|
Last change
on this file since b738035 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
|
initial commit
|
-
Property mode
set to
100644
|
|
File size:
750 bytes
|
| Line | |
|---|
| 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 speciesConstructor = require('../internals/species-constructor');
|
|---|
| 8 | var iterate = require('../internals/iterate');
|
|---|
| 9 |
|
|---|
| 10 | // `Set.prototype.union` method
|
|---|
| 11 | // https://github.com/tc39/proposal-set-methods
|
|---|
| 12 | $({ target: 'Set', proto: true, real: true, forced: IS_PURE }, {
|
|---|
| 13 | union: function union(iterable) {
|
|---|
| 14 | var set = anObject(this);
|
|---|
| 15 | var newSet = new (speciesConstructor(set, getBuiltIn('Set')))(set);
|
|---|
| 16 | iterate(iterable, aFunction(newSet.add), { that: newSet });
|
|---|
| 17 | return newSet;
|
|---|
| 18 | }
|
|---|
| 19 | });
|
|---|
Note:
See
TracBrowser
for help on using the repository browser.
