drawObjectsFromJSON function
Implementation
List<DrawObject> drawObjectsFromJSON(
List encoded, List<DrawObjectAdapter> adapters) {
final adaptersMap = Map<String, DrawObjectAdapter>.fromIterable(
adapters,
key: (a) => a.typeId,
);
return encoded
.map((e) {
final typeId = e['t'] as String;
final adapter = adaptersMap[typeId];
return adapter?.fromJSON(e['d'] as Map);
})
.where((o) => o != null)
.cast<DrawObject>()
.toList();
}