text: /**
   * Copyright (c) Facebook, Inc. and its affiliates.
   *
   * This source code is licensed under the MIT license found in the
   * LICENSE file in the root directory of this source tree.
   *
   */
  
  /**
   * Use invariant() to assert state which your program assumes to be true.
   *
   * Provide sprintf-style format (only %s is supported) and arguments
   * to provide information about what broke and what you were
   * expecting.
   *
   * The invariant message will be stripped in production, but the invariant
   * will remain to ensure logic does not differ in production.
   */
  
  export default function invariant(condition, format, a, b, c, d, e, f) {
    if (condition) return; // ! sy 加上这个
  
    throw new Error(
      'Internal React error: invariant() is meant to be replaced at compile ' +
        'time. There is no runtime version.',
    );
  }
  