mini-files.txt

*mini.files* Navigate and manipulate file system
*MiniFiles*

MIT License Copyright (c) 2023 Evgeni Chasnovski

==============================================================================

Features:
- Navigate file system using column view (Miller columns) to display nested
  directories. See |MiniFiles-navigation| for overview.

- Opt-in preview of file or directory under cursor.

- Manipulate files and directories by editing text buffers: create, delete,
  copy, rename, move. See |MiniFiles-manipulation| for overview.

- Use as default file explorer instead of |netrw|.

- Configurable:
    - Filter/prefix/sort of file system entries.
    - Mappings used for common explorer actions.
    - UI options: whether to show preview of file/directory under cursor, etc.
    - Bookmarks for quicker navigation.

What it doesn't do:
- Try to be replacement of system file explorer. It is mostly designed to
  be used within Neovim to quickly explore file system structure, open
  files, and perform some quick file system edits.

- Work on remote locations. Only local file system is supported.

- Provide built-in interactive toggle of content `filter` and `sort`.
  See |MiniFiles-examples| for some common examples.

- Provide out of the box extra information like git or diagnostic status.
  This can be achieved by setting |extmarks| on appropriate event(s)
  (see |MiniFiles-events|)

Notes:
- This module is written and thoroughly tested on Linux. Support for other
  platform/OS (like Windows or MacOS) is a goal, but there is no guarantee.

- Works on all supported versions but using Neovim>=0.9 is recommended.

- This module silently reacts to not enough permissions:
    - In case of missing file, check its or its parent read permissions.
    - In case of no manipulation result, check write permissions.

# Dependencies ~

Suggested dependencies (provide extra functionality, will work without them):

- Enabled |MiniIcons| module to show icons near file/directory names.
  Falls back to 'nvim-tree/nvim-web-devicons' plugin or uses default icons.

# Setup ~

This module needs a setup with `require('mini.files').setup({})` (replace
`{}` with your `config` table). It will create global Lua table `MiniFiles`
which you can use for scripting or manually (with `:lua MiniFiles.*`).

See |MiniFiles.config| for available config settings.

You can override runtime config settings (like mappings or window options)
locally to buffer inside `vim.b.minifiles_config` which should have same
structure as `MiniFiles.config`. See |mini.nvim-buffer-local-config| for
more details.

# Comparisons ~

- 'nvim-tree/nvim-tree.lua':
    - Provides tree view of file system, while this module uses column view.
    - File system manipulation is done with custom set of mappings for each
      action, while this module is designed to do that by editing text.
    - Has more out of the box functionality with extra configuration, while
      this module has not (by design).

- 'stevearc/oil.nvim':
    - Uses single window to show information only about currently explored
      directory, while this module uses column view to show whole currently
      explored branch.
    - Also uses text editing to manipulate file system entries.
    - Can work for remote file systems, while this module can not (by design).

- 'nvim-neo-tree/neo-tree.nvim':
    - Compares to this module mostly the same as 'nvim-tree/nvim-tree.lua'.

# Highlight groups ~

* `MiniFilesBorder` - border of regular windows.
* `MiniFilesBorderModified` - border of windows showing modified buffer.
* `MiniFilesCursorLine` - cursor line in explorer windows.
* `MiniFilesDirectory` - text and icon representing directory.
* `MiniFilesFile` - text representing file.
* `MiniFilesNormal` - basic foreground/background highlighting.
* `MiniFilesTitle` - title of regular windows.
* `MiniFilesTitleFocused` - title of focused window.

To change any highlight group, modify it directly with |:highlight|.

# Disabling ~

This plugin provides only manually started functionality, so no disabling
is available.

------------------------------------------------------------------------------
                                                          *MiniFiles-navigation*
Navigation ~

Every navigation starts by calling |MiniFiles.open()|, either directly or via
mapping (see its help for examples of some common scenarios). It will show
an explorer consisting of side-by-side floating windows with the following
principles:

- Explorer shows one branch of nested directories at a time.

- Explorer consists from several windows:

    - Each window displays entries of a single directory in a modifiable
      scratch buffer.

    - Windows are organized left to right: for any particular window the left
      neighbor is its parent directory and right neighbor - its child.

- Explorer windows are the viewport to some part of current branch, meaning
  that their opening/closing does not affect the branch. This matters, for
  example, if there are more elements in the branch than can be shown windows.

- Every buffer line represents separate file system entry following certain
  format (not visible for users by default; set |conceallevel| to 0 to see it)

- Once directory is shown, its buffer is not updated automatically following
  external file system changes. Manually use |MiniFiles.synchronize()| for that.

After opening explorer, in-buffer navigation is done the same way as any
regular buffer, except without some keys reserved for built-in actions.

Most common ways to navigate are:

- Press `j` to move cursor onto next (lower) entry in current directory.
- Press `k` to move cursor onto previous (higher) entry in current directory.
- Press `l` to expand entry under cursor (see "Go in" action).
- Press `h` to focus on parent directory (see "Go out" action).

Cursor positions in each directory buffer are tracked and saved during
navigation. This allows for more convenient repeated navigation to some
previously visited branch.

Available built-in actions (see "Details" for more information): >

 | Action      | Keys | Description                                    |
 |-------------|------|------------------------------------------------|
 | Close       |  q   | Close explorer                                 |
 |-------------|------|------------------------------------------------|
 | Go in       |  l   | Expand entry (show directory or open file)     |
 |-------------|------|------------------------------------------------|
 | Go in plus  |  L   | Expand entry plus extra action                 |
 |-------------|------|------------------------------------------------|
 | Go out      |  h   | Focus on parent directory                      |
 |-------------|------|------------------------------------------------|
 | Go out plus |  H   | Focus on parent directory plus extra action    |
 |-------------|------|------------------------------------------------|
 | Go to mark  |  '   | Jump to bookmark (waits for single key id)     |
 |-------------|------|------------------------------------------------|
 | Set mark    |  m   | Set bookmark (waits for single key id)         |
 |-------------|------|------------------------------------------------|
 | Reset       | <BS> | Reset current explorer                         |
 |-------------|------|------------------------------------------------|
 | Reveal cwd  |  @   | Reset current current working directory        |
 |-------------|------|------------------------------------------------|
 | Show help   |  g?  | Show help window                               |
 |-------------|------|------------------------------------------------|
 | Synchronize |  =   | Synchronize user edits and/or external changes |
 |-------------|------|------------------------------------------------|
 | Trim left   |  <   | Trim left part of branch                       |
 |-------------|------|------------------------------------------------|
 | Trim right  |  >   | Trim right part of branch                      |
 |-------------|------|------------------------------------------------|
<
Details:

- "Go in":
    - Always opens file in the latest window before `MiniFiles.open()` call.
    - Never closes explorer.
    - Works in linewise Visual mode to expand multiple entries.

- "Go in plus" is regular "Go in" but closes explorer after opening a file.

- "Go out plus" is regular "Go out" but trims right part of branch.

- "Set mark" and "Go to mark" both wait for user to press a single character
  of a bookmark id. Example: `ma` sets directory path of focused window as
  bookmark "a"; `'a` jumps (sets as whole branch) to bookmark "a".
  Special bookmark "'" always points to path before the latest bookmark jump.

- "Reset" focuses only on "anchor" directory (the one used to open current
  explorer) and resets all stored directory cursor positions.

- "Reveal cwd" extends branch to include |current-directory|.
  If it is not an ancestor of the current branch, nothing is done.

- "Show help" results into new window with helpful information about current
  explorer (like buffer mappings and bookmarks). Press `q` to close it.

- "Synchronize" parses user edits in directory buffers, applies them (after
  confirmation), and updates all directory buffers with the most relevant
  file system information. Can also be used without user edits to show up
  to date file system entries.
  See |MiniFiles-manipulation| for more info about file system manipulation.

- "Trim left" and "Trim right" trim parts of the whole branch, not only its
  currently visible parts.

Notes:

- Each action has exported function with more details about it.

- Keys can be configured with `mappings` table of |MiniFiles.config|.

------------------------------------------------------------------------------
                                                        *MiniFiles-manipulation*
Manipulation ~

File system manipulation is done by editing text inside directory buffers,
which are shown inside dedicated window(s). See |MiniFiles-navigation| for
more information about navigating to a particular directory.

General workflow:

- Navigate to the directory in which manipulation should be done.

- Edit buffer in the way representing file system action.

- Repeat previous steps until all necessary file system actions are recorded.
  Note: even if directory buffer is hidden, its modifications are preserved,
  so you can navigate in and out of directory with modified buffer.

- Execute |MiniFiles.synchronize()| (default key is `=`). This will prompt
  confirmation dialog listing all file system actions (per directory) it is
  about to perform. READ IT CAREFULLY.

- Confirm by pressing `y` / `<CR>` (apply edits and update buffers) or
  don't confirm by pressing `n` / `<Esc>` (update buffers without applying edits).

Note: prefer small and not related steps with more frequent synchronization
over single complex manipulation. There are (known) cases which won't work.

# How does it work ~

All manipulation functionality is powered by creating and keeping track of
path indexes: text of the form `/xxx` (`xxx` is the number path index) placed
at the start of every line representing file system entry.

By default they are hidden as concealed text (along with prefix separators)
for more convenience but you can see them by setting |conceallevel| to 0.
DO NOT modify text to the left of entry name.

During synchronization, actual text for entry name is compared to path index
at that line (if present) to deduce which file system action to perform.
Note that order of text manipulation steps does not affect performed actions.

# Supported file system actions ~

## Create ~

- Create file by creating new line with file name (including extension).

- Create directory by creating new line with directory name followed by `/`.

- Create file or directory inside nested directories by creating new line
  with text like 'dir/nested-dir/' or 'dir/nested-dir/file'.
  Always use `/` on any OS.

## Delete ~

- Delete file or directory by deleting **whole line** describing it.

- If `options.permanent_delete` is `true`, delete is permanent. Otherwise
  file system entry is moved to a module-specific trash directory
  (see |MiniFiles.config| for more details).

## Rename ~

- Rename file or directory by editing its name (not icon or path index to
  the left of it).

- With default mappings for `h` / `l` it might be not convenient to rename
  only part of an entry. You can adopt any of the following approaches:
    - Use different motions, like |$|, |e|, |f|, etc.
    - Go into Insert mode and navigate inside it.
    - Change mappings to be more suited for manipulation and not navigation.
      See "Mappings" section in |MiniFiles.config|.

- It is not needed to end directory name with `/`.

- Cyclic renames ("a" to "b" and "b" to "a") are not supported.

## Copy ~

- Copy file or directory by copying **whole line** describing it and pasting
  it inside buffer of target directory.

- Change of target path is allowed. Edit only entry name in target location
  (not icon or path index to the left of it).

- Copying inside same parent directory is supported only if target path has
  different name.

- Copying inside child directory is supported.

## Move ~

- Move file or directory by cutting **whole line** describing it and then
  pasting it inside target directory.

- Change of target path is allowed. Edit only entry name in target location
  (not icon or path index to the left of it).

- Moving directory inside itself is not supported.

------------------------------------------------------------------------------
                                                              *MiniFiles-events*
Events ~

To allow user customization and integration of external tools, certain |User|
autocommand events are triggered under common circumstances.

UI events ~

- `MiniFilesExplorerOpen` - just after explorer finishes opening.

- `MiniFilesExplorerClose` - just before explorer starts closing.

- `MiniFilesBufferCreate` - when buffer is created to show a particular
  directory. Triggered once per directory during one explorer session.
  Can be used to create buffer-local mappings.

- `MiniFilesBufferUpdate` - when directory buffer is updated with new content.
  Can be used for integrations to set |extmarks| with useful information.

- `MiniFilesWindowOpen` - when new window is opened. Can be used to set
  window-local settings (like border, 'winblend', etc.)

- `MiniFilesWindowUpdate` - when a window is updated. Triggers VERY frequently.
  At least after every cursor movement and "go in" / "go out" action.

Callback for each UI event will receive `data` field (see |nvim_create_autocmd()|)
with the following information:

- <buf_id> - index of target buffer.
- <win_id> - index of target window. Can be `nil`, like in
  `MiniFilesBufferCreate` and buffer's first `MiniFilesBufferUpdate` as
  they are triggered before window is created.

File action events ~

- `MiniFilesActionCreate` - after entry is successfully created.

- `MiniFilesActionDelete` - after entry is successfully deleted.

- `MiniFilesActionRename` - after entry is successfully renamed.

- `MiniFilesActionCopy` - after entry is successfully copied.

- `MiniFilesActionMove` - after entry is successfully moved.

Callback for each file action event will receive `data` field
(see |nvim_create_autocmd()|) with the following information:

- <action> - string with action name.
- <from> - full path of entry before action (`nil` for "create" action).
- <to> - full path of entry after action (`nil` for permanent "delete" action).

------------------------------------------------------------------------------
                                                            *MiniFiles-examples*
Common configuration examples ~

# Toggle explorer ~

Use a combination of |MiniFiles.open()| and |MiniFiles.close()|: >lua

  local minifiles_toggle = function(...)
    if not MiniFiles.close() then MiniFiles.open(...) end
  end
<
# Customize windows ~

For most of the common customizations using `MiniFilesWindowOpen` event
autocommand is the suggested approach: >lua

  vim.api.nvim_create_autocmd('User', {
    pattern = 'MiniFilesWindowOpen',
    callback = function(args)
      local win_id = args.data.win_id

      -- Customize window-local settings
      vim.wo[win_id].winblend = 50
      local config = vim.api.nvim_win_get_config(win_id)
      config.border, config.title_pos = 'double', 'right'
      vim.api.nvim_win_set_config(win_id, config)
    end,
  })
<
However, some parts (like window title and height) of window config are later
updated internally. Use `MiniFilesWindowUpdate` event for them: >lua

  vim.api.nvim_create_autocmd('User', {
    pattern = 'MiniFilesWindowUpdate',
    callback = function(args)
      local config = vim.api.nvim_win_get_config(args.data.win_id)

      -- Ensure fixed height
      config.height = 10

      -- Ensure title padding
      if config.title[#config.title][1] ~= ' ' then
        table.insert(config.title, { ' ', 'NormalFloat' })
      end
      if config.title[1][1] ~= ' ' then
        table.insert(config.title, 1, { ' ', 'NormalFloat' })
      end

      vim.api.nvim_win_set_config(args.data.win_id, config)
    end,
  })
<
# Customize icons ~

Use different directory icon (if you don't use |mini.icons|): >lua

  local my_prefix = function(fs_entry)
    if fs_entry.fs_type == 'directory' then
      -- NOTE: it is usually a good idea to use icon followed by space
      return ' ', 'MiniFilesDirectory'
    end
    return MiniFiles.default_prefix(fs_entry)
  end

  require('mini.files').setup({ content = { prefix = my_prefix } })
<
Show no icons: >lua

  require('mini.files').setup({ content = { prefix = function() end } })
<
# Create mapping to show/hide dot-files ~

Create an autocommand for `MiniFilesBufferCreate` event which calls
|MiniFiles.refresh()| with explicit `content.filter` functions: >lua

  local show_dotfiles = true

  local filter_show = function(fs_entry) return true end

  local filter_hide = function(fs_entry)
    return not vim.startswith(fs_entry.name, '.')
  end

  local toggle_dotfiles = function()
    show_dotfiles = not show_dotfiles
    local new_filter = show_dotfiles and filter_show or filter_hide
    MiniFiles.refresh({ content = { filter = new_filter } })
  end

  vim.api.nvim_create_autocmd('User', {
    pattern = 'MiniFilesBufferCreate',
    callback = function(args)
      local buf_id = args.data.buf_id
      -- Tweak left-hand side of mapping to your liking
      vim.keymap.set('n', 'g.', toggle_dotfiles, { buffer = buf_id })
    end,
  })
<
# Create mappings to modify target window via split ~

Combine |MiniFiles.get_explorer_state()| and |MiniFiles.set_target_window()|: >lua

  local map_split = function(buf_id, lhs, direction)
    local rhs = function()
      -- Make new window and set it as target
      local cur_target = MiniFiles.get_explorer_state().target_window
      local new_target = vim.api.nvim_win_call(cur_target, function()
        vim.cmd(direction .. ' split')
        return vim.api.nvim_get_current_win()
      end)

      MiniFiles.set_target_window(new_target)
    end

    -- Adding `desc` will result into `show_help` entries
    local desc = 'Split ' .. direction
    vim.keymap.set('n', lhs, rhs, { buffer = buf_id, desc = desc })
  end

  vim.api.nvim_create_autocmd('User', {
    pattern = 'MiniFilesBufferCreate',
    callback = function(args)
      local buf_id = args.data.buf_id
      -- Tweak keys to your liking
      map_split(buf_id, '<C-s>', 'belowright horizontal')
      map_split(buf_id, '<C-v>', 'belowright vertical')
    end,
  })
<
# Create mapping to set current working directory ~

Use |MiniFiles.get_fs_entry()| together with |vim.fs.dirname()|: >lua

  local files_set_cwd = function(path)
    -- Works only if cursor is on the valid file system entry
    local cur_entry_path = MiniFiles.get_fs_entry().path
    local cur_directory = vim.fs.dirname(cur_entry_path)
    vim.fn.chdir(cur_directory)
  end

  vim.api.nvim_create_autocmd('User', {
    pattern = 'MiniFilesBufferCreate',
    callback = function(args)
      vim.keymap.set('n', 'g~', files_set_cwd, { buffer = args.data.buf_id })
    end,
  })
<
# Set custom bookmarks ~

Use |MiniFiles.set_bookmark()| inside `MiniFilesExplorerOpen` event: >lua

  local set_mark = function(id, path, desc)
    MiniFiles.set_bookmark(id, path, { desc = desc })
  end
  vim.api.nvim_create_autocmd('User', {
    pattern = 'MiniFilesExplorerOpen',
    callback = function()
      set_mark('c', vim.fn.stdpath('config'), 'Config') -- path
      set_mark('w', vim.fn.getcwd, 'Working directory') -- callable
      set_mark('~', '~', 'Home directory')
    end,
  })
<
------------------------------------------------------------------------------
                                                             *MiniFiles.setup()*
                          `MiniFiles.setup`({config})
Module setup

Parameters ~
{config} `(table|nil)` Module config table. See |MiniFiles.config|.

Usage ~
>lua
  require('mini.files').setup() -- use default config
  -- OR
  require('mini.files').setup({}) -- replace {} with your config table
<
------------------------------------------------------------------------------
                                                              *MiniFiles.config*
                               `MiniFiles.config`
Module config

Default values:
>lua
  MiniFiles.config = {
    -- Customization of shown content
    content = {
      -- Predicate for which file system entries to show
      filter = nil,
      -- What prefix to show to the left of file system entry
      prefix = nil,
      -- In which order to show file system entries
      sort = nil,
    },

    -- Module mappings created only inside explorer.
    -- Use `''` (empty string) to not create one.
    mappings = {
      close       = 'q',
      go_in       = 'l',
      go_in_plus  = 'L',
      go_out      = 'h',
      go_out_plus = 'H',
      mark_goto   = "'",
      mark_set    = 'm',
      reset       = '<BS>',
      reveal_cwd  = '@',
      show_help   = 'g?',
      synchronize = '=',
      trim_left   = '<',
      trim_right  = '>',
    },

    -- General options
    options = {
      -- Whether to delete permanently or move into module-specific trash
      permanent_delete = true,
      -- Whether to use for editing directories
      use_as_default_explorer = true,
    },

    -- Customization of explorer windows
    windows = {
      -- Maximum number of windows to show side by side
      max_number = math.huge,
      -- Whether to show preview of file/directory under cursor
      preview = false,
      -- Width of focused window
      width_focus = 50,
      -- Width of non-focused window
      width_nofocus = 15,
      -- Width of preview window
      width_preview = 25,
    },
  }
<
# Content ~

`content.filter` is a predicate which takes file system entry data as input
and returns `true`-ish value if it should be shown.
Uses |MiniFiles.default_filter()| by default.

A file system entry data is a table with the following fields:
  - <fs_type> `(string)` - one of "file" or "directory".
  - <name> `(string)` - basename of an entry (including extension).
  - <path> `(string)` - full path of an entry.

`content.prefix` describes what text (prefix) to show to the left of file
system entry name (if any) and how to highlight it. It also takes file
system entry data as input and returns tuple of text and highlight group
name to be used to highlight prefix. See |MiniFiles-examples| for common
examples of how to use it.
Note: due to how lines are parsed to detect user edits for file system
manipulation, output of `content.prefix` should not contain `/` character.
Uses |MiniFiles.default_prefix()| by default.

`content.sort` describes in which order directory entries should be shown
in directory buffer. Takes as input and returns as output an array of file
system entry data. Note: technically, it can be used to filter and modify
its elements as well.
Uses |MiniFiles.default_sort()| by default.

# Mappings ~

`mappings` table can be used to customize buffer-local mappings created in each
directory buffer for built-in actions. Entry name corresponds to the function
name of the action, value - right hand side of the mapping. Supply empty
string to not create a particular mapping.

Default mappings are mostly designed for consistent navigation experience.
Here are some alternatives: >lua

  -- Close explorer after opening file with `l`
  mappings = {
    go_in = 'L',
    go_in_plus = 'l',
  }

  -- Don't use `h`/`l` for easier cursor navigation during text edit
  mappings = {
    go_in = 'L',
    go_in_plus = '',
    go_out = 'H',
    go_out_plus = '',
  }
<
# Options ~

`options.use_as_default_explorer` is a boolean indicating whether this module
should be used as a default file explorer for editing directories (instead of
|netrw| by default).

`options.permanent_delete` is a boolean indicating whether to perform
permanent delete or move into special trash directory.
This is a module-specific variant of "remove to trash".
Target directory is 'mini.files/trash' inside standard path of Neovim data
directory (execute `:echo stdpath('data')` to see its path in your case).

# Windows ~

`windows.max_number` is a maximum number of windows allowed to be open
simultaneously. For example, use value 1 to always show single window.
There is no constraint by default.

`windows.preview` is a boolean indicating whether to show preview of
file/directory under cursor. Note: it is shown with highlighting if Neovim
version is sufficient and file is small enough (less than 1K bytes per line
or 1M bytes in total).

`windows.width_focus` and `windows.width_nofocus` are number of columns used
as `width` for focused and non-focused windows respectively.

------------------------------------------------------------------------------
                                                              *MiniFiles.open()*
                 `MiniFiles.open`({path}, {use_latest}, {opts})
Open file explorer

Common ways to use this function: >lua

  -- Open current working directory in a last used state
  MiniFiles.open()

  -- Fresh explorer in current working directory
  MiniFiles.open(nil, false)

  -- Open directory of current file (in last used state) focused on the file
  MiniFiles.open(vim.api.nvim_buf_get_name(0))

  -- Fresh explorer in directory of current file
  MiniFiles.open(vim.api.nvim_buf_get_name(0), false)

  -- Open last used `path` (per tabpage)
  -- Current working directory for the first time
  MiniFiles.open(MiniFiles.get_latest_path())
<
Parameters ~
{path} `(string|nil)` A valid file system path used as anchor.
  If it is a path to directory, used directly.
  If it is a path to file, its parent directory is used as anchor while
  explorer will focus on the supplied file.
  Default: path of |current-directory|.
{use_latest} `(boolean|nil)` Whether to load explorer state from history
  (based on the supplied anchor path). Default: `true`.
{opts} `(table|nil)` Table of options overriding |MiniFiles.config| and
  `vim.b.minifiles_config` for this particular explorer session.

------------------------------------------------------------------------------
                                                           *MiniFiles.refresh()*
                          `MiniFiles.refresh`({opts})
Refresh explorer

Notes:
- If in `opts` at least one of `content` entry is not `nil`, all directory
  buffers are forced to update.

Parameters ~
{opts} `(table|nil)` Table of options to update.

------------------------------------------------------------------------------
                                                       *MiniFiles.synchronize()*
                           `MiniFiles.synchronize`()
Synchronize explorer

- Parse user edits in directory buffers.
- Convert edits to file system actions and apply them after confirmation.
- Update all directory buffers with the most relevant file system information.
  Can be used without user edits to account for external file system changes.

------------------------------------------------------------------------------
                                                             *MiniFiles.reset()*
                              `MiniFiles.reset`()
Reset explorer

- Show single window focused on anchor directory (which was used as first
  argument for |MiniFiles.open()|).
- Reset all tracked directory cursors to point at first entry.

------------------------------------------------------------------------------
                                                             *MiniFiles.close()*
                              `MiniFiles.close`()
Close explorer

Return ~
`(boolean|nil)` Whether closing was done or `nil` if there was nothing to close.

------------------------------------------------------------------------------
                                                             *MiniFiles.go_in()*
                           `MiniFiles.go_in`({opts})
Go in entry under cursor

Depends on entry under cursor:
- If directory, focus on it in the window to the right.
- If file, open it in the window which was current during |MiniFiles.open()|.
  Explorer is not closed after that.

Parameters ~
{opts} `(table|nil)` Options. Possible fields:
  - <close_on_file> `(boolean)` - whether to close explorer after going
    inside a file. Powers the `go_in_plus` mapping.
    Default: `false`.

------------------------------------------------------------------------------
                                                            *MiniFiles.go_out()*
                              `MiniFiles.go_out`()
Go out to parent directory

- Focus on window to the left showing parent of current directory.

------------------------------------------------------------------------------
                                                         *MiniFiles.trim_left()*
                            `MiniFiles.trim_left`()
Trim left part of branch

- Remove all branch paths to the left of currently focused one. This also
  results into current window becoming the most left one.

------------------------------------------------------------------------------
                                                        *MiniFiles.trim_right()*
                            `MiniFiles.trim_right`()
Trim right part of branch

- Remove all branch paths to the right of currently focused one. This also
  results into current window becoming the most right one.

------------------------------------------------------------------------------
                                                        *MiniFiles.reveal_cwd()*
                            `MiniFiles.reveal_cwd`()
Reveal current working directory

- Prepend branch with parent paths until current working directory is reached.
  Do nothing if not inside it.

------------------------------------------------------------------------------
                                                         *MiniFiles.show_help()*
                            `MiniFiles.show_help`()
Show help window

- Open window with helpful information about currently shown explorer and
  focus on it. To close it, press `q`.

------------------------------------------------------------------------------
                                                      *MiniFiles.get_fs_entry()*
                   `MiniFiles.get_fs_entry`({buf_id}, {line})
Get file system entry data

Parameters ~
{buf_id} `(number|nil)` Buffer identifier of valid directory buffer.
  Default: current buffer.
{line} `(number|nil)` Line number of entry for which to return information.
  Default: cursor line.

Return ~
`(table|nil)` Table of file system entry data with the following fields:
  - <fs_type> `(string)` - one of "file" or "directory".
  - <name> `(string)` - basename of an entry (including extension).
  - <path> `(string)` - full path of an entry.

Returns `nil` if there is no proper file system entry path at the line.

------------------------------------------------------------------------------
                                                *MiniFiles.get_explorer_state()*
                        `MiniFiles.get_explorer_state`()
Get state of active explorer

Return ~
`(table|nil)` Table with explorer state data or `nil` if no active explorer.
  State data is a table with the following fields:
  - <anchor> `(string)` - anchor directory path (see |MiniFiles.open()|).
  - <bookmarks> `(table)` - map from bookmark id (single character) to its data:
    table with <path> and <desc> fields (see |MiniFiles.set_bookmark()|).
  - <branch> `(table)` - array of nested paths for currently opened branch.
  - <depth_focus> `(number)` - an index in <branch> for currently focused path.
  - <target_window> `(number)` - identifier of target window.
  - <windows> `(table)` - array with data about currently opened windows.
    Each element is a table with <win_id> (window identifier) and <path> (path
    shown in the window) fields.

See also ~
- |MiniFiles.set_bookmark()|
- |MiniFiles.set_branch()|
- |MiniFiles.set_target_window()|

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                                                 *MiniFiles.get_target_window()*
                        `MiniFiles.get_target_window`()
Get target window

Deprecated. Use |MiniFiles.get_explorer_state()|.

------------------------------------------------------------------------------
                                                 *MiniFiles.set_target_window()*
                    `MiniFiles.set_target_window`({win_id})
Set target window

Parameters ~
{win_id} `(number)` Window identifier inside which file will be opened.

------------------------------------------------------------------------------
                                                        *MiniFiles.set_branch()*
                    `MiniFiles.set_branch`({branch}, {opts})
Set branch

Set which paths to display. Preview (if enabled) is applied afterwards.

Parameters ~
{branch} `(table)` Array of strings representing actually present on disk paths.
  Each consecutive pair should represent direct parent-child paths.
  Should contain at least one directory path.
  May end with file path (will be previwed).
  Relative paths are resolved using |current-directory|.
{opts} `(table|nil)` Options. Possible fields:
  - <depth_focus> `(number)` - an index in `branch` for path to focus. Will
    be normalized to fit inside `branch`. Default: index of deepest directory.

See also ~
|MiniFiles.get_explorer_state()|

------------------------------------------------------------------------------
                                                      *MiniFiles.set_bookmark()*
                 `MiniFiles.set_bookmark`({id}, {path}, {opts})
Set bookmark

Parameters ~
{id} `(string)` Single character bookmark id.
{path} `(string|function)` Path of a present on disk directory to set as
  a bookmark's path. If callable, should return such path.
{opts} `(table|nil)` Options. Possible fields:
  - <desc> `(string)` - bookmark description (used in help window).

------------------------------------------------------------------------------
                                                   *MiniFiles.get_latest_path()*
                         `MiniFiles.get_latest_path`()
Get latest used anchor path

Note: if latest used `path` argument for |MiniFiles.open()| was for file,
this will return its parent (as it was used as anchor path).

------------------------------------------------------------------------------
                                                    *MiniFiles.default_filter()*
                     `MiniFiles.default_filter`({fs_entry})
Default filter of file system entries

Currently does not filter anything out.

Parameters ~
{fs_entry} `(table)` Table with the following fields:
  - <fs_type> `(string)` - one of "file" or "directory".
  - <name> `(string)` - basename of an entry (including extension).
  - <path> `(string)` - full path of an entry.

Return ~
`(boolean)` Always `true`.

------------------------------------------------------------------------------
                                                    *MiniFiles.default_prefix()*
                     `MiniFiles.default_prefix`({fs_entry})
Default prefix of file system entries

- If |MiniIcons| is set up, use |MiniIcons.get()| for "directory"/"file" category.
- Otherwise:
    - For directory return fixed icon and "MiniFilesDirectory" group name.
    - For file try to use `get_icon()` from 'nvim-tree/nvim-web-devicons'.
      If missing, return fixed icon and 'MiniFilesFile' group name.

Parameters ~
{fs_entry} `(table)` Table with the following fields:
  - <fs_type> `(string)` - one of "file" or "directory".
  - <name> `(string)` - basename of an entry (including extension).
  - <path> `(string)` - full path of an entry.

Return ~
`(...)` Icon and highlight group name. For more details, see |MiniFiles.config|
  and |MiniFiles-examples|.

------------------------------------------------------------------------------
                                                      *MiniFiles.default_sort()*
                     `MiniFiles.default_sort`({fs_entries})
Default sort of file system entries

Sort directories and files separately (alphabetically ignoring case) and
put directories first.

Parameters ~
{fs_entries} `(table)` Array of file system entry data.
  Each one is a table with the following fields:
  - <fs_type> `(string)` - one of "file" or "directory".
  - <name> `(string)` - basename of an entry (including extension).
  - <path> `(string)` - full path of an entry.

Return ~
`(table)` Sorted array of file system entries.


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