function assertSuccess()

in src/docgen/view/_npm.ts [160:196]

• 28 lines of code
• 13 McCabe index (conditional complexity)

function assertSuccess(result: CommandResult<ResponseObject>): asserts result is SuccessfulCommandResult<ResponseObject> {
  const { command, exitCode, signal, stdout } = result;
  if (exitCode === 0) {
    return;
  }
  if (signal != null) {
    throw new NpmError(`Command "${command}" was killed by ${signal}`, stdout);
  }
  if (exitCode === 228 || stdout.error?.code === 'ENOSPC') {
    throw new NoSpaceLeftOnDevice(`Command "${command}" failed due to insufficient available disk space`);
  }
  const { code, detail, summary } = stdout.error;
  const message = [
    `Command "${command}" exited with code ${exitCode}`,
    summary ? `: ${summary}` : '',
    detail ? `\n${detail}` : '',
    // If we have an error, but neither detail nor summary, then we probably
    // have an actual Error object, so we'll stringify that here...
    stdout.error && !detail && !summary ? `: ${stdout.error}` : '',
  ].join('');

  if (typeof(summary) === 'string' && summary.includes('must provide string spec')) {
    // happens when package.json dependencies don't have a spec.
    // for example: https://github.com/markusl/cdk-codepipeline-bitbucket-build-result-reporter/blob/v0.0.7/package.json
    throw new UnInstallablePackageError(summary);
  }

  switch (code) {
    case 'ERESOLVE':
      // dependency resolution problem requires a manual
      // intervention (most likely...)
      throw new UnInstallablePackageError(message);
    default:
      throw new NpmError(message, stdout, code);
  }

}