main
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Last change
on this file since d24f17c was d24f17c, checked in by Aleksandar Panovski <apano77@…>, 15 months ago |
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Initial commit
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Property mode
set to
100644
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File size:
570 bytes
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| 1 | 'use strict';
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| 2 | var classof = require('../internals/classof');
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| 3 | var hasOwn = require('../internals/has-own-property');
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| 4 | var isNullOrUndefined = require('../internals/is-null-or-undefined');
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| 5 | var wellKnownSymbol = require('../internals/well-known-symbol');
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| 6 | var Iterators = require('../internals/iterators');
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| 7 |
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| 8 | var ITERATOR = wellKnownSymbol('iterator');
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| 9 | var $Object = Object;
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| 10 |
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| 11 | module.exports = function (it) {
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| 12 | if (isNullOrUndefined(it)) return false;
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| 13 | var O = $Object(it);
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| 14 | return O[ITERATOR] !== undefined
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| 15 | || '@@iterator' in O
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| 16 | || hasOwn(Iterators, classof(O));
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| 17 | };
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