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Add support for holes to @turf/mask#2346

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rowanwins wants to merge 4 commits into
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mask-enhancement
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Add support for holes to @turf/mask#2346
rowanwins wants to merge 4 commits into
masterfrom
mask-enhancement

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@rowanwins
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@rowanwins rowanwins commented Oct 9, 2022

Currently @turf/mask ignores holes. The PR adds an options argument to the operation with an ignoreHoles option, when set to false a MultiPolygon is returned with the holes written as outer-rings in the MultiPolygon.

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Resolves #2230

@smallsaucepan
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Hi @rowanwins. Will try to revive this PR. Would you agree (current behaviour aside) that the default behaviour of mask should be to include holes? That seems most intuitive to me.

If you agree will keep the PR as is to maintain existing behaviour, however add a note to default ignoreHoles to false as a breaking change for v8.

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Incorrect @turf/intersect result with polygon holes

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