refactor(#2875): multi instance renderer (#2900)

* refactor(#2875): multi instance renderer

* refactor(#2875): multi instance renderer

* refactor(#2875): multi instance renderer

* refactor(#2875): multi instance renderer

* refactor(#2875): deal with some cyclic require

* refactor(#2875): multi instance renderer

* refactor(#2875): multi instance renderer

* refactor(#2875): multi instance renderer

* refactor(#2875): multi instance renderer

* refactor(#2875): multi instance renderer

* refactor(#2875): multi instance renderer

* refactor(#2875): multi instance renderer

* refactor(#2875): multi instance renderer

* refactor(#2875): multi instance renderer

* refactor(#2875): multi instance renderer

* refactor(#2875): multi instance renderer

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

@@ -1,7 +1,6 @@
 local log = require "nvim-tree.log"
 local view = require "nvim-tree.view"
 local utils = require "nvim-tree.utils"
-local renderer = require "nvim-tree.renderer"
 local core = require "nvim-tree.core"
 local Iterator = require "nvim-tree.iterators.node-iterator"
 
@@ -76,7 +75,7 @@ function M.fn(path)
     :iterate()
 
   if found and view.is_visible() then
-    renderer.draw()
+    explorer.renderer:draw()
     view.set_cursor { line, 0 }
   end
 

lua/nvim-tree/actions/fs/clipboard.lua

@@ -4,7 +4,6 @@ local utils = require "nvim-tree.utils"
 local core = require "nvim-tree.core"
 local events = require "nvim-tree.events"
 local notify = require "nvim-tree.notify"
-local renderer = require "nvim-tree.renderer"
 
 local find_file = require("nvim-tree.actions.finders.find-file").fn
 
@@ -193,7 +192,7 @@ function Clipboard:clear_clipboard()
   self.data[ACTION.copy] = {}
   self.data[ACTION.cut] = {}
   notify.info "Clipboard has been emptied."
-  renderer.draw()
+  self.explorer.renderer:draw()
 end
 
 ---Copy one node
@@ -201,7 +200,7 @@ end
 function Clipboard:copy(node)
   utils.array_remove(self.data[ACTION.cut], node)
   toggle(node, self.data[ACTION.copy])
-  renderer.draw()
+  self.explorer.renderer:draw()
 end
 
 ---Cut one node
@@ -209,7 +208,7 @@ end
 function Clipboard:cut(node)
   utils.array_remove(self.data[ACTION.copy], node)
   toggle(node, self.data[ACTION.cut])
-  renderer.draw()
+  self.explorer.renderer:draw()
 end
 
 ---Paste cut or cop

lua/nvim-tree/actions/moves/parent.lua

@@ -1,4 +1,3 @@
-local renderer = require "nvim-tree.renderer"
 local view = require "nvim-tree.view"
 local utils = require "nvim-tree.utils"
 local core = require "nvim-tree.core"
@@ -11,11 +10,16 @@ local M = {}
 function M.fn(should_close)
   should_close = should_close or false
 
+  local explorer = core.get_explorer()
+
   return function(node)
     node = lib.get_last_group_node(node)
     if should_close and node.open then
       node.open = false
-      return renderer.draw()
+      if explorer then
+        explorer.renderer:draw()
+      end
+      return
     end
 
     local parent = utils.get_parent_of_group(node).parent
@@ -31,7 +35,9 @@ function M.fn(should_close)
     view.set_cursor { line + 1, 0 }
     if should_close then
       parent.open = false
-      renderer.draw()
+      if explorer then
+        explorer.renderer:draw()
+      end
     end
   end
 end

lua/nvim-tree/actions/root/change-dir.lua

@@ -91,7 +91,10 @@ M.force_dirchange = add_profiling_to(function(foldername, should_open_view)
   if should_open_view then
     require("nvim-tree.lib").open()
   else
-    require("nvim-tree.renderer").draw()
+    local explorer = core.get_explorer()
+    if explorer then
+      explorer.renderer:draw()
+    end
   end
 end)
 

lua/nvim-tree/actions/tree/modifiers/collapse-all.lua

@@ -1,4 +1,3 @@
-local renderer = require "nvim-tree.renderer"
 local utils = require "nvim-tree.utils"
 local core = require "nvim-tree.core"
 local lib = require "nvim-tree.lib"
@@ -46,7 +45,7 @@ function M.fn(keep_buffers)
     end)
     :iterate()
 
-  renderer.draw()
+  explorer.renderer:draw()
   utils.focus_node_or_parent(node)
 end
 

lua/nvim-tree/actions/tree/modifiers/expand-all.lua

@@ -1,5 +1,4 @@
 local core = require "nvim-tree.core"
-local renderer = require "nvim-tree.renderer"
 local Iterator = require "nvim-tree.iterators.node-iterator"
 local notify = require "nvim-tree.notify"
 local lib = require "nvim-tree.lib"
@@ -65,11 +64,14 @@ end
 
 ---@param base_node table
 function M.fn(base_node)
-  local node = base_node.nodes and base_node or core.get_explorer()
+  local explorer = core.get_explorer()
+  local node = base_node.nodes and base_node or explorer
   if gen_iterator()(node) then
     notify.warn("expansion iteration was halted after " .. M.MAX_FOLDER_DISCOVERY .. " discovered folders")
   end
-  renderer.draw()
+  if explorer then
+    explorer.renderer:draw()
+  end
 end
 
 function M.setup(opts)