Date sort

[offaxis]

Maybe you can sort items before creating your array by day in your getFormattedData(items), like:
items.sort((itemA, itemB) => {
if(moment(itemA.ts).isBefore(itemB.ts)) {
return -1;
} else if(moment(itemB.ts).isBefore(itemA.ts)) {
return 1;
} else {
return 0;
}
}).forEach(....

[arunghosh]

Yes this can be done. But I thought it is better the consumer decide on the sort order.