'use strict';
-var $ = require('../internals/export');
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 ? ',' : String(separator);
+ var sep = separator === undefined ? ',' : toString(separator);
var result = [];
- iterate(iterator, result.push, { that: result, IS_ITERATOR: true });
- return result.join(sep);
+ iterate(iterator, push, { that: result, IS_ITERATOR: true });
+ return arrayJoin(result, sep);
}
});