nvim/lua/plugins/neotree.lua

--- Neo-tree configuration with dynamic pattern filtering
--- @module plugins.neotree

-- Import shared modules
local ignore_patterns = require "config.ignore_patterns"
local terminals = require "config.terminals"

---@type LazySpec
return {
  {
    "neo-tree.nvim",
    init = function()
      vim.api.nvim_create_autocmd("DirChanged", {
        group = vim.api.nvim_create_augroup("NeoTreeRefreshPatterns", { clear = true }),
        callback = function()
          local ok, manager = pcall(require, "neo-tree.sources.manager")
          if ok then pcall(manager.refresh, "filesystem") end
        end,
      })
    end,
    opts = function()
      -- Get all hide patterns from shared module
      local hide_patterns = ignore_patterns.get_all_patterns()

      return {

        popup_border_style = "rounded",
        enable_git_status = true,
        enable_diagnostics = true,
        sort_case_insensitive = false,
        auto_expand_width = true,
        git_status_async = true, -- Asynchronous git status. Improves performance.
        hide_root_node = true, -- Hide the root node.
        retain_hidden_root_indent = true, -- IF the root node is hidden, keep the indentation anyhow.
        use_libuv_file_watcher = true,
        sort = {
          sorter = "name",
        },
        window = {
          position = "left",
          width = 32,
          mappings = {
            ["H"] = "navigate_up",
            ["L"] = function(state)
              require("neo-tree.sources.filesystem.commands").set_root(state)
              -- Refresh patterns when changing root
              vim.defer_fn(function()
                local new_patterns = ignore_patterns.get_all_patterns()
                require("neo-tree").config.filesystem.filtered_items.hide_by_pattern = new_patterns
                require("neo-tree.sources.manager").refresh "filesystem"
              end, 50)
            end,
            ["<bs>"] = "toggle_hidden",
            ["."] = "toggle_hidden",
            ["/"] = "fuzzy_finder",
            ["f"] = "filter_on_submit",
            ["<c-x>"] = "clear_filter",
            ["<CR>"] = "open_and_close_neotree",
            ["<S-CR>"] = "open",
            -- Claude Code: add file under cursor to context
            ["<C-a>"] = function() vim.cmd "ClaudeCodeTreeAdd" end,
            -- Preview image under cursor via kitty's icat kitten
            ["<leader>p"] = "image_kitty",
            -- Git keybindings from astrocore
            ["<C-g>o"] = function() vim.cmd "!gh repo view --web" end,
            ["<C-g>h"] = function()
              require("snacks").terminal("gh dash", {
                hidden = true,
                auto_close = false,
                interactive = true,
              })
            end,
            ["<C-g>g"] = function()
              require("snacks").terminal("lazygit", {
                hidden = true,
                auto_close = true,
                interactive = true,
              })
            end,
            ["<C-g>d"] = function() require("snacks").picker.git_diff() end,
            ["<C-g>b"] = function() require("snacks").picker.git_branches() end,
            -- Terminal keybindings from astrocore
            ["<C-t>m"] = terminals.mk_toggle,
            ["<C-t>l"] = function()
              require("snacks").terminal("lazydocker", {
                hidden = true,
                auto_close = true,
                start_in_insert = true,
                interactive = true,
              })
            end,
            ["<C-t>du"] = function()
              require("snacks").terminal("devbox services up", {
                hidden = true,
                auto_close = false,
                start_in_insert = true,
                interactive = true,
              })
            end,
            ["<C-t>dd"] = function()
              require("snacks").terminal("devbox services down", {
                hidden = true,
                auto_close = false,
                start_in_insert = true,
                interactive = true,
              })
            end,
            ["<C-t>da"] = function()
              require("snacks").terminal("devbox services attach", {
                hidden = true,
                auto_close = false,
                start_in_insert = true,
                interactive = true,
              })
            end,
            ["<C-t>."] = terminals.yazi_toggle,
            ["<C-t>t"] = function() require("snacks").terminal() end,
            -- Find keybindings from astrocore
            -- These Find keybindings are defined in astrocore.lua
            -- NeoTree only needs the basic navigation and terminal bindings
            -- Mappings for Mason and formatting
            ["N"] = function(state)
              local node = state.tree:get_node()
              local path = node.type == "directory" and node.path or vim.fn.fnamemodify(node.path, ":h")

              -- Check if running on Arch Linux
              local is_arch = vim.fn.filereadable "/etc/arch-release" == 1

              if is_arch then
                -- Use uwsm to launch alacritty with yazi on Arch Linux
                vim.fn.jobstart(
                  string.format("uwsm app -- alacritty --working-directory %s -e yazi", vim.fn.shellescape(path)),
                  {
                    detach = true,
                  }
                )
              else
                -- Fallback to direct alacritty launch with yazi on other systems
                vim.fn.jobstart(string.format("alacritty --working-directory %s -e yazi", vim.fn.shellescape(path)), {
                  detach = true,
                })
              end
            end,
          },
          header = {
            highlight = "NeoTreeHeader",
          },
        },
        default_component_configs = {
          container = {
            enable_character_fade = true,
          },
          indent = {
            indent_size = 2,
            padding = 1, -- extra padding on left hand side
            -- indent guides
            with_markers = true,
            indent_marker = "│",
            last_indent_marker = "└",
            highlight = "NeoTreeIndentMarker",
            -- expander config, needed for nesting files
            expander_collapsed = "",
            expander_expanded = "",
            expander_highlight = "NeoTreeExpander",
          },
          name = {
            trailing_slash = false, -- append a trailing slash to folder names
            use_git_status_colors = true, -- use git status colors instead of the default colors
            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 = 48, -- 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,
          },
        },

        buffers = {
          follow_current_file = {
            enabled = true,
          },
        },

        -- Filesystem specific settings
        filesystem = {
          commands = {
            -- Refresh patterns when changing directories
            refresh_patterns = function(state)
              -- Re-read patterns when navigating
              local new_patterns = ignore_patterns.get_all_patterns()
              state.filtered_items.hide_by_pattern = new_patterns
              require("neo-tree.sources.manager").refresh "filesystem"
            end,
            -- If item is a file it will close neotree after opening it.
            open_and_close_neotree = function(state)
              require("neo-tree.sources.filesystem.commands").open(state)
              local tree = state.tree
              local success, node = pcall(tree.get_node, tree)
              if not success then return end
              if node.type == "file" then require("neo-tree.command").execute { action = "close" } end
            end,

            -- Preview an image with kitty's icat kitten in a snacks terminal
            image_kitty = function(state)
              local node = state.tree:get_node()
              if node and node.type == "file" then
                require("snacks").terminal("kitten icat --hold " .. vim.fn.shellescape(node.path), {
                  hidden = true,
                  auto_close = false,
                  interactive = true,
                })
              else
                vim.notify("Not a file", vim.log.levels.WARN, { title = "Neo-tree" })
              end
            end,

            -- Custom command to open Mason
            mason_open = function() vim.cmd "Mason" end,

            -- Custom command to format a file using the LSP
            format_file = function(state)
              local node = state.tree:get_node()
              if node and node.type == "file" then
                -- Format the file in a temporary buffer without opening it in a window
                local bufnr = vim.api.nvim_create_buf(false, true)
                vim.api.nvim_buf_set_name(bufnr, node.path)
                vim.api.nvim_buf_load(bufnr)
                vim.lsp.buf.format { bufnr = bufnr, async = false, timeout_ms = 5000 }
                vim.api.nvim_buf_call(bufnr, function() vim.cmd "write" end)
                vim.notify("Formatted " .. vim.fs.basename(node.path), vim.log.levels.INFO, { title = "Neo-tree" })
              else
                vim.notify("Not a file", vim.log.levels.WARN, { title = "Neo-tree" })
              end
            end,
          },
          bind_to_cwd = true,
          follow_current_file = {
            enabled = true,
            leave_dirs_open = false,
          },
          filtered_items = {
            force_visible_in_empty_folder = false,
            group_empty = false,
            show_hidden_count = false,
            hide_dotfiles = false,
            hide_gitignored = true,
            hide_by_pattern = hide_patterns,
            always_show = {},
            always_show_by_pattern = {},
            visible = function(item)
              -- Hide all symlinks
              if item.type == "link" then return false end
              return true
            end,
            hide_by_name = {
              -- "contracts",
              -- "crypto",
              -- "CONSTITUTION.md",
              -- "CONTRIBUTING.md",
              -- "api",
              -- "turbo.json",
              -- "OpenCode.md",
              -- "AGENT.md",
              -- "AGENTS.md",
              -- "svgo.config.mjs",
              -- ".prettierrc.cjs",
              -- ".eslintrc.cjs",
              -- "tsconfig.json",
              -- "tsconfig.prod.json",
              -- ".prettierignore",
              -- "CONVENTIONS.md",
              -- ".gitkeep",
              -- ".source",
              -- "settings.json",
              -- ".gitignore",
              -- "analysis_options.yaml",
              -- "slumber.yml",
              -- ".eslintignore",
              -- "CONTRIBUTING.md",
              -- "CHANGELOG.md",
              -- "devbox.d",
              -- "env",
              -- ".husky",
              -- "translations",
              -- "LICENSE.md",
              -- ".envrc",
              -- "CLAUDE.md",
              -- "chains",
              -- "test",
              -- ".golangci.yml",
              -- "go.mod",
              -- "pnpm-workspace.yaml",
              -- "examples",
              -- "bridge",
              -- "client",
            },
            never_show_by_pattern = ignore_patterns.never_show_patterns,
            never_show = ignore_patterns.never_show,
          },
        },
        diagnostics = {
          enable = false,
          icons = {
            hint = "",
            info = "",
            warning = "",
            error = "",
          },
        },

        source_selector = {
          winbar = false,
          statusline = false,
        },

        -- Main sources
        sources = {
          "filesystem",
        },
      }
    end,
  },
}