nvim/lua/plugins/telescope.lua

return {
	{
		"nvim-telescope/telescope.nvim",
		tag = "0.1.8",
		dependencies = { "nvim-lua/plenary.nvim" },
		config = function()
			require("telescope").setup({
				defaults = {
					-- Default configuration for telescope goes here:
					-- config_key = value,
					mappings = {
						i = {
							-- map actions.which_key to <C-h> (default: <C-/>)
							-- actions.which_key shows the mappings for your picker,
							-- e.g. git_{create, delete, ...}_branch for the git_branches picker
							["<C-h>"] = "which_key",
						},
					},
				},
				pickers = {
					-- Default configuration for builtin pickers goes here:
					-- picker_name = {
					--   picker_config_key = value,
					--   ...
					-- }
					-- Now the picker_config_key will be applied every time you call this
					-- builtin picker
				},
				extensions = {
					-- Your extension configuration goes here:
					-- extension_name = {
					--   extension_config_key = value,
					-- }
					-- please take a look at the readme of the extension you want to configure
				},
			})
		end,
	},
	{
		"nvim-telescope/telescope-ui-select.nvim",
		config = function()
			-- This is your opts table
			require("telescope").setup({
				extensions = {
					["ui-select"] = {
						require("telescope.themes").get_dropdown({
							-- even more opts
						}),

						-- pseudo code / specification for writing custom displays, like the one
						-- for "codeactions"
						-- specific_opts = {
						--   [kind] = {
						--     make_indexed = function(items) -> indexed_items, width,
						--     make_displayer = function(widths) -> displayer
						--     make_display = function(displayer) -> function(e)
						--     make_ordinal = function(e) -> string
						--   },
						--   -- for example to disable the custom builtin "codeactions" display
						--      do the following
						--   codeactions = false,
						-- }
					},
				},
			})
			-- To get ui-select loaded and working with telescope, you need to call
			-- load_extension, somewhere after setup function:
			require("telescope").load_extension("ui-select")
		end,
	},
}