node_modules/core-js/modules/library/_set-species.js


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'use strict';
var global      = require('./_global')
  , core        = require('./_core')
  , dP          = require('./_object-dp')
  , DESCRIPTORS = require('./_descriptors')
  , SPECIES     = require('./_wks')('species');

module.exports = function(KEY){
  var C = typeof core[KEY] == 'function' ? core[KEY] : global[KEY];
  if(DESCRIPTORS && C && !C[SPECIES])dP.f(C, SPECIES, {
    configurable: true,
    get: function(){ return this; }
  });
};