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.lua

@@ -11,6 +11,7 @@ local reloaders = require "nvim-tree.actions.reloaders.reloaders"
 local copy_paste = require "nvim-tree.actions.fs.copy-paste"
 local collapse_all = require "nvim-tree.actions.tree-modifiers.collapse-all"
 local git = require "nvim-tree.git"
+local filters = require "nvim-tree.explorer.filters"
 
 local _config = {}
 
@@ -353,6 +354,22 @@ local function setup_autocommands(opts)
     create_nvim_tree_autocmd("BufWritePost", { callback = reloaders.reload_explorer })
   end
 
+  create_nvim_tree_autocmd("BufReadPost", {
+    callback = function()
+      if filters.config.filter_no_buffer then
+        reloaders.reload_explorer()
+      end
+    end,
+  })
+
+  create_nvim_tree_autocmd("BufUnload", {
+    callback = function(data)
+      if filters.config.filter_no_buffer then
+        reloaders.reload_explorer(nil, data.buf)
+      end
+    end,
+  })
+
   if not has_watchers and opts.git.enable then
     create_nvim_tree_autocmd("User", {
       pattern = { "FugitiveChanged", "NeogitStatusRefreshed" },
@@ -583,6 +600,8 @@ local DEFAULT_OPTS = { -- BEGIN_DEFAULT_OPTS
   },
   filters = {
     dotfiles = false,
+    git_clean = false,
+    no_buffer = false,
     custom = {},
     exclude = {},
   },