previewOf function

String previewOf(
  1. String text, [
  2. int max = 200
])

Plain-text preview (one line, trimmed, at most max characters).

Implementation

String previewOf(String text, [int max = 200]) {
  final one = text.replaceAll(_spaceRe, ' ').trim();
  return one.length > max ? '${one.substring(0, max - 1)}…' : one;
}