require("luasnip.session.snippet_collection").clear_snippets "markdown"
local ls = require "luasnip"
local s = ls.snippet
local t = ls.text_node
local i = ls.insert_node
local f = ls.function_node

ls.add_snippets(
  "markdown",
  {
    s("link", {
      t("["), i(1, "description"), t("]("),
      f(function()
        local clip = vim.fn.getreg("+")
        if clip == "" then
          return "url"
        end
        return clip
      end),
      t(")"), i(0),
    }),
  })