dotfiles/nvim/lua/nvimtree.lua

require 'nvim-tree'.setup {
  renderer                           = {
    icons = {
      padding = ' ',
      symlink_arrow = ' >> ',
      show = {
        git = true,
        folder = true,
        file = true,
        folder_arrow = false
      },
      glyphs = {
        default = "",
        symlink = "",
        git = {
          unstaged = "✗",
          staged = "✓",
          unmerged = "",
          renamed = "➜",
          untracked = "★",
          deleted = "",
          ignored = "◌"
        },
        folder = {
          arrow_open = "",
          arrow_closed = "",
          default = "",
          open = "",
          empty = "",
          empty_open = "",
          symlink = "",
          symlink_open = "",
        }
      },
    },
    add_trailing = true,
    highlight_opened_files = "all",
    root_folder_modifier = ':~',
    special_files = {
      'README.md',
      'Makefile',
      'MAKEFILE'
    },
    highlight_git = true,
    indent_markers = {
      enable = true,
      icons = {
        corner = "└",
        edge = "│  ",
        none = "  ",
      }
    }
  },
  respect_buf_cwd                    = true,
  disable_netrw                      = true,
  hijack_netrw                       = true,
  open_on_tab                        = false,
  hijack_cursor                      = true,
  auto_reload_on_write               = true,
  hijack_unnamed_buffer_when_opening = true,
  sync_root_with_cwd                 = true,
  diagnostics                        = {
    enable = true,
    icons = {
      hint = "",
      info = "",
      warning = "",
      error = "",
    }
  },
  update_focused_file                = {
    enable      = true,
    update_cwd  = true,
    ignore_list = {}
  },
  system_open                        = {
    cmd  = nil,
    args = {}
  },
  filters                            = {
    dotfiles = false,
    custom = {}
  },
  git                                = {
    ignore = false,
    enable = true,
    timeout = 500,
  },
  actions                            = {
    open_file = {
      resize_window = true,
      window_picker = {
        exclude = {
          filetype = { "notify", "packer", "qf", "diff", "fugitive", "fugitiveblame" },
          buftype = { "nofile", "terminal", "help" }
        }
      }
    }
  },
  view                               = {
    width = 35,
    hide_root_folder = false,
    side = 'left',
    mappings = {
      custom_only = false,
      list = {}
    }
  }
}
local function open_nvim_tree(data)
  local directory = vim.fn.isdirectory(data.file) == 1
  if not directory then
    return
  end

  vim.cmd.enew()
  vim.cmd.bw(data.buf)

  vim.cmd.cd(data.file)
  require('nvim-tree.api').tree.open()
end

vim.api.nvim_create_autocmd({ 'VimEnter' }, { callback = open_nvim_tree })