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Guard dygraph touch handlers against invalid touch targets - #237
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A touch whose target has no getBoundingClientRect threw inside dygraph's startTouch before initialTouches was set, and every later touchmove then read pageX of undefined. Skip delegation for such touches, clear the stale context, and do the same on touchend where dygraph re-enters startTouch.
kapantzak
approved these changes
Sep 24, 2026
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A touch whose target has no getBoundingClientRect threw inside dygraph's startTouch before initialTouches was set, and every later touchmove then read pageX of undefined. Skip delegation for such touches, clear the stale context, and do the same on touchend where dygraph re-enters startTouch.