add plugin nvim-tree.lua

lua/config/nvim-tree.lua

@@ -0,0 +1,62 @@
+local nvim_tree = require("nvim-tree")
+
+nvim_tree.setup({
+	disable_netrw = true,
+	hijack_netrw = true,
+	open_on_setup = false,
+	ignore_ft_on_setup = {},
+	auto_close = false,
+	open_on_tab = false,
+	hijack_cursor = false,
+	update_cwd = false,
+	update_to_buf_dir = {
+		enable = true,
+		auto_open = true,
+	},
+	diagnostics = {
+		enable = false,
+		icons = {
+			hint = "",
+			info = "",
+			warning = "",
+			error = "",
+		},
+	},
+	update_focused_file = {
+		enable = false,
+		update_cwd = false,
+		ignore_list = {},
+	},
+	system_open = {
+		cmd = nil,
+		args = {},
+	},
+	filters = {
+		dotfiles = false,
+		custom = {},
+	},
+	git = {
+		enable = true,
+		ignore = true,
+		timeout = 500,
+	},
+	view = {
+		width = 40,
+		height = 30,
+		hide_root_folder = false,
+		side = "left",
+		auto_resize = false,
+		mappings = {
+			custom_only = false,
+			list = {},
+		},
+		number = false,
+		relativenumber = false,
+		signcolumn = "yes",
+	},
+	trash = {
+		cmd = "trash",
+		require_confirm = true,
+	},
+})
+vim.api.nvim_set_keymap("n", "<space>s", "<cmd>NvimTreeToggle<CR>", { noremap = true, silent = true })

lua/plugins.lua

@@ -354,6 +354,14 @@ require("packer").startup({
 
     -- show and trim trailing whitespaces
     use {'jdhao/whitespace.nvim', event = 'VimEnter'}
+
+    -- file explorer
+    use {
+      'kyazdani42/nvim-tree.lua',
+      requires = { 'kyazdani42/nvim-web-devicons' },
+      keys = {{'n', '<space>s'}, },
+      config = [[require('config.nvim-tree')]]
+    }
   end,
   config = {
     max_jobs = 16,