src/components/icon/js/iconService.js
function isIcon(target) {
    return angular.isDefined(target.element) && angular.isDefined(target.config);
  }
function isIcon(target) {
    return angular.isDefined(target.element) && angular.isDefined(target.config);
  }
function isIcon ( target ) { return angular . isDefined ( target . element ) && angular . isDefined ( target . config ) ; }
Check target signature to see if it is an Icon instance.
@param {Icon|Element} target
@returns {boolean} true if the specified target is an Icon object, false otherwise.
Check target signature to see if it is an Icon instance .