Function getValidPort

packages/node-core/src/utils/project.ts:27–41

(argvPort?: number)

const logger = getLogger('Project-Utils');

export async function getValidPort(argvPort?: number): Promise<number> {
  const validate = (x: any) => {
    const p = parseInt(x);
    return isNaN(p) ? null : p;
  };

  const port = validate(argvPort) ?? (await findAvailablePort(DEFAULT_PORT));
  if (!port) {
    const errMsg = `Unable to find available port (tried ports in range (${DEFAULT_PORT}..${
      DEFAULT_PORT + 10
    })). Try setting a free port manually by setting the --port flag`;
    exitWithError(errMsg, logger);
  }
  return port;
}

export async function prepareProjectDir(projectPath: string): Promise<string> {
  const stats = fs.statSync(projectPath);