message: fix: invalid url when href is empty
diff: @@ -35,7 +35,7 @@ export class OpenAPIParser {
  const href = IS_BROWSER ? window.location.href : '';
  if (typeof specUrl === 'string') {
  - this.specUrl = new URL(specUrl, href).href;
  + this.specUrl = href ? new URL(specUrl, href).href : specUrl;
  }
  }
  