silverstripe-framework/admin/javascript/leaktools.js

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(function($){
var getHTML = function(el) {
var clone = el.cloneNode(true);
var div = $('<div></div>');
div.append(clone);
return div.html();
}
$.leaktools = {
logDuplicateElements: function(){
var els = $('*');
var dirty = false;
els.each(function(i, a){
els.not(a).each(function(j, b){
if (getHTML(a) == getHTML(b)) {
dirty = true;
console.log(a, b);
}
})
})
if (!dirty) console.log('No duplicates found');
},
logUncleanedElements: function(clean){
$.each($.cache, function(){
var source = this.handle && this.handle.elem;
if (!source) return;
var parent = source;
while (parent && parent.nodeType == 1) parent = parent.parentNode;
if (!parent) {
console.log('Unattached', source);
console.log(this.events);
if (clean) $(source).unbind().remove();
}
else if (parent !== document) console.log('Attached, but to', parent, 'not our document', source);
})
}
};
})(jQuery);