refactor single file

lua/core/nvimtree.lua

@@ -0,0 +1,87 @@
+-- --if not package.loaded['nvim-tree.view'] then
+-- --  return
+-- --end
+--
+local M = {}
+local status_ok, nvim_tree_config = pcall(require, "nvim-tree.config")
+if not status_ok then
+  return
+end
+--
+M.setup = function()
+  local g = vim.g
+
+  vim.o.termguicolors = true
+
+  g.nvim_tree_side = "left"
+  g.nvim_tree_width = 30
+  g.nvim_tree_ignore = { ".git", "node_modules", ".cache" }
+  g.nvim_tree_auto_open = 1
+  g.nvim_tree_auto_close = O.auto_close_tree
+  g.nvim_tree_quit_on_open = 0
+  g.nvim_tree_follow = 1
+  g.nvim_tree_indent_markers = 1
+  g.nvim_tree_hide_dotfiles = 1
+  g.nvim_tree_git_hl = 1
+  g.nvim_tree_root_folder_modifier = ":t"
+  g.nvim_tree_tab_open = 0
+  g.nvim_tree_allow_resize = 1
+  g.nvim_tree_lsp_diagnostics = 1
+  g.nvim_tree_auto_ignore_ft = { "startify", "dashboard" }
+
+  g.nvim_tree_show_icons = {
+    git = 1,
+    folders = 1,
+    files = 1,
+    folder_arrows = 1,
+  }
+
+  vim.g.nvim_tree_icons = {
+    default = "",
+    symlink = "",
+    git = {
+      unstaged = "",
+      staged = "S",
+      unmerged = "",
+      renamed = "➜",
+      deleted = "",
+      untracked = "U",
+      ignored = "◌",
+    },
+    folder = {
+      default = "",
+      open = "",
+      empty = "",
+      empty_open = "",
+      symlink = "",
+    },
+  }
+  local tree_cb = nvim_tree_config.nvim_tree_callback
+
+  vim.g.nvim_tree_bindings = {
+    { key = { "l", "<CR>", "o" }, cb = tree_cb "edit" },
+    { key = "h", cb = tree_cb "close_node" },
+    { key = "v", cb = tree_cb "vsplit" },
+  }
+end
+
+local view_status_ok, view = pcall(require, "nvim-tree.view")
+if not view_status_ok then
+  return
+end
+M.toggle_tree = function()
+  if view.win_open() then
+    require("nvim-tree").close()
+    if package.loaded["bufferline.state"] then
+      require("bufferline.state").set_offset(0)
+    end
+  else
+    if package.loaded["bufferline.state"] then
+      -- require'bufferline.state'.set_offset(31, 'File Explorer')
+      require("bufferline.state").set_offset(31, "")
+    end
+    require("nvim-tree").find_file(true)
+  end
+end
+--
+return M