Function childrenEqual

src/react/components/GridLayout.tsx:212–225

* Compare children arrays for equality

(a: React.ReactNode, b: React.ReactNode)

 * Compare children arrays for equality
 */
function childrenEqual(a: React.ReactNode, b: React.ReactNode): boolean {
  const aArr = React.Children.toArray(a);
  const bArr = React.Children.toArray(b);

  if (aArr.length !== bArr.length) return false;

  for (let i = 0; i < aArr.length; i++) {
    const aChild = aArr[i] as ReactElement;
    const bChild = bArr[i] as ReactElement;
    if (aChild?.key !== bChild?.key) return false;
  }

  return true;
}

/**
 * Synchronize layout with children