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ajoslinajoslin
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fix(tap): only check classList on tap target if it has classList
Closes #1677
1 parent 1c789f8 commit 5bf7532

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Lines changed: 4 additions & 1 deletion

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‎js/utils/tap.js‎

Lines changed: 4 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -530,7 +530,10 @@ function tapHasPointerMoved(endEvent) {
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}
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var endCoordinates = getPointerCoordinates(endEvent);
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var releaseTolerance = (endEvent.target.classList.contains('button') ? TAP_RELEASE_BUTTON_TOLERANCE : TAP_RELEASE_TOLERANCE);
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var hasClassList = endEvent.target.classList && endEvent.target.classList.contains;
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var releaseTolerance = hasClassList & endEvent.target.classList.contains('button') ?
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TAP_RELEASE_BUTTON_TOLERANCE :
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TAP_RELEASE_TOLERANCE;
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return Math.abs(tapPointerStart.x - endCoordinates.x) > releaseTolerance ||
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Math.abs(tapPointerStart.y - endCoordinates.y) > releaseTolerance;

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