11 lines
355 B
JavaScript
11 lines
355 B
JavaScript
'use strict';
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var isPrototypeOf = require('../../internals/object-is-prototype-of');
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var method = require('../array/virtual/unshift');
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var ArrayPrototype = Array.prototype;
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module.exports = function (it) {
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var own = it.unshift;
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return it === ArrayPrototype || (isPrototypeOf(ArrayPrototype, it) && own === ArrayPrototype.unshift) ? method : own;
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};
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