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20 lines
714 B
20 lines
714 B
4 years ago
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'use strict';
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var $ = require('../internals/export');
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var IS_PURE = require('../internals/is-pure');
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var anObject = require('../internals/an-object');
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var getSetIterator = require('../internals/get-set-iterator');
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var iterate = require('../internals/iterate');
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// `Set.prototype.join` method
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// https://github.com/tc39/proposal-collection-methods
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$({ target: 'Set', proto: true, real: true, forced: IS_PURE }, {
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join: function join(separator) {
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var set = anObject(this);
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var iterator = getSetIterator(set);
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var sep = separator === undefined ? ',' : String(separator);
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var result = [];
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iterate(iterator, result.push, { that: result, IS_ITERATOR: true });
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return result.join(sep);
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}
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});
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