fix(#1520) file type changes are not detected.

Author: sebcode

lua/nvim-tree/explorer/node-builders.lua

@@ -11,6 +11,7 @@ function M.folder(parent, absolute_path, name)
   local has_children = handle and uv.fs_scandir_next(handle) ~= nil
 
   return {
+    type = "directory",
     absolute_path = absolute_path,
     fs_stat = uv.fs_stat(absolute_path),
     group_next = nil, -- If node is grouped, this points to the next child dir/link node
@@ -34,6 +35,7 @@ function M.file(parent, absolute_path, name)
   local ext = string.match(name, ".?[^.]+%.(.*)") or ""
 
   return {
+    type = "file",
     absolute_path = absolute_path,
     executable = M.is_executable(absolute_path, ext),
     extension = ext,
@@ -61,6 +63,7 @@ function M.link(parent, absolute_path, name)
   end
 
   return {
+    type = "link",
     absolute_path = absolute_path,
     fs_stat = uv.fs_stat(absolute_path),
     group_next = nil, -- If node is grouped, this points to the next child dir/link node

lua/nvim-tree/explorer/reload.lua

@@ -45,6 +45,18 @@ function M.reload(node, status)
     t = t or (uv.fs_stat(abs) or {}).type
     if not filters.should_ignore(abs) and not filters.should_ignore_git(abs, status.files) then
       child_names[abs] = true
+
+      -- Recreate node if type changes.
+      if nodes_by_path[abs] then
+        local n = nodes_by_path[abs]
+
+        if n.type ~= t then
+          utils.array_remove(node.nodes, n)
+          common.node_destroy(n)
+          nodes_by_path[abs] = nil
+        end
+      end
+
       if not nodes_by_path[abs] then
         if t == "directory" and uv.fs_access(abs, "R") then
           local folder = builders.folder(node, abs, name)