Every new tab / session at http://node.module.club a new diff record is created. to recover diffs paste something like this into the editor and compile [SHIFT-ENTER]:

gistfile1.txt

allDiffs = store.getAll()
aDiffs = store.get('1427230082405_diffs')
console.log(aDiffs, getDiffByIndex(aDiffs.length - 1))
function getDiffByIndex(index){
	var str = '';
	for(var x = 0; x < index; x++) {
	  str =	diff.applyPatch(str, aDiffs[x].diff)
	}
	return str
}