Synchronization API

createBroadcastChannelSyncSourceCopy Anchor Link

function createBroadcastChannelSyncSource<TState = unknown>(
  options: BroadcastChannelSyncSourceOptions,
): NusmSyncSource<TState>;

key must be a non-extractable HMAC-SHA-256 CryptoKey with sign and verify usage, or at least 32 random bytes for runtime import. namespace and every store storeId contribute to an opaque channel capability. The optional limits can only reduce the built-in protocol maxima.

Global and store optionsCopy Anchor Link

Every configured source requires a validator. Validators reject malformed or unsafe candidates before memory or adapter state changes. See Authenticated synchronization for lifecycle, readiness, leader election, acknowledgements, limits, quarantine, and disposal behavior.