Method readCache

packages/cli/src/util/openapi/openapi-cache.ts:273–280

* Read cached spec from disk

(cachePath: string)

   * Read cached spec from disk
   */
  private async readCache(cachePath: string): Promise<CachedSpec | null> {
    try {
      const content = await readFile(cachePath, 'utf-8');
      return JSON.parse(content) as CachedSpec;
    } catch {
      return null;
    }
  }

  /**
   * Save public spec to disk cache