Method mergeCoverage

lib/internal/test_runner/coverage.js:520–537

(merged, coverage)

  }

  mergeCoverage(merged, coverage) {
    for (let i = 0; i < coverage.length; ++i) {
      const newScript = coverage[i];
      const { url } = newScript;

      if (this.shouldSkipFileCoverage(url)) {
        continue;
      }

      const oldScript = merged.get(url);

      if (oldScript === undefined) {
        merged.set(url, newScript);
      } else {
        mergeCoverageScripts(oldScript, newScript);
      }
    }
  }

  shouldSkipFileCoverage(url) {
    const cached = this.#skipCache.get(url);