Function flatten

packages/utils/src/lib/text-formats/ascii/tree.ts:106–114

(
  node: TreeNode,
  level = 0,
)

}

function flatten(
  node: TreeNode,
  level = 0,
): { node: TreeNode; level: number }[] {
  return [
    { node, level },
    ...(node.children?.flatMap(child => flatten(child, level + 1)) ?? []),
  ];
}

function coveragePercentage(coverage: number): string {
  return (coverage * 100).toFixed(2);