Attach to any buffer that we enter.

Author: mscott99

lua/luasnip-latex-snippets/util/ts_utils.lua

@@ -49,8 +49,6 @@ function M.in_text(check_parent)
   return true
 end
 
-local in_mathzone = false
-
 local function check_in_mathzone()
   local node = get_node_at_cursor()
   while node do
@@ -64,14 +62,21 @@ local function check_in_mathzone()
   return false
 end
 
-vim.api.nvim_buf_attach(0, false, {
-  on_lines = function(...)
-    in_mathzone = check_in_mathzone()
-  end,
-})
+vim.api.nvim_create_autocmd({"BufEnter", "BufWinEnter"},
+  {pattern = {"*.md"},
+  callback = function()
+    if not vim.b.tracking_math then
+      vim.api.nvim_buf_attach(0, false, {on_lines = function(...)
+        vim.b.in_mathzone = check_in_mathzone()
+      end})
+    vim.b.in_mathzone = false
+    vim.b.tracking_math = true
+    end
+  end
+  })
 
 function M.in_mathzone()
-  return in_mathzone
+  return vim.b.in_mathzone
 end
 
 return M