fix(#2154): find_file doesn't work when group_empty option is enabled (#2100)

Co-authored-by: Alexander Courtis <alex@courtis.org>

lua/nvim-tree/actions/finders/find-file.lua

@@ -44,7 +44,9 @@ function M.fn(path)
       return node.absolute_path == path_real or node.link_to == path_real
     end)
     :applier(function(node)
+      if not node.group_next then
         line = line + 1
+      end
 
       if vim.tbl_contains(absolute_paths_searched, node.absolute_path) then
         return
@@ -55,14 +57,16 @@ function M.fn(path)
       local link_match = node.link_to and vim.startswith(path_real, node.link_to .. utils.path_separator)
 
       if abs_match or link_match then
+        if not node.group_next then
           node.open = true
+        end
         if #node.nodes == 0 then
           core.get_explorer():expand(node)
         end
       end
     end)
     :recursor(function(node)
-      return node.open and node.nodes
+      return node.group_next and { node.group_next } or (node.open and #node.nodes > 0 and node.nodes)
     end)
     :iterate()
 

lua/nvim-tree/actions/moves/parent.lua

@@ -2,6 +2,7 @@ local renderer = require "nvim-tree.renderer"
 local view = require "nvim-tree.view"
 local utils = require "nvim-tree.utils"
 local core = require "nvim-tree.core"
+local lib = require "nvim-tree.lib"
 
 local M = {}
 
@@ -9,18 +10,13 @@ function M.fn(should_close)
   should_close = should_close or false
 
   return function(node)
+    node = lib.get_last_group_node(node)
     if should_close and node.open then
       node.open = false
       return renderer.draw()
     end
 
-    local parent = node.parent
+    local parent = utils.get_parent_of_group(node).parent
-
-    if renderer.config.group_empty and parent then
-      while parent.parent and parent.parent.group_next do
-        parent = parent.parent
-      end
-    end
 
     if not parent or not parent.parent then
       return view.set_cursor { 1, 0 }

lua/nvim-tree/actions/tree-modifiers/collapse-all.lua

@@ -36,7 +36,7 @@ function M.fn(keep_buffers)
       end
     end)
     :recursor(function(n)
-      return n.nodes
+      return n.group_next and { n.group_next } or n.nodes
     end)
     :iterate()
 

lua/nvim-tree/actions/tree-modifiers/expand-all.lua

@@ -2,6 +2,7 @@ local core = require "nvim-tree.core"
 local renderer = require "nvim-tree.renderer"
 local Iterator = require "nvim-tree.iterators.node-iterator"
 local notify = require "nvim-tree.notify"
+local lib = require "nvim-tree.lib"
 
 local M = {}
 
@@ -15,6 +16,7 @@ local function to_lookup_table(list)
 end
 
 local function expand(node)
+  node = lib.get_last_group_node(node)
   node.open = true
   if #node.nodes == 0 then
     core.get_explorer():expand(node)
@@ -45,7 +47,8 @@ local function gen_iterator()
         end
       end)
       :recursor(function(node)
-        return expansion_count < M.MAX_FOLDER_DISCOVERY and node.open and node.nodes
+        return expansion_count < M.MAX_FOLDER_DISCOVERY
+          and (node.group_next and { node.group_next } or (node.open and node.nodes))
       end)
       :iterate()
 

lua/nvim-tree/iterators/node-iterator.lua

@@ -42,7 +42,9 @@ function NodeIterator:iterate()
   local function iter(nodes)
     for _, node in ipairs(nodes) do
       if self._filter_hidden(node) then
+        if not node.group_next then
           iteration_count = iteration_count + 1
+        end
         if self._match(node) then
           return node, iteration_count
         end

lua/nvim-tree/lib.lua

@@ -81,7 +81,6 @@ function M.get_last_group_node(node)
 end
 
 function M.expand_or_collapse(node)
-  node.open = not node.open
   if node.has_children then
     node.has_children = false
   end
@@ -90,6 +89,9 @@ function M.expand_or_collapse(node)
     core.get_explorer():expand(node)
   end
 
+  node = M.get_last_group_node(node)
+  node.open = not node.open
+
   renderer.draw()
 end
 

lua/nvim-tree/renderer/builder.lua

@@ -341,6 +341,8 @@ function Builder:_build_line(node, idx, num_children, unloaded_bufnr)
 
   self.index = self.index + 1
 
+  node = require("nvim-tree.lib").get_last_group_node(node)
+
   if node.open then
     self.depth = self.depth + 1
     self:build(node, unloaded_bufnr)

lua/nvim-tree/utils.lua

@@ -89,7 +89,7 @@ function M.find_node(nodes, fn)
   local node, i = Iterator.builder(nodes)
     :matcher(fn)
     :recursor(function(node)
-      return node.open and #node.nodes > 0 and node.nodes
+      return node.group_next and { node.group_next } or (node.open and #node.nodes > 0 and node.nodes)
     end)
     :iterate()
   i = require("nvim-tree.view").is_root_folder_visible() and i or i - 1
@@ -146,11 +146,14 @@ function M.get_nodes_by_line(nodes_all, line_start)
 
   Iterator.builder(nodes_all)
     :applier(function(node)
+      if node.group_next then
+        return
+      end
       nodes_by_line[line] = node
       line = line + 1
     end)
     :recursor(function(node)
-      return node.open == true and node.nodes
+      return node.group_next and { node.group_next } or (node.open and #node.nodes > 0 and node.nodes)
     end)
     :iterate()