add nvimtree

update

init.lua

@@ -9,3 +9,4 @@ require "user.treesitter"
 require "user.autopairs"
 require "user.comment"
 require "user.gitsigns"
+require "user.nvim-tree"

lua/user/keymaps.lua

@@ -25,8 +25,6 @@ keymap("n", "<C-j>", "<C-w>j", opts)
 keymap("n", "<C-k>", "<C-w>k", opts)
 keymap("n", "<C-l>", "<C-w>l", opts)
 
-keymap("n", "<leader>e", ":Lex 30<cr>", opts)
-
 -- Resize with arrows
 keymap("n", "<C-Up>", ":resize -2<CR>", opts)
 keymap("n", "<C-Down>", ":resize +2<CR>", opts)
@@ -69,6 +67,5 @@ keymap("t", "<C-j>", "<C-\\><C-N><C-w>j", term_opts)
 keymap("t", "<C-k>", "<C-\\><C-N><C-w>k", term_opts)
 keymap("t", "<C-l>", "<C-\\><C-N><C-w>l", term_opts)
 
--- Comment
-keymap("n", "<leader>/", "<cmd>lua require('Comment').toggle()<CR>", opts)
-keymap("v", "<leader>/", ":lua require(\"Comment.api\").gc(vim.fn.visualmode())<cr>", opts)
+-- Nvimtree
+keymap("n", "<leader>e", ":NvimTreeToggle<cr>", opts)

lua/user/nvim-tree.lua

@@ -0,0 +1,112 @@
+-- following options are the default
+-- each of these are documented in `:help nvim-tree.OPTION_NAME`
+vim.g.nvim_tree_icons = {
+  default = "",
+  symlink = "",
+  git = {
+    unstaged = "",
+    staged = "S",
+    unmerged = "",
+    renamed = "➜",
+    deleted = "",
+    untracked = "U",
+    ignored = "◌",
+  },
+  folder = {
+    default = "",
+    open = "",
+    empty = "",
+    empty_open = "",
+    symlink = "",
+  },
+}
+
+local status_ok, nvim_tree = pcall(require, "nvim-tree")
+if not status_ok then
+  return
+end
+
+local config_status_ok, nvim_tree_config = pcall(require, "nvim-tree.config")
+if not config_status_ok then
+  return
+end
+
+local tree_cb = nvim_tree_config.nvim_tree_callback
+
+nvim_tree.setup {
+  disable_netrw = true,
+  hijack_netrw = true,
+  open_on_setup = false,
+  ignore_ft_on_setup = {
+    "startify",
+    "dashboard",
+    "alpha",
+  },
+  auto_close = true,
+  open_on_tab = false,
+  hijack_cursor = false,
+  update_cwd = true,
+  update_to_buf_dir = {
+    enable = true,
+    auto_open = true,
+  },
+  diagnostics = {
+    enable = true,
+    icons = {
+      hint = "",
+      info = "",
+      warning = "",
+      error = "",
+    },
+  },
+  update_focused_file = {
+    enable = true,
+    update_cwd = true,
+    ignore_list = {},
+  },
+  system_open = {
+    cmd = nil,
+    args = {},
+  },
+  filters = {
+    dotfiles = false,
+    custom = {},
+  },
+  git = {
+    enable = true,
+    ignore = true,
+    timeout = 500,
+  },
+  view = {
+    width = 30,
+    height = 30,
+    hide_root_folder = false,
+    side = "left",
+    auto_resize = true,
+    mappings = {
+      custom_only = false,
+      list = {
+        { key = { "l", "<CR>", "o" }, cb = tree_cb "edit" },
+        { key = "h", cb = tree_cb "close_node" },
+        { key = "v", cb = tree_cb "vsplit" },
+      },
+    },
+    number = false,
+    relativenumber = false,
+  },
+  trash = {
+    cmd = "trash",
+    require_confirm = true,
+  },
+  quit_on_open = 0,
+  git_hl = 1,
+  disable_window_picker = 0,
+  root_folder_modifier = ":t",
+  show_icons = {
+    git = 1,
+    folders = 1,
+    files = 1,
+    folder_arrows = 1,
+    tree_width = 30,
+  },
+}

lua/user/plugins.lua

@@ -46,6 +46,8 @@ return packer.startup(function(use)
   use "nvim-lua/plenary.nvim" -- Useful lua functions used ny lots of plugins
   use "windwp/nvim-autopairs" -- Autopairs, integrates with both cmp and treesitter
   use "numToStr/Comment.nvim" -- Easily comment stuff
+  use 'kyazdani42/nvim-web-devicons'
+  use 'kyazdani42/nvim-tree.lua'
 
   -- Colorschemes
   -- use "lunarvim/colorschemes" -- A bunch of colorschemes you can try out