chore: plenary tests POC: add make entry, specify tests

.editorconfig

@@ -7,9 +7,6 @@ end_of_line = lf
 [nvim-tree-lua.txt]
 max_line_length = 78
 
-# keep these in sync with .luarc.json
-#   .editorconfig is used within nvim, overriding .luarc.json
-#   .luarc.json is used by style check
 [*.lua]
 indent_style = space
 max_line_length = 140

.github/workflows/ci.yml

@@ -20,25 +20,45 @@ jobs:
     strategy:
       matrix:
         lua_version: [ 5.1 ]
-        luacheck_version: [ 1.2.0 ]
 
     steps:
-      - name: checkout
+      - uses: actions/checkout@v4
-        uses: actions/checkout@v4
 
-      - name: install lua ${{ matrix.lua_version }}
+      - uses: leafo/gh-actions-lua@v10
-        uses: leafo/gh-actions-lua@v11
         with:
           luaVersion: ${{ matrix.lua_version }}
 
-      - name: install luarocks
+      - uses: leafo/gh-actions-luarocks@v4
-        uses: leafo/gh-actions-luarocks@v5
 
-      - name: install luacheck ${{ matrix.luacheck_version }}
+      - run: luarocks install luacheck 1.1.1
-        run: luarocks install luacheck ${{ matrix.luacheck_version }}
 
       - run: make lint
 
+  style:
+    runs-on: ubuntu-latest
+
+    concurrency:
+      group: ${{ github.workflow }}-${{ matrix.emmy_lua_code_style_version }}-${{ github.head_ref || github.ref_name }}
+      cancel-in-progress: true
+
+    strategy:
+      matrix:
+        emmy_lua_code_style_version: [ 1.5.6 ]
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: install emmy_lua_code_style
+        run: |
+          mkdir -p CodeFormat
+          curl -L "https://github.com/CppCXY/EmmyLuaCodeStyle/releases/download/${{ matrix.emmy_lua_code_style_version }}/linux-x64.tar.gz" | tar zx --directory CodeFormat
+
+      - run: echo "CodeFormat/linux-x64/bin" >> "$GITHUB_PATH"
+
+      - run: make style
+
+      - run: make style-doc
+
   check:
     runs-on: ubuntu-latest
 
@@ -49,31 +69,26 @@ jobs:
     strategy:
       matrix:
         nvim_version: [ stable, nightly ]
-        luals_version: [ 3.13.9 ]
+        luals_version: [ 3.11.0 ]
-
-    env:
-      VIMRUNTIME: /home/runner/nvim-${{ matrix.nvim_version }}/share/nvim/runtime
 
     steps:
-      - name: checkout
+      - uses: actions/checkout@v4
-        uses: actions/checkout@v4
 
-      - name: install nvim ${{ matrix.nvim_version }}
+      - uses: rhysd/action-setup-vim@v1
-        uses: rhysd/action-setup-vim@v1
         with:
           neovim: true
           version: ${{ matrix.nvim_version }}
 
-      - name: install lua-language-server ${{ matrix.luals_version }}
+      - name: install luals
         run: |
           mkdir -p luals
           curl -L "https://github.com/LuaLS/lua-language-server/releases/download/${{ matrix.luals_version }}/lua-language-server-${{ matrix.luals_version }}-linux-x64.tar.gz" | tar zx --directory luals
-          echo "luals/bin" >> "$GITHUB_PATH"
 
-      - run: make check
+      - run: echo "luals/bin" >> "$GITHUB_PATH"
+
+      - name: make check
+        env:
+          VIMRUNTIME: /home/runner/nvim-${{ matrix.nvim_version }}/share/nvim/runtime
+        run: make check
 
       - run: make help-check
-
-      - run: make style
-
-      - run: make style-doc

.github/workflows/luarocks-release.yml

@@ -1,11 +1,9 @@
 name: Luarocks Release
-
 on:
   push:
     tags:
-      - v*
+      - 'v[0-9]+.[0-9]+.[0-9]+'
   workflow_dispatch:
-
 jobs:
   luarocks-upload:
     runs-on: ubuntu-latest

.gitignore

@@ -1,4 +1,5 @@
 /luals-out/
 /luals/
+/plenary.nvim/
 # backup vim files
 *~

.luarc.json

@@ -1,23 +1,13 @@
 {
   "$schema": "https://raw.githubusercontent.com/sumneko/vscode-lua/master/setting/schema.json",
+  "runtime.version.luals-check-only": "Lua 5.1",
   "workspace": {
     "library": [
       "$VIMRUNTIME/lua/vim",
-      "${3rd}/luv/library"
+      "${3rd}/luv/library",
+      "plenary.nvim"
     ]
   },
-  "format": {
-    "defaultConfig": {
-      "indent_style": "space",
-      "max_line_length": "140",
-      "indent_size": "2",
-      "continuation_indent": "2",
-      "quote_style": "double",
-      "call_arg_parentheses": "always",
-      "space_before_closure_open_parenthesis": "false",
-      "align_continuous_similar_call_args": "true"
-    }
-  },
   "diagnostics": {
     "libraryFiles": "Disable",
     "globals": [],

.release-please-manifest.json

@@ -1,3 +1,3 @@
 {
-  ".": "1.12.0"
+  ".": "1.10.0"
 }

CHANGELOG.md

@@ -1,36 +1,5 @@
 # Changelog
 
-## [1.12.0](https://github.com/nvim-tree/nvim-tree.lua/compare/nvim-tree-v1.11.0...nvim-tree-v1.12.0) (2025-04-20)
-
-
-### Features
-
-* add TreePreOpen event ([#3105](https://github.com/nvim-tree/nvim-tree.lua/issues/3105)) ([c24c047](https://github.com/nvim-tree/nvim-tree.lua/commit/c24c0470d9de277fbebecd718f33561ed7c90298))
-
-
-### Bug Fixes
-
-* **#3101:** when renderer.highlight_opened_files = "none" do not reload on BufUnload and BufReadPost ([#3102](https://github.com/nvim-tree/nvim-tree.lua/issues/3102)) ([5bea2b3](https://github.com/nvim-tree/nvim-tree.lua/commit/5bea2b37523a31288e0fcab42f3be5c1bd4516bb))
-* explicitly set `border` to `"none"` in full name float ([#3094](https://github.com/nvim-tree/nvim-tree.lua/issues/3094)) ([c3c1935](https://github.com/nvim-tree/nvim-tree.lua/commit/c3c193594213c5e2f89ec5d7729cad805f76b256))
-* reliably dispatch exactly one TreeOpen and TreeClose events ([#3107](https://github.com/nvim-tree/nvim-tree.lua/issues/3107)) ([3a63717](https://github.com/nvim-tree/nvim-tree.lua/commit/3a63717d3d332d8f39aaf65be7a0e4c2265af021))
-
-## [1.11.0](https://github.com/nvim-tree/nvim-tree.lua/compare/nvim-tree-v1.10.0...nvim-tree-v1.11.0) (2025-02-22)
-
-
-### Features
-
-* **#1984:** add quit_on_open and focus opts to various api.node.open functions ([#3054](https://github.com/nvim-tree/nvim-tree.lua/issues/3054)) ([3281f33](https://github.com/nvim-tree/nvim-tree.lua/commit/3281f331f7f0bef13eb00fb2d5a9d28b2f6155a2))
-* **#3037:** add API node.buffer.delete, node.buffer.wipe ([#3040](https://github.com/nvim-tree/nvim-tree.lua/issues/3040)) ([fee1da8](https://github.com/nvim-tree/nvim-tree.lua/commit/fee1da88972f5972a8296813f6c00d7598325ebd))
-
-
-### Bug Fixes
-
-* **#3045:** wipe scratch buffers for full name and show info popups ([#3050](https://github.com/nvim-tree/nvim-tree.lua/issues/3050)) ([fca0b67](https://github.com/nvim-tree/nvim-tree.lua/commit/fca0b67c0b5a31727fb33addc4d9c100736a2894))
-* **#3059:** test for presence of new 0.11 API vim.hl.range ([#3060](https://github.com/nvim-tree/nvim-tree.lua/issues/3060)) ([70825f2](https://github.com/nvim-tree/nvim-tree.lua/commit/70825f23db61ecd900c4cfea169bffe931926a9d))
-* arithmetic on nil value error on first git project open ([#3064](https://github.com/nvim-tree/nvim-tree.lua/issues/3064)) ([8052310](https://github.com/nvim-tree/nvim-tree.lua/commit/80523101f0ae48b7f1990e907b685a3d79776c01))
-* stl and stlnc fillchars are hidden in window picker ([b699143](https://github.com/nvim-tree/nvim-tree.lua/commit/b69914325a945ee5157f0d21047210b42af5776e))
-* window picker: hide fillchars: stl and stlnc ([#3066](https://github.com/nvim-tree/nvim-tree.lua/issues/3066)) ([b699143](https://github.com/nvim-tree/nvim-tree.lua/commit/b69914325a945ee5157f0d21047210b42af5776e))
-
 ## [1.10.0](https://github.com/nvim-tree/nvim-tree.lua/compare/nvim-tree-v1.9.0...nvim-tree-v1.10.0) (2025-01-13)
 
 

CONTRIBUTING.md

@@ -12,9 +12,9 @@ Language server: [luals](https://luals.github.io)
 
 Lint: [luacheck](https://github.com/lunarmodules/luacheck/)
 
-Style Fixing: [EmmyLuaCodeStyle](https://github.com/CppCXY/EmmyLuaCodeStyle): `CodeCheck`
+Style: [EmmyLuaCodeStyle](https://github.com/CppCXY/EmmyLuaCodeStyle): `CodeCheck`
 
-nvim-tree.lua migrated from stylua to EmmyLuaCodeStyle ~2024/10. `vim.lsp.buf.format()` may be used as it is the default formatter for luals, using an embedded [EmmyLuaCodeStyle](https://github.com/CppCXY/EmmyLuaCodeStyle)
+nvim-tree.lua migrated from stylua to EmmyLuaCodeStyle ~2024/10. `vim.lsp.buf.format()` may be used as it is the default formatter for luals
 
 You can install them via you OS package manager e.g. `pacman`, `brew` or other via other package managers such as `cargo` or `luarocks`
 
@@ -36,14 +36,14 @@ make lint
 
 ## style
 
-1. Runs lua language server `codestyle-check` only, using `.luarc.json` settings
+1. Runs CodeCheck using `.editorconfig` settings
 1. Runs `scripts/doc-comments.sh` to validate annotated documentation
 
 ```sh
 make style
 ```
 
-You can automatically fix style issues using `CodeCheck`:
+You can automatically fix `CodeCheck` issues via:
 
 ```sh
 make style-fix

Makefile

@@ -17,7 +17,7 @@ luacheck:
 
 # --diagnosis-as-error does not function for workspace, hence we post-process the output
 style-check:
-	@scripts/luals-check.sh codestyle-check
+	CodeFormat check --config .editorconfig --diagnosis-as-error --workspace lua
 
 style-doc:
 	scripts/doc-comments.sh
@@ -43,6 +43,19 @@ help-update:
 help-check: help-update
 	git diff --exit-code doc/nvim-tree-lua.txt
 
+#
+# test
+#
+test: plenary.nvim
+	scripts/test.sh
+
+#
+# Dependencies
+#
+# no plenary tags or releases available
+plenary.nvim:
+	git clone git@github.com:nvim-lua/plenary.nvim.git
+
 
 .PHONY: all lint style check luacheck style-check style-doc luals style-fix help-update help-check
 

doc/nvim-tree-lua.txt

@@ -2007,99 +2007,43 @@ fs.print_clipboard()                      *nvim-tree-api.fs.print_clipboard()*
 Parameters: ~
   • {node} (Node|nil) file or folder
 
-node.open.edit({node}, {opts})                        *nvim-tree-api.node.open.edit()*
+node.open.edit({node})                        *nvim-tree-api.node.open.edit()*
     File:   open as per |nvim-tree.actions.open_file|
     Folder: expand or collapse
     Root:   change directory up
 
-    Parameters: ~
-      • {node} (Node|nil) file or folder
-      • {opts} (table) optional parameters
-
-    Options: ~
-      • {quit_on_open} (boolean) quits the tree when opening the file
-      • {focus} (boolean) keep focus in the tree when opening the file
-
                                *nvim-tree-api.node.open.replace_tree_buffer()*
 node.open.replace_tree_buffer({node})
     |nvim-tree-api.node.edit()|, file will be opened in place: in the
     nvim-tree window.
 
                                   *nvim-tree-api.node.open.no_window_picker()*
-node.open.no_window_picker({node}, {opts})
+node.open.no_window_picker({node})
     |nvim-tree-api.node.edit()|, window picker will never be used as per
     |nvim-tree.actions.open_file.window_picker.enable| `false`
 
-    Parameters: ~
+node.open.vertical({node})                *nvim-tree-api.node.open.vertical()*
-      • {node} (Node|nil) file or folder
-      • {opts} (table) optional parameters
-
-    Options: ~
-      • {quit_on_open} (boolean) quits the tree when opening the file
-      • {focus} (boolean) keep focus in the tree when opening the file
-
-node.open.vertical({node}, {opts})                *nvim-tree-api.node.open.vertical()*
     |nvim-tree-api.node.edit()|, file will be opened in a new vertical split.
 
-    Parameters: ~
-      • {node} (Node|nil) file or folder
-      • {opts} (table) optional parameters
-
-    Options: ~
-      • {quit_on_open} (boolean) quits the tree when opening the file
-      • {focus} (boolean) keep focus in the tree when opening the file
-
                                 *nvim-tree-api.node.open.vertical_no_picker()*
-node.open.vertical_no_picker({node}, {opts})
+node.open.vertical_no_picker({node})
     |nvim-tree-api.node.vertical()|, window picker will never be used as per
     |nvim-tree.actions.open_file.window_picker.enable| `false`
 
-    Parameters: ~
+node.open.horizontal({node})            *nvim-tree-api.node.open.horizontal()*
-      • {node} (Node|nil) file or folder
-      • {opts} (table) optional parameters
-
-    Options: ~
-      • {quit_on_open} (boolean) quits the tree when opening the file
-      • {focus} (boolean) keep focus in the tree when opening the file
-
-node.open.horizontal({node}, {opts})            *nvim-tree-api.node.open.horizontal()*
     |nvim-tree-api.node.edit()|, file will be opened in a new horizontal split.
 
-    Parameters: ~
-      • {node} (Node|nil) file or folder
-      • {opts} (table) optional parameters
-
-    Options: ~
-      • {quit_on_open} (boolean) quits the tree when opening the file
-      • {focus} (boolean) keep focus in the tree when opening the file
-
                               *nvim-tree-api.node.open.horizontal_no_picker()*
-node.open.horizontal_no_picker({node}, {opts})
+node.open.horizontal_no_picker({node})
     |nvim-tree-api.node.horizontal()|, window picker will never be used as per
     |nvim-tree.actions.open_file.window_picker.enable| `false`
 
-    Parameters: ~
-      • {node} (Node|nil) file or folder
-      • {opts} (table) optional parameters
-
-    Options: ~
-      • {quit_on_open} (boolean) quits the tree when opening the file
-      • {focus} (boolean) keep focus in the tree when opening the file
-
                                 *nvim-tree-api.node.open.toggle_group_empty()*
-node.open.toggle_group_empty({node}, {opts})
+node.open.toggle_group_empty({node})
     Toggle |nvim-tree.renderer.group_empty| for a specific folder.
     Does nothing on files.
     Needs |nvim-tree.renderer.group_empty| set.
 
-    Parameters: ~
-      • {node} (Node|nil) file or folder
-      • {opts} (table) optional parameters
-
-    Options: ~
-      • {quit_on_open} (boolean) quits the tree when opening the file
-      • {focus} (boolean) keep focus in the tree when opening the file
-
 node.open.drop({node})                        *nvim-tree-api.node.open.drop()*
     Switch to window with selected file if it exists.
     Open file otherwise.
@@ -2109,17 +2053,9 @@ node.open.drop({node})                        *nvim-tree-api.node.open.drop()*
     Folder: expand or collapse
     Root:   change directory up
 
-node.open.tab({node}, {opts})                          *nvim-tree-api.node.open.tab()*
+node.open.tab({node})                          *nvim-tree-api.node.open.tab()*
     |nvim-tree-api.node.edit()|, file will be opened in a new tab.
 
-    Parameters: ~
-      • {node} (Node|nil) file or folder
-      • {opts} (table) optional parameters
-
-    Options: ~
-      • {quit_on_open} (boolean) quits the tree when opening the file
-      • {focus} (boolean) keep focus in the tree when opening the file
-
                                           *nvim-tree-api.node.open.tab_drop()*
 node.open.tab_drop({node})
     Switch to tab containing window with selected file if it exists.
@@ -2129,31 +2065,15 @@ node.open.tab_drop({node})
     Folder: expand or collapse
     Root:   change directory up
 
-node.open.preview({node}, {opts})                  *nvim-tree-api.node.open.preview()*
+node.open.preview({node})                  *nvim-tree-api.node.open.preview()*
     |nvim-tree-api.node.edit()|, file buffer will have |bufhidden| set to `delete`.
 
-    Parameters: ~
-      • {node} (Node|nil) file or folder
-      • {opts} (table) optional parameters
-
-    Options: ~
-      • {quit_on_open} (boolean) quits the tree when opening the file
-      • {focus} (boolean) keep focus in the tree when opening the file
-
                                  *nvim-tree-api.node.open.preview_no_picker()*
-node.open.preview_no_picker({node}, {opts})
+node.open.preview_no_picker({node})
     |nvim-tree-api.node.edit()|, file buffer will have |bufhidden| set to `delete`.
     window picker will never be used as per
     |nvim-tree.actions.open_file.window_picker.enable| `false`
 
-    Parameters: ~
-      • {node} (Node|nil) file or folder
-      • {opts} (table) optional parameters
-
-    Options: ~
-      • {quit_on_open} (boolean) quits the tree when opening the file
-      • {focus} (boolean) keep focus in the tree when opening the file
-
 node.navigate.git.next({node})        *nvim-tree-api.node.navigate.git.next()*
     Navigate to the next item showing git status.
 
@@ -2769,21 +2689,13 @@ e.g. handler for node renamed: >lua
 |nvim_tree_events_kind|
 
 - Event.Ready
-                When NvimTree has been initialized.
+                When NvimTree has been initialized
-                • Note: Handler takes no parameter.
-
-- Event.TreePreOpen
-                Invoked before the window and buffer for NvimTree are created
-                or opened. Before |Event.TreeOpen| event.
                 • Note: Handler takes no parameter.
 
 - Event.TreeOpen
-                Invoked after the NvimTree is opened.
                 • Note: Handler takes no parameter.
 
 - Event.TreeClose
-                Invoked after the NvimTree is closed, but before the window is
-                closed. Dispatched on |WinClosed| event for NvimTree window.
                 • Note: Handler takes no parameter.
 
 - Event.Resize - When NvimTree is resized.

lua/nvim-tree.lua

@@ -236,17 +236,6 @@ local function setup_autocommands(opts)
       end,
     })
   end
-
-  -- Handles event dispatch when tree is closed by `:q`
-  create_nvim_tree_autocmd("WinClosed", {
-    pattern = "*",
-    ---@param ev vim.api.keyset.create_autocmd.callback_args
-    callback = function(ev)
-      if vim.api.nvim_get_option_value("filetype", { buf = ev.buf }) == "NvimTree" then
-        require("nvim-tree.events")._dispatch_on_tree_close()
-      end
-    end,
-  })
 end
 
 local DEFAULT_OPTS = { -- BEGIN_DEFAULT_OPTS

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

@@ -80,14 +80,6 @@ local function pick_win_id()
   local win_map = {}
   local laststatus = vim.o.laststatus
   vim.o.laststatus = 2
-  local fillchars = vim.opt.fillchars:get()
-  local stl = fillchars.stl
-  local stlnc = fillchars.stlnc
-  fillchars.stl = nil
-  fillchars.stlnc = nil
-  vim.opt.fillchars = fillchars
-  fillchars.stl = stl
-  fillchars.stlnc = stlnc
 
   local tabpage = vim.api.nvim_get_current_tabpage()
   local win_ids = vim.api.nvim_tabpage_list_wins(tabpage)
@@ -187,7 +179,6 @@ local function pick_win_id()
   end
 
   vim.o.laststatus = laststatus
-  vim.opt.fillchars = fillchars
 
   if not vim.tbl_contains(vim.split(M.window_picker.chars, ""), resp) then
     return

lua/nvim-tree/api.lua

@@ -222,46 +222,21 @@ Api.fs.copy.absolute_path = wrap_node(wrap_explorer_member("clipboard", "copy_ab
 Api.fs.copy.filename = wrap_node(wrap_explorer_member("clipboard", "copy_filename"))
 Api.fs.copy.basename = wrap_node(wrap_explorer_member("clipboard", "copy_basename"))
 Api.fs.copy.relative_path = wrap_node(wrap_explorer_member("clipboard", "copy_path"))
----
----@class NodeEditOpts
----@field quit_on_open boolean|nil default false
----@field focus boolean|nil default true
 
 ---@param mode string
 ---@param node Node
----@param edit_opts NodeEditOpts?
+local function edit(mode, node)
-local function edit(mode, node, edit_opts)
   local file_link = node:as(FileLinkNode)
   local path = file_link and file_link.link_to or node.absolute_path
-  local cur_tabpage = vim.api.nvim_get_current_tabpage()
-
   actions.node.open_file.fn(mode, path)
-
-  edit_opts = edit_opts or {}
-
-  local mode_unsupported_quit_on_open = mode == "drop" or mode == "tab_drop" or mode == "edit_in_place"
-  if not mode_unsupported_quit_on_open and edit_opts.quit_on_open then
-    view.close(cur_tabpage)
-  end
-
-  local mode_unsupported_focus = mode == "drop" or mode == "tab_drop" or mode == "edit_in_place"
-  local focus = edit_opts.focus == nil or edit_opts.focus == true
-  if not mode_unsupported_focus and not focus then
-    -- if mode == "tabnew" a new tab will be opened and we need to focus back to the previous tab
-    if mode == "tabnew" then
-      vim.cmd(":tabprev")
-    end
-    view.focus()
-  end
 end
 
 ---@param mode string
 ---@param toggle_group boolean?
----@return fun(node: Node, edit_opts: NodeEditOpts?)
+---@return fun(node: Node)
 local function open_or_expand_or_dir_up(mode, toggle_group)
   ---@param node Node
-  ---@param edit_opts NodeEditOpts?
+  return function(node)
-  return function(node, edit_opts)
     local root = node:as(RootNode)
     local dir = node:as(DirectoryNode)
 
@@ -270,7 +245,7 @@ local function open_or_expand_or_dir_up(mode, toggle_group)
     elseif dir then
       dir:expand_or_collapse(toggle_group)
     elseif not toggle_group then
-      edit(mode, node, edit_opts)
+      edit(mode, node)
     end
   end
 end

lua/nvim-tree/appearance/hi-test.lua

@@ -55,7 +55,7 @@ function HighlightDisplay:render(bufnr, fmt, l)
 
   vim.api.nvim_buf_set_lines(bufnr, l, -1, true, { text })
 
-  if vim.fn.has("nvim-0.11") == 1 and vim.hl and vim.hl.range then
+  if vim.fn.has("nvim-0.11") == 1 then
     vim.hl.range(bufnr, namespace_hi_test_id, self.group, { l, 0 }, { l, #self.group, }, {})
   else
     vim.api.nvim_buf_add_highlight(bufnr, -1, self.group, l, 0, #self.group) ---@diagnostic disable-line: deprecated

lua/nvim-tree/events.lua

@@ -8,7 +8,6 @@ M.Event = {
   Ready = "Ready",
   WillRenameNode = "WillRenameNode",
   NodeRenamed = "NodeRenamed",
-  TreePreOpen = "TreePreOpen",
   TreeOpen = "TreeOpen",
   TreeClose = "TreeClose",
   WillCreateFile = "WillCreateFile",
@@ -92,11 +91,6 @@ function M._dispatch_folder_removed(folder_name)
   dispatch(M.Event.FolderRemoved, { folder_name = folder_name })
 end
 
---@private
-function M._dispatch_on_tree_pre_open()
-  dispatch(M.Event.TreePreOpen, nil)
-end
-
 --@private
 function M._dispatch_on_tree_open()
   dispatch(M.Event.TreeOpen, nil)

lua/nvim-tree/explorer/init.lua

@@ -101,19 +101,10 @@ function Explorer:create_autocmds()
   vim.api.nvim_create_autocmd("BufReadPost", {
     group = self.augroup_id,
     callback = function(data)
-      -- only handle normal files
+      if (self.filters.state.no_buffer or self.opts.highlight_opened_files ~= "none") and vim.bo[data.buf].buftype == "" then
-      if vim.bo[data.buf].buftype ~= "" then
-        return
-      end
-
-      if self.filters.state.no_buffer then
-        -- full reload is required to update the filter state
         utils.debounce("Buf:filter_buffer_" .. self.uid_explorer, self.opts.view.debounce_delay, function()
           self:reload_explorer()
         end)
-      elseif self.opts.renderer.highlight_opened_files ~= "none" then
-        -- draw to update opened highlight
-        self.renderer:draw()
       end
     end,
   })
@@ -122,21 +113,10 @@ function Explorer:create_autocmds()
   vim.api.nvim_create_autocmd("BufUnload", {
     group = self.augroup_id,
     callback = function(data)
-      -- only handle normal files
+      if (self.filters.state.no_buffer or self.opts.highlight_opened_files ~= "none") and vim.bo[data.buf].buftype == "" then
-      if vim.bo[data.buf].buftype ~= "" then
-        return
-      end
-
-      if self.filters.state.no_buffer then
-        -- full reload is required to update the filter state
         utils.debounce("Buf:filter_buffer_" .. self.uid_explorer, self.opts.view.debounce_delay, function()
           self:reload_explorer()
         end)
-      elseif self.opts.renderer.highlight_opened_files ~= "none" then
-        -- draw to update opened highlight; must be delayed as the buffer is still loaded during BufUnload
-        vim.schedule(function()
-          self.renderer:draw()
-        end)
       end
     end,
   })
@@ -234,9 +214,8 @@ function Explorer:reload(node, project)
     end
 
     local abs = utils.path_join({ cwd, name })
-
+    ---@type uv.fs_stat.result|nil
-    -- path incorrectly specified as an integer
+    local stat = vim.loop.fs_lstat(abs)
-    local stat = vim.loop.fs_lstat(abs) ---@diagnostic disable-line param-type-mismatch
 
     local filter_reason = self.filters:should_filter_as_reason(abs, stat, filter_status)
     if filter_reason == FILTER_REASON.none then
@@ -394,9 +373,8 @@ function Explorer:populate_children(handle, cwd, node, project, parent)
     if Watcher.is_fs_event_capable(abs) then
       local profile = log.profile_start("populate_children %s", abs)
 
-      -- path incorrectly specified as an integer
+      ---@type uv.fs_stat.result|nil
-      local stat = vim.loop.fs_lstat(abs) ---@diagnostic disable-line param-type-mismatch
+      local stat = vim.loop.fs_lstat(abs)
-
       local filter_reason = parent.filters:should_filter_as_reason(abs, stat, filter_status)
       if filter_reason == FILTER_REASON.none and not nodes_by_path[abs] then
         local child = node_factory.create({
@@ -411,9 +389,9 @@ function Explorer:populate_children(handle, cwd, node, project, parent)
           nodes_by_path[child.absolute_path] = true
           child:update_git_status(node_ignored, project)
         end
-      elseif node.hidden_stats then
+      else
         for reason, value in pairs(FILTER_REASON) do
-          if filter_reason == value and type(node.hidden_stats[reason]) == "number" then
+          if filter_reason == value then
             node.hidden_stats[reason] = node.hidden_stats[reason] + 1
           end
         end

lua/nvim-tree/help.lua

@@ -190,7 +190,7 @@ local function open()
 
   -- highlight it
   for _, args in ipairs(hl_range_args) do
-    if vim.fn.has("nvim-0.11") == 1 and vim.hl and vim.hl.range then
+    if vim.fn.has("nvim-0.11") == 1 then
       vim.hl.range(M.bufnr, namespace_help_id, args.higroup, args.start, args.finish, {})
     else
       vim.api.nvim_buf_add_highlight(M.bufnr, -1, args.higroup, args.start[1], args.start[2], args.finish[2]) ---@diagnostic disable-line: deprecated

lua/nvim-tree/lib.lua

@@ -1,5 +1,6 @@
 local view = require("nvim-tree.view")
 local core = require("nvim-tree.core")
+local events = require("nvim-tree.events")
 local notify = require("nvim-tree.notify")
 
 ---@class LibOpenOpts
@@ -129,6 +130,7 @@ function M.open(opts)
     open_view_and_draw()
   end
   view.restore_tab_state()
+  events._dispatch_on_tree_open()
 end
 
 function M.setup(opts)

lua/nvim-tree/renderer/components/full-name.lua

@@ -64,7 +64,6 @@ local function show()
     height    = 1,
     noautocmd = true,
     style     = "minimal",
-    border    = "none"
   })
 
   local ns_id = vim.api.nvim_get_namespaces()["NvimTreeHighlights"]
@@ -81,7 +80,7 @@ local function show()
       local details = extmark[4]
 
       if type(details) == "table" then
-        if vim.fn.has("nvim-0.11") == 1 and vim.hl and vim.hl.range then
+        if vim.fn.has("nvim-0.12") == 1 then
           vim.hl.range(0, ns_id, details.hl_group, { 0, col }, { 0, details.end_col, }, {})
         else
           vim.api.nvim_buf_add_highlight(0, ns_id, details.hl_group, 0, col, details.end_col) ---@diagnostic disable-line: deprecated

lua/nvim-tree/renderer/init.lua

@@ -87,7 +87,7 @@ function Renderer:render_hl(bufnr, hl_range_args)
   end
   vim.api.nvim_buf_clear_namespace(bufnr, namespace_highlights_id, 0, -1)
   for _, args in ipairs(hl_range_args) do
-    if vim.fn.has("nvim-0.11") == 1 and vim.hl and vim.hl.range then
+    if vim.fn.has("nvim-0.11") == 1 then
       vim.hl.range(bufnr, namespace_highlights_id, args.higroup, args.start, args.finish, {})
     else
       vim.api.nvim_buf_add_highlight(bufnr, namespace_highlights_id, args.higroup, args.start[1], args.start[2], args.finish[2]) ---@diagnostic disable-line: deprecated

lua/nvim-tree/utils.lua

@@ -11,6 +11,10 @@ M.is_wsl = vim.fn.has("wsl") == 1
 -- false for WSL
 M.is_windows = vim.fn.has("win32") == 1 or vim.fn.has("win32unix") == 1
 
+function M._is_windows()
+  return vim.fn.has("win32") == 1 or vim.fn.has("win32unix") == 1
+end
+
 ---@param haystack string
 ---@param needle string
 ---@return boolean
@@ -299,7 +303,7 @@ end
 ---@param path string
 ---@return string
 function M.canonical_path(path)
-  if M.is_windows and path:match("^%a:") then
+  if M._is_windows() and path:match("^%a:") then
     return path:sub(1, 1):upper() .. path:sub(2)
   end
   return path

lua/nvim-tree/view.lua

@@ -254,6 +254,7 @@ local function close(tabpage)
           return
         end
       end
+      events._dispatch_on_tree_close()
       return
     end
   end
@@ -269,12 +270,9 @@ function M.close_all_tabs()
   end
 end
 
----@param tabpage integer|nil
+function M.close()
-function M.close(tabpage)
   if M.View.tab.sync.close then
     M.close_all_tabs()
-  elseif tabpage then
-    close(tabpage)
   else
     M.close_this_tab_only()
   end
@@ -288,7 +286,6 @@ function M.open(options)
 
   local profile = log.profile_start("view open")
 
-  events._dispatch_on_tree_pre_open()
   create_buffer()
   open_window()
   M.resize()
@@ -414,7 +411,6 @@ end
 ---@param opts OpenInWinOpts|nil
 function M.open_in_win(opts)
   opts = opts or { hijack_current_buf = true, resize = true }
-  events._dispatch_on_tree_pre_open()
   if opts.winid and vim.api.nvim_win_is_valid(opts.winid) then
     vim.api.nvim_set_current_win(opts.winid)
   end
@@ -426,7 +422,6 @@ function M.open_in_win(opts)
     M.reposition_window()
     M.resize()
   end
-  events._dispatch_on_tree_open()
 end
 
 function M.abandon_current_window()

scripts/luals-check.sh

@@ -4,8 +4,6 @@
 # luals-out/check.json will be produced on any issues, returning 1.
 # Outputs only check.json to stdout, all other messages to stderr, to allow jq etc.
 # $VIMRUNTIME specifies neovim runtime path, defaults to "/usr/share/nvim/runtime" if unset.
-#
-# Call with codestyle-check param to enable only codestyle-check
 
 if [ -z "${VIMRUNTIME}" ]; then
 	export VIMRUNTIME="/usr/share/nvim/runtime"
@@ -19,24 +17,11 @@ FILE_LUARC="${DIR_OUT}/luarc.json"
 rm -rf "${DIR_OUT}"
 mkdir "${DIR_OUT}"
 
-case "${1}" in
+# Uncomment runtime.version for strict neovim baseline 5.1
-	"codestyle-check")
+# It is not set normally, to prevent luals loading 5.1 and 5.x, resulting in both versions being chosen on vim.lsp.buf.definition()  
-		jq \
+cat "${PWD}/.luarc.json" | sed -E 's/.luals-check-only//g' > "${FILE_LUARC}"
-			'.diagnostics.neededFileStatus[] = "None" | .diagnostics.neededFileStatus."codestyle-check" = "Any"' \
-			"${PWD}/.luarc.json" > "${FILE_LUARC}"
 
-		;;
+# execute inside lua to prevent luals itself from being checked
-	*)
-		# Add runtime.version for strict neovim baseline 5.1
-		# It is not set normally, to prevent luals loading 5.1 and 5.x, resulting in both versions being chosen on vim.lsp.buf.definition
-		jq \
-			'."runtime.version" = "Lua 5.1"' \
-			"${PWD}/.luarc.json" > "${FILE_LUARC}"
-
-		;;
-esac
-
-# execute inside lua directory to prevent luals itself from being checked
 OUT=$(lua-language-server --check="${DIR_SRC}" --configpath="${FILE_LUARC}" --checklevel=Information --logpath="${DIR_OUT}" --loglevel=error)
 RC=$?
 

scripts/test.sh

@@ -0,0 +1,25 @@
+#!/bin/sh
+
+set -e
+
+DIR_REPO="$(git rev-parse --show-toplevel)"
+export DIR_REPO
+
+DIR_PLENARY="${DIR_REPO}/plenary.nvim"
+export DIR_PLENARY
+
+if [ "${#}" -eq 1 ]; then
+	TEST_NAME="${1}"
+elif [ -z "${TEST_NAME}" ]; then
+	TEST_NAME="tests"
+fi
+export TEST_NAME
+
+echo "testing: ${TEST_NAME}"
+
+nvim --headless \
+	--clean \
+	-u "${DIR_REPO}/tests/minimal_init.lua" \
+	-l "${DIR_REPO}/tests/test_init.lua" \
+	-c "qa!"
+

tests/minimal_init.lua

@@ -0,0 +1,8 @@
+-- Prepend these as plenary appends a "." and plenary directory
+-- The spawned processes don't specify --clean so contain the full ~/.local runtime path
+vim.o.runtimepath = string.format(
+  "%s,%s,%s",
+  vim.env.DIR_REPO,
+  vim.env.DIR_PLENARY,
+  vim.o.runtimepath
+)

tests/test_init.lua

@@ -0,0 +1,9 @@
+local test_harness = require("plenary.test_harness")
+
+test_harness.test_directory(
+  vim.env.TEST_NAME,
+  {
+    minimal_init = vim.env.DIR_REPO .. "/tests/minimal_init.lua",
+    sequential = true,
+  }
+)

tests/unit/utils_spec.lua

@@ -0,0 +1,30 @@
+---@type Luassert
+local assert = require("luassert")
+local stub = require("luassert.stub")
+
+local utils = require("nvim-tree.utils")
+
+describe("utils.path_add_trailing", function()
+  it("trailing added", function()
+    assert.equals("foo/", utils.path_add_trailing("foo"))
+  end)
+
+  it("trailing already present", function()
+    assert.equals("foo/", utils.path_add_trailing("foo/"))
+  end)
+end)
+
+describe("utils.canonical_path", function()
+  before_each(function()
+    stub(vim.fn, "has")
+  end)
+
+  it("is windows", function()
+    vim.fn.has.on_call_with("win32unix").returns(1)
+    assert.equals("C:\\foo\\bar", utils.canonical_path("c:\\foo\\bar"), "should be uppercase drive")
+  end)
+
+  it("not windows", function()
+    assert.equals("c:\\foo\\bar", utils.canonical_path("c:\\foo\\bar"))
+  end)
+end)