function handleDiagnostics()

in src/main.ts [532:569]

• 32 lines of code
• 7 McCabe index (conditional complexity)

function handleDiagnostics(diagnostics: readonly RosettaDiagnostic[], fail: boolean | 'implicit', snippetCount = 1) {
  if (fail !== false) {
    // Fail on any diagnostic
    if (diagnostics.length > 0) {
      printDiagnostics(diagnostics, process.stderr, process.stderr.isTTY);
      logging.error(
        [
          `${diagnostics.length} diagnostics encountered in ${snippetCount} snippets`,
          ...(fail === true ? ["(running with '--fail')"] : []),
        ].join(' '),
      );
      process.exitCode = 1;
    }

    return;
  }

  // Otherwise fail only on strict diagnostics. If we have strict diagnostics, print only those
  // (so it's very clear what is failing the build), otherwise print everything.
  const strictDiagnostics = diagnostics.filter((diag) => diag.isFromStrictAssembly);
  if (strictDiagnostics.length > 0) {
    printDiagnostics(strictDiagnostics, process.stderr, process.stderr.isTTY);
    const remaining = diagnostics.length - strictDiagnostics.length;
    logging.warn(
      [
        `${strictDiagnostics.length} diagnostics from assemblies with 'strict' mode on`,
        ...(remaining > 0 ? [`(and ${remaining} more non-strict diagnostics)`] : []),
      ].join(' '),
    );
    process.exitCode = 1;
    return;
  }

  if (diagnostics.length > 0) {
    printDiagnostics(diagnostics, process.stderr, process.stderr.isTTY);
    logging.warn(`${diagnostics.length} diagnostics encountered in ${snippetCount} snippets`);
  }
}