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

   1 'use strict';
   2 var $ = require('../internals/export');
   3 var IS_PURE = require('../internals/is-pure');
   4 var anObject = require('../internals/an-object');
   5 var getMapIterator = require('../internals/get-map-iterator');
   6 var iterate = require('../internals/iterate');
   7
   8 // `Map.prototype.includes` method
   9 // https://github.com/tc39/proposal-collection-methods
  10 $({ target: 'Map', proto: true, real: true, forced: IS_PURE }, {
  11   keyOf: function keyOf(searchElement) {
  12     return iterate(getMapIterator(anObject(this)), function (key, value) {
  13       if (value === searchElement) return iterate.stop(key);
  14     }, undefined, true, true).result;
  15   }
  16 });