oops now it works

nvim/lua/j/plugins/telescope.lua

@@ -1,5 +1,74 @@
 return {
-    'nvim-telescope/telescope.nvim', tag = '0.1.8',
--- or                              , branch = '0.1.x',
-      dependencies = { 'nvim-lua/plenary.nvim' }
-    }
+  {
+	'nvim-telescope/telescope.nvim',
+	dependencies = {
+		{ 'BurntSushi/ripgrep', 'nvim-telescope/telescope-fzf-native.nvim', build = 'make' }
+	},
+	config = function(lazy, opts) 
+		local telescope = require('telescope')
+		telescope.load_extension('fzf')
+		telescope.setup({
+			defaults = {
+				wrap_result = true,
+				mappings = {
+					i = {
+						["<esc>"] = require("telescope.actions").close,
+						-- search history
+						["<C-Down>"] = require('telescope.actions').cycle_history_next,
+						["<C-Up>"] = require('telescope.actions').cycle_history_prev,
+					},
+				},
+				layout_strategy = "vertical",
+				layout_config = {
+					vertical = {
+						width = 0.9,
+						preview_cutoff = 10,
+					}
+				}
+			},
+			pickers = {
+				-- note: remove the 'builtin.' prefix.
+				["lsp_references"] = { wrap_results = true, },
+				["lsp_definitions"] = { wrap_results = true, },
+				["diagnostics"] = { wrap_results = true, },
+				["find_files"] = { wrap_results = true, },
+				["buffers"] = { sort_mru = true, ignore_current_buffer = true },
+			}
+		})
+	end,
+
+	keys = {
+		-- See :help telescope.builtin
+		{ '<leader>fo', function()
+			require("telescope.builtin").oldfiles {
+				prompt_title = 'Recent files',
+				sort_mru= true
+			} end,
+			desc = "Old (recent) files"},
+			{'<leader><space>', '<cmd>Telescope buffers<cr>', desc = "Buffers"},
+			{'<leader>b', '<cmd>Telescope buffers<cr>', desc = "Buffers"},
+			{'<leader>p', '<cmd>Telescope buffers<cr>', desc = "Buffers"},
+
+			{'<leader>ff', '<cmd>Telescope find_files<cr>', desc = "Find filenames"},
+			{'<leader>fm', '<cmd>Telescope marks<cr>', desc = "Marks"},
+			{'<leader>fw', '<cmd>Telescope live_grep<cr>', desc = "Grep files"},
+			{'<leader>ld', '<cmd>Telescope diagnostics<cr>', desc = "diagnostics"},
+			{"<leader>fb", function()
+				require("telescope.builtin").live_grep {
+					prompt_title = 'grep open files',
+					grep_open_files = true }
+				end, desc = "Grep open files"},
+				{"<leader>fc", function() require("telescope.builtin").current_buffer_fuzzy_find() end,  desc = "Grep this file"},
+				{"<leader>:",  function() require("telescope.builtin").command_history { prompt_title = 'Command history' } end,  desc = "cmd history"},
+				{ "<leader>ls", function()
+					local aerial_avail, _ = pcall(require, "aerial")
+					if aerial_avail then
+						require("telescope").extensions.aerial.aerial()
+					else
+						require("telescope.builtin").lsp_document_symbols()
+					end
+				end, desc = "Search symbols" },
+			}
+		}
+}
+