diff method
Compare configuration between two scopes and return the differences.
Implementation
List<ConfigDiff> diff(ConfigScope scope1, ConfigScope scope2) {
final map1 = _store[scope1]!;
final map2 = _store[scope2]!;
final allKeys = {...map1.keys, ...map2.keys};
final diffs = <ConfigDiff>[];
for (final key in allKeys) {
final v1 = map1[key];
final v2 = map2[key];
if (v1 != v2) {
diffs.add(
ConfigDiff(key: key, oldValue: v1, newValue: v2, scope: scope1),
);
}
}
return diffs;
}