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24 lines
743 B
24 lines
743 B
4 weeks ago
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'use strict';
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var $ = require('../internals/export');
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var uncurryThis = require('../internals/function-uncurry-this');
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var aSet = require('../internals/a-set');
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var iterate = require('../internals/set-iterate');
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var toString = require('../internals/to-string');
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var arrayJoin = uncurryThis([].join);
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var push = uncurryThis([].push);
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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: true }, {
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join: function join(separator) {
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var set = aSet(this);
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var sep = separator === undefined ? ',' : toString(separator);
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var array = [];
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iterate(set, function (value) {
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push(array, value);
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});
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return arrayJoin(array, sep);
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}
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});
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