Neovim/lua/plugins/neo-tree.lua

--
-- Pretty file tree with various sources
--
-- Source: https://github.com/nvim-neo-tree/neo-tree.nvim
-- ..............................................
--
-- Author: Sven Vogel
-- Created: 01.11.2024
-- Edited: 07.11.2024
--
-- ==============================================

ui = require 'config.ui'

return {
    "nvim-neo-tree/neo-tree.nvim",
    lazy = false,
    branch = "v3.x",
    dependencies = {
        "nvim-lua/plenary.nvim",
        "nvim-tree/nvim-web-devicons",
        "MunifTanjim/nui.nvim",
        --
        -- List language server diagnostics
        --
        -- Source: https://github.com/mrbjarksen/neo-tree-diagnostics.nvim
        -- ..............................................
        --
        'mrbjarksen/neo-tree-diagnostics.nvim'
    },
    cmd = "Neotree",
    opts = {
        popup_border_style = ui.border,
        sources = {
            "filesystem",
            "document_symbols",
            "git_status",
            "diagnostics"
        },
        source_selector = {
            winbar = true,
            statusline = false,
            sources = {
                {
                    source = "filesystem",
                    display_name = " 󰉓 Files "
                },
                {
                    source = "document_symbols",
                    display_name = "  Symbols "
                },
                {
                    source = "diagnostics",
                    display_name = "  Diagnostics "
                }
            },
        },
        diagnostics = {
            follow_current_file = { -- May also be set to `true` or `false`
                enabled = true,     -- This will find and focus the file in the active buffer every time
                always_focus_file = false, -- Focus the followed file, even when focus is currently on a diagnostic item belonging to that file
                expand_followed = true, -- Ensure the node of the followed file is expanded
                leave_dirs_open = true, -- `false` closes auto expanded dirs, such as with `:Neotree reveal`
                leave_files_open = true, -- `false` closes auto expanded files, such as with `:Neotree reveal`
            }
        },
        filesystem = {
            bind_to_cwd = false,
            follow_current_file = { enabled = true },
            use_libuv_file_watcher = true,
            hijack_netrw_behavior = "open_default",
            filtered_items = {
                hide_dotfiles = false,
                hide_gitignored = false,
                hide_hidden = false, -- only works on Windows for hidden files/directories
            },
            window = {
                position = "left"
            }
        },
        close_if_last_window = false,
        default_component_configs = {
            container = {
                enable_character_fade = true
            },
            indent = {
                indent_size = 2,
                padding = 1, -- extra padding on left hand side
                with_markers = true,
                indent_marker = "│",
                last_indent_marker = "└",
                with_expanders = true, -- if nil and file nesting is enabled, will enable expanders
                expander_collapsed = "",
                expander_expanded = "",
                expander_highlight = "NeoTreeExpander",
            }
        }
    }
}