fix(diagnostics): do not show on file/dir with same prefix

Author: alex-courtis

lua/nvim-tree/diagnostics.lua

@@ -108,16 +108,15 @@ function M.update()
     end
 
     for bufname, severity in pairs(buffer_severity) do
-      local bufpath = vim.fn.fnamemodify(utils.canonical_path(bufname), ":p")
+      local bufpath = utils.canonical_path(bufname)
       log.line("diagnostics", " bufpath '%s' severity %d", bufpath, severity)
       if 0 < severity and severity < 5 then
         for line, node in pairs(nodes_by_line) do
-          local nodepath = vim.fn.fnamemodify(utils.canonical_path(node.absolute_path), ":p")
+          local nodepath = utils.canonical_path(node.absolute_path)
           log.line("diagnostics", "  %d checking nodepath '%s'", line, nodepath)
           if
             M.show_on_dirs
-            and node.nodes
-            and vim.startswith(bufpath, nodepath)
+            and vim.startswith(bufpath:gsub("\\", "/"), nodepath:gsub("\\", "/") .. "/")
             and (not node.open or M.show_on_open_dirs)
           then
             log.line("diagnostics", " matched fold node '%s'", node.absolute_path)