A wrapper for potentially malformed JSON objects

OptionallyDecodable.swift

struct OptionallyDecodable<Value: Decodable>: Decodable {
    let value: Value?

    init(from decoder: Decoder) throws {
        do {
            let container = try decoder.singleValueContainer()
            self.value = try container.decode(Value.self)
        } catch {
            self.value = nil
        }
    }
}