Function aggregateChildCoverage

packages/utils/src/lib/coverage-tree.ts:124–138

(
  nodes: FileTree[],
  cache = new Map<FolderNode, CoverageStats>(),
)

}

function aggregateChildCoverage(
  nodes: FileTree[],
  cache = new Map<FolderNode, CoverageStats>(),
): CoverageStats {
  return nodes.reduce<CoverageStats>(
    (acc, node) => {
      const stats = getNodeCoverageStats(node, cache);
      return {
        covered: acc.covered + stats.covered,
        total: acc.total + stats.total,
      };
    },
    { covered: 0, total: 0 },
  );
}

function getNodeCoverageStats(
  node: FileTree,