text: "use strict";
  
  var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.default = initCompat;
  
  var _singleSource = _interopRequireDefault(require("./singleSource"));
  
  // Copyright 2019-2020 @polkadot/extension-dapp authors & contributors
  // This software may be modified and distributed under the terms
  // of the Apache-2.0 license. See the LICENSE file for details.
  // initialize all the compatibility engines
  function initCompat() {
    return Promise.all([(0, _singleSource.default)()]).then(() => true);
  }