Function buildProbeTextReport

lib/internal/debugger/inspect_probe.js:256–313

(report)

// Built human-readable text output for probe reports.
function buildProbeTextReport(report) {
  const lines = [];

  for (const result of report.results) {
    if (result.event === 'hit') {
      const probe = report.probes[result.probe];
      // If Debugger.scriptParsed was missed and the URL is unknown, fall back to the user's
      // probe target text for readability. This is unlikely unless there's a bug in V8.
      const locText = (result.location.url !== undefined) ?
        formatHitLocation(result.location) : formatTargetText(probe.target);
      ArrayPrototypePush(lines, `Hit ${result.hit} at ${locText}`);
      if (result.error !== undefined) {
        ArrayPrototypePush(lines, `  [error] ${probe.expr} = ${result.error.message}`);
      } else {
        ArrayPrototypePush(lines,
                           `  ${probe.expr} = ` +
                           `${formatRemoteObject(result.result)}`);
      }
      continue;
    }

    if (result.event === 'completed') {
      ArrayPrototypePush(lines, 'Completed');
      continue;
    }

    if (result.event === 'miss') {
      ArrayPrototypePush(lines,
                         `Missed probes: ` +
                         `${formatPendingProbeLocations(report.probes, result.pending)}`);
      continue;
    }

    if (result.event === 'timeout') {
      ArrayPrototypePush(lines, result.error.message);
      continue;
    }

    if (result.event === 'error') {
      ArrayPrototypePush(lines, result.error.message);
      if (result.error.stderr !== undefined) {
        ArrayPrototypePush(lines, '  [stderr]');
        const stderrLines = RegExpPrototypeSymbolSplit(
          /\r\n|\r|\n/g,
          result.error.stderr,
        );
        for (let i = 0; i < stderrLines.length; i++) {
          if (stderrLines[i] === '' && i === stderrLines.length - 1) {
            continue;
          }
          ArrayPrototypePush(lines, `  ${stderrLines[i]}`);
        }
      }
    }
  }

  return ensureTrailingNewline(ArrayPrototypeJoin(lines, '\n'));
}