differencesAsync method

Future<ListDiffs<E>> differencesAsync(List<E> other, { String? debugName, DiffEquality? equality, ListDiffAlgorithm? algorithm, })

Implementation

Future<ListDiffs<E>> differencesAsync(List<E> other,
    {String? debugName,
    DiffEquality? equality,
    ListDiffAlgorithm? algorithm}) async {
  equality ??= DiffEquality.diffable();
  try {
    algorithm ??= const MyersDiff();
    final originalArgs = ListDiffArguments<E>.copied(this, other, equality);
    final name = "$currentIsolateName: listDiff[${debugName ?? "-"}]";
    if (isMainIsolate && this is Iterable<DiffDelegate>) {
      final arguments = ListDiffArguments<DiffDelegate>.copied(
        this.map((s) => (s as DiffDelegate).delegate),
        other.map((s) => (s as DiffDelegate).delegate),
        DiffEquality.diffable(),
        id: "${originalArgs.id}.delegate",
        debugName: "$debugName (delegate)",
      );
      final context = ListDiffContext<DiffDelegate>(algorithm, arguments,
          debugName: "$debugName (delegate)");
      final diff = await _runAsync(executeListDiff, context, name: name);

      final undelegated = diff.undelegate<E>(originalArgs);
      return undelegated;
    } else {
      final arguments = ListDiffArguments<E>.copied(this, other, equality);
      final context =
          ListDiffContext<E>(algorithm, arguments, debugName: debugName);
      if (!isMainIsolate) {
        _log.info("Running $debugName in $currentIsolateName:");
        return executeListDiff(context);
      } else {
        final diff = await _runAsync(executeListDiff, context, name: name);
        return diff.recast(originalArgs);
      }
    }
  } catch (e, stack) {
    _log.severe("$debugName setDiff $e", e, stack);
    rethrow;
  }
}