src/css/addGetHookIf.js

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