textCountLines function

int textCountLines(
  1. String text
)

Implementation

int textCountLines(String text) {
  if (text.isEmpty) return 1;

  var lines = 1;
  for (var i = 0; i < text.length; i++) {
    if (text.codeUnitAt(i) == 10) {
      lines++;
    }
  }
  return lines;
}