var $export = require('./_export');
var toIObject = require('./_to-iobject');
var toLength = require('./_to-length');

$export($export.S, 'String', {
  // 21.1.2.4 String.raw(callSite, ...substitutions)
  raw: function raw(callSite) {
    var tpl = toIObject(callSite.raw);
    var len = toLength(tpl.length);
    var aLen = arguments.length;
    var res = [];
    var i = 0;
    while (len > i) {
      res.push(String(tpl[i++]));
      if (i < aLen) res.push(String(arguments[i]));
    } return res.join('');
  }
});