As per the report in #79 which was closed without a fix.
If using d3-drag in a non browser environment, such as jest + testing-library, an error will be thrown:
Error: Uncaught [TypeError: Cannot read property 'document' of null]
This comes from
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function mousedowned(event, d) { |
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if (touchending || !filter.call(this, event, d)) return; |
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var gesture = beforestart(this, container.call(this, event, d), event, d, "mouse"); |
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if (!gesture) return; |
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select(event.view) |
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.on("mousemove.drag", mousemoved, nonpassivecapture) |
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.on("mouseup.drag", mouseupped, nonpassivecapture); |
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nodrag(event.view); |
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nopropagation(event); |
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mousemoving = false; |
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mousedownx = event.clientX; |
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mousedowny = event.clientY; |
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gesture("start", event); |
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} |
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export default function(view) { |
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var root = view.document.documentElement, |
Because view is null.
Downstream issues:
I think nodrag should return early if view is null:
export default function(view) {
if(!view) {
return;
}
var root = view.document.documentElement,
selection = select(view).on("dragstart.drag", noevent, nonpassivecapture);
if ("onselectstart" in root) {
selection.on("selectstart.drag", noevent, nonpassivecapture);
} else {
root.__noselect = root.style.MozUserSelect;
root.style.MozUserSelect = "none";
}
}...at least, this works for my use case. I'll raise a PR.
As per the report in #79 which was closed without a fix.
If using d3-drag in a non browser environment, such as jest + testing-library, an error will be thrown:
This comes from
d3-drag/src/drag.js
Lines 50 to 63 in c6a7e46
d3-drag/src/nodrag.js
Lines 4 to 5 in c6a7e46
Because
viewis null.Downstream issues:
I think nodrag should return early if view is null:
...at least, this works for my use case. I'll raise a PR.