fix: 🐛 harden error introspection

Author: streamich

src/json-crdt-repo/session/EditSessionFactory.ts

@@ -61,14 +61,14 @@ export class EditSessionFactory {
             const {model, cursor} = await (typeof timeoutMs === 'number'
               ? timeout(timeoutMs, repo.pull(id))
               : repo.pull(id));
-            if (remote.throwIf === 'exists') throw new Error('EXISTS');
-            const session = new EditSession(repo, id, model, cursor, opts.session);
-            session.log.end.api.autoFlush();
-            return session;
-          } catch (error) {
-            if (error instanceof Error && error.message === 'TIMEOUT') {
+              if (remote.throwIf === 'exists') throw new Error('EXISTS');
+              const session = new EditSession(repo, id, model, cursor, opts.session);
+              session.log.end.api.autoFlush();
+              return session;
+            } catch (error) {
+            if (!!error && typeof error === 'object' && (error as Record<string, unknown>).message === 'TIMEOUT') {
               if (!opts.make) throw error;
-            } else if (error instanceof Error && error.message === 'NOT_FOUND') {
+            } else if (!!error && typeof error === 'object' && ((error as Record<string, unknown>).message === 'NOT_FOUND' || (error as Record<string, unknown>).code === 'NOT_FOUND')) {
               if (remote.throwIf === 'missing') throw error;
             } else throw error;
           }