chart = Treemap(flare, {
value: d => d.size,
group: (d, n) => n.ancestors().slice(-2)[0].data.name,
label: (d, n) => [...d.name.split(/(?=[A-Z][a-z])/g), n.value.toLocaleString("en")].join("\n"),
title: (d, n) => `${n.ancestors().reverse().map(d => d.data.name).join(".")}\n${n.value.toLocaleString("en")}`,
link: (d, n) => `https://github.com/prefuse/Flare/blob/master/flare/src/${n.ancestors().reverse().map(d => d.data.name).join("/")}.as`,
width: 1152,
height: 1152
})