my-nvim-setup/lua/nvimTree.lua

local g = vim.g

vim.o.termguicolors = true

g.nvim_tree_side = "left"
g.nvim_tree_width = 25
g.nvim_tree_ignore = {".git", "node_modules", ".cache"}
g.nvim_tree_auto_open = 0
g.nvim_tree_auto_close = 0
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_show_icons = {
    git = 1,
    folders = 1,
    files = 1
}

g.nvim_tree_icons = {
    default = "",
    symlink = "",
    git = {
        unstaged = "✗",
        staged = "✓",
        unmerged = "",
        renamed = "➜",
        untracked = "★",
        deleted = "",
        ignored = "◌"
    },
    folder = {
        default = "",
        open = "",
        symlink = "",
        empty = "",
        empty_open = "",
        symlink_open = ""
    }
}
-- Mappings for nvimtree

vim.api.nvim_set_keymap(
    "n",
    "<C-n>",
    ":NvimTreeToggle<CR>",
    {
        noremap = true,
        silent = true
    }
)

local tree_cb = require "nvim-tree.config".nvim_tree_callback

g.nvim_tree_bindings = {
    ["u"] = ":lua require'some_module'.some_function()<cr>",
    -- default mappings
    ["<CR>"] = tree_cb("edit"),
    ["o"] = tree_cb("edit"),
    ["<2-LeftMouse>"] = tree_cb("edit"),
    ["<2-RightMouse>"] = tree_cb("cd"),
    ["<C-]>"] = tree_cb("cd"),
    ["<C-v>"] = tree_cb("vsplit"),
    ["<C-x>"] = tree_cb("split"),
    ["<C-t>"] = tree_cb("tabnew"),
    ["<"] = tree_cb("prev_sibling"),
    [">"] = tree_cb("next_sibling"),
    ["<BS>"] = tree_cb("close_node"),
    ["<S-CR>"] = tree_cb("close_node"),
    ["<Tab>"] = tree_cb("preview"),
    ["I"] = tree_cb("toggle_ignored"),
    ["H"] = tree_cb("toggle_dotfiles"),
    ["R"] = tree_cb("refresh"),
    ["a"] = tree_cb("create"),
    ["d"] = tree_cb("remove"),
    ["r"] = tree_cb("rename"),
    ["<C-r>"] = tree_cb("full_rename"),
    ["x"] = tree_cb("cut"),
    ["c"] = tree_cb("copy"),
    ["p"] = tree_cb("paste"),
    ["y"] = tree_cb("copy_name"),
    ["Y"] = tree_cb("copy_path"),
    ["gy"] = tree_cb("copy_absolute_path"),
    ["[c"] = tree_cb("prev_git_item"),
    ["]c"] = tree_cb("next_git_item"),
    ["-"] = tree_cb("dir_up"),
    ["q"] = tree_cb("close")
}