Removing drex in favor of nvim-tree

For vinegar-style directory navigation. It seems like nvim-tree has
gotten better at this since I last tried it, and I prefer nvim-tree over
drex.

lua/install-plugins.lua

@@ -435,13 +435,6 @@ return require('packer').startup(function(use)
       require('plugins.rest-nvim')
     end,
   }
-  use {
-    'theblob42/drex.nvim',
-    requires = 'kyazdani42/nvim-web-devicons',
-    config = function()
-      require('plugins.drex-nvim')
-    end,
-  }
   use {
     'norcalli/nvim-colorizer.lua',
     config = function()

lua/plugins/drex-nvim.lua

@@ -1,44 +0,0 @@
-local drex = require('drex')
-local elements = require('drex.elements')
-
--- open the home directory
-vim.keymap.set('n', '~', '<CMD>Drex ~<CR>', { desc = "Open home [~] directory in drex" })
--- open parent DREX buffer and focus current file
-vim.keymap.set('n', '-', function()
-	local path = vim.fn.expand('%:p')
-	if path == '' then
-		drex.open_directory_buffer() -- open at cwd
-	else
-		drex.open_directory_buffer(vim.fn.fnamemodify(path, ':h'))
-		elements.focus_element(0, path)
-	end
-end, { desc = "Open current directory in drex" })
-
-require('drex.config').configure({
-	hijack_netrw = true,
-	keybindings = {
-		['n'] = {
-			['~'] = '<CMD>Drex ~<CR>',
-			['-'] = '<CMD>lua require("drex.elements").open_parent_directory()<CR>',
-			['.'] = function()
-				local element = require('drex.utils').get_element(vim.api.nvim_get_current_line())
-				local left = vim.api.nvim_replace_termcodes('<left>', true, false, true)
-				vim.api.nvim_feedkeys(': ' .. element .. string.rep(left, #element + 1), 'n', true)
-			end,
-			['<CR>'] = function()
-				local line = vim.api.nvim_get_current_line()
-
-				if require('drex.utils').is_open_directory(line) then
-					elements.collapse_directory()
-				else
-					elements.expand_element()
-				end
-			end,
-		}
-	},
-	on_enter = function()
-		vim.opt_local.number = false
-		vim.opt_local.relativenumber = false
-		vim.opt_local.signcolumn = 'no'
-	end,
-})

lua/plugins/nvim-tree.lua

@@ -1,9 +1,9 @@
 require('nvim-tree').setup({
-  -- hijack_netrw = true,
+  hijack_netrw = true,
-  -- hijack_directories = {
+  hijack_directories = {
-  --   enable = true,
+    enable = true,
-  --   auto_open = true,
+    auto_open = true,
-  -- },
+  },
   view = {
     mappings = {
       list = {
@@ -17,15 +17,14 @@ require('nvim-tree').setup({
   },
 })
 
--- local function toggle_replace()
+local function toggle_replace()
---   local view = require('nvim-tree.view')
+  local view = require("nvim-tree.view")
---   if view.is_visible() then
+  if view.is_visible() then
---       view.close()
+      view.close()
---   else
+  else
---     require('nvim-tree').open_replacing_current_buffer()
+    require("nvim-tree").open_replacing_current_buffer()
---   end
+  end
--- end
+end
 
--- swapping this out with drex.nvim instead
+vim.keymap.set('n', '-', function() toggle_replace() end, { noremap = true, silent = true })
--- vim.keymap.set('n', '-', function() toggle_replace() end, { noremap = true, silent = true })
 vim.keymap.set('n', '<leader>n', [[<Cmd>NvimTreeToggle<CR>]], { noremap = true, silent = true, desc = "Toggle [N]vim Tree" })