('$') == 1 and vim.fn.getline(1) == '' and 1 == vim.fn.line('$')
-  local mod = function()
-    if splitmod == 'vertical' then
-      return 'vertical sbuffer'
-    elseif splitmod == 'horizontal' then
-      return 'horizontal sbuffer'
-    elseif emptybuf then
-      -- if this is the default buffer when Nvim starts, open healthcheck directly
-      return 'buffer'
-    else
-      -- if not specified otherwise open healthcheck in a tab
-      return 'tab sbuffer'
-    end
-  end
+
+  -- When no command modifiers are used:
+  -- - If the current buffer is empty, open healthcheck directly.
+  -- - If not specified otherwise open healthcheck in a tab.
+  local buf_cmd = #mods > 0 and (mods .. ' sbuffer') or emptybuf and 'buffer' or 'tab sbuffer'
 
   local bufnr = vim.api.nvim_create_buf(true, true)
-  vim.cmd(mod() .. ' ' .. bufnr)
+  vim.cmd(buf_cmd .. ' ' .. bufnr)
 
   if vim.fn.bufexists('health://') == 1 then
     vim.cmd.bwipe('health://')