use { 'kkharji/lspsaga.nvim' }  -- nightly
use { 'kkharji/lspsaga.nvim', branch = 'nvim6.0' or 'nvim51' } -- for specific version

local lspsaga = require 'lspsaga'
lspsaga.setup { -- defaults ...
  debug = false,
  use_saga_diagnostic_sign = true,
  -- diagnostic sign
  error_sign = "",
  warn_sign = "",
  hint_sign = "",
  infor_sign = "",
  diagnostic_header_icon = "   ",
  -- code action title icon
  code_action_icon = " ",
  code_action_prompt = {
    enable = true,
    sign = true,
    sign_priority = 40,
    virtual_text = true,
  },
  finder_definition_icon = "  ",
  finder_reference_icon = "  ",
  max_preview_lines = 10,
  finder_action_keys = {
    open = "o",
    vsplit = "s",
    split = "i",
    quit = "q",
    scroll_down = "<C-f>",
    scroll_up = "<C-b>",
  },
  code_action_keys = {
    quit = "q",
    exec = "<CR>",
  },
  rename_action_keys = {
    quit = "<C-c>",
    exec = "<CR>",
  },
  definition_preview_icon = "  ",
  border_style = "single",
  rename_prompt_prefix = "➤",
  rename_output_qflist = {
    enable = false,
    auto_open_qflist = false,
  },
  server_filetype_map = {},
  diagnostic_prefix_format = "%d. ",
  diagnostic_message_format = "%m %c",
  highlight_prefix = false,
}

--- In lsp attach function
local map = vim.api.nvim_buf_set_keymap
map(0, "n", "gr", "<cmd>Lspsaga rename<cr>", {silent = true, noremap = true})
map(0, "n", "gx", "<cmd>Lspsaga code_action<cr>", {silent = true, noremap = true})
map(0, "x", "gx", ":<c-u>Lspsaga range_code_action<cr>", {silent = true, noremap = true})
map(0, "n", "K",  "<cmd>Lspsaga hover_doc<cr>", {silent = true, noremap = true})
map(0, "n", "go", "<cmd>Lspsaga show_line_diagnostics<cr>", {silent = true, noremap = true})
map(0, "n", "gj", "<cmd>Lspsaga diagnostic_jump_next<cr>", {silent = true, noremap = true})
map(0, "n", "gk", "<cmd>Lspsaga diagnostic_jump_prev<cr>", {silent = true, noremap = true})
map(0, "n", "<C-u>", "<cmd>lua require('lspsaga.action').smart_scroll_with_saga(-1, '<c-u>')<cr>", {})
map(0, "n", "<C-d>", "<cmd>lua require('lspsaga.action').smart_scroll_with_saga(1, '<c-d>')<cr>", {})