local tree_cb  = require('nvim-tree.config').nvim_tree_callback

require("nvim-tree").setup {
  auto_close = true,
  view = {
    width = "15%",
    side = "left",
    mappings = {
      custom_only = true,
      list = {
        { key = {"<CR>", "<2-LeftMouse>"}, cb = tree_cb("edit") },
        { key = "vs",                        cb = tree_cb("vsplit") },
        { key = "s",                        cb = tree_cb("split") },
        { key = "t",                        cb = tree_cb("tabnew") },
        { key = "<Tab>",                        cb = tree_cb("preview") },
        { key = "K",                            cb = tree_cb("first_sibling") },
        { key = "J",                            cb = tree_cb("last_sibling") },
        { key = "R",                            cb = tree_cb("refresh") },
        { key = "ma",                            cb = tree_cb("create") },
        { key = "md",                            cb = tree_cb("remove") },
        { key = "mm",                            cb = tree_cb("rename") },
        { key = "<C-r>",                        cb = tree_cb("full_rename") },
        { key = "mc",                            cb = ':lua require"nvim-tree".on_keypress("copy");require"nvim-tree".on_keypress("paste")<CR>' },
        { key = "?",                           cb = tree_cb("toggle_help") },
      }
    }
  }
}



-- Hide statusline in nvim-tree buffer/tabs.
-- vim.cmd('au BufEnter,BufWinEnter,WinEnter,CmdwinEnter * if bufname("%") == "NvimTree" | set laststatus=0 | else | set laststatus=2 | endif')