refactor(#2837): multi instance reload

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

@@ -2,7 +2,6 @@ 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 reload = require "nvim-tree.explorer.reload"
 local core = require "nvim-tree.core"
 local Iterator = require "nvim-tree.iterators.node-iterator"
 
@@ -13,7 +12,8 @@ local running = {}
 ---Find a path in the tree, expand it and focus it
 ---@param path string relative or absolute
 function M.fn(path)
-  if not core.get_explorer() or not view.is_visible() then
+  local explorer = core.get_explorer()
+  if not explorer or not view.is_visible() then
     return
   end
 
@@ -32,7 +32,7 @@ function M.fn(path)
 
   -- refresh the contents of all parents, expanding groups as needed
   if utils.get_node_from_path(path_real) == nil then
-    reload.refresh_parent_nodes_for_path(vim.fn.fnamemodify(path_real, ":h"))
+    explorer:refresh_parent_nodes_for_path(vim.fn.fnamemodify(path_real, ":h"))
   end
 
   local line = core.get_nodes_starting_line()

lua/nvim-tree/actions/reloaders.lua

@@ -1,21 +1,22 @@
 local git = require "nvim-tree.git"
 local view = require "nvim-tree.view"
 local renderer = require "nvim-tree.renderer"
-local explorer_module = require "nvim-tree.explorer"
 local core = require "nvim-tree.core"
 local explorer_node = require "nvim-tree.explorer.node"
 local Iterator = require "nvim-tree.iterators.node-iterator"
 
 local M = {}
 
----@param node Explorer|nil
+---@param explorer Explorer|nil
 ---@param projects table
-local function refresh_nodes(node, projects)
-  Iterator.builder({ node })
+local function refresh_nodes(explorer, projects)
+  Iterator.builder({ explorer })
     :applier(function(n)
       if n.nodes then
         local toplevel = git.get_toplevel(n.cwd or n.link_to or n.absolute_path)
-        explorer_module.reload(n, projects[toplevel] or {})
+        if explorer then
+          explorer:reload(n, projects[toplevel] or {})
+        end
       end
     end)
     :recursor(function(n)

lua/nvim-tree/core.lua

@@ -16,7 +16,7 @@ function M.init(foldername)
   if TreeExplorer then
     TreeExplorer:destroy()
   end
-  TreeExplorer = explorer.Explorer.new(foldername)
+  TreeExplorer = explorer:new(foldername)
   if not first_init_done then
     events._dispatch_ready()
     first_init_done = true