Function deriveHttpPort

packages/server/test/helpers/serverHarness.ts:121–127

(address: string)

const opened = new Set<ServerHarness>();

function deriveHttpPort(address: string): string {
  const port = new URL(address).port;
  if (port === '') {
    throw new Error(`cannot derive port from server address: ${address}`);
  }
  return port;
}

/**
 * Boot an isolated `startServer` for e2e use.