Decoding Extensions

DecodingExtension.swift

extension KeyedDecodingContainer where K : CodingKey {
    
    func decodeArrayWithOptionalElements<T>(_ type: [T].Type, forKey key: KeyedDecodingContainer<K>.Key) throws -> [T] where T : Decodable {
        return (try decode([DecodableContainer<T>].self, forKey: key)).compactMap { $0.value }
    }
    
}

extension JSONDecoder {
    
    func decodeArrayWithOptionalElements<T>(_ type: [T].Type, from data: Data) throws -> [T] where T : Decodable {
        return (try decode([DecodableContainer<T>].self, from: data)).compactMap { $0.value }
    }
    
}