express-starter/src/model/err/http-status.exception.ts

export class HttpStatusException extends Error {
  constructor(message: string, private code: number) {
    super(message);
  }

  public get statusCode(): number {
    return this.code;
  }

  public get statusText(): string {
    return HttpStatusException.getStatusText(this.code);
  }

  public static getStatusText(code): string {
    switch (code) {
      case 301:
        return 'Moved Permanently';
      case 302:
        return 'Found';
      case 307:
        return 'Temporary Redirect';
      case 308:
        return 'Permanent Redirect';
      case 400:
        return 'Bad Request';
      case 401:
        return 'Unauthorized';
      case 403:
        return 'Forbidden';
      case 404:
        return 'Not Found';
      case 405:
        return 'Method Not Allowed';
      case 406:
        return 'Not Acceptable';
      case 500:
        return 'Internal Server Error';
      case 501:
        return 'Not Implemented';
      case 502:
        return 'Bad Gateway';
      case 503:
        return 'Service Unavailable';
      default:
        return 'Unknown Error';
    }
  }
}