added nvim-tree and setup keymap to toggle file-browser

init.lua

@@ -41,6 +41,13 @@ P.S. You can delete this when you're done too. It's your config now :)
 vim.g.mapleader = ' '
 vim.g.maplocalleader = ' '
 
+-- disable netrw at the very start of your init.lua
+-- needed for nvim-tree
+vim.g.loaded_netrw = 1
+vim.g.loaded_netrwPlugin = 1
+
+-- vim.o.guifont = 'Inconsolata LGC Nerd Font'
+
 -- Install package manager
 --    https://github.com/folke/lazy.nvim
 --    `:help lazy.nvim.txt` for more info
@@ -513,7 +520,7 @@ cmp.setup {
 }
 
 -- custom settings
-pcall(require('custom.options'))
+pcall(require('custom'))
 
 -- The line beneath this is called `modeline`. See `:help modeline`
 -- vim: ts=2 sts=2 sw=2 et

lua/custom/init.lua

@@ -0,0 +1,2 @@
+require 'custom.keymaps'
+require 'custom.options'

lua/custom/keymaps/init.lua

@@ -0,0 +1,12 @@
+-- toggle nvim tree
+vim.keymap.set(
+  'n',
+  '<C-b>',
+  require('nvim-tree.api').tree.toggle,
+  {
+    desc = 'nvim-tree: Toggle tree',
+    noremap = true,
+    silent = true,
+    nowait = true
+  }
+)

lua/custom/plugins/nvim-tree.lua

@@ -0,0 +1,39 @@
+-- NVIM tree
+-- a file explore plugin
+
+local function on_nvim_tree_attach(bufnr)
+	local api = require("nvim-tree.api")
+
+	local function opts(desc)
+		return { desc = "nvim-tree: " .. desc, buffer = bufnr, noremap = true, silent = true, nowait = true }
+	end
+
+	-- default mappings
+	api.config.mappings.default_on_attach(bufnr)
+
+	-- custom mappings
+	-- vim.keymap.set('n', '<C-t>', api.tree.change_root_to_parent,        opts('Up'))
+	-- vim.keymap.set('n', '?',     api.tree.toggle_help,                  opts('Help'))
+	vim.keymap.set('n', '<C-b>', api.tree.toggle, opts('Toggle tree'))
+end
+
+return {
+	"nvim-tree/nvim-tree.lua",
+	version = "*",
+	--
+	-- after = "nvim-web-devicons",
+	-- requires = "nvim-tree/nvim-web-devicons",
+	dependencies = {
+		"nvim-tree/nvim-web-devicons",
+	},
+	config = function()
+		require("nvim-tree").setup {
+			update_cwd = true,
+			update_focused_file = {
+				enable = true
+			},
+			respect_buf_cwd = true,
+			on_attach = on_nvim_tree_attach,
+		}
+	end,
+}