.config/coc/extensions/node_modules/coc-prettier/node_modules/core-js/modules/esnext.set.is-subset-of.js

   1 'use strict';
   2 var $ = require('../internals/export');
   3 var IS_PURE = require('../internals/is-pure');
   4 var getBuiltIn = require('../internals/get-built-in');
   5 var anObject = require('../internals/an-object');
   6 var aFunction = require('../internals/a-function');
   7 var getIterator = require('../internals/get-iterator');
   8 var iterate = require('../internals/iterate');
   9
  10 // `Set.prototype.isSubsetOf` method
  11 // https://tc39.github.io/proposal-set-methods/#Set.prototype.isSubsetOf
  12 $({ target: 'Set', proto: true, real: true, forced: IS_PURE }, {
  13   isSubsetOf: function isSubsetOf(iterable) {
  14     var iterator = getIterator(this);
  15     var otherSet = anObject(iterable);
  16     var hasCheck = otherSet.has;
  17     if (typeof hasCheck != 'function') {
  18       otherSet = new (getBuiltIn('Set'))(iterable);
  19       hasCheck = aFunction(otherSet.has);
  20     }
  21     return !iterate(iterator, function (value, stop) {
  22       if (hasCheck.call(otherSet, value) === false) return stop();
  23     }, { IS_ITERATOR: true, INTERRUPTED: true }).stopped;
  24   }
  25 });