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1 define( function() {
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2
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3 "use strict";
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4
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5 function addGetHookIf( conditionFn, hookFn ) {
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6
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7 // Define the hook, we'll check on the first run if it's really needed.
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8 return {
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9 get: function() {
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10 if ( conditionFn() ) {
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11
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12 // Hook not needed (or it's not possible to use it due
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13 // to missing dependency), remove it.
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14 delete this.get;
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15 return;
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16 }
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17
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18 // Hook needed; redefine it so that the support test is not executed again.
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19 return ( this.get = hookFn ).apply( this, arguments );
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20 }
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21 };
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22 }
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23
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24 return addGetHookIf;
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25
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26 } );
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