chore: move code around

- deprecate config.lua file
- move icon config code into renderer/icons
- move file opening config in open-file.lua

lua/nvim-tree/renderer/icons.lua

@@ -0,0 +1,61 @@
+local M = {}
+
+function M.get_config()
+  local show_icons = vim.g.nvim_tree_show_icons or { git = 1, folders = 1, files = 1, folder_arrows = 1 }
+  local icons = {
+    default = "",
+    symlink = "",
+    git_icons = {
+      unstaged = "✗",
+      staged = "✓",
+      unmerged = "",
+      renamed = "➜",
+      untracked = "★",
+      deleted = "",
+      ignored = "◌"
+    },
+    folder_icons = {
+      arrow_closed = "",
+      arrow_open = "",
+      default = "",
+      open = "",
+      empty = "",
+      empty_open = "",
+      symlink = "",
+      symlink_open = "",
+    },
+  }
+
+  local user_icons = vim.g.nvim_tree_icons
+  if user_icons then
+    if user_icons.default then
+      icons.default = user_icons.default
+      icons.symlink = user_icons.default
+    end
+    if user_icons.symlink then
+      icons.symlink = user_icons.symlink
+    end
+    for key, val in pairs(user_icons.git or {}) do
+      if icons.git_icons[key] then
+        icons.git_icons[key] = val
+      end
+    end
+    for key, val in pairs(user_icons.folder or {}) do
+      if icons.folder_icons[key] then
+        icons.folder_icons[key] = val
+      end
+    end
+  end
+
+  local has_devicons = pcall(require, 'nvim-web-devicons')
+  return {
+    show_file_icon = show_icons.files == 1,
+    show_folder_icon = show_icons.folders == 1,
+    show_git_icon = show_icons.git == 1,
+    show_folder_arrows = show_icons.folder_arrows == 1,
+    has_devicons = has_devicons,
+    icons = icons
+  }
+end
+
+return M

lua/nvim-tree/renderer/init.lua

@@ -3,6 +3,7 @@ local utils = require'nvim-tree.utils'
 local view = require'nvim-tree.view'
 local _padding = require'nvim-tree.renderer.padding'
 local _help = require'nvim-tree.renderer.help'
+local _icons = require'nvim-tree.renderer.icons'
 
 local api = vim.api
 
@@ -11,7 +12,7 @@ local hl = {}
 local index = 0
 local namespace_id = api.nvim_create_namespace('NvimTreeHighlights')
 
-local icon_state = config.get_icon_state()
+local icon_state = _icons.get_config()
 
 local should_hl_opened_files = (vim.g.nvim_tree_highlight_opened_files or 0) ~= 0
 
@@ -382,12 +383,12 @@ function M.draw()
   lines = {}
   hl = {}
 
+  icon_state = _icons.get_config()
   local show_arrows =
     vim.g.nvim_tree_indent_markers ~= 1
     and icon_state.show_folder_icon
     and icon_state.show_folder_arrows
   _padding.reload_padding_function()
-  icon_state = config.get_icon_state()
   update_draw_data(TreeExplorer, show_arrows and 2 or 0, {})
 
   if view.is_help_ui() then

lua/nvim-tree/renderer/padding.lua

@@ -33,7 +33,7 @@ local function get_padding_indent_markers(depth, idx, tree, _, markers)
 end
 
 function M.reload_padding_function()
-  local icon_state = require'nvim-tree.config'.get_icon_state()
+  local icon_state = require'nvim-tree.renderer.icons'.get_config()
 
   if icon_state.show_folder_icon and icon_state.show_folder_arrows then
     M.get_padding = get_padding_arrows(icon_state)