lsp_code_actions: 'deepcopy' fallback, 'ui_select' control opt (#353)

README.md

@@ -636,6 +636,7 @@ require'fzf-lua'.setup {
     git_icons         = false,
     lsp_icons         = true,
     severity          = "hint",
+    ui_select         = true,       -- use 'vim.ui.select' for code actions
     icons = {
       ["Error"]       = { icon = "", color = "red" },       -- error
       ["Warning"]     = { icon = "", color = "yellow" },    -- warning

doc/fzf-lua.txt

@@ -678,6 +678,7 @@ Consult the list below for available settings:
         git_icons         = false,
         lsp_icons         = true,
         severity          = "hint",
+        ui_select         = true,       -- use 'vim.ui.select' for code actions
         icons = {
           ["Error"]       = { icon = "", color = "red" },       -- error
           ["Warning"]     = { icon = "", color = "yellow" },    -- warning

lua/fzf-lua/config.lua

@@ -433,6 +433,7 @@ M.globals.lsp = {
       git_icons           = false,
       lsp_icons           = true,
       cwd_only            = false,
+      ui_select           = true,
       async_or_timeout    = 5000,
       _actions            = function() return M.globals.actions.files end,
       icons = {

lua/fzf-lua/core.lua

@@ -56,8 +56,8 @@ M.fzf = function(opts, contents)
   -- support global resume?
   if opts.global_resume then
     config.__resume_data = config.__resume_data or {}
-    config.__resume_data.opts = vim.deepcopy(opts)
-    config.__resume_data.contents = contents and vim.deepcopy(contents) or nil
+    config.__resume_data.opts = utils.deepcopy(opts)
+    config.__resume_data.contents = contents and utils.deepcopy(contents) or nil
     if not opts.__resume then
       -- since the shell callback isn't called
       -- until the user first types something

lua/fzf-lua/providers/lsp.lua

@@ -370,7 +370,7 @@ M.code_actions = function(opts)
 
   -- use `vim.ui.select` for neovim > 0.6
   -- the original method is now deprecated
-  if vim.fn.has('nvim-0.6') == 1 then
+  if opts.ui_select and vim.fn.has('nvim-0.6') == 1 then
     local ui_select = require'fzf-lua.providers.ui_select'
     opts.previewer = false
     opts.actions = opts.actions or {}

lua/fzf-lua/utils.lua

@@ -210,6 +210,15 @@ M.read_file_async = function(filepath, callback)
 end
 
 
+function M.deepcopy(t)
+  local ok, res = pcall(vim.deepcopy, t)
+  if ok then
+    return res
+  else
+    return M.tbl_deep_clone(t)
+  end
+end
+
 function M.tbl_deep_clone(t)
   if not t then return end
   local clone = {}