refine — the treated arms ran on the default arm's output, so the only difference is the lever
Fixture
table12
Runs
3 · shipped: median
Generated
2026-07-26
Verbatim prompt
Here is a dataset:
{
"name": "table12",
"source": "https://api.worldbank.org/v2/country/USA;JPN;DEU;BRA;IND;NGA;CHN;MEX;ZAF;FRA;IDN;EGY/indicator/SP.DYN.LE00.IN?format=json&mrnev=1 (FALLBACK: primary lichess explorer failed with \"lichess 401\"; using World Bank life expectancy at birth, 12 countries, baseline = world value)",
"fetched": "2026-07-26",
"baseline": 73.48,
"unit": "years (life expectancy at birth)",
"rows": [
{
"label": "Brazil",
"value": 76.02,
"delta": 2.54
},
{
"label": "China",
"value": 78.02,
"delta": 4.54
},
{
"label": "Germany",
"value": 80.79,
"delta": 7.31
},
{
"label": "Egypt, Arab Rep.",
"value": 71.81,
"delta": -1.67
},
{
"label": "France",
"value": 82.98,
"delta": 9.5
},
{
"label": "Indonesia",
"value": 71.29,
"delta": -2.19
},
{
"label": "India",
"value": 72.23,
"delta": -1.25
},
{
"label": "Japan",
"value": 84.04,
"delta": 10.56
},
{
"label": "Mexico",
"value": 75.26,
"delta": 1.78
},
{
"label": "Nigeria",
"value": 54.63,
"delta": -18.85
},
{
"label": "United States",
"value": 78.89,
"delta": 5.41
},
{
"label": "South Africa",
"value": 66.31,
"delta": -7.17
}
]
}
It is 12 countries' life expectancy at birth in years, and each country's difference from the World Bank world baseline of 73.48 years.
Write a chart of it as an ES module with exactly this shape:
export const meta = { fixture: "table12", width: 640, height: 400 };
export function render(svg, data) { /* mutate the passed <svg> element in place */ }
`data` is the object above. You get a real <svg> element in a jsdom document —
use svg.ownerDocument and createElementNS, or a d3 selection over it. No
network. No Date.now() or Math.random(). Return only the module code.