oxc-project__oxc/tasks/transform_conformance/reporter.mjs

// oxlint-disable no-console

import { join as pathJoin } from "path";
import { JsonReporter } from "vitest/node";

const currentDir = pathJoin(import.meta.dirname, "./"),
  rootDir = pathJoin(currentDir, "../../"),
  vitestPath = pathJoin(rootDir, "node_modules/.pnpm/@vitest+runner@");

export default class CustomReporter extends JsonReporter {
  async writeReport(report) {
    const { testResults, numPassedTestSuites, numTotalTestSuites } = JSON.parse(report);

    const percentPassed = ((numPassedTestSuites * 100) / numTotalTestSuites).toFixed(2);
    console.log(`\nPassed: ${numPassedTestSuites} of ${numTotalTestSuites} (${percentPassed}%)`);

    if (numPassedTestSuites === numTotalTestSuites) return;

    console.log("\nFailures:");

    for (const testResult of testResults) {
      if (testResult.status === "passed") continue;

      const name = testResult.name.replace(currentDir, "./");
      const message = testResult.message
        ? testResult.message.replace(rootDir, "./")
        : testResult.assertionResults
            .flatMap((result) => result.failureMessages.map(formatMessage))
            .join("\n");
      console.log();
      console.log(name);
      console.log(message);
    }
  }
}

function formatMessage(message) {
  const lines = message.split("\n");
  const index = lines.findIndex((line) => line.includes(vitestPath));
  if (index !== -1) lines.length = index;
  return lines.map((line) => line.replace("file://", "").replace(rootDir, "./")).join("\n");
}