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21 lines
870 B
21 lines
870 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 bind = require('../internals/function-bind-context');
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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.find` 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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find: function find(callbackfn /* , thisArg */) {
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var set = anObject(this);
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var iterator = getSetIterator(set);
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var boundFunction = bind(callbackfn, arguments.length > 1 ? arguments[1] : undefined, 3);
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return iterate(iterator, function (value, stop) {
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if (boundFunction(value, value, set)) return stop(value);
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}, { IS_ITERATOR: true, INTERRUPTED: true }).result;
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}
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});
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