sankey = {
const sankey = d3
.sankey()
.nodeId(d => d.name)
.nodeAlign(d3.sankeyJustify)
.nodeWidth(15)
.nodePadding(10)
.extent([[1, 5], [width - 1, height - 5]]);
return ({ nodes, links }) =>
sankey({
nodes: nodes.map(d => Object.assign({}, d)),
links: links.map(d => Object.assign({}, d))
});
}
format = {
const format = d3.format(",.0f");
return data.units ? d => `${format(d)} ${data.units}` : format;
}
color = {
const color = d3.scaleOrdinal(d3.schemeCategory10);
return d => color(d.category === undefined ? d.name : d.category);
}
data = ({
nodes: [
{ name: 'LAPD Budget' },
{ name: 'LAPD Budget after cuts' },
{ name: 'Reinvested in communities of color' }
],
links: [
{
source: 'LAPD Budget',
target: 'LAPD Budget after cuts',
value: 1860000000 - 150000000
},
{
source: 'LAPD Budget',
target: 'Reinvested in communities of color',
value: 150000000
}
],
units: '$'
})
width = 500
height = 200
d3 = require("d3@5", "d3-sankey@0.12")
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