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Last change
on this file was d24f17c, checked in by Aleksandar Panovski <apano77@…>, 15 months ago |
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File size:
733 bytes
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[d24f17c] | 1 | 'use strict';
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| 2 | var $ = require('../internals/export');
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| 3 | var iterate = require('../internals/iterate');
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| 4 | var aCallable = require('../internals/a-callable');
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| 5 | var anObject = require('../internals/an-object');
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| 6 | var getIteratorDirect = require('../internals/get-iterator-direct');
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| 7 |
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| 8 | // `Iterator.prototype.find` method
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| 9 | // https://github.com/tc39/proposal-iterator-helpers
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| 10 | $({ target: 'Iterator', proto: true, real: true }, {
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| 11 | find: function find(predicate) {
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| 12 | anObject(this);
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| 13 | aCallable(predicate);
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| 14 | var record = getIteratorDirect(this);
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| 15 | var counter = 0;
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| 16 | return iterate(record, function (value, stop) {
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| 17 | if (predicate(value, counter++)) return stop(value);
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| 18 | }, { IS_RECORD: true, INTERRUPTED: true }).result;
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| 19 | }
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| 20 | });
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