1 | var hasOwn = require('./hasOwn');
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2 | var deepClone = require('../lang/deepClone');
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3 | var isObject = require('../lang/isObject');
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4 |
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5 | |
6 |
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7 |
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8 | function merge() {
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9 | var i = 1,
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10 | key, val, obj, target;
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11 |
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12 |
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13 |
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14 | target = deepClone( arguments[0] );
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15 |
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16 | while (obj = arguments[i++]) {
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17 | for (key in obj) {
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18 | if ( ! hasOwn(obj, key) ) {
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19 | continue;
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20 | }
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21 |
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22 | val = obj[key];
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23 |
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24 | if ( isObject(val) && isObject(target[key]) ){
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25 |
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26 | target[key] = merge(target[key], val);
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27 | } else {
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28 |
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29 | target[key] = deepClone(val);
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30 | }
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31 |
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32 | }
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33 | }
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34 |
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35 | return target;
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36 | }
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37 |
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38 | module.exports = merge;
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39 |
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40 |
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