Function applySearchMiddleware

packages/router-core/src/router.ts:3047–3060

* TODO: once caches are persisted across requests on the server, * we can cache the built middleware chain using `last(destRoutes)` as the key

({
  search,
  dest,
  destRoutes,
  _includeValidateSearch,
}: {
  search: any
  dest: { search?: unknown }
  destRoutes: ReadonlyArray<AnyRoute>
  _includeValidateSearch: boolean | undefined
})

 * we can cache the built middleware chain using `last(destRoutes)` as the key
 */
function applySearchMiddleware({
  search,
  dest,
  destRoutes,
  _includeValidateSearch,
}: {
  search: any
  dest: { search?: unknown }
  destRoutes: ReadonlyArray<AnyRoute>
  _includeValidateSearch: boolean | undefined
}) {
  const middleware = buildMiddlewareChain(destRoutes)
  return middleware(search, dest, _includeValidateSearch ?? false)
}

function buildMiddlewareChain(destRoutes: ReadonlyArray<AnyRoute>) {
  const context = {