feat(view): add filters.git_clean, filters.no_buffer (#1784)

* feat(view): add filters.git_clean

* feat(view): add filters.git_clean

* feat(view): add filters.no_buffer

* feat(view): filters.no_buffer misses unloaded, handles buffer in/out

* feat(view): filters.no_buffer matches directories specifically

* feat(view): filters.no_buffer clarify targets

* feat: add placeholder filters.diagnostics_ok, refactor filters

* feat(view): remove placeholder filters.diagnostics_ok

lua/nvim-tree/actions/dispatch.lua

@@ -12,6 +12,8 @@ local Actions = {
   toggle_dotfiles = require("nvim-tree.actions.tree-modifiers.toggles").dotfiles,
   toggle_custom = require("nvim-tree.actions.tree-modifiers.toggles").custom,
   toggle_git_ignored = require("nvim-tree.actions.tree-modifiers.toggles").git_ignored,
+  toggle_git_clean = require("nvim-tree.actions.tree-modifiers.toggles").git_clean,
+  toggle_no_buffer = require("nvim-tree.actions.tree-modifiers.toggles").no_buffer,
 
   -- Filesystem operations
   copy_absolute_path = require("nvim-tree.actions.fs.copy-paste").copy_absolute_path,

lua/nvim-tree/actions/finders/search-node.lua

@@ -14,6 +14,8 @@ local function search(search_dir, input_path)
   local function iter(dir)
     local realpath, path, name, stat, handle, _
 
+    local filter_status = filters.prepare()
+
     handle, _ = vim.loop.fs_scandir(dir)
     if not handle then
       return
@@ -34,7 +36,7 @@ local function search(search_dir, input_path)
         break
       end
 
-      if not filters.should_ignore(path) then
+      if not filters.should_filter(path, filter_status) then
         if string.find(path, "/" .. input_path .. "$") then
           return path
         end

lua/nvim-tree/actions/init.lua

@@ -76,6 +76,11 @@ local DEFAULT_MAPPINGS = {
     action = "last_sibling",
     desc = "navigate to the last sibling of current file/directory",
   },
+  {
+    key = "C",
+    action = "toggle_git_clean",
+    desc = "toggle visibility of git clean via |filters.git_clean| option",
+  },
   {
     key = "I",
     action = "toggle_git_ignored",
@@ -86,6 +91,11 @@ local DEFAULT_MAPPINGS = {
     action = "toggle_dotfiles",
     desc = "toggle visibility of dotfiles via |filters.dotfiles| option",
   },
+  {
+    key = "B",
+    action = "toggle_no_buffer",
+    desc = "toggle visibility of files/folders hidden via |filters.no_buffer| option",
+  },
   {
     key = "U",
     action = "toggle_custom",

lua/nvim-tree/actions/reloaders/reloaders.lua

@@ -6,13 +6,13 @@ local core = require "nvim-tree.core"
 
 local M = {}
 
-local function refresh_nodes(node, projects)
+local function refresh_nodes(node, projects, unloaded_bufnr)
   local cwd = node.cwd or node.link_to or node.absolute_path
   local project_root = git.get_project_root(cwd)
-  explorer_module.reload(node, projects[project_root] or {})
+  explorer_module.reload(node, projects[project_root] or {}, unloaded_bufnr)
   for _, _node in ipairs(node.nodes) do
     if _node.nodes and _node.open then
-      refresh_nodes(_node, projects)
+      refresh_nodes(_node, projects, unloaded_bufnr)
     end
   end
 end
@@ -33,14 +33,16 @@ function M.reload_node_status(parent_node, projects)
 end
 
 local event_running = false
-function M.reload_explorer()
+---@param _ table unused node passed by action
+---@param unloaded_bufnr number optional bufnr recently unloaded via BufUnload event
+function M.reload_explorer(_, unloaded_bufnr)
   if event_running or not core.get_explorer() or vim.v.exiting ~= vim.NIL then
     return
   end
   event_running = true
 
   local projects = git.reload()
-  refresh_nodes(core.get_explorer(), projects)
+  refresh_nodes(core.get_explorer(), projects, unloaded_bufnr)
   if view.is_visible() then
     renderer.draw()
   end

lua/nvim-tree/actions/tree-modifiers/toggles.lua

@@ -15,6 +15,16 @@ function M.git_ignored()
   return reloaders.reload_explorer()
 end
 
+function M.git_clean()
+  filters.config.filter_git_clean = not filters.config.filter_git_clean
+  return reloaders.reload_explorer()
+end
+
+function M.no_buffer()
+  filters.config.filter_no_buffer = not filters.config.filter_no_buffer
+  return reloaders.reload_explorer()
+end
+
 function M.dotfiles()
   filters.config.filter_dotfiles = not filters.config.filter_dotfiles
   return reloaders.reload_explorer()