feat: add config option to open curl in horizontal split instead of tab

README.md

@@ -120,6 +120,7 @@ Or if you use [Lazy](https://github.com/folke/lazy.nvim), just pass the table in
   -- Specify an alternative curl binary that will be used to run curl commands
   -- String of either full path, or binary in path
   curl_binary = nil,
+  open_with = "tab" -- use "split" to open in horizontal split
   mappings = {
       execute_curl = "<CR>"
   }

lua/curl/buffers.lua

@@ -35,13 +35,20 @@ local function find_curl_tab_windid()
 end
 
 local function open_or_goto_curl_tab()
-	local tab_win_id = find_curl_tab_windid()
-	if tab_win_id ~= nil then
-		return tab_win_id
-	end
+	local config = require("curl.config")
+	local open_with = config.get("open_with")
+
+	if open_with == "split" then
+		vim.cmd("botright split | wincmd j")
+	else
+		local tab_win_id = find_curl_tab_windid()
+		if tab_win_id ~= nil then
+			return tab_win_id
+		end
 
-	vim.cmd("tabnew")
-	vim.api.nvim_tabpage_set_var(0, "id", TAB_ID)
+		vim.cmd("tabnew")
+		vim.api.nvim_tabpage_set_var(0, "id", TAB_ID)
+	end
 end
 
 local open_command_buffer = function(command_file)

lua/curl/config.lua

@@ -4,6 +4,8 @@ local default_config = {
 	default_flags = {},
 	---@type string
 	curl_binary = nil,
+	---@type "tab"|"split"
+	open_with = "tab", -- tab or split
 	---@type table<'execute_curl', string>
 	mappings = {
 		execute_curl = "<CR>",

tests/config/config_spec.lua

@@ -7,6 +7,40 @@ after_each(function()
 	api.close_curl_tab(true)
 end)
 
+describe("Split option opens split instead of tab", function()
+	local function test_split(open_func, arg)
+		local tabpages_before = #vim.api.nvim_list_tabpages()
+		curl.setup({ open_with = "split" })
+		open_func(arg)
+		local tabpages_after = #vim.api.nvim_list_tabpages()
+
+		test_util.assert_equals(tabpages_before, tabpages_after, "No new tab should be opened")
+
+		local buf_name = vim.api.nvim_buf_get_name(0)
+		local is_curl_file = buf_name:match("%.curl$") ~= nil
+		test_util.assert_equals(is_curl_file, true, "Should open a curl file")
+
+		local windows_open = #vim.api.nvim_tabpage_list_wins(0)
+		test_util.assert_equals(windows_open, 2, "Should split window in 2")
+	end
+
+	it("when using collection scoped", function()
+		test_split(api.open_curl_tab)
+	end)
+
+	it("when using global scoped", function()
+		test_split(api.open_global_tab)
+	end)
+
+	it("when using global collection", function()
+		test_split(api.open_global_collection, "foo")
+	end)
+
+	it("when using scoped collection", function()
+		test_split(api.open_scoped_collection, "bar")
+	end)
+end)
+
 describe("Config", function()
 	it("has default mapping", function()
 		local default_mapping = config.get("mappings")["execute_curl"]