add padding first column

feat: add NvimTreeFilter filetype

.github/workflows/ci.yml

@@ -24,15 +24,15 @@ jobs:
 
     steps:
       - name: checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: install lua ${{ matrix.lua_version }}
-        uses: leafo/gh-actions-lua@v11
+        uses: leafo/gh-actions-lua@v12
         with:
           luaVersion: ${{ matrix.lua_version }}
 
       - name: install luarocks
-        uses: leafo/gh-actions-luarocks@v5
+        uses: leafo/gh-actions-luarocks@v6
 
       - name: install luacheck ${{ matrix.luacheck_version }}
         run: luarocks install luacheck ${{ matrix.luacheck_version }}
@@ -56,7 +56,7 @@ jobs:
 
     steps:
       - name: checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: install nvim ${{ matrix.nvim_version }}
         uses: rhysd/action-setup-vim@v1

.github/workflows/luarocks-release.yml

@@ -10,7 +10,7 @@ jobs:
   luarocks-upload:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: LuaRocks Upload
         uses: nvim-neorocks/luarocks-tag-release@v7
         env:

.github/workflows/release-please.yml

@@ -16,7 +16,7 @@ jobs:
     steps:
       - uses: google-github-actions/release-please-action@v4
         id: release
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: tag major and minor versions
         if: ${{ steps.release.outputs.release_created }}
         run: |

.github/workflows/semantic-pr-subject.yml

@@ -14,6 +14,6 @@ jobs:
   semantic-pr-subject:
     runs-on: ubuntu-latest
     steps:
-      - uses: amannn/action-semantic-pull-request@v5.5.3
+      - uses: amannn/action-semantic-pull-request@v6.1.1
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

doc/nvim-tree-lua.txt

@@ -545,6 +545,7 @@ Following is the default configuration. See |nvim-tree-opts| for details. >lua
           warning = "",
           error = "",
         },
+        diagnostic_opts = false,
       },
       modified = {
         enable = false,
@@ -1329,6 +1330,10 @@ Icons for diagnostic severity.
       error = ""
     }
 <
+*nvim-tree.diagnostics.diagnostic_opts*
+|vim.diagnostic.Opts| overrides |nvim-tree.diagnostics.severity| and
+|nvim-tree.diagnostics.icons|
+  Type: `boolean`, Default: `false`
 ==============================================================================
  5.9 OPTS: MODIFIED                                  *nvim-tree-opts-modified*
 
@@ -2334,6 +2339,7 @@ events.Event                                      *nvim-tree-api.events.Event*
 
 live_filter.start()                        *nvim-tree-api.live_filter.start()*
     Enter |nvim-tree.live_filter| mode.
+    Opens an input window with |filetype| `"NvimTreeFilter"`
 
 live_filter.clear()                        *nvim-tree-api.live_filter.clear()*
     Exit |nvim-tree.live_filter| mode.
@@ -3175,6 +3181,7 @@ highlight group is not, hard linking as follows: >
 |nvim-tree.actions.use_system_clipboard|
 |nvim-tree.auto_reload_on_write|
 |nvim-tree.diagnostics.debounce_delay|
+|nvim-tree.diagnostics.diagnostic_opts|
 |nvim-tree.diagnostics.enable|
 |nvim-tree.diagnostics.icons|
 |nvim-tree.diagnostics.severity|

lua/nvim-tree.lua

@@ -420,6 +420,7 @@ local DEFAULT_OPTS = { -- BEGIN_DEFAULT_OPTS
       warning = "",
       error = "",
     },
+    diagnostic_opts = false,
   },
   modified = {
     enable = false,

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

@@ -32,7 +32,7 @@ function M.fn(path)
   local profile = log.profile_start("find file %s", path_real)
 
   -- refresh the contents of all parents, expanding groups as needed
-  if utils.get_node_from_path(path_real) == nil then
+  if explorer:get_node_from_path(path_real) == nil then
     explorer:refresh_parent_nodes_for_path(vim.fn.fnamemodify(path_real, ":h"))
   end
 

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

@@ -1,4 +1,3 @@
-local utils = require("nvim-tree.utils")
 local view = require("nvim-tree.view")
 local core = require("nvim-tree.core")
 local diagnostics = require("nvim-tree.diagnostics")
@@ -36,7 +35,7 @@ end
 ---@param skip_gitignored boolean? default false
 local function move(explorer, where, what, skip_gitignored)
   local first_node_line = core.get_nodes_starting_line()
-  local nodes_by_line = utils.get_nodes_by_line(explorer.nodes, first_node_line)
+  local nodes_by_line = explorer:get_nodes_by_line(first_node_line)
   local iter_start, iter_end, iter_step, cur, first, nex
 
   local cursor = explorer:get_cursor_position()
@@ -191,7 +190,7 @@ local function move_prev_recursive(explorer, what, skip_gitignored)
       if node_init.name == ".." then -- root node
         view.set_cursor({ 1, 0 })    -- move to root node (position 1)
       else
-        local node_init_line = utils.find_node_line(node_init)
+        local node_init_line = explorer:find_node_line(node_init)
         if node_init_line < 0 then
           return
         end

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

@@ -1,6 +1,4 @@
 local view = require("nvim-tree.view")
-local utils = require("nvim-tree.utils")
-
 local DirectoryNode = require("nvim-tree.node.directory")
 
 local M = {}
@@ -29,7 +27,7 @@ function M.fn(should_close)
       return
     end
 
-    local _, line = utils.find_node(parent.explorer.nodes, function(n)
+    local _, line = parent.explorer:find_node(function(n)
       return n.absolute_path == parent.absolute_path
     end)
 

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

@@ -1,4 +1,3 @@
-local utils = require("nvim-tree.utils")
 local core = require("nvim-tree.core")
 local Iterator = require("nvim-tree.iterators.node-iterator")
 
@@ -12,9 +11,14 @@ function M.fn(direction)
       return
     end
 
+    local explorer = core.get_explorer()
+    if not explorer then
+      return
+    end
+
     local first, last, next, prev = nil, nil, nil, nil
     local found = false
-    local parent = node.parent or core.get_explorer()
+    local parent = node.parent or explorer
     Iterator.builder(parent and parent.nodes or {})
       :recursor(function()
         return nil
@@ -45,7 +49,7 @@ function M.fn(direction)
     end
 
     if target_node then
-      utils.focus_file(target_node.absolute_path)
+      explorer:focus_node_or_parent(target_node)
     end
   end
 end

lua/nvim-tree/actions/node/open-file.lua

@@ -198,7 +198,15 @@ local function open_file_in_tab(filename)
   if M.relative_path then
     filename = utils.path_relative(filename, vim.fn.getcwd())
   end
-  vim.cmd("tabe " .. vim.fn.fnameescape(filename))
+  vim.cmd.tabnew()
+  vim.bo.bufhidden = "wipe"
+  -- Following vim.fn.tabnew the # buffer may be set to the tree buffer. There is no way to clear the # buffer via vim.fn.setreg as it requires a valid buffer. Clear # by setting it to a new temporary scratch buffer.
+  if utils.is_nvim_tree_buf(vim.fn.bufnr("#")) then
+    local tmpbuf = vim.api.nvim_create_buf(false, true)
+    vim.fn.setreg("#", tmpbuf)
+    vim.api.nvim_buf_delete(tmpbuf, { force = true })
+  end
+  vim.cmd.edit(vim.fn.fnameescape(filename))
 end
 
 local function drop(filename)

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

@@ -56,7 +56,7 @@ local function collapse(node, opts)
     :iterate()
 
   explorer.renderer:draw()
-  utils.focus_node_or_parent(node_at_cursor)
+  explorer:focus_node_or_parent(node_at_cursor)
 end
 
 

lua/nvim-tree/diagnostics.lua

@@ -231,7 +231,10 @@ end
 function M.setup(opts)
   M.enable = opts.diagnostics.enable
   M.debounce_delay = opts.diagnostics.debounce_delay
-  M.severity = opts.diagnostics.severity
+  M.severity = opts.diagnostics.diagnostic_opts and {
+    min = vim.diagnostic.severity.HINT,
+    max = vim.diagnostic.severity.ERROR
+  } or opts.diagnostics.severity
 
   if M.enable then
     log.line("diagnostics", "setup")

lua/nvim-tree/explorer/filters.lua

@@ -280,7 +280,7 @@ function Filters:toggle(type)
   local node = self.explorer:get_node_at_cursor()
   self.explorer:reload_explorer()
   if node then
-    utils.focus_node_or_parent(node)
+    self.explorer:focus_node_or_parent(node)
   end
 end
 

lua/nvim-tree/explorer/init.lua

@@ -527,7 +527,7 @@ function Explorer:get_node_at_cursor()
     return self
   end
 
-  return utils.get_nodes_by_line(self.nodes, core.get_nodes_starting_line())[cursor[1]]
+  return self:get_nodes_by_line(core.get_nodes_starting_line())[cursor[1]]
 end
 
 function Explorer:place_cursor_on_node()
@@ -551,6 +551,114 @@ function Explorer:place_cursor_on_node()
   end
 end
 
+-- Find the line number of a node.
+---@param node Node?
+---@return integer -1 not found
+function Explorer:find_node_line(node)
+  if not node then
+    return -1
+  end
+
+  local first_node_line = core.get_nodes_starting_line()
+  local nodes_by_line = self:get_nodes_by_line(first_node_line)
+  local iter_start, iter_end = first_node_line, #nodes_by_line
+
+  for line = iter_start, iter_end, 1 do
+    if nodes_by_line[line] == node then
+      return line
+    end
+  end
+
+  return -1
+end
+
+-- get the node in the tree state depending on the absolute path of the node
+-- (grouped or hidden too)
+---@param path string
+---@return Node|nil
+---@return number|nil
+function Explorer:get_node_from_path(path)
+  if self.absolute_path == path then
+    return self
+  end
+
+  return Iterator.builder(self.nodes)
+    :hidden()
+    :matcher(function(node)
+      return node.absolute_path == path or node.link_to == path
+    end)
+    :recursor(function(node)
+      if node.group_next then
+        return { node.group_next }
+      end
+      if node.nodes then
+        return node.nodes
+      end
+    end)
+    :iterate()
+end
+
+---Focus node passed as parameter if visible, otherwise focus first visible parent.
+---If none of the parents is visible focus root.
+---If node is nil do nothing.
+---@param node Node? node to focus
+function Explorer:focus_node_or_parent(node)
+  while node do
+    local found_node, i = self:find_node(function(node_)
+      return node_.absolute_path == node.absolute_path
+    end)
+
+    if found_node or node.parent == nil then
+      view.set_cursor({ i + 1, 1 })
+      break
+    end
+
+    node = node.parent
+  end
+end
+
+--- Get the node and index of the node from the tree that matches the predicate.
+--- The explored nodes are those displayed on the view.
+---@param fn fun(node: Node): boolean
+---@return table|nil
+---@return number
+function Explorer:find_node(fn)
+  local node, i = Iterator.builder(self.nodes)
+    :matcher(fn)
+    :recursor(function(node)
+      return node.group_next and { node.group_next } or (node.open and #node.nodes > 0 and node.nodes)
+    end)
+    :iterate()
+  i = view.is_root_folder_visible() and i or i - 1
+  if node and node.explorer.live_filter.filter then
+    i = i + 1
+  end
+  return node, i
+end
+
+--- Return visible nodes indexed by line
+---@param line_start number
+---@return table
+function Explorer:get_nodes_by_line(line_start)
+  local nodes_by_line = {}
+  local line = line_start
+
+  Iterator.builder(self.nodes)
+    :applier(function(node)
+      if node.group_next then
+        return
+      end
+      nodes_by_line[line] = node
+      line = line + 1
+    end)
+    :recursor(function(node)
+      return node.group_next and { node.group_next } or (node.open and #node.nodes > 0 and node.nodes)
+    end)
+    :iterate()
+
+  return nodes_by_line
+end
+
 ---Api.tree.get_nodes
 ---@return nvim_tree.api.Node
 function Explorer:get_nodes()

lua/nvim-tree/explorer/live-filter.lua

@@ -188,8 +188,10 @@ local function create_overlay(self)
 
   if vim.fn.has("nvim-0.10") == 1 then
     vim.api.nvim_set_option_value("modifiable", true, { buf = overlay_bufnr })
+    vim.api.nvim_set_option_value("filetype", "NvimTreeFilter", { buf = overlay_bufnr })
   else
     vim.api.nvim_buf_set_option(overlay_bufnr, "modifiable", true) ---@diagnostic disable-line: deprecated
+    vim.api.nvim_buf_set_option(overlay_bufnr, "filetype", "NvimTreeFilter") ---@diagnostic disable-line: deprecated
   end
 
   vim.api.nvim_buf_set_lines(overlay_bufnr, 0, -1, false, { self.filter })
@@ -220,9 +222,9 @@ function LiveFilter:clear_filter()
   self.explorer.renderer:draw()
 
   if node then
-    utils.focus_file(node.absolute_path)
+    self.explorer:focus_node_or_parent(node)
   elseif last_node then
-    utils.focus_file(last_node.absolute_path)
+    self.explorer:focus_node_or_parent(last_node)
   end
 end
 

lua/nvim-tree/git/init.lua

@@ -233,7 +233,13 @@ local function reload_tree_at(toplevel)
   end
 
   log.line("watcher", "git event executing '%s'", toplevel)
-  local root_node = utils.get_node_from_path(toplevel)
+
+  local explorer = require("nvim-tree.core").get_explorer()
+  if not explorer then
+    return nil
+  end
+
+  local root_node = explorer:get_node_from_path(toplevel)
   if not root_node then
     return
   end
@@ -252,7 +258,7 @@ local function reload_tree_at(toplevel)
       end)
       :iterate()
 
-    root_node.explorer.renderer:draw()
+    explorer.renderer:draw()
   end)
 end
 

lua/nvim-tree/legacy.lua

@@ -1,27 +1,74 @@
-local utils = require("nvim-tree.utils")
 local notify = require("nvim-tree.notify")
 
 local M = {}
 
+--- Create empty sub-tables if not present
+---@param tbl table to create empty inside of
+---@param path string dot separated string of sub-tables
+---@return table deepest sub-table
+local function create(tbl, path)
+  local t = tbl
+  for s in string.gmatch(path, "([^%.]+)%.*") do
+    if t[s] == nil then
+      t[s] = {}
+    end
+    t = t[s]
+  end
+
+  return t
+end
+
+--- Move a value from src to dst if value is nil on dst.
+--- Remove value from src
+---@param src table to copy from
+---@param src_path string dot separated string of sub-tables
+---@param src_pos string value pos
+---@param dst table to copy to
+---@param dst_path string dot separated string of sub-tables, created when missing
+---@param dst_pos string value pos
+---@param remove boolean
+local function move(src, src_path, src_pos, dst, dst_path, dst_pos, remove)
+  for pos in string.gmatch(src_path, "([^%.]+)%.*") do
+    if src[pos] and type(src[pos]) == "table" then
+      src = src[pos]
+    else
+      return
+    end
+  end
+  local src_val = src[src_pos]
+  if src_val == nil then
+    return
+  end
+
+  dst = create(dst, dst_path)
+  if dst[dst_pos] == nil then
+    dst[dst_pos] = src_val
+  end
+
+  if remove then
+    src[src_pos] = nil
+  end
+end
+
 -- silently move, please add to help nvim-tree-legacy-opts
 local function refactored(opts)
   -- 2022/06/20
-  utils.move_missing_val(opts, "update_focused_file", "update_cwd", opts, "update_focused_file", "update_root",        true)
-  utils.move_missing_val(opts, "",                    "update_cwd", opts, "",                    "sync_root_with_cwd", true)
+  move(opts, "update_focused_file", "update_cwd", opts, "update_focused_file", "update_root",        true)
+  move(opts, "",                    "update_cwd", opts, "",                    "sync_root_with_cwd", true)
 
   -- 2022/11/07
-  utils.move_missing_val(opts, "", "open_on_tab",              opts, "tab.sync", "open",   false)
-  utils.move_missing_val(opts, "", "open_on_tab",              opts, "tab.sync", "close",  true)
-  utils.move_missing_val(opts, "", "ignore_buf_on_tab_change", opts, "tab.sync", "ignore", true)
+  move(opts, "", "open_on_tab",              opts, "tab.sync", "open",   false)
+  move(opts, "", "open_on_tab",              opts, "tab.sync", "close",  true)
+  move(opts, "", "ignore_buf_on_tab_change", opts, "tab.sync", "ignore", true)
 
   -- 2022/11/22
-  utils.move_missing_val(opts, "renderer", "root_folder_modifier", opts, "renderer", "root_folder_label", true)
+  move(opts, "renderer", "root_folder_modifier", opts, "renderer", "root_folder_label", true)
 
   -- 2023/01/01
-  utils.move_missing_val(opts, "update_focused_file", "debounce_delay", opts, "view", "debounce_delay", true)
+  move(opts, "update_focused_file", "debounce_delay", opts, "view", "debounce_delay", true)
 
   -- 2023/01/08
-  utils.move_missing_val(opts, "trash", "require_confirm", opts, "ui.confirm", "trash", true)
+  move(opts, "trash", "require_confirm", opts, "ui.confirm", "trash", true)
 
   -- 2023/01/15
   if type(opts.view) == "table" and opts.view.adaptive_size ~= nil then
@@ -35,13 +82,13 @@ local function refactored(opts)
   end
 
   -- 2023/07/15
-  utils.move_missing_val(opts, "", "sort_by", opts, "sort", "sorter", true)
+  move(opts, "", "sort_by", opts, "sort", "sorter", true)
 
   -- 2023/07/16
-  utils.move_missing_val(opts, "git", "ignore", opts, "filters", "git_ignored", true)
+  move(opts, "git", "ignore", opts, "filters", "git_ignored", true)
 
   -- 2023/08/26
-  utils.move_missing_val(opts, "renderer.icons", "webdev_colors", opts, "renderer.icons.web_devicons.file", "color", true)
+  move(opts, "renderer.icons", "webdev_colors", opts, "renderer.icons.web_devicons.file", "color", true)
 
   -- 2023/10/08
   if type(opts.renderer) == "table" and type(opts.renderer.highlight_diagnostics) == "boolean" then
@@ -59,7 +106,7 @@ local function refactored(opts)
       opts.update_focused_file.update_root = { enable = opts.update_focused_file.update_root }
     end
   end
-  utils.move_missing_val(opts, "update_focused_file", "ignore_list", opts, "update_focused_file.update_root", "ignore_list", true)
+  move(opts, "update_focused_file", "ignore_list", opts, "update_focused_file.update_root", "ignore_list", true)
 
   -- 2025/04/30
   if opts.renderer and opts.renderer.icons and type(opts.renderer.icons.padding) == "string" then

lua/nvim-tree/marks/init.lua

@@ -227,9 +227,9 @@ function Marks:navigate(up)
   end
 
   if up then
-    utils.focus_node_or_parent(prev or last)
+    self.explorer:focus_node_or_parent(prev or last)
   else
-    utils.focus_node_or_parent(next or first)
+    self.explorer:focus_node_or_parent(next or first)
   end
 end
 
@@ -263,7 +263,7 @@ function Marks:navigate_select()
     if node and not node:is(DirectoryNode) and not utils.get_win_buf_from_path(node.absolute_path) then
       open_file.fn("edit", node.absolute_path)
     elseif node then
-      utils.focus_file(node.absolute_path)
+      self.explorer:focus_node_or_parent(node)
     end
   end)
 end

lua/nvim-tree/renderer/builder.lua

@@ -101,7 +101,7 @@ end
 ---@param end_ number|nil
 function Builder:insert_highlight(groups, start, end_)
   for _, higroup in ipairs(groups) do
-    table.insert(self.hl_range_args, { higroup = higroup, start = { self.index, start, }, finish = { self.index, end_ or -1, } })
+    table.insert(self.hl_range_args, { higroup = higroup, start = { self.index, start }, finish = { self.index, end_ or -1 } })
   end
 end
 
@@ -381,8 +381,28 @@ end
 function Builder:build_header()
   if view.is_root_folder_visible(self.explorer.absolute_path) then
     local root_name = self:format_root_name(self.explorer.opts.renderer.root_folder_label)
-    table.insert(self.lines, root_name)
-    self:insert_highlight({ "NvimTreeRootFolder" }, 0, string.len(root_name))
+
+    -- Pad to window width so the highlight spans the whole row.
+    local win = view.get_winnr()
+    local width = 0
+    if win and vim.api.nvim_win_is_valid(win) then
+      width = vim.api.nvim_win_get_width(win)
+    end
+
+    -- Use display width for proper padding with Nerd Font / wide glyphs.
+    local name_display_w = vim.fn.strdisplaywidth(root_name)
+    local pad = 0
+    if width and width > name_display_w then
+      pad = width - name_display_w
+    end
+
+    local padded_root = pad > 0 and (root_name .. string.rep(" ", pad)) or root_name
+
+    table.insert(self.lines, padded_root)
+    -- Highlight the entire padded string (covers the full visible row)
+    self:insert_highlight({ "NvimTreeRootFolder" }, 0, string.len(padded_root))
+
+    -- Keep original indexing behavior
     self.index = 1
   end
 
@@ -395,7 +415,6 @@ function Builder:build_header()
     self.index = self.index + 1
   end
 end
-
 ---Sanitize lines for rendering.
 ---Replace newlines with literal \n
 ---@private
@@ -449,7 +468,8 @@ function Builder:setup_hidden_display_function(opts)
       local ok, result = pcall(hidden_display, hidden_stats)
       if not ok then
         notify.warn(
-          "Problem occurred in the function ``opts.renderer.hidden_display`` see nvim-tree.renderer.hidden_display on :h nvim-tree")
+          "Problem occurred in the function ``opts.renderer.hidden_display`` see nvim-tree.renderer.hidden_display on :h nvim-tree"
+        )
         return nil
       end
       return result

lua/nvim-tree/renderer/components/padding.lua

@@ -22,8 +22,8 @@ local function check_siblings_for_folder(node, with_arrows)
 end
 
 local function get_padding_indent_markers(depth, idx, nodes_number, markers, with_arrows, inline_arrows, node, early_stop)
-  local base_padding = with_arrows and (not node.nodes or depth > 0) and "  " or ""
-  local padding = (inline_arrows or depth == 0) and base_padding or ""
+  local base_padding = with_arrows and (not node.nodes or depth > 0) and "  " or " "
+  local padding = (inline_arrows or depth == 0) and base_padding or " "
 
   if depth > 0 then
     local has_folder_sibling = check_siblings_for_folder(node, with_arrows)

lua/nvim-tree/renderer/decorator/diagnostics.lua

@@ -47,11 +47,23 @@ function DiagnosticsDecorator:new(args)
   self.highlight_range       = self.explorer.opts.renderer.highlight_diagnostics or "none"
   self.icon_placement        = self.explorer.opts.renderer.icons.diagnostics_placement or "none"
 
+  local vim_diagnostic_icons = {}
+
+  if self.explorer.opts.diagnostics.diagnostic_opts then
+    local vim_diagnostic_config = vim.diagnostic.config() or {}
+    local signs                 = vim_diagnostic_config.signs or {}
+    if type(signs) == "function" then
+      signs = signs(0, 0)
+    end
+
+    vim_diagnostic_icons = (type(signs) == "table" and signs.text) or {}
+  end
+
   if self.explorer.opts.renderer.icons.show.diagnostics then
     self.diag_icons = {}
     for name, sev in pairs(ICON_KEYS) do
       self.diag_icons[sev] = {
-        str = self.explorer.opts.diagnostics.icons[name],
+        str = vim_diagnostic_icons[sev] or self.explorer.opts.diagnostics.icons[name],
         hl = { HG_ICON[sev] },
       }
       self:define_sign(self.diag_icons[sev])

lua/nvim-tree/utils.lua

@@ -1,5 +1,3 @@
-local Iterator = require("nvim-tree.iterators.node-iterator")
-
 local M = {
   debouncers = {},
 }
@@ -17,22 +15,6 @@ function M.str_find(haystack, needle)
   return vim.fn.stridx(haystack, needle) ~= -1
 end
 
----@param path string
----@return string|uv.uv_fs_t
-function M.read_file(path)
-  local fd = vim.loop.fs_open(path, "r", 438)
-  if not fd then
-    return ""
-  end
-  local stat = vim.loop.fs_fstat(fd)
-  if not stat then
-    return ""
-  end
-  local data = vim.loop.fs_read(fd, stat.size, 0)
-  vim.loop.fs_close(fd)
-  return data or ""
-end
-
 local path_separator = package.config:sub(1, 1)
 ---@param paths string[]
 ---@return string
@@ -130,48 +112,6 @@ end
 
 M.path_separator = path_separator
 
---- Get the node and index of the node from the tree that matches the predicate.
---- The explored nodes are those displayed on the view.
----@param nodes Node[]
----@param fn fun(node: Node): boolean
----@return table|nil
----@return number
-function M.find_node(nodes, fn)
-  local node, i = Iterator.builder(nodes)
-    :matcher(fn)
-    :recursor(function(node)
-      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
-  if node and node.explorer.live_filter.filter then
-    i = i + 1
-  end
-  return node, i
-end
-
--- Find the line number of a node.
--- Return -1 is node is nil or not found.
----@param node Node?
----@return integer
-function M.find_node_line(node)
-  if not node then
-    return -1
-  end
-
-  local first_node_line = require("nvim-tree.core").get_nodes_starting_line()
-  local nodes_by_line = M.get_nodes_by_line(require("nvim-tree.core").get_explorer().nodes, first_node_line)
-  local iter_start, iter_end = first_node_line, #nodes_by_line
-
-  for line = iter_start, iter_end, 1 do
-    if nodes_by_line[line] == node then
-      return line
-    end
-  end
-
-  return -1
-end
-
 ---@param extmarks vim.api.keyset.get_extmark_item[] as per vim.api.nvim_buf_get_extmarks
 ---@return number
 function M.extmarks_length(extmarks)
@@ -187,39 +127,6 @@ function M.extmarks_length(extmarks)
   return length
 end
 
--- get the node in the tree state depending on the absolute path of the node
--- (grouped or hidden too)
----@param path string
----@return Node|nil
----@return number|nil
-function M.get_node_from_path(path)
-  local explorer = require("nvim-tree.core").get_explorer()
-
-  -- tree may not yet be loaded
-  if not explorer then
-    return
-  end
-
-  if explorer.absolute_path == path then
-    return explorer
-  end
-
-  return Iterator.builder(explorer.nodes)
-    :hidden()
-    :matcher(function(node)
-      return node.absolute_path == path or node.link_to == path
-    end)
-    :recursor(function(node)
-      if node.group_next then
-        return { node.group_next }
-      end
-      if node.nodes then
-        return node.nodes
-      end
-    end)
-    :iterate()
-end
-
 M.default_format_hidden_count = function(hidden_count, simple)
   local parts = {}
   local total_count = 0
@@ -240,30 +147,6 @@ M.default_format_hidden_count = function(hidden_count, simple)
   return nil
 end
 
---- Return visible nodes indexed by line
----@param nodes_all Node[]
----@param line_start number
----@return table
-function M.get_nodes_by_line(nodes_all, line_start)
-  local nodes_by_line = {}
-  local line = 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.group_next and { node.group_next } or (node.open and #node.nodes > 0 and node.nodes)
-    end)
-    :iterate()
-
-  return nodes_by_line
-end
-
 function M.rename_loaded_buffers(old_path, new_path)
   -- delete new if it exists
   for _, buf in pairs(vim.api.nvim_list_bufs()) do
@@ -377,54 +260,6 @@ function M.escape_special_chars(path)
   return M.is_windows and escape_special_char_for_windows(path) or path
 end
 
---- Create empty sub-tables if not present
----@param tbl table to create empty inside of
----@param path string dot separated string of sub-tables
----@return table deepest sub-table
-function M.table_create_missing(tbl, path)
-  local t = tbl
-  for s in string.gmatch(path, "([^%.]+)%.*") do
-    if t[s] == nil then
-      t[s] = {}
-    end
-    t = t[s]
-  end
-
-  return t
-end
-
---- Move a value from src to dst if value is nil on dst.
---- Remove value from src
----@param src table to copy from
----@param src_path string dot separated string of sub-tables
----@param src_pos string value pos
----@param dst table to copy to
----@param dst_path string dot separated string of sub-tables, created when missing
----@param dst_pos string value pos
----@param remove boolean
-function M.move_missing_val(src, src_path, src_pos, dst, dst_path, dst_pos, remove)
-  for pos in string.gmatch(src_path, "([^%.]+)%.*") do
-    if src[pos] and type(src[pos]) == "table" then
-      src = src[pos]
-    else
-      return
-    end
-  end
-  local src_val = src[src_pos]
-  if src_val == nil then
-    return
-  end
-
-  dst = M.table_create_missing(dst, dst_path)
-  if dst[dst_pos] == nil then
-    dst[dst_pos] = src_val
-  end
-
-  if remove then
-    src[src_pos] = nil
-  end
-end
-
 local function round(value)
   -- Amount of digits to round to after floating point.
   local digits = 2
@@ -533,38 +368,6 @@ function M.debounce(context, timeout, callback)
   end)
 end
 
-function M.focus_file(path)
-  local _, i = M.find_node(require("nvim-tree.core").get_explorer().nodes, function(node)
-    return node.absolute_path == path
-  end)
-  require("nvim-tree.view").set_cursor({ i + 1, 1 })
-end
-
----Focus node passed as parameter if visible, otherwise focus first visible parent.
----If none of the parents is visible focus root.
----If node is nil do nothing.
----@param node Node? node to focus
-function M.focus_node_or_parent(node)
-  local explorer = require("nvim-tree.core").get_explorer()
-
-  if explorer == nil then
-    return
-  end
-
-  while node do
-    local found_node, i = M.find_node(explorer.nodes, function(node_)
-      return node_.absolute_path == node.absolute_path
-    end)
-
-    if found_node or node.parent == nil then
-      require("nvim-tree.view").set_cursor({ i + 1, 1 })
-      break
-    end
-
-    node = node.parent
-  end
-end
-
 ---@param path string
 ---@return integer|nil
 ---@return integer|nil