Mapping parseJson()

in lib/parser.dart [58:76]

• 18 lines of code
• 6 McCabe index (conditional complexity)

Mapping parseJson(Map map,
    {Map<String, Map>? otherMaps, /*String|Uri*/ Object? mapUrl}) {
  if (map['version'] != 3) {
    throw ArgumentError('unexpected source map version: ${map["version"]}. '
        'Only version 3 is supported.');
  }

  if (map.containsKey('sections')) {
    if (map.containsKey('mappings') ||
        map.containsKey('sources') ||
        map.containsKey('names')) {
      throw FormatException('map containing "sections" '
          'cannot contain "mappings", "sources", or "names".');
    }
    return MultiSectionMapping.fromJson(map['sections'], otherMaps,
        mapUrl: mapUrl);
  }
  return SingleMapping.fromJson(map, mapUrl: mapUrl);
}