@mocanvas/editor · function
declare function isCursorInViewport(source: TLCursorViewportSource): booleanWhether the pointer is currently over the canvas.
Used to decide where a paste lands and whether an edge-scroll should start: both should follow the pointer when it is on the canvas, and fall back to the centre of the viewport when it is not — the pointer's last known position is stale and possibly far off screen once it has left.
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