nodeMetaById method
Implementation
NodeMeta nodeMetaById(String nodeId) {
assertValidId(nodeId);
if (nodeId == rootNodeId) {
return NodeMeta(
id: rootNodeId,
title: title,
data: data,
isPositionLocked: true,
center: Offset.zero,
size: size,
);
}
return nodeMetas[nodeId]!;
}