Function filesCoverageToTree

packages/utils/src/lib/coverage-tree.ts:29–55

(
  files: FileCoverage[],
  gitRoot: string,
  title?: string,
)

};

export function filesCoverageToTree(
  files: FileCoverage[],
  gitRoot: string,
  title?: string,
): CoverageTree {
  const normalizedFiles = files.map(file => ({
    ...file,
    path: formatGitPath(file.path, gitRoot),
  }));

  const filesTree = normalizedFiles.reduce<FileTree>(
    (acc, coverage) => {
      const { folders, file } = splitFilePath(coverage.path);
      return addNode(acc, folders, file, coverage);
    },
    { name: '.', children: [] },
  );

  const coverageTree = calculateTreeCoverage(filesTree);
  const root = sortCoverageTree(coverageTree);

  return {
    type: 'coverage',
    ...(title && { title }),
    root,
  };
}

function addNode(
  root: FileTree,