Dart: How to Truncate String and add Ellipsis after character number

Question

I'd like to add Ellipsis to a string after a certain character length and if the string length is not up to the character preset character length, the ellipsis (...) Should NOT be added.

How do i achieve this in Dart Language?

Answer 1

You could do something like this:

String truncateWithEllipsis(int cutoff, String myString) {
  return (myString.length <= cutoff)
    ? myString
    : '${myString.substring(0, cutoff)}...';
}