!function(t){if(void 0===t.metadata)throw"jsTree metadata: jQuery metadata plugin not included.";t.extend(t.tree.plugins,{metadata:{defaults:{attribute:"data"},callbacks:{check:function(a,e,d,i){var n=t.extend(!0,{},t.tree.plugins.metadata.defaults,this.settings.plugins.metadata);if(void 0!==t(e).metadata({type:"attr",name:n.attribute})[a])return t(e).metadata()[a]}}}})}(jQuery);