Curve

canvas.nodes([1, 2, 3, 4, 5]).add({
    pos: (_, i) => [(i - 2) * 80, 0]
})

const curves = [
    'linear',
    'natural',
    'bundle',
    'step'
]

const edges = [[1, 2], [2, 3], [3, 4], [4, 5]]
canvas.edges(edges).data(curves).add({
    path: [[-5, 5], [5, -5]],
    curve: c => c,
    labels: c => ({ 0: {
        text: c,
        pos: [0, 8]
    }})
})