Vim / Neovim 完全指南 / 15 - Telescope 模糊搜索

{ "nvim-telescope/telescope.nvim",
    cmd = "Telescope",
    dependencies = {
        "nvim-lua/plenary.nvim",
        { "nvim-telescope/telescope-fzf-native.nvim",
            build = "make",
            config = function()
                require("telescope").load_extension("fzf")
            end,
        },
    },
    keys = {
        { "<leader>ff", "<cmd>Telescope find_files<cr>", desc = "查找文件" },
        { "<leader>fg", "<cmd>Telescope live_grep<cr>", desc = "搜索文本" },
        { "<leader>fb", "<cmd>Telescope buffers<cr>", desc = "缓冲区" },
        { "<leader>fh", "<cmd>Telescope help_tags<cr>", desc = "帮助" },
        { "<leader>fo", "<cmd>Telescope oldfiles<cr>", desc = "最近文件" },
        { "<leader>fw", "<cmd>Telescope grep_string<cr>", desc = "搜索单词" },
        { "<leader>fd", "<cmd>Telescope diagnostics<cr>", desc = "诊断" },
        { "<leader>fs", "<cmd>Telescope lsp_document_symbols<cr>", desc = "文档符号" },
        { "<leader>fr", "<cmd>Telescope resume<cr>", desc = "恢复上次搜索" },
    },
    opts = {
        defaults = {
            prompt_prefix = "  ",
            selection_caret = " ",
            path_display = { "truncate" },
            layout_config = {
                horizontal = { prompt_position = "top", preview_width = 0.55 },
                vertical = { mirror = false },
                width = 0.87,
                height = 0.80,
                preview_cutoff = 120,
            },
            sorting_strategy = "ascending",
            file_ignore_patterns = { "%.git/", "node_modules/", "__pycache__/" },
        },
    },
}

" 在 Telescope 中多选文件并批量操作
<Tab>       " 选择/取消选择
<S-Tab>     " 反向选择
<C-q>       " 将所有选中项发送到 quickfix
" 然后使用 :cdo 批量操作

-- fzf-native（更快的排序）
{ "nvim-telescope/telescope-fzf-native.nvim", build = "make" }

-- file-browser（文件管理）
{ "nvim-telescope/telescope-file-browser.nvim" }

-- ui-select（替换 vim.ui.select）
{ "nvim-telescope/telescope-ui-select.nvim" }

-- 加载扩展
require("telescope").load_extension("fzf")
require("telescope").load_extension("file_browser")
require("telescope").load_extension("ui_select")

-- 用 Telescope 替换 vim.ui.select 选择菜单
require("telescope").setup({
    extensions = {
        ["ui-select"] = {
            require("telescope.themes").get_dropdown({}),
        },
    },
})
require("telescope").load_extension("ui_select")

local pickers = require("telescope.pickers")
local finders = require("telescope.finders")
local conf = require("telescope.config").values
local actions = require("telescope.actions")
local action_state = require("telescope.actions.state")

-- 自定义 Picker：搜索 Neovim 配置文件
local function config_files()
    pickers.new({}, {
        prompt_title = "Config Files",
        finder = finders.new_oneshot_job(
            { "find", vim.fn.stdpath("config"), "-type", "f" },
            {}
        ),
        sorter = conf.generic_sorter({}),
        attach_mappings = function(prompt_bufnr, map)
            actions.select_default:replace(function()
                local selection = action_state.get_selected_entry()
                actions.close(prompt_bufnr)
                vim.cmd("edit " .. selection[1])
            end)
            return true
        end,
    }):find()
end

vim.keymap.set("n", "<leader>fc", config_files, { desc = "配置文件" })

-- 使用 dropdown 主题
vim.keymap.set("n", "<leader>ff", function()
    require("telescope.builtin").find_files({
        theme = "dropdown",
        previewer = false,
    })
end, { desc = "查找文件" })

-- 使用 ivy 主题
vim.keymap.set("n", "<leader>fg", function()
    require("telescope.builtin").live_grep({
        theme = "ivy",
    })
end, { desc = "搜索文本" })

defaults = {
    vimgrep_arguments = {
        "rg",
        "--color=never",
        "--no-heading",
        "--with-filename",
        "--line-number",
        "--column",
        "--smart-case",
        "--hidden",        -- 搜索隐藏文件
        "--glob=!.git/",   -- 排除 .git
    },
},