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16 lines
517 B
16 lines
517 B
'use strict';
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// https://github.com/tc39/proposal-iterator-helpers
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var $ = require('../internals/export');
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var iterate = require('../internals/iterate');
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var aFunction = require('../internals/a-function');
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var anObject = require('../internals/an-object');
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$({ target: 'Iterator', proto: true, real: true }, {
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find: function find(fn) {
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anObject(this);
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aFunction(fn);
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return iterate(this, function (value) {
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if (fn(value)) return iterate.stop(value);
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}, undefined, false, true).result;
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}
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});
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