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18 lines
714 B
18 lines
714 B
'use strict'; |
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var $ = require('../internals/export'); |
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var call = require('../internals/function-call'); |
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var aCallable = require('../internals/a-callable'); |
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var anObject = require('../internals/an-object'); |
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var iterate = require('../internals/iterate'); |
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// `Set.prototype.isSupersetOf` method |
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// https://tc39.github.io/proposal-set-methods/#Set.prototype.isSupersetOf |
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$({ target: 'Set', proto: true, real: true, forced: true }, { |
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isSupersetOf: function isSupersetOf(iterable) { |
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var set = anObject(this); |
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var hasCheck = aCallable(set.has); |
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return !iterate(iterable, function (value, stop) { |
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if (call(hasCheck, set, value) === false) return stop(); |
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}, { INTERRUPTED: true }).stopped; |
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} |
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});
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