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Last change
on this file since b738035 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
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initial commit
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| 1 | 'use strict';
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| 2 | var $ = require('../internals/export');
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| 3 | var IS_PURE = require('../internals/is-pure');
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| 4 | var anObject = require('../internals/an-object');
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| 5 | var aFunction = require('../internals/a-function');
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| 6 | var iterate = require('../internals/iterate');
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| 7 |
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| 8 | // `Set.prototype.isSupersetOf` method
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| 9 | // https://tc39.github.io/proposal-set-methods/#Set.prototype.isSupersetOf
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| 10 | $({ target: 'Set', proto: true, real: true, forced: IS_PURE }, {
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| 11 | isSupersetOf: function isSupersetOf(iterable) {
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| 12 | var set = anObject(this);
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| 13 | var hasCheck = aFunction(set.has);
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| 14 | return !iterate(iterable, function (value, stop) {
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| 15 | if (hasCheck.call(set, value) === false) return stop();
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| 16 | }, { INTERRUPTED: true }).stopped;
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| 17 | }
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| 18 | });
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