refactor(tool): simplify fzf-lua usage and improve lazy loading

Signed-off-by: Jint-lzxy <[email protected]>

Author: Jint-lzxy

lua/core/settings.lua

@@ -100,8 +100,9 @@ settings["background"] = "dark"
 settings["external_browser"] = "chrome-cli open"
 
 -- Set the search backend here.
--- `telescope` is sufficient for most use cases.
--- `fzf` is faster for large repositories but requires the fzf binary.
+-- `telescope` is fine for most use cases.
+-- `fzf` is faster for large repos but needs the `fzf` binary in $PATH.
+-- If missing, errors are expected until the binary is installed.
 ---@type "telescope"|"fzf"
 settings["search_backend"] = "telescope"
 

lua/keymap/completion.lua

@@ -26,8 +26,7 @@ function M.lsp(buf)
 			:with_buffer(buf)
 			:with_desc("lsp: Toggle outline"),
 		["n|gto"] = map_callback(function()
-				local search_backend = require("core.settings").search_backend
-				if search_backend == "fzf" then
+				if require("core.settings").search_backend == "fzf" then
 					local prompt_position = require("telescope.config").values.layout_config.horizontal.prompt_position
 					require("fzf-lua").lsp_document_symbols({
 						fzf_opts = { ["--layout"] = prompt_position == "top" and "reverse" or "default" },

lua/keymap/tool.lua

@@ -100,8 +100,7 @@ local mappings = {
 
 		-- Plugin: telescope
 		["n|<C-p>"] = map_callback(function()
-				local search_backend = require("core.settings").search_backend
-				if search_backend == "fzf" then
+				if require("core.settings").search_backend == "fzf" then
 					local prompt_position = require("telescope.config").values.layout_config.horizontal.prompt_position
 					require("fzf-lua").keymaps({
 						fzf_opts = { ["--layout"] = prompt_position == "top" and "reverse" or "default" },
@@ -132,20 +131,17 @@ local mappings = {
 			:with_silent()
 			:with_desc("tool: Find patterns"),
 		["v|<leader>fs"] = map_callback(function()
-				local search_backend = require("core.settings").search_backend
-				if search_backend == "fzf" then
-					local default_opts = "--column --line-number --no-heading --color=always --smart-case"
-					local opts = vim.fn.getcwd() == vim_path
-							and default_opts .. " --no-ignore --hidden --glob '!.git/*'"
-						or ""
-					local text = require("fzf-lua.utils").get_visual_selection()
+				local is_config = vim.uv.cwd() == vim_path
+				if require("core.settings").search_backend == "fzf" then
 					require("fzf-lua").grep_project({
-						search = text,
-						rg_opts = opts,
+						search = require("fzf-lua.utils").get_visual_selection(),
+						rg_opts = "--column --line-number --no-heading --color=always --smart-case"
+							.. (is_config and " --no-ignore --hidden --glob '!.git/*'" or ""),
 					})
 				else
-					local opts = vim.fn.getcwd() == vim_path and { additional_args = { "--no-ignore" } } or {}
-					require("telescope-live-grep-args.shortcuts").grep_visual_selection(opts)
+					require("telescope-live-grep-args.shortcuts").grep_visual_selection(
+						is_config and { additional_args = { "--no-ignore" } } or {}
+					)
 				end
 			end)
 			:with_noremap()
@@ -174,8 +170,7 @@ local mappings = {
 			:with_silent()
 			:with_desc("tool: Resume last search"),
 		["n|<leader>fR"] = map_callback(function()
-				local search_backend = require("core.settings").search_backend
-				if search_backend == "fzf" then
+				if require("core.settings").search_backend == "fzf" then
 					require("fzf-lua").resume()
 				end
 			end)

lua/modules/plugins/tool.lua

@@ -82,14 +82,14 @@ if settings.use_chat then
 		},
 	}
 end
-if settings.search_backend == "fzf" then
-	-- requires the fzf binary to be installed
-	tool["ibhagwan/fzf-lua"] = {
-		lazy = true,
-		event = "VeryLazy",
-		config = require("tool.fzf-lua"),
-	}
-end
+-- Needs `fzf` installed and in $PATH
+tool["ibhagwan/fzf-lua"] = {
+	lazy = true,
+	cond = (settings.search_backend == "fzf"),
+	cmd = "FzfLua",
+	config = require("tool.fzf-lua"),
+	dependencies = { "nvim-tree/nvim-web-devicons" },
+}
 
 ----------------------------------------------------------------------
 --                        Telescope Plugins                         --