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1 //>>excludeStart("exclude", pragmas.exclude);
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2 define([ "shoestring", "dom/is" ], function( shoestring ) {
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3 //>>excludeEnd("exclude");
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4
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5 /**
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6 * Find an element matching the selector in the set of the current element and its parents.
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7 *
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8 * @param {string} selector The selector used to identify the target element.
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9 * @return shoestring
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10 * @this shoestring
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11 */
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12 shoestring.fn.closest = function( selector ){
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13 var ret = [];
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14
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15 if( !selector ){
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16 return shoestring( ret );
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17 }
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18
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19 this.each(function(){
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20 var element, $self = shoestring( element = this );
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21
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22 if( $self.is(selector) ){
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23 ret.push( this );
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24 return;
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25 }
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26
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27 while( element.parentElement ) {
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28 if( shoestring(element.parentElement).is(selector) ){
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29 ret.push( element.parentElement );
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30 break;
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31 }
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32
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33 element = element.parentElement;
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34 }
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35 });
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36
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37 return shoestring( ret );
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38 };
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39
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40 //>>excludeStart("exclude", pragmas.exclude);
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41 });
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42 //>>excludeEnd("exclude");
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