kickstart.nvim/lua/rakshit/plugins/nvim-tree.lua

return {
  "nvim-tree/nvim-tree.lua",
  dependencies = "nvim-tree/nvim-web-devicons",
  config = function()
    local nvimtree = require("nvim-tree")

    -- recommended settings from nvim-tree documentation
    vim.g.loaded_netrw = 1
    vim.g.loaded_netrwPlugin = 1

    nvimtree.setup({
      view = {
        width = 35,
        number = true,
        relativenumber = true,
        centralize_selection = true,
      },
      -- change folder arrow icons
      renderer = {
        indent_markers = {
          enable = true,
        },
        add_trailing = true,
        icons = {
          glyphs = {
            folder = {
              arrow_closed = "", -- arrow when folder is closed
              arrow_open = "", -- arrow when folder is open
            },
          },
        },
      },
      -- disable window_picker for
      -- explorer to work well with
      -- window splits
      actions = {
        open_file = {
          window_picker = {
            enable = false,
          },
        },
      },
      filters = {
        custom = { ".DS_Store" },
      },
      git = {
        ignore = false,
      },
    })

    -- Sync nvim-tree with current file when file changes (BufEnter)
    local function sync_nvim_tree()
      local api = require("nvim-tree.api")

      -- Check if nvim-tree is open
      local is_open = api.tree.is_visible()
      if is_open then
        api.tree.find_file(vim.fn.expand("%"), true)
      end
    end

    -- Trigger sync_nvim_tree when buffer is entered
    vim.api.nvim_create_autocmd("BufEnter", {
      pattern = "*",
      callback = function()
        sync_nvim_tree()
      end,
    })

    -- set keymaps
    local keymap = vim.keymap -- for conciseness

    keymap.set("n", "<leader>ee", "<cmd>NvimTreeToggle<CR>", { desc = "Toggle file explorer" }) -- toggle file explorer
    keymap.set("n", "<leader>ef", "<cmd>NvimTreeFindFileToggle<CR>", { desc = "Toggle file explorer on current file" }) -- toggle file explorer on current file
    -- keymap.set('n', '<C>)', '<cmd>NvimTreeFindFileToggle<CR>', { desc = 'Toggle file explorer on current file' }) -- toggle file explorer on current file
    keymap.set("n", "<leader>ec", "<cmd>NvimTreeCollapse<CR>", { desc = "Collapse file explorer" }) -- collapse file explorer
    keymap.set("n", "<leader>er", "<cmd>NvimTreeRefresh<CR>", { desc = "Refresh file explorer" }) -- refresh file explorer

    -- New ones I'm adding just for testing and hopefully that works
    -- keymap.set('n', 'h', '<cmd>NvimTreeCollapse<CR>', { desc = 'Collapse file explorer' }) -- collapse file explorer
  end,

  --[[
  -- Pasting default keymaps below for quick reference:
  BEGIN_DEFAULT_ON_ATTACH
  vim.keymap.set("n", "<C-]>",          api.tree.change_root_to_node,       opts("CD"))
  vim.keymap.set("n", "<C-e>",          api.node.open.replace_tree_buffer,  opts("Open: In Place"))
  vim.keymap.set("n", "<C-k>",          api.node.show_info_popup,           opts("Info"))
  vim.keymap.set("n", "<C-r>",          api.fs.rename_sub,                  opts("Rename: Omit Filename"))
  vim.keymap.set("n", "<C-t>",          api.node.open.tab,                  opts("Open: New Tab"))
  vim.keymap.set("n", "<C-v>",          api.node.open.vertical,             opts("Open: Vertical Split"))
  vim.keymap.set("n", "<C-x>",          api.node.open.horizontal,           opts("Open: Horizontal Split"))
  vim.keymap.set("n", "<BS>",           api.node.navigate.parent_close,     opts("Close Directory"))
  vim.keymap.set("n", "<CR>",           api.node.open.edit,                 opts("Open"))
  vim.keymap.set("n", "<Tab>",          api.node.open.preview,              opts("Open Preview"))
  vim.keymap.set("n", ">",              api.node.navigate.sibling.next,     opts("Next Sibling"))
  vim.keymap.set("n", "<",              api.node.navigate.sibling.prev,     opts("Previous Sibling"))
  vim.keymap.set("n", ".",              api.node.run.cmd,                   opts("Run Command"))
  vim.keymap.set("n", "-",              api.tree.change_root_to_parent,     opts("Up"))
  vim.keymap.set("n", "a",              api.fs.create,                      opts("Create File Or Directory"))
  vim.keymap.set("n", "bd",             api.marks.bulk.delete,              opts("Delete Bookmarked"))
  vim.keymap.set("n", "bt",             api.marks.bulk.trash,               opts("Trash Bookmarked"))
  vim.keymap.set("n", "bmv",            api.marks.bulk.move,                opts("Move Bookmarked"))
  vim.keymap.set("n", "B",              api.tree.toggle_no_buffer_filter,   opts("Toggle Filter: No Buffer"))
  vim.keymap.set("n", "c",              api.fs.copy.node,                   opts("Copy"))
  vim.keymap.set("n", "C",              api.tree.toggle_git_clean_filter,   opts("Toggle Filter: Git Clean"))
  vim.keymap.set("n", "[c",             api.node.navigate.git.prev,         opts("Prev Git"))
  vim.keymap.set("n", "]c",             api.node.navigate.git.next,         opts("Next Git"))
  vim.keymap.set("n", "d",              api.fs.remove,                      opts("Delete"))
  vim.keymap.set("n", "D",              api.fs.trash,                       opts("Trash"))
  vim.keymap.set("n", "E",              api.tree.expand_all,                opts("Expand All"))
  vim.keymap.set("n", "e",              api.fs.rename_basename,             opts("Rename: Basename"))
  vim.keymap.set("n", "]e",             api.node.navigate.diagnostics.next, opts("Next Diagnostic"))
  vim.keymap.set("n", "[e",             api.node.navigate.diagnostics.prev, opts("Prev Diagnostic"))
  vim.keymap.set("n", "F",              api.live_filter.clear,              opts("Live Filter: Clear"))
  vim.keymap.set("n", "f",              api.live_filter.start,              opts("Live Filter: Start"))
  vim.keymap.set("n", "g?",             api.tree.toggle_help,               opts("Help"))
  vim.keymap.set("n", "gy",             api.fs.copy.absolute_path,          opts("Copy Absolute Path"))
  vim.keymap.set("n", "ge",             api.fs.copy.basename,               opts("Copy Basename"))
  vim.keymap.set("n", "H",              api.tree.toggle_hidden_filter,      opts("Toggle Filter: Dotfiles"))
  vim.keymap.set("n", "I",              api.tree.toggle_gitignore_filter,   opts("Toggle Filter: Git Ignore"))
  vim.keymap.set("n", "J",              api.node.navigate.sibling.last,     opts("Last Sibling"))
  vim.keymap.set("n", "K",              api.node.navigate.sibling.first,    opts("First Sibling"))
  vim.keymap.set("n", "L",              api.node.open.toggle_group_empty,   opts("Toggle Group Empty"))
  vim.keymap.set("n", "M",              api.tree.toggle_no_bookmark_filter, opts("Toggle Filter: No Bookmark"))
  vim.keymap.set("n", "m",              api.marks.toggle,                   opts("Toggle Bookmark"))
  vim.keymap.set("n", "o",              api.node.open.edit,                 opts("Open"))
  vim.keymap.set("n", "O",              api.node.open.no_window_picker,     opts("Open: No Window Picker"))
  vim.keymap.set("n", "p",              api.fs.paste,                       opts("Paste"))
  vim.keymap.set("n", "P",              api.node.navigate.parent,           opts("Parent Directory"))
  vim.keymap.set("n", "q",              api.tree.close,                     opts("Close"))
  vim.keymap.set("n", "r",              api.fs.rename,                      opts("Rename"))
  vim.keymap.set("n", "R",              api.tree.reload,                    opts("Refresh"))
  vim.keymap.set("n", "s",              api.node.run.system,                opts("Run System"))
  vim.keymap.set("n", "S",              api.tree.search_node,               opts("Search"))
  vim.keymap.set("n", "u",              api.fs.rename_full,                 opts("Rename: Full Path"))
  vim.keymap.set("n", "U",              api.tree.toggle_custom_filter,      opts("Toggle Filter: Hidden"))
  vim.keymap.set("n", "W",              api.tree.collapse_all,              opts("Collapse"))
  vim.keymap.set("n", "x",              api.fs.cut,                         opts("Cut"))
  vim.keymap.set("n", "y",              api.fs.copy.filename,               opts("Copy Name"))
  vim.keymap.set("n", "Y",              api.fs.copy.relative_path,          opts("Copy Relative Path"))
  vim.keymap.set("n", "<2-LeftMouse>",  api.node.open.edit,                 opts("Open"))
  vim.keymap.set("n", "<2-RightMouse>", api.tree.change_root_to_node,       opts("CD"))
  -- END_DEFAULT_ON_ATTACH
  --]]
}