revert(#3180, #3177): resolve live filter failures (#3183)

* Revert "fix(#3172): live filter exception (#3173)"

This reverts commit 0a7fcdf3f8.

* Revert "refactor(#2826): move view to instanced window class (#3153)"

This reverts commit 0a06f65bf0.

* feat(#3157): add view.cursorlineopt

lua/nvim-tree/actions/tree/find-file.lua

@@ -1,5 +1,6 @@
 local core = require("nvim-tree.core")
 local lib = require("nvim-tree.lib")
+local view = require("nvim-tree.view")
 local finders_find_file = require("nvim-tree.actions.finders.find-file")
 
 local M = {}
@@ -40,12 +41,11 @@ function M.fn(opts)
     return
   end
 
-  local explorer = core.get_explorer()
-  if explorer and explorer.view:is_visible() then
+  if view.is_visible() then
     -- focus
     if opts.focus then
       lib.set_target_win()
-      explorer.view:focus()
+      view.focus()
     end
   elseif opts.open then
     -- open

lua/nvim-tree/actions/tree/open.lua

@@ -1,5 +1,5 @@
-local core = require("nvim-tree.core")
 local lib = require("nvim-tree.lib")
+local view = require("nvim-tree.view")
 local finders_find_file = require("nvim-tree.actions.finders.find-file")
 
 local M = {}
@@ -23,12 +23,10 @@ function M.fn(opts)
     opts.path = nil
   end
 
-  local explorer = core.get_explorer()
-
-  if explorer and explorer.view:is_visible() then
+  if view.is_visible() then
     -- focus
     lib.set_target_win()
-    explorer.view:focus()
+    view.focus()
   else
     -- open
     lib.open({

lua/nvim-tree/actions/tree/resize.lua

@@ -1,19 +1,14 @@
-local core = require("nvim-tree.core")
+local view = require("nvim-tree.view")
 
 local M = {}
 
 ---Resize the tree, persisting the new size.
 ---@param opts ApiTreeResizeOpts|nil
 function M.fn(opts)
-  local explorer = core.get_explorer()
-  if not explorer then
-    return
-  end
-
   if opts == nil then
     -- reset to config values
-    explorer.view:configure_width()
-    explorer.view:resize()
+    view.configure_width()
+    view.resize()
     return
   end
 
@@ -21,19 +16,19 @@ function M.fn(opts)
   local width_cfg = options.width
 
   if width_cfg ~= nil then
-    explorer.view:configure_width(width_cfg)
-    explorer.view:resize()
+    view.configure_width(width_cfg)
+    view.resize()
     return
   end
 
-  if not explorer.view:is_width_determined() then
+  if not view.is_width_determined() then
     -- {absolute} and {relative} do nothing when {width} is a function.
     return
   end
 
   local absolute = options.absolute
   if type(absolute) == "number" then
-    explorer.view:resize(absolute)
+    view.resize(absolute)
     return
   end
 
@@ -44,7 +39,7 @@ function M.fn(opts)
       relative_size = "+" .. relative_size
     end
 
-    explorer.view:resize(relative_size)
+    view.resize(relative_size)
     return
   end
 end

lua/nvim-tree/actions/tree/toggle.lua

@@ -1,5 +1,5 @@
-local core = require("nvim-tree.core")
 local lib = require("nvim-tree.lib")
+local view = require("nvim-tree.view")
 local finders_find_file = require("nvim-tree.actions.finders.find-file")
 
 local M = {}
@@ -10,8 +10,6 @@ local M = {}
 ---@param cwd boolean|nil legacy -> opts.path
 ---@param bang boolean|nil legacy -> opts.update_root
 function M.fn(opts, no_focus, cwd, bang)
-  local explorer = core.get_explorer()
-
   -- legacy arguments
   if type(opts) == "boolean" then
     opts = {
@@ -42,9 +40,9 @@ function M.fn(opts, no_focus, cwd, bang)
     opts.path = nil
   end
 
-  if explorer and explorer.view:is_visible() then
+  if view.is_visible() then
     -- close
-    explorer.view:close(nil, "toggle.fn")
+    view.close()
   else
     -- open
     lib.open({