| | |
| | | 'use strict'; |
| | | var $ = require('../internals/export'); |
| | | var IS_PURE = require('../internals/is-pure'); |
| | | 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 }, { |
| | | $({ target: 'Set', proto: true, real: true, forced: true }, { |
| | | 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); |
| | | } |
| | | }); |