Subscribe to a space's properties with reactive updates. Returns undefined if the space is undefined or not ready yet. Automatically waits for the space to be ready before returning properties.
The space ID to get properties from (can be undefined).
A tuple of [snapshot, updateCallback] or [undefined, no-op] if not ready.
Subscribe to a space's properties with reactive updates. Returns undefined if the space is undefined or not ready yet. Automatically waits for the space to be ready before returning properties.