-- If you want icons for diagnostic errors, you'll need to define them somewhere:
vim.fn.sign_define('DiagnosticSignError', { text = ' ', texthl = 'DiagnosticSignError' })
vim.fn.sign_define('DiagnosticSignWarn', { text = ' ', texthl = 'DiagnosticSignWarn' })
vim.fn.sign_define('DiagnosticSignInfo', { text = ' ', texthl = 'DiagnosticSignInfo' })
vim.fn.sign_define('DiagnosticSignHint', { text = '', texthl = 'DiagnosticSignHint' })

require('neo-tree').setup({
  window = { -- see https://github.com/MunifTanjim/nui.nvim/tree/main/lua/nui/popup for
    -- possible options. These can also be functions that return these options.
    position = 'float', -- left, right, float, current
    width = 40, -- applies to left and right positions
    popup = { -- settings that apply to float position only
      size = {
        height = '80%',
        width = '50%',
      },
      position = '50%', -- 50% means center it
      -- you can also specify border here, if you want a different setting from
      -- the global popup_border_style.
    },
    -- Mappings for tree window. See `:h nep-tree-mappings` for a list of built-in commands.
    -- You can also create your own commands by providing a function instead of a string.
    mappings = {
      ['<space>'] = 'toggle_node',
      ['<2-LeftMouse>'] = 'open',
      ['<cr>'] = 'open',
      ['s'] = 'open_split',
      ['v'] = 'open_vsplit',
      ['C'] = 'close_node',
      ['z'] = 'close_all_nodes',
      ['R'] = 'refresh',
      ['a'] = 'add',
      ['A'] = 'add_directory',
      ['d'] = 'delete',
      ['r'] = 'rename',
      ['y'] = 'copy_to_clipboard',
      ['x'] = 'cut_to_clipboard',
      ['p'] = 'paste_from_clipboard',
      ['c'] = 'copy', -- takes text input for destination
      ['m'] = 'move', -- takes text input for destination
      ['q'] = 'close_window',
    },
  },
  filesystem = {
    filtered_items = {
      hide_dotfiles = false,
      hide_gitignored = false,
    },
  },
})
vim.keymap.set('n', '\\', '<cmd>Neotree reveal<cr>')