Add nvim-tree configuration

karabiner/karabiner.json

@@ -77,7 +77,10 @@
                                 },
                                 "to": [
                                     {
-                                        "shell_command": "/Applications/kitty.app/Contents/MacOS/kitty --single-instance"
+                                        "key_code": "vk_none"
+                                    },
+                                    {
+                                        "shell_command": "/Applications/kitty.app/Contents/MacOS/kitty --single-instance --directory ~"
                                     }
                                 ],
                                 "type": "basic"

nvim/lua/tracer/plugins.lua

@@ -1,3 +1,6 @@
+vim.g.loaded_netrw = 1
+vim.g.loaded_netrwPlugin = 1
+
 local ensure_packer = function()
   local fn = vim.fn
   local install_path = fn.stdpath("data") .. "/site/pack/packer/start/packer.nvim"
@@ -110,7 +113,7 @@ require("packer").startup(function(use)
     "nvim-telescope/telescope.nvim",
     requires = {
       "nvim-lua/plenary.nvim",
-      "kyazdani42/nvim-web-devicons",
+      "nvim-tree/nvim-web-devicons",
       "nvim-telescope/telescope-live-grep-args.nvim",
       { "nvim-telescope/telescope-fzf-native.nvim", run = "make" },
     },
@@ -119,6 +122,17 @@ require("packer").startup(function(use)
     end,
   })
 
+  -- File tree sidebar for project-style navigation.
+  use({
+    "nvim-tree/nvim-tree.lua",
+    requires = {
+      "nvim-tree/nvim-web-devicons",
+    },
+    config = function()
+      require("tracer.plugins.nvim-tree")
+    end,
+  })
+
   -- Automatically set up your configuration after cloning packer.nvim
   -- Put this at the end after all plugins
   if packer_bootstrap then

nvim/lua/tracer/plugins/nvim-tree.lua

@@ -0,0 +1,53 @@
+require("nvim-tree").setup({
+  git = {
+    enable = false,
+  },
+  hijack_cursor = true,
+  sync_root_with_cwd = false,
+  update_focused_file = {
+    enable = true,
+    update_root = false,
+  },
+  view = {
+    width = 36,
+    preserve_window_proportions = true,
+  },
+  renderer = {
+    group_empty = true,
+    icons = {
+      show = {
+        folder_arrow = false,
+      },
+    },
+    indent_markers = {
+      enable = true,
+    },
+  },
+  filters = {
+    dotfiles = false,
+  },
+  actions = {
+    open_file = {
+      resize_window = true,
+    },
+  },
+})
+
+vim.keymap.set("n", "<leader>e", "<cmd>NvimTreeToggle<CR>", { silent = true })
+vim.keymap.set("n", "<leader>t", ":NvimTreeFindFileToggle<CR>")
+
+local project_tree_group = vim.api.nvim_create_augroup("tracer_project_tree", { clear = true })
+
+vim.api.nvim_create_autocmd("VimEnter", {
+  group = project_tree_group,
+  callback = function(data)
+    if vim.fn.argc() ~= 1 or vim.fn.isdirectory(data.file) ~= 1 then
+      return
+    end
+
+    vim.cmd.cd(data.file)
+    vim.cmd.enew()
+    vim.cmd.bwipeout(data.buf)
+    require("nvim-tree.api").tree.open()
+  end,
+})