chore: remove non-functional sides bottom/top

doc/nvim-tree-lua.txt

@@ -185,7 +185,6 @@ Subsequent calls to setup will replace the previous configuration.
         adaptive_size = false,
         centralize_selection = false,
         width = 30,
-        height = 30,
         hide_root_folder = false,
         side = "left",
         preserve_window_proportions = false,
@@ -632,7 +631,6 @@ Window / buffer setup.
 
     *nvim-tree.view.adaptive_size*
     Resize the window on each draw based on the longest line.
-    Only works when |nvim-tree.view.side| is `left` or `right`.
       Type: `boolean`, Default: `false`
 
     *nvim-tree.view.centralize_selection*
@@ -647,18 +645,10 @@ Window / buffer setup.
     *nvim-tree.view.width*
     Width of the window, can be a `%` string, a number representing columns or
     a function.
-    Only works with `side` is `left` or `right`.
-      Type: `string | number | function`, Default: `30`
-
-    *nvim-tree.view.height*
-    Height of the window, can be `%` string or a number representing rows or a
-    function.
-    Only works with  `side` is `top` or `bottom`
       Type: `string | number | function`, Default: `30`
 
     *nvim-tree.view.side*
-    Side of the tree, can be `"left"`, `"right"`, `"bottom"`, `"top"`.
-    Note that bottom/top are not working correctly yet.
+    Side of the tree, can be `"left"`, `"right"`.
       Type: `string`, Default: `"left"`
 
     *nvim-tree.view.preserve_window_proportions*

lua/nvim-tree.lua

@@ -445,7 +445,6 @@ local DEFAULT_OPTS = { -- BEGIN_DEFAULT_OPTS
     adaptive_size = false,
     centralize_selection = false,
     width = 30,
-    height = 30,
     hide_root_folder = false,
     side = "left",
     preserve_window_proportions = false,
@@ -638,7 +637,6 @@ local FIELD_SKIP_VALIDATE = {
 
 local FIELD_OVERRIDE_TYPECHECK = {
   width = { string = true, ["function"] = true, number = true },
-  height = { string = true, ["function"] = true, number = true },
   remove_keymaps = { boolean = true, table = true },
   on_attach = { ["function"] = true, string = true },
   sort_by = { ["function"] = true, string = true },

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

@@ -7,20 +7,6 @@ local view = require "nvim-tree.view"
 
 local M = {}
 
-local function get_split_side()
-  local side = view.View.side
-  if side == "right" then
-    return "aboveleft"
-  end
-  if side == "left" then
-    return "belowright"
-  end
-  if side == "top" then
-    return "bot"
-  end
-  return "top"
-end
-
 local function get_user_input_char()
   local c = vim.fn.getchar()
   while type(c) ~= "number" do
@@ -193,12 +179,11 @@ local function open_in_new_window(filename, mode, win_ids)
     return
   end
   local do_split = mode == "split" or mode == "vsplit"
-  local split_side = get_split_side()
+  local split_side = (view.View.side == "right") and "aboveleft" or "belowright"
 
   -- Target is invalid or window does not exist in current tabpage: create new window
   if not target_winid or not vim.tbl_contains(win_ids, target_winid) then
-    local split_cmd = view.is_vertical() and "vsplit" or "split"
-    vim.cmd(split_side .. " " .. split_cmd)
+    vim.cmd(split_side .. " vsplit")
     target_winid = api.nvim_get_current_win()
     lib.target_winid = target_winid
 

lua/nvim-tree/view.lua

@@ -101,8 +101,7 @@ local function create_buffer(bufnr)
 end
 
 local function get_size()
-  local width_or_height = M.is_vertical() and "width" or "height"
-  local size = M.View[width_or_height]
+  local size = M.View.width
   if type(size) == "number" then
     return size
   elseif type(size) == "function" then
@@ -116,8 +115,6 @@ end
 local move_tbl = {
   left = "H",
   right = "L",
-  bottom = "J",
-  top = "K",
 }
 
 -- setup_tabpage sets up the initial state of a tab
@@ -239,8 +236,7 @@ local function grow()
 end
 
 function M.grow_from_content()
-  local is_left_or_right = M.View.side == "left" or M.View.side == "right"
-  if M.View.adaptive_size and is_left_or_right then
+  if M.View.adaptive_size then
     grow()
   end
 end
@@ -276,11 +272,7 @@ function M.resize(size)
   end
 
   local new_size = get_size()
-  if M.is_vertical() then
-    a.nvim_win_set_width(M.get_winnr(), new_size)
-  else
-    a.nvim_win_set_height(M.get_winnr(), new_size)
-  end
+  a.nvim_win_set_width(M.get_winnr(), new_size)
 
   events._dispatch_on_tree_resize(new_size)
 
@@ -353,10 +345,6 @@ function M.focus(winnr, open_if_closed)
   a.nvim_set_current_win(wnr)
 end
 
-function M.is_vertical()
-  return M.View.side == "left" or M.View.side == "right"
-end
-
 --- Restores the state of a NvimTree window if it was initialized before.
 function M.restore_tab_state()
   local tabpage = a.nvim_get_current_tabpage()
@@ -442,7 +430,7 @@ function M.setup(opts)
   local options = opts.view or {}
   M.View.adaptive_size = options.adaptive_size
   M.View.centralize_selection = options.centralize_selection
-  M.View.side = options.side
+  M.View.side = (options.side == "right") and "right" or "left"
   M.View.width = options.width
   M.View.height = options.height
   M.View.initial_width = get_size()