Characters skipLast()

in lib/src/characters_impl.dart [314:332]

• 19 lines of code
• 6 McCabe index (conditional complexity)

  Characters skipLast(int count) {
    RangeError.checkNotNegative(count, "count");
    if (count == 0) return this;
    if (string.isNotEmpty) {
      var breaks = BackBreaks(string, string.length, 0, stateEoTNoBreak);
      var endIndex = string.length;
      while (count > 0) {
        var index = breaks.nextBreak();
        if (index >= 0) {
          endIndex = index;
          count--;
        } else {
          return Characters.empty;
        }
      }
      if (endIndex > 0) return StringCharacters(string.substring(0, endIndex));
    }
    return Characters.empty;
  }