Labels with various sizes:
const sizes = Array(20).fill(0).map((n, i) => i + 1)
canvas.node(1).add({
size: 70,
labels: { 0: { remove: true } }
}).labels(sizes).data(sizes).add({
color: 'white',
rotate: true,
radius: s => s * 2,
angle: (_, i) => -i * 360 * 2 / sizes.length + 90,
size: s => s
})