refactor(#2826): singleton View class, WIP

lua/nvim-tree/explorer/init.lua

@@ -486,7 +486,7 @@ function Explorer:reload_explorer()
 
   local projects = git.reload_all_projects()
   self:refresh_nodes(projects)
-  if view.is_visible() then
+  if view.View:is_visible() then
     self.renderer:draw()
   end
   event_running = false

lua/nvim-tree/explorer/live-filter.lua

@@ -204,7 +204,7 @@ function LiveFilter:start_filtering()
   self.explorer.renderer:draw()
   local row = require("nvim-tree.core").get_nodes_starting_line() - 1
   local col = #self.prefix > 0 and #self.prefix - 1 or 1
-  view.set_cursor({ row, col })
+  view.View:set_cursor({ row, col })
   -- needs scheduling to let the cursor move before initializing the window
   vim.schedule(function()
     return create_overlay(self)