fix: synchronous file creation

allows cursor to be set when finishing
fixes #806

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

@@ -24,16 +24,13 @@ local function create_file(file)
       return
     end
   end
-  uv.fs_open(file, "w", 420, vim.schedule_wrap(function(err, fd)
-    if err then
+  local ok, fd = pcall(uv.fs_open, file, "w", 420)
+  if not ok then
     a.nvim_err_writeln('Couldn\'t create file '..file)
-    else
+    return
+  end
   uv.fs_close(fd)
   events._dispatch_file_created(file)
-      lib.refresh_tree()
-      focus_file(file)
-    end
-  end))
 end
 
 local function get_num_entries(iter)
@@ -98,8 +95,9 @@ function M.fn(node)
     a.nvim_out_write(ans..' was properly created\n')
   end
   events._dispatch_folder_created(ans)
-  lib.refresh_tree()
+  lib.refresh_tree(function()
     focus_file(ans)
+  end)
 end
 
 return M

lua/nvim-tree/lib.lua

@@ -150,7 +150,7 @@ local function refresh_nodes(node, projects)
 end
 
 local event_running = false
-function M.refresh_tree()
+function M.refresh_tree(callback)
   if event_running or not M.Tree.cwd or vim.v.exiting ~= vim.NIL then
     return
   end
@@ -160,6 +160,9 @@ function M.refresh_tree()
     refresh_nodes(M.Tree, projects)
     if view.win_open() then
       M.redraw()
+      if callback then
+        callback()
+      end
     end
     diagnostics.update()
     event_running = false