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fix crash on missing top bin #248

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merged 5 commits into from Apr 7, 2022
Merged

fix crash on missing top bin #248

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78686cf
fix https://observablehq.com/@weiglemc/demonstrating-issue-with-d3-bi…
Fil Apr 7, 2022
907b54a
nicer
Fil Apr 7, 2022
3d1b425
another test that crashes
Fil Apr 7, 2022
8d50704
in this case we had step == -1
Fil Apr 7, 2022
ce85eef
m
mbostock Apr 7, 2022
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4 changes: 3 additions & 1 deletion src/bin.js
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Expand Up @@ -84,8 +84,10 @@ export default function bin() {
if (isFinite(step)) {
if (step > 0) {
for (i = 0; i < n; ++i) {
if ((x = values[i]) != null && x0 <= x && x <= x1) {
if ((x = values[i]) != null && x0 <= x && x < x1) {
bins[Math.floor((x - x0) / step)].push(data[i]);
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} else if (x === x1) {
bins[bins.length - 1].push(data[i]);
}
}
} else if (step < 0) {
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4 changes: 4 additions & 0 deletions test/bin-test.js
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Expand Up @@ -235,6 +235,10 @@ it("bin(data) assigns floating point values to the correct bins", () => {
}
});

it("bin(data) assigns integer values to the correct bins", () => {
assert.deepStrictEqual(bin().domain([4, 5])([5]), [box([5], 4, 5)]);
});

function box(bin, x0, x1) {
bin.x0 = x0;
bin.x1 = x1;
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