[Swift] DateFormatter을 사용하여 string을 date형식으로 변환하기

//2022-10-3 >> 10/3
 
func formattingDateString(_ dateString: String) -> String {
    let formatter = DateFormatter()
    formatter.dateFormat = "yyyy-MM-dd "
    if let date = formatter.date(from: dateString) {
        formatter.dateFormat = "M/d"
        return formatter.string(from: date)
    } else { return "" }
}

https://developer.apple.com/documentation/foundation/dateformatter

Apple Developer Documentation