SpaceVim/bundle/nvim-lspconfig/lua/lspconfig/server_configurations/zk.lua

local util = require 'lspconfig.util'

return {
  default_config = {
    cmd = { 'zk', 'lsp' },
    filetypes = { 'markdown' },
    root_dir = util.root_pattern '.zk',
  },
  commands = {
    ZkIndex = {
      function()
        vim.lsp.buf.execute_command {
          command = 'zk.index',
          arguments = { vim.api.nvim_buf_get_name(0) },
        }
      end,
      description = 'Index',
    },
    ZkNew = {
      function(...)
        vim.lsp.buf_request(
          0,
          'workspace/executeCommand',
          {
            command = 'zk.new',
            arguments = {
              vim.api.nvim_buf_get_name(0),
              ...,
            },
          },
          util.compat_handler(function(_, result, _, _)
            if not (result and result.path) then
              return
            end
            vim.cmd('edit ' .. result.path)
          end)
        )
      end,

      description = 'ZkNew',
    },
  },
  docs = {
    description = [[
github.com/mickael-menu/zk

A plain text note-taking assistant
]],
    default_config = {
      root_dir = [[root_pattern(".zk")]],
    },
  },
}