§18A.12 — synchronously peek the preloaded CauslWasmModule for
bridge (or, when omitted, the most-recently-resolved bridge), or
undefined when nothing is RESOLVED yet (it returns undefined while a
preload is still in-flight — resolved-ness is recorded in the preload's
.then, not its in-flight promise).
§18A.12 — synchronously peek the preloaded CauslWasmModule for
bridge(or, when omitted, the most-recently-resolved bridge), orundefinedwhen nothing is RESOLVED yet (it returnsundefinedwhile a preload is still in-flight — resolved-ness is recorded in the preload's.then, not its in-flight promise).