convert static method

String convert(
  1. String number, {
  2. String separator = ",",
})

Implementation

static String convert(String number, {String separator = ","}) {
  String str = "";
  for (var i = number.length; i > 0;) {
    if (i > 3)
      str = separator + number.substring(i - 3, i) + str;
    else
      str = number.substring(0, i) + str;
    i = i - 3;
  }
  return str;
}