async function getOniguruma(options) {
  const url =
    options && options.getOnigurumaUrlFs
      ? await options.getOnigurumaUrlFs()
      : new URL('onig.wasm', resolve('vscode-oniguruma', import.meta.url))

  return fs.readFile(url)
}
Node w/o fetch.

@param {Readonly<Options> | undefined} [options]
  Configuration (optional).
@returns {Promise<Uint8Array>}
  Uint8 array.