Update something

nvim.bak/lua/config/plugins/core/neo-tree.lua

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+return {
+  "nvim-neo-tree/neo-tree.nvim",
+  branch = "v3.x",
+  dependencies = {
+    "nvim-lua/plenary.nvim",
+    "nvim-tree/nvim-web-devicons", -- not strictly required, but recommended
+    "MunifTanjim/nui.nvim",
+    "3rd/image.nvim",            -- Optional image support in preview window: See `# Preview Mode` for more information
+  },
+  config = function()
+    require("neo-tree").setup({
+      close_if_last_window = false, -- Close Neo-tree if it is the last window left in the tab
+      popup_border_style = "rounded",
+      enable_git_status = true,
+      enable_diagnostics = true,
+      open_files_do_not_replace_types = { "terminal", "trouble", "qf" }, -- when opening files, do not use windows containing these filetypes or buftypes
+      sort_case_insensitive = false,                                  -- used when sorting files and directories in the tree
+      sort_function = nil,                                            -- use a custom function for sorting files and directories in the tree
+      -- sort_function = function (a,b)
+      --       if a.type == b.type then
+      --           return a.path > b.path
+      --       else
+      --           return a.type > b.type
+      --       end
+      --   end , -- this sorts files and directories descendantly
+      default_component_configs = {
+        container = {
+          enable_character_fade = true,
+        },
+        diagnostics = {
+          symbols = {
+            hint = "󰠠",
+            info = "",
+            warn = "",
+            error = "",
+          },
+          highlight = {
+            hint = "DiagnosticSignHint",
+            info = "DiagnosticSignInfo",
+            warn = "DiagnosticSignWarn",
+            error = "DiagnosticSignError",
+          },
+        },
+        indent = {
+          indent_size = 2,
+          padding = 0, -- extra padding on left hand side
+          -- indent guides
+          with_markers = true,
+          indent_marker = "│",
+          last_indent_marker = "└",
+          highlight = "NeoTreeIndentMarker",
+          -- expander config, needed for nesting files
+          with_expanders = nil, -- if nil and file nesting is enabled, will enable expanders
+          expander_collapsed = "",
+          expander_expanded = "",
+          expander_highlight = "NeoTreeExpander",
+        },
+        icon = {
+          folder_closed = "",
+          folder_open = "",
+          folder_empty = "󰜌",
+          provider = function(icon, node, state) -- default icon provider utilizes nvim-web-devicons if available
+            if node.type == "file" or node.type == "terminal" then
+              local success, web_devicons = pcall(require, "nvim-web-devicons")
+              local name = node.type == "terminal" and "terminal" or node.name
+              if success then
+                local devicon, hl = web_devicons.get_icon(name)
+                icon.text = devicon or icon.text
+                icon.highlight = hl or icon.highlight
+              end
+            end
+          end,
+          -- The next two settings are only a fallback, if you use nvim-web-devicons and configure default icons there
+          -- then these will never be used.
+          default = "*",
+          highlight = "NeoTreeFileIcon",
+        },
+        modified = {
+          symbol = "[+]",
+          highlight = "NeoTreeModified",
+        },
+        name = {
+          trailing_slash = false,
+          use_git_status_colors = true,
+          highlight = "NeoTreeFileName",
+        },
+        git_status = {
+          symbols = {
+            -- Change type
+            added = "✚", -- or "✚", but this is redundant info if you use git_status_colors on the name
+            modified = "", -- or "", but this is redundant info if you use git_status_colors on the name
+            deleted = "✖", -- this can only be used in the git_status source
+            renamed = "󰁕", -- this can only be used in the git_status source
+            -- Status type
+            untracked = "",
+            ignored = "",
+            unstaged = "󰄱",
+            staged = "",
+            conflict = "",
+          },
+        },
+        -- If you don't want to use these columns, you can set `enabled = false` for each of them individually
+        file_size = {
+          enabled = true,
+          width = 12,     -- width of the column
+          required_width = 64, -- min width of window required to show this column
+        },
+        type = {
+          enabled = true,
+          width = 10,      -- width of the column
+          required_width = 122, -- min width of window required to show this column
+        },
+        last_modified = {
+          enabled = true,
+          width = 20,     -- width of the column
+          required_width = 88, -- min width of window required to show this column
+        },
+        created = {
+          enabled = true,
+          width = 20,      -- width of the column
+          required_width = 110, -- min width of window required to show this column
+        },
+        symlink_target = {
+          enabled = false,
+        },
+      },
+      -- A list of functions, each representing a global custom command
+      -- that will be available in all sources (if not overridden in `opts[source_name].commands`)
+      -- see `:h neo-tree-custom-commands-global`
+      window = {
+        position = "left",
+        width = 35,
+        mapping_options = {
+          noremap = true,
+          nowait = true,
+        },
+        mappings = {
+          ["P"] = { "toggle_preview", config = { use_float = true, use_image_nvim = true } },
+        },
+      },
+      filesystem = {
+        filtered_items = {
+          visible = false, -- when true, they will just be displayed differently than normal items
+          hide_dotfiles = true,
+          hide_gitignored = false,
+          hide_hidden = true, -- only works on Windows for hidden files/directories
+          hide_by_name = {
+            --"node_modules"
+          },
+          hide_by_pattern = { -- uses glob style patterns
+            --"*.meta",
+            --"*/src/*/tsconfig.json",
+          },
+          always_show = { -- remains visible even if other settings would normally hide it
+            ".gitignored",
+          },
+          always_show_by_pattern = { -- uses glob style patterns
+            ".env*",
+          },
+          never_show = { -- remains hidden even if visible is toggled to true, this overrides always_show
+            --".DS_Store",
+            --"thumbs.db"
+          },
+          never_show_by_pattern = { -- uses glob style patterns
+            --".null-ls_*",
+          },
+        },
+        follow_current_file = {
+          enabled = true,                   -- This will find and focus the file in the active buffer every time
+          --               -- the current file is changed while the tree is open.
+          leave_dirs_open = false,          -- `false` closes auto expanded dirs, such as with `:Neotree reveal`
+        },
+        group_empty_dirs = false,           -- when true, empty folders will be grouped together
+        hijack_netrw_behavior = "open_default", -- netrw disabled, opening a directory opens neo-tree
+        -- in whatever position is specified in window.position
+        -- "open_current",  -- netrw disabled, opening a directory opens within the
+        -- window like netrw would, regardless of window.position
+        -- "disabled",    -- netrw left alone, neo-tree does not handle opening dirs
+        use_libuv_file_watcher = false, -- This will use the OS level file watchers to detect changes
+        -- instead of relying on nvim autocmd events.
+      },
+    })
+
+    vim.keymap.set("n", "<leader>er", "<cmd>Neotree filesystem reveal left<CR>", { desc = "Reveal file-tree" })
+    vim.keymap.set("n", "<leader>ee", "<cmd>Neotree toggle<CR>", { desc = "Toggle file-tree" })
+    vim.keymap.set("n", "<leader>ef", "<cmd>Neotree float<CR>", { desc = "Float file-tree" })
+
+    vim.opt.fillchars:append({ eob = " " })
+  end,
+}