add treesitter depth setup

lua/navigator.lua

@@ -33,6 +33,7 @@ _NgConfigValues = {
   treesitter_analysis = true, -- treesitter variable context
   treesitter_analysis_max_num = 100, -- how many items to run treesitter analysis
   treesitter_analysis_condense = true, -- short format of function
+  treesitter_analysis_depth = 3, -- max depth
   transparency = 50, -- 0 ~ 100 blur the main window, 100: fully transparent, 0: opaque,  set to nil to disable it
   lsp_signature_help = true, -- if you would like to hook ray-x/lsp_signature plugin in navigator
   -- setup here. if it is nil, navigator will not init signature help

lua/navigator/treesitter.lua

@@ -188,13 +188,11 @@ function M.ref_context(opts)
       table.insert(lines, 1, line)
     end
     expr = expr:parent()
+    if #line > _NgConfigValues.treesitter_analysis_depth then
+      break
+    end
   end
 
-  table.remove(lines, #lines)
-
-  if #lines < 1 then
-    return ""
-  end
   local text = table.concat(lines, separator)
   local text_len = #text
   if text_len > indicator_size then