.config/coc/extensions/node_modules/coc-prettier/node_modules/core-js/modules/esnext.set.map.js

   1 'use strict';
   2 var IS_PURE = require('../internals/is-pure');
   3 var $ = require('../internals/export');
   4 var getBuiltIn = require('../internals/get-built-in');
   5 var bind = require('../internals/function-bind-context');
   6 var call = require('../internals/function-call');
   7 var aCallable = require('../internals/a-callable');
   8 var anObject = require('../internals/an-object');
   9 var speciesConstructor = require('../internals/species-constructor');
  10 var getSetIterator = require('../internals/get-set-iterator');
  11 var iterate = require('../internals/iterate');
  12
  13 // `Set.prototype.map` method
  14 // https://github.com/tc39/proposal-collection-methods
  15 $({ target: 'Set', proto: true, real: true, forced: IS_PURE }, {
  16   map: function map(callbackfn /* , thisArg */) {
  17     var set = anObject(this);
  18     var iterator = getSetIterator(set);
  19     var boundFunction = bind(callbackfn, arguments.length > 1 ? arguments[1] : undefined);
  20     var newSet = new (speciesConstructor(set, getBuiltIn('Set')))();
  21     var adder = aCallable(newSet.add);
  22     iterate(iterator, function (value) {
  23       call(adder, newSet, boundFunction(value, value, set));
  24     }, { IS_ITERATOR: true });
  25     return newSet;
  26   }
  27 });