Function getNxCoveragePaths

packages/plugin-coverage/src/lib/nx/coverage-paths.ts:24–73

(
  targets: string[] = ['test'],
)

 * @returns An array of coverage result information for the coverage plugin.
 */
export async function getNxCoveragePaths(
  targets: string[] = ['test'],
): Promise<CoverageResult[]> {
  const { nodes } = await loadNxProjectGraph();

  const coverageResultsPerTarget = Object.fromEntries(
    await Promise.all(
      targets.map(async (target): Promise<[string, CoverageResult[]]> => {
        const relevantNodes = Object.values(nodes).filter(graph =>
          hasNxTarget(graph, target),
        );

        return [
          target,
          await Promise.all(
            relevantNodes.map(({ data }) =>
              getCoveragePathsForTarget(data, target),
            ),
          ),
        ];
      }),
    ),
  );

  const coverageResults = Object.values(coverageResultsPerTarget).flat();

  logger.info(
    formatMetaLog(
      `Inferred ${pluralizeToken('coverage report', coverageResults.length)} from Nx projects with ${pluralize('target', targets.length)} ${
        targets.length === 1
          ? targets[0]
          : Object.entries(coverageResultsPerTarget)
              .map(([target, results]) => `${target} (${results.length})`)
              .join(' and ')
      }`,
    ),
  );
  logger.debug(
    formatMetaLog(
      coverageResults
        .map(
          result =>
            `• ${typeof result === 'string' ? result : result.resultsPath}`,
        )
        .join('\n'),
    ),
  );

  return coverageResults;
}

function hasNxTarget(
  project: ProjectGraphProjectNode,