kyazdani42 / nvim-tree.lua

A file explorer tree for neovim written in lua

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A File Explorer For Neovim Written In Lua

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Notice

This plugin requires neovim >=0.7.0.

If you have issues since the recent setup migration, check out this guide

Install

Install with vim-plug:

" requires
Plug 'kyazdani42/nvim-web-devicons' " for file icons
Plug 'kyazdani42/nvim-tree.lua'

Install with packer:

use {
    'kyazdani42/nvim-tree.lua',
    requires = {
      'kyazdani42/nvim-web-devicons', -- optional, for file icon
    },
    tag = 'nightly' -- optional, updated every week. (see issue #1193)
}

Setup

Options are currently being migrated into the setup function, you need to run require'nvim-tree'.setup() in your personal configurations. Setup should be run in a lua file or in a lua heredoc (:help lua-heredoc) if using in a vim file. Note that options under the g: command should be set BEFORE running the setup function. These are being migrated to the setup function incrementally, check this issue if you encounter any problems related to configs not working after update.

" vimrc
let g:nvim_tree_git_hl = 1 "0 by default, will enable file highlight for git attributes (can be used without the icons).
let g:nvim_tree_highlight_opened_files = 1 "0 by default, will enable folder and file icon highlight for opened files/directories.
let g:nvim_tree_root_folder_modifier = ':~' "This is the default. See :help filename-modifiers for more options
let g:nvim_tree_add_trailing = 1 "0 by default, append a trailing slash to folder names
let g:nvim_tree_group_empty = 1 " 0 by default, compact folders that only contain a single folder into one node in the file tree
let g:nvim_tree_icon_padding = ' ' "one space by default, used for rendering the space between the icon and the filename. Use with caution, it could break rendering if you set an empty string depending on your font.
let g:nvim_tree_symlink_arrow = ' >> ' " defaults to ' ➛ '. used as a separator between symlinks' source and target.
let g:nvim_tree_respect_buf_cwd = 1 "0 by default, will change cwd of nvim-tree to that of new buffer's when opening nvim-tree.
let g:nvim_tree_create_in_closed_folder = 1 "0 by default, When creating files, sets the path of a file when cursor is on a closed folder to the parent folder when 0, and inside the folder when 1.
let g:nvim_tree_special_files = { 'README.md': 1, 'Makefile': 1, 'MAKEFILE': 1 } " List of filenames that gets highlighted with NvimTreeSpecialFile
let g:nvim_tree_show_icons = {
    \ 'git': 1,
    \ 'folders': 0,
    \ 'files': 0,
    \ 'folder_arrows': 0,
    \ }
"If 0, do not show the icons for one of 'git' 'folder' and 'files'
"1 by default, notice that if 'files' is 1, it will only display
"if nvim-web-devicons is installed and on your runtimepath.
"if folder is 1, you can also tell folder_arrows 1 to show small arrows next to the folder icons.
"but this will not work when you set renderer.indent_markers.enable (because of UI conflict)

" default will show icon by default if no icon is provided
" default shows no icon by default
let g:nvim_tree_icons = {
    \ 'default': "",
    \ 'symlink': "",
    \ 'git': {
    \   'unstaged': "",
    \   'staged': "",
    \   'unmerged': "",
    \   'renamed': "",
    \   'untracked': "",
    \   'deleted': "",
    \   'ignored': ""
    \   },
    \ 'folder': {
    \   'arrow_open': "",
    \   'arrow_closed': "",
    \   'default': "",
    \   'open': "",
    \   'empty': "",
    \   'empty_open': "",
    \   'symlink': "",
    \   'symlink_open': "",
    \   }
    \ }

nnoremap <C-n> :NvimTreeToggle<CR>
nnoremap <leader>r :NvimTreeRefresh<CR>
nnoremap <leader>n :NvimTreeFindFile<CR>
" More available functions:
" NvimTreeOpen
" NvimTreeClose
" NvimTreeFocus
" NvimTreeFindFileToggle
" NvimTreeResize
" NvimTreeCollapse
" NvimTreeCollapseKeepBuffers

set termguicolors " this variable must be enabled for colors to be applied properly

" a list of groups can be found at `:help nvim_tree_highlight`
highlight NvimTreeFolderIcon guibg=blue
-- init.lua

-- empty setup using defaults: add your own options
require'nvim-tree'.setup {
}

-- OR

-- setup with all defaults
-- each of these are documented in `:help nvim-tree.OPTION_NAME`
-- nested options are documented by accessing them with `.` (eg: `:help nvim-tree.view.mappings.list`).
require'nvim-tree'.setup { -- BEGIN_DEFAULT_OPTS
  auto_reload_on_write = true,
  disable_netrw = false,
  hijack_cursor = false,
  hijack_netrw = true,
  hijack_unnamed_buffer_when_opening = false,
  ignore_buffer_on_setup = false,
  open_on_setup = false,
  open_on_setup_file = false,
  open_on_tab = false,
  sort_by = "name",
  update_cwd = false,
  reload_on_bufenter = false,
  view = {
    width = 30,
    height = 30,
    hide_root_folder = false,
    side = "left",
    preserve_window_proportions = false,
    number = false,
    relativenumber = false,
    signcolumn = "yes",
    mappings = {
      custom_only = false,
      list = {
        -- user mappings go here
      },
    },
  },
  renderer = {
    indent_markers = {
      enable = false,
      icons = {
        corner = "",
        edge = "",
        none = "  ",
      },
    },
    icons = {
      webdev_colors = true,
      git_placement = "before",
    },
  },
  hijack_directories = {
    enable = true,
    auto_open = true,
  },
  update_focused_file = {
    enable = false,
    update_cwd = false,
    ignore_list = {},
  },
  ignore_ft_on_setup = {},
  system_open = {
    cmd = "",
    args = {},
  },
  diagnostics = {
    enable = false,
    show_on_dirs = false,
    icons = {
      hint = "",
      info = "",
      warning = "",
      error = "",
    },
  },
  filters = {
    dotfiles = false,
    custom = {},
    exclude = {},
  },
  git = {
    enable = true,
    ignore = true,
    timeout = 400,
  },
  actions = {
    use_system_clipboard = true,
    change_dir = {
      enable = true,
      global = false,
      restrict_above_cwd = false,
    },
    open_file = {
      quit_on_open = false,
      resize_window = true,
      window_picker = {
        enable = true,
        chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890",
        exclude = {
          filetype = { "notify", "packer", "qf", "diff", "fugitive", "fugitiveblame" },
          buftype = { "nofile", "terminal", "help" },
        },
      },
    },
  },
  trash = {
    cmd = "trash",
    require_confirm = true,
  },
  live_filter = {
    prefix = "[FILTER]: ",
    always_show_folders = true,
  },
  log = {
    enable = false,
    truncate = false,
    types = {
      all = false,
      config = false,
      copy_paste = false,
      diagnostics = false,
      git = false,
      profile = false,
    },
  },
} -- END_DEFAULT_OPTS

Key Bindings

Default actions

  • <CR> or o on the root folder will cd in the above directory
  • <C-]> will cd in the directory under the cursor
  • <BS> will close current opened directory or parent
  • type a to add a file. Adding a directory requires leaving a leading / at the end of the path.

    you can add multiple directories by doing foo/bar/baz/f and it will add foo bar and baz directories and f as a file

  • type r to rename a file
  • type <C-r> to rename a file and omit the filename on input
  • type x to add/remove file/directory to cut clipboard
  • type c to add/remove file/directory to copy clipboard
  • type y will copy name to system clipboard
  • type Y will copy relative path to system clipboard
  • type gy will copy absolute path to system clipboard
  • type p to paste from clipboard. Cut clipboard has precedence over copy (will prompt for confirmation)
  • type d to delete a file (will prompt for confirmation)
  • type D to trash a file (configured in setup())
  • type ]c to go to next git item
  • type [c to go to prev git item
  • type - to navigate up to the parent directory of the current file/directory
  • type s to open a file with default system application or a folder with default file manager (if you want to change the command used to do it see :h nvim-tree.setup under system_open)
  • if the file is a directory, <CR> will open the directory otherwise it will open the file in the buffer near the tree
  • if the file is a symlink, <CR> will follow the symlink (if the target is a file)
  • <C-v> will open the file in a vertical split
  • <C-x> will open the file in a horizontal split
  • <C-t> will open the file in a new tab
  • <Tab> will open the file as a preview (keeps the cursor in the tree)
  • I will toggle visibility of hidden folders / files
  • H will toggle visibility of dotfiles (files/folders starting with a .)
  • R will refresh the tree
  • Double left click acts like <CR>
  • Double right click acts like <C-]>
  • W will collapse the whole tree
  • S will prompt the user to enter a path and then expands the tree to match the path
  • . will enter vim command mode with the file the cursor is on
  • C-k will toggle a popup with file infos about the file under the cursor
  • f will allow you to filter nodes dynamically based on regex matching.

Settings

The list option in view.mappings.list is a table of

-- key can be either a string or a table of string (lhs)
-- action is the name of the action, set to `""` to remove default action
-- action_cb is the function that will be called, it receives the node as a parameter. Optional for default actions
-- mode is normal by default

local tree_cb = require'nvim-tree.config'.nvim_tree_callback

local function print_node_path(node) {
  print(node.absolute_path)
}

local list = {
  { key = {"<CR>", "o" }, action = "edit", mode = "n"},
  { key = "p", action = "print_path", action_cb = print_node_path },
  { key = "s", cb = tree_cb("vsplit") }, --tree_cb and the cb property are deprecated
  { key = "<2-RightMouse>", action = "" }, -- will remove default cd action
}

These are the default bindings:

-- default mappings
local list = {
  { key = {"<CR>", "o", "<2-LeftMouse>"}, action = "edit" },
  { key = "<C-e>",                        action = "edit_in_place" },
  { key = {"O"},                          action = "edit_no_picker" },
  { key = {"<2-RightMouse>", "<C-]>"},    action = "cd" },
  { key = "<C-v>",                        action = "vsplit" },
  { key = "<C-x>",                        action = "split" },
  { key = "<C-t>",                        action = "tabnew" },
  { key = "<",                            action = "prev_sibling" },
  { key = ">",                            action = "next_sibling" },
  { key = "P",                            action = "parent_node" },
  { key = "<BS>",                         action = "close_node" },
  { key = "<Tab>",                        action = "preview" },
  { key = "K",                            action = "first_sibling" },
  { key = "J",                            action = "last_sibling" },
  { key = "I",                            action = "toggle_git_ignored" },
  { key = "H",                            action = "toggle_dotfiles" },
  { key = "R",                            action = "refresh" },
  { key = "a",                            action = "create" },
  { key = "d",                            action = "remove" },
  { key = "D",                            action = "trash" },
  { key = "r",                            action = "rename" },
  { key = "<C-r>",                        action = "full_rename" },
  { key = "x",                            action = "cut" },
  { key = "c",                            action = "copy" },
  { key = "p",                            action = "paste" },
  { key = "y",                            action = "copy_name" },
  { key = "Y",                            action = "copy_path" },
  { key = "gy",                           action = "copy_absolute_path" },
  { key = "[c",                           action = "prev_git_item" },
  { key = "]c",                           action = "next_git_item" },
  { key = "-",                            action = "dir_up" },
  { key = "s",                            action = "system_open" },
  { key = "f",                            action = "live_filter" },
  { key = "F",                            action = "clear_live_filter" },
  { key = "q",                            action = "close" },
  { key = "g?",                           action = "toggle_help" },
  { key = "W",                            action = "collapse_all" },
  { key = "S",                            action = "search_node" },
  { key = "<C-k>",                        action = "toggle_file_info" },
  { key = ".",                            action = "run_file_command" }
}

You can toggle the help UI by pressing g?.

Tips & reminders

  1. You can add a directory by adding a / at the end of the paths, entering multiple directories BASE/foo/bar/baz will add directory foo, then bar and add a file baz to it.
  2. You can update window options for the tree by setting require"nvim-tree.view".View.winopts.MY_OPTION = MY_OPTION_VALUE
  3. toggle has a second parameter which allows to toggle without focusing the explorer (require"nvim-tree".toggle(false, true)).
  4. You can allow nvim-tree to behave like vinegar (see :help nvim-tree-vinegar).
  5. If you :set nosplitright, the files will open on the left side of the tree, placing the tree window in the right side of the file you opened.
  6. You can automatically close the tab/vim when nvim-tree is the last window in the tab. WARNING: other plugins or automation may interfere with this:
autocmd BufEnter * ++nested if winnr('$') == 1 && bufname() == 'NvimTree_' . tabpagenr() | quit | endif

Diagnostic Logging

You may enable diagnostic logging to $XDG_CACHE_HOME/nvim/nvim-tree.log. See :help nvim-tree.log.

Performance Issues

If you are experiencing performance issues with nvim-tree.lua, you can enable profiling in the logs. It is advisable to enable git logging at the same time, as that can be a source of performance problems.

log = {
  enable = true,
  truncate = true,
  types = {
    git = true,
    profile = true,
  },
},

Please attach $XDG_CACHE_HOME/nvim/nvim-tree.log if you raise an issue.

Performance Tips:

  • If you are using fish as an editor shell (which might be fixed in the future), try set shell=/bin/bash in your vim config. Alternatively, you can prevent fish from loading interactive configuration in a non-interactive shell.

  • Try manually running the git command (see the logs) in your shell e.g. git --no-optional-locks status --porcelain=v1 --ignored=matching -u.

  • Huge git repositories may timeout after the default git.timeout of 400ms. Try increasing that in your setup if you see [git] job timed out in the logs.

  • Try temporarily disabling git integration by setting git.enable = false in your setup.

Screenshots

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A file explorer tree for neovim written in lua

License:Other


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