Function numberFormatterParser

test/angular/1.7/angular.js:26814–26832

(ctrl)

}

function numberFormatterParser(ctrl) {
  ctrl.$parsers.push(function(value) {
    if (ctrl.$isEmpty(value))      return null;
    if (NUMBER_REGEXP.test(value)) return parseFloat(value);

    ctrl.$$parserName = 'number';
    return undefined;
  });

  ctrl.$formatters.push(function(value) {
    if (!ctrl.$isEmpty(value)) {
      if (!isNumber(value)) {
        throw ngModelMinErr('numfmt', 'Expected `{0}` to be a number', value);
      }
      value = value.toString();
    }
    return value;
  });
}

function parseNumberAttrVal(val) {
  if (isDefined(val) && !isNumber(val)) {