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SES And ShadowRealm Runtime

Experimental status

Section titled “Experimental status”

SES/ShadowRealm integration is experimental. @omnicajs/vue-remote can be adapted to this model, but full support is not guaranteed and depends on host runtime capabilities.

Why consider it

Section titled “Why consider it”
  • capability-oriented sandboxing in one process;
  • tighter authority boundaries than plain in-memory integration;
  • potential fit for high-control extension runtimes.

Reality check

Section titled “Reality check”
  1. Runtime availability varies by platform and tooling.
  2. Third-party packages may require adaptation.
  3. You still need a robust bridge for channel messages and lifecycle.

Conceptual integration pattern

Section titled “Conceptual integration pattern”
// Pseudocode: adapter shape depends on SES/ShadowRealm implementation.


const realm = createRealm()


const bridge = createRealmBridge(realm) // implements MessageEndpoint-like behavior
const endpoint = createEndpoint<RemoteApi>(bridge)


await endpoint.call.run(receiver.receive, hostBridge)

Guidance

Section titled “Guidance”
  1. Treat this as R&D or controlled pilot capability.
  2. Maintain strict capability allowlists for realm-exposed APIs.
  3. Preserve standard run/release and cleanup semantics.
  4. Keep a fallback transport for production rollout.
Section titled “Related docs”