local tree_cb = require'nvim-tree.config'.nvim_tree_callback
require'nvim-tree'.setup {
    disable_netrw = true,
    hijack_netrw = true,
    --auto_close = false,
    filters = {
        dotfiles = false,
        custom = {}
    },
    git = {
        enable = true,
        ignore = false,
        timeout = 500,
    },
    update_focused_file = {
        -- enables the feature
        enable      = true,
        -- update the root directory of the tree to the one of the folder containing the file if the file is not under the current root directory
        -- only relevant when `update_focused_file.enable` is true
        update_cwd  = true,
        -- list of buffer names / filetypes that will not update the cwd if the file isn't found under the current root directory
        -- only relevant when `update_focused_file.update_cwd` is true and `update_focused_file.enable` is true
        ignore_list = {}
    },
    view = {
        mappings = {
            --custome_only= false,
            list = {
                -- ["<CR>"] = ":YourVimFunction()<cr>",
                -- ["u"] = ":lua require'some_module'.some_function()<cr>",
          
                -- default mappings
                {key="<CR>"           ,cb= tree_cb("edit")},
                {key="o"              ,cb= tree_cb("edit")},
                {key="l"              ,action="edit"},
                {key="<2-LeftMouse>"  ,cb= tree_cb("edit")},
                {key="<2-RightMouse>" ,cb= tree_cb("cd")},
                {key="<C->"          ,cb= tree_cb("cd")},
                {key="v"              ,cb= tree_cb("vsplit")},
                {key="s"              ,cb= tree_cb("split")},
                {key="<C-t>"          ,cb= tree_cb("tabnew")},
                {key="<"              ,cb= tree_cb("prev_sibling")},
                {key=">"              ,cb= tree_cb("next_sibling")},
                {key="<BS>"           ,cb= tree_cb("close_node")},
                {key="h"              ,action="close_node"},
                {key="<S-CR>"         ,cb= tree_cb("close_node")},
                {key="<Tab>"          ,cb= tree_cb("preview")},
                {key="I"              ,cb= tree_cb("toggle_ignored")},
                {key="H"              ,cb= tree_cb("toggle_dotfiles")},
                {key="R"              ,cb= tree_cb("refresh")},
                {key="a"              ,cb= tree_cb("create")},
                {key="d"              ,cb= tree_cb("remove")},
                {key="r"              ,cb= tree_cb("rename")},
                {key="<C-r>"          ,cb= tree_cb("full_rename")},
                {key="x"              ,cb= tree_cb("cut")},
                {key="c"              ,cb= tree_cb("copy")},
                {key="p"              ,cb= tree_cb("paste")},
                {key="[c"             ,cb= tree_cb("prev_git_item")},
                {key="c"             ,cb= tree_cb("next_git_item")},
                {key="-"              ,cb= tree_cb("dir_up")},
                {key="q"              ,cb= tree_cb("close")},
              }
        }
    }
}

vim.g.nvim_tree_indent_markers = 1 -- "0 by default, this option shows indent markers when folders are open
vim.g.nvim_tree_auto_ignore_ft = 'startify' --empty by default, don't auto open tree on specific filetypes.

vim.g.nvim_tree_icons = {
    default = '',
    symlink = '',
    git = {unstaged = "", staged = "✓", unmerged = "", renamed = "➜", untracked = ""},
    folder = {default = "", open = "", empty = "", empty_open = "", symlink = ""}
}