Describes the operation that initiated an internal router request.
Requests that reload fetchers as part of a navigation, revalidation, or
initialization redirect keep that initiating type. fetcherKey identifies
the fetcher being loaded, or is null when the request targets route loaders
or actions.
navigationType is the history action ("PUSH", "REPLACE", or "POP")
for navigation-initiated data requests, including reloaded fetchers. It is
null for initialization, fetcher, and revalidation requests. Manifest
requests have no navigation type.
Describes the operation that initiated an internal router request.
Requests that reload fetchers as part of a navigation, revalidation, or initialization redirect keep that initiating
type.fetcherKeyidentifies the fetcher being loaded, or isnullwhen the request targets route loaders or actions.navigationTypeis the history action ("PUSH","REPLACE", or"POP") for navigation-initiated data requests, including reloaded fetchers. It isnullfor initialization, fetcher, and revalidation requests. Manifest requests have no navigation type.