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1 //>>excludeStart("exclude", pragmas.exclude);
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2 define([ "shoestring" ], function(){
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3 //>>excludeEnd("exclude");
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4
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5 /**
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6 * Iterates over `shoestring` collections.
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7 *
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8 * @param {function} callback The callback to be invoked on each element and index
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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.each = function( callback ){
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13 return shoestring.each( this, callback );
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14 };
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15
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16 shoestring.each = function( collection, callback ) {
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17 var val;
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18 //>>includeStart("development", pragmas.development);
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19 if( !( "length" in collection ) ) {
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20 shoestring.error( 'each-length' );
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21 }
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22 //>>includeEnd("development");
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23 for( var i = 0, il = collection.length; i < il; i++ ){
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24 val = callback.call( collection[i], i, collection[i] );
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25 if( val === false ){
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26 break;
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27 }
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28 }
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29
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30 return collection;
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31 };
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32
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33 //>>excludeStart("exclude", pragmas.exclude);
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34 });
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35 //>>excludeEnd("exclude");
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