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1 //>>excludeStart("exclude", pragmas.exclude);
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2 define([], function(){
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3 //>>excludeEnd("exclude");
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4
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5 /**
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6 * The shoestring object constructor.
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7 *
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8 * @param {string,object} prim The selector to find or element to wrap.
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9 * @param {object} sec The context in which to match the `prim` selector.
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10 * @returns shoestring
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11 * @this window
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12 */
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13 function shoestring( prim, sec ){
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14 var pType = typeof( prim ),
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15 ret = [],
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16 sel;
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17
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18 // return an empty shoestring object
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19 if( !prim ){
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20 return new Shoestring( ret );
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21 }
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22
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23 // ready calls
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24 if( prim.call ){
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25 return shoestring.ready( prim );
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26 }
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27
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28 // handle re-wrapping shoestring objects
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29 if( prim.constructor === Shoestring && !sec ){
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30 return prim;
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31 }
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32
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33 // if string starting with <, make html
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34 if( pType === "string" && prim.indexOf( "<" ) === 0 ){
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35 var dfrag = doc.createElement( "div" );
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36
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37 dfrag.innerHTML = prim;
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38
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39 // TODO depends on children (circular)
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40 return shoestring( dfrag ).children().each(function(){
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41 dfrag.removeChild( this );
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42 });
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43 }
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44
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45 // if string, it's a selector, use qsa
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46 if( pType === "string" ){
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47 if( sec ){
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48 return shoestring( sec ).find( prim );
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49 }
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50
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51 //>>includeStart("development", pragmas.development);
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52 try {
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53 //>>includeEnd("development");
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54 sel = doc.querySelectorAll( prim );
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55 //>>includeStart("development", pragmas.development);
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56 } catch( e ) {
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57 shoestring.error( 'queryselector', prim );
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58 }
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59 //>>includeEnd("development");
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60
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61 return new Shoestring( sel, prim );
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62 }
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63
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64 // array like objects or node lists
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65 if( Object.prototype.toString.call( pType ) === '[object Array]' ||
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66 (win.NodeList && prim instanceof win.NodeList) ){
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67
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68 return new Shoestring( prim, prim );
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69 }
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70
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71 // if it's an array, use all the elements
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72 if( prim.constructor === Array ){
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73 return new Shoestring( prim, prim );
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74 }
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75
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76 // otherwise assume it's an object the we want at an index
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77 return new Shoestring( [prim], prim );
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78 }
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79
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80 var Shoestring = function( ret, prim ) {
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81 this.length = 0;
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82 this.selector = prim;
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83 shoestring.merge(this, ret);
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84 };
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85
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86 // TODO only required for tests
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87 Shoestring.prototype.reverse = [].reverse;
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88
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89 // For adding element set methods
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90 shoestring.fn = Shoestring.prototype;
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91
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92 shoestring.Shoestring = Shoestring;
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93
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94 // For extending objects
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95 // TODO move to separate module when we use prototypes
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96 shoestring.extend = function( first, second ){
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97 for( var i in second ){
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98 if( second.hasOwnProperty( i ) ){
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99 first[ i ] = second[ i ];
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100 }
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101 }
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102
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103 return first;
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104 };
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105
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106 // taken directly from jQuery
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107 shoestring.merge = function( first, second ) {
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108 var len, j, i;
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109
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110 len = +second.length,
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111 j = 0,
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112 i = first.length;
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113
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114 for ( ; j < len; j++ ) {
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115 first[ i++ ] = second[ j ];
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116 }
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117
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118 first.length = i;
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119
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120 return first;
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121 };
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122
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123 // expose
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124 win.shoestring = shoestring;
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125
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126 //>>excludeStart("exclude", pragmas.exclude);
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127 });
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128 //>>excludeEnd("exclude");
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