25 lines
889 B
JavaScript
25 lines
889 B
JavaScript
'use strict';
|
|
var IS_PURE = require('../internals/is-pure');
|
|
var $ = require('../internals/export');
|
|
var uncurryThis = require('../internals/function-uncurry-this');
|
|
var anObject = require('../internals/an-object');
|
|
var toString = require('../internals/to-string');
|
|
var getSetIterator = require('../internals/get-set-iterator');
|
|
var iterate = require('../internals/iterate');
|
|
|
|
var arrayJoin = uncurryThis([].join);
|
|
var push = [].push;
|
|
|
|
// `Set.prototype.join` method
|
|
// https://github.com/tc39/proposal-collection-methods
|
|
$({ target: 'Set', proto: true, real: true, forced: IS_PURE }, {
|
|
join: function join(separator) {
|
|
var set = anObject(this);
|
|
var iterator = getSetIterator(set);
|
|
var sep = separator === undefined ? ',' : toString(separator);
|
|
var result = [];
|
|
iterate(iterator, push, { that: result, IS_ITERATOR: true });
|
|
return arrayJoin(result, sep);
|
|
}
|
|
});
|