1 | 'use strict';
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2 | var $ = require('../internals/export');
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3 | var isArray = require('../internals/is-array');
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4 |
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5 |
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6 | var isFrozen = Object.isFrozen;
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7 |
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8 | var isFrozenStringArray = function (array, allowUndefined) {
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9 | if (!isFrozen || !isArray(array) || !isFrozen(array)) return false;
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10 | var index = 0;
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11 | var length = array.length;
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12 | var element;
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13 | while (index < length) {
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14 | element = array[index++];
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15 | if (!(typeof element == 'string' || (allowUndefined && element === undefined))) {
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16 | return false;
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17 | }
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18 | } return length !== 0;
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19 | };
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20 |
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21 |
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22 |
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23 | $({ target: 'Array', stat: true, sham: true, forced: true }, {
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24 | isTemplateObject: function isTemplateObject(value) {
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25 | if (!isFrozenStringArray(value, true)) return false;
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26 | var raw = value.raw;
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27 | return raw.length === value.length && isFrozenStringArray(raw, false);
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28 | }
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29 | });
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