Open URL/File under cursor in normal mode w/o selection - Neovim

OpenThing.lua

local function trim_edges(s)
  return (s or ""):gsub("^%s+", ""):gsub("%s+$", "")
                 :gsub('^[\'"()<>%[%],]+', ""):gsub('[\'"()<>%[%],]+$', "")
end
local function stat(p) return vim.loop.fs_stat(p) end
function OpenThing()
  local candidates = {
    vim.fn.expand("<cfile>"),
    vim.fn.expand("<cWORD>"),
  }

  for _, raw in ipairs(candidates) do
    local text = trim_edges(raw or "")
    if text ~= "" then
      -- URL?
      local url = text:match("https?://[^%s>%\"')]+")
      if url then
        vim.fn.jobstart({ "xdg-open", url }, { detach = true })
        return
      end

      -- file[:ln[:col]]
      local file, ln, col = text:match("^([^:]+):?(%d*):?(%d*)$")
      file = trim_edges(file)
      if file ~= "" and stat(file) then
        vim.cmd("edit " .. vim.fn.fnameescape(file))
        if ln ~= "" then
          vim.api.nvim_win_set_cursor(0, { tonumber(ln), (tonumber(col) or 1) - 1 })
        end
        return
      end
    end
  end
  vim.notify("No URL or file under cursor", vim.log.levels.INFO)
end

vim.keymap.set("n", "<Leader>o", OpenThing, { noremap = true, silent = true, desc = "Open URL/file under cursor" })