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fix scrollToCenter when no elements supplied (#1222)
* fix scrollToCenter when no elements supplied * make getCommonBounds return default values on empty elements
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2 changed files with 11 additions and 0 deletions
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@ -187,6 +187,10 @@ export function getArrowPoints(
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}
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export function getCommonBounds(elements: readonly ExcalidrawElement[]) {
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if (!elements.length) {
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return [0, 0, 0, 0];
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}
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let minX = Infinity;
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let maxX = -Infinity;
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let minY = Infinity;
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@ -9,6 +9,13 @@ export function normalizeScroll(pos: number) {
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export function calculateScrollCenter(
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elements: readonly ExcalidrawElement[],
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): { scrollX: FlooredNumber; scrollY: FlooredNumber } {
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if (!elements.length) {
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return {
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scrollX: normalizeScroll(0),
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scrollY: normalizeScroll(0),
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};
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}
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const [x1, y1, x2, y2] = getCommonBounds(elements);
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const centerX = (x1 + x2) / 2;
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