Method readFile

src/core/file_system.ts:230–230

* **Supplemental**: Asynchronously reads the entire contents of a file. * @param encoding If non-null, the file's contents should be decoded * into a string using that encoding. Otherwise, if encoding is null, fetch * the file's contents as a Buffer. * @param cb If no encoding is spe

(fname: string, encoding: string | null, flag: FileFlag, cb: BFSCallback<string | Buffer>)

   * @param cb If no encoding is specified, then the raw buffer is returned.
   */
  readFile(fname: string, encoding: string | null, flag: FileFlag, cb: BFSCallback<string | Buffer>): void;
  /**
   * **Supplemental**: Synchronously reads the entire contents of a file.
   * @param encoding If non-null, the file's contents should be decoded