dateDecodingFormatters.swift

dateDecodingFormatters.swift

extension JSONDecoder {
    var dateDecodingFormatters: [DateFormatter]? {
        get { return nil }
        set {
            guard let formatters = newValue else { return }
            self.dateDecodingStrategy = .custom { decoder in
                let container = try decoder.singleValueContainer()
                let dateString = try container.decode(String.self)
                
                for formatter in formatters {
                    if let date = formatter.date(from: dateString) {
                        return date
                    }
                }
                
                return Date.invalid
				
            }
        }
    }
}

extension Date {
    // The distancePast display text is "0001/01/01", which is an invalid date replacement since we must return non optional date in dateDecodingStrategy.
    static var invalid: Date { .distantPast }
}