feat: allow disabling treesitter

README.md

@@ -61,6 +61,7 @@ Twilight comes with the following defaults:
     inactive = false, -- when true, other windows will be fully dimmed (unless they contain the same buffer)
   },
   context = 10, -- amount of lines we will try to show around the current line
+  treesitter = true, -- use treesitter when available for the filetype
   -- treesitter is used to automatically expand the visible text,
   -- but you can further control the types of nodes that should always be fully expanded
   expand = { -- for treesitter, we we always try to expand to the top-most ancestor with these types

lua/twilight/config.lua

@@ -10,6 +10,7 @@ local defaults = {
     inactive = false, -- when true, other windows will be fully dimmed (unless they contain the same buffer)
   },
   context = 10, -- amount of lines we will try to show arounc the current line
+  treesitter = true, -- use treesitter when available for the filetype
   -- treesitter is used to automatically expand the visible text,
   -- but you can further control the types of nodes that should always be fully expanded
   expand = { -- for treesitter, we we always try to expand to the top-most ancestor with these types

lua/twilight/view.lua

@@ -164,7 +164,7 @@ function M.get_expand_root(node, opts)
 end
 
 function M.get_context(buf, line)
-  if pcall(vim.treesitter.get_parser, buf) then
+  if config.options.treesitter and pcall(vim.treesitter.get_parser, buf) then
     local node = M.get_node(buf, line)
     local root = M.get_expand_root(node)
     if root then