text: /**
   * Copyright 2019 Google Inc. All Rights Reserved.
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *     http://www.apache.org/licenses/LICENSE-2.0
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  export default async moduleBytes => {
    try {
      // Test for transferability of SABs (needed for Firefox)
      // https://groups.google.com/forum/#!msg/mozilla.dev.platform/IHkBZlHETpA/dwsMNchWEQAJ
      new MessageChannel().port1.postMessage(new SharedArrayBuffer(1));
      return WebAssembly.validate(moduleBytes);
    } catch (e) {
      return false;
    }
  };
  