<leader>q for qflist toggle

lua/409/remap.lua

@@ -47,3 +47,20 @@ vim.keymap.set("v", ">", ">gv")
 
 vim.keymap.set("n", "]q", "<cmd>cnext<CR>")
 vim.keymap.set("n", "[q", "<cmd>cprev<CR>")
+
+-- toggle quickfix list
+vim.keymap.set("n", "<leader>q", function()
+	local qf_exists = false
+	for _, win in pairs(vim.fn.getwininfo()) do
+		if win["quickfix"] == 1 then
+			qf_exists = true
+		end
+	end
+	if qf_exists == true then
+		vim.cmd("cclose")
+		return
+	end
+	if not vim.tbl_isempty(vim.fn.getqflist()) then
+		vim.cmd("copen")
+	end
+end)