ai

shared/src/serialization/serialized-fields.ts

@@ -0,0 +1,13 @@
+// Derive a serializable object's positional wire array from a single declared
+// list of field names, so toArray() and the constructor share ONE source of
+// truth for field order instead of a hand-written array that can silently drift
+// out of step with the parameters.
+//
+// deserialize reconstructs via `new Ctor(...array.slice(1))`, so the field list
+// MUST name the constructor's parameters in order. Fields a constructor
+// recomputes from others (e.g. a planet's centre/radius from its vertices) are
+// derived, not serialized, and so are deliberately absent from the list.
+export const toArrayFromFields = (
+  object: any,
+  fields: ReadonlyArray<string>,
+): Array<any> => fields.map((field) => object[field]);