chore/remove globals (#1279)

* remove renderer globals: nvim_tree_add_trailing nvim_tree_highlight_opened_files nvim_tree_root_folder_modifier nvim_tree_special_files

* remove renderer globals: nvim_tree_icon_padding

* remove renderer globals: nvim_tree_symlink_arrow

* remove renderer globals: nvim_tree_show_icons, nvim_tree_show_icons

* remove renderer globals: nvim_tree_git_hl

* remove renderer globals: nvim_tree_group_empty

* remove renderer globals: respect_buf_cwd

* remove renderer globals: nvim_tree_create_in_closed_folder

* remove globals: consistency in legacy checks

* remove renderer globals: nvim_tree_special_files

* renderer.icons.symbols -> glyphs

lua/nvim-tree.lua

@@ -344,6 +344,7 @@ end
 
 local DEFAULT_OPTS = { -- BEGIN_DEFAULT_OPTS
   auto_reload_on_write = true,
+  create_in_closed_folder = false,
   disable_netrw = false,
   hijack_cursor = false,
   hijack_netrw = true,
@@ -355,6 +356,7 @@ local DEFAULT_OPTS = { -- BEGIN_DEFAULT_OPTS
   sort_by = "name",
   update_cwd = false,
   reload_on_bufenter = false,
+  respect_buf_cwd = false,
   view = {
     width = 30,
     height = 30,
@@ -372,6 +374,11 @@ local DEFAULT_OPTS = { -- BEGIN_DEFAULT_OPTS
     },
   },
   renderer = {
+    add_trailing = false,
+    group_empty = false,
+    highlight_git = false,
+    highlight_opened_files = "none",
+    root_folder_modifier = ":~",
     indent_markers = {
       enable = false,
       icons = {
@@ -383,7 +390,39 @@ local DEFAULT_OPTS = { -- BEGIN_DEFAULT_OPTS
     icons = {
       webdev_colors = true,
       git_placement = "before",
+      padding = " ",
+      symlink_arrow = " ➛ ",
+      show = {
+        file = true,
+        folder = true,
+        folder_arrow = true,
+        git = true,
+      },
+      glyphs = {
+        default = "",
+        symlink = "",
+        folder = {
+          arrow_closed = "",
+          arrow_open = "",
+          default = "",
+          open = "",
+          empty = "",
+          empty_open = "",
+          symlink = "",
+          symlink_open = "",
+        },
+        git = {
+          unstaged = "✗",
+          staged = "✓",
+          unmerged = "",
+          renamed = "➜",
+          untracked = "★",
+          deleted = "",
+          ignored = "◌",
+        },
+      },
     },
+    special_files = { "Cargo.toml", "Makefile", "README.md", "readme.md" },
   },
   hijack_directories = {
     enable = true,
@@ -548,6 +587,9 @@ function M.setup(conf)
   require("nvim-tree.lib").setup(opts)
   require("nvim-tree.renderer").setup(opts)
   require("nvim-tree.live-filter").setup(opts)
+  if M.config.renderer.icons.show.file and pcall(require, "nvim-web-devicons") then
+    require("nvim-web-devicons").setup()
+  end
 
   setup_vim_commands()
   setup_autocommands(opts)