Function prepareRoute

lib/route.js:141–169

({ method, url, options, handler, isFastify })

  // Convert shorthand to extended route declaration
  function prepareRoute ({ method, url, options, handler, isFastify }) {
    if (typeof url !== 'string') {
      throw new FST_ERR_INVALID_URL(typeof url)
    }

    if (!handler && typeof options === 'function') {
      handler = options // for support over direct function calls such as fastify.get() options are reused as the handler
      options = {}
    } else if (handler && typeof handler === 'function') {
      if (Object.prototype.toString.call(options) !== '[object Object]') {
        throw new FST_ERR_ROUTE_OPTIONS_NOT_OBJ(method, url)
      } else if (options.handler) {
        if (typeof options.handler === 'function') {
          throw new FST_ERR_ROUTE_DUPLICATED_HANDLER(method, url)
        } else {
          throw new FST_ERR_ROUTE_HANDLER_NOT_FN(method, url)
        }
      }
    }

    options = Object.assign({}, options, {
      method,
      url,
      path: url,
      handler: handler || (options && options.handler)
    })

    return route.call(this, { options, isFastify })
  }

  function hasRoute ({ options }) {
    const normalizedMethod = options.method?.toUpperCase() ?? ''