ntopng/http_src/utilities/string-utils.js

// 2014-20 - ntop.org

String.prototype.capitalizeSingleWord = function() {
  const uc = this.toUpperCase();

  if ((uc == 'ASN') || (uc == 'OS')) {
    return (uc);
  } else {
    return this.charAt(0).toUpperCase() + this.slice(1);
  }
};

String.prototype.capitalize = function() {
  const res = this.split(' ');

  for (const i in res) {
    res[i] = res[i].capitalizeSingleWord();
  }

  return (res.join(' '));
};

String.prototype.startsWith = function(string) {
  return (this.indexOf(string) === 0);
};

// "{0} to {1}".sformat(1, 10) -> "1 to 10"
String.prototype.sformat = function() {
  const args = arguments;
  let curr_arg = -1;
  return this.replace(/(\%\{.*?\})/gi, function(match) {
    curr_arg = curr_arg + 1;
	    return typeof args[curr_arg] != 'undefined' ? args[curr_arg] : match;
  });
};

if (typeof (String.prototype.contains) === 'undefined') {
  String.prototype.contains = function(s) {
    return this.indexOf(s) !== -1;
  };
}