Lightweight named singleton factory, intended for hot-module replacement situations. Takes a (preferably globally unique) id and factory function. If there's no value defined for id yet, calls factory to produce the singleton value and caches it. Returns singleton value.
Note: All created values will remain in the private cache until the JS process terminates or this module itself has been reloaded (though the latter shouldn't happen in an HMR workflow).
Lightweight named singleton factory, intended for hot-module replacement situations. Takes a (preferably globally unique)
idandfactoryfunction. If there's no value defined foridyet, callsfactoryto produce the singleton value and caches it. Returns singleton value.Note: All created values will remain in the private cache until the JS process terminates or this module itself has been reloaded (though the latter shouldn't happen in an HMR workflow).