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19 lines
659 B
19 lines
659 B
4 weeks ago
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'use strict';
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var $ = require('../internals/export');
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var aWeakSet = require('../internals/a-weak-set');
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var remove = require('../internals/weak-set-helpers').remove;
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// `WeakSet.prototype.deleteAll` method
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// https://github.com/tc39/proposal-collection-methods
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$({ target: 'WeakSet', proto: true, real: true, forced: true }, {
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deleteAll: function deleteAll(/* ...elements */) {
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var collection = aWeakSet(this);
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var allDeleted = true;
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var wasDeleted;
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for (var k = 0, len = arguments.length; k < len; k++) {
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wasDeleted = remove(collection, arguments[k]);
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allDeleted = allDeleted && wasDeleted;
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} return !!allDeleted;
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}
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});
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