Sha256: d8eb31daf8fc403f19438a83f435ad150920b22f2b991d6341b3df222439e6cd
Contents?: true
Size: 1.09 KB
Versions: 12
Compression:
Stored size: 1.09 KB
Contents
'use strict';
var $ = require('../internals/export');
var IS_PURE = require('../internals/is-pure');
var getBuiltIn = require('../internals/get-built-in');
var anObject = require('../internals/an-object');
var aFunction = require('../internals/a-function');
var bind = require('../internals/bind-context');
var speciesConstructor = require('../internals/species-constructor');
var getSetIterator = require('../internals/get-set-iterator');
var iterate = require('../internals/iterate');
// `Set.prototype.map` method
// https://github.com/tc39/proposal-collection-methods
$({ target: 'Set', proto: true, real: true, forced: IS_PURE }, {
map: function map(callbackfn /* , thisArg */) {
var set = anObject(this);
var iterator = getSetIterator(set);
var boundFunction = bind(callbackfn, arguments.length > 1 ? arguments[1] : undefined, 3);
var newSet = new (speciesConstructor(set, getBuiltIn('Set')))();
var adder = aFunction(newSet.add);
iterate(iterator, function (value) {
adder.call(newSet, boundFunction(value, value, set));
}, undefined, false, true);
return newSet;
}
});
Version data entries
12 entries across 12 versions & 4 rubygems