1. /**
    
  2.  * Copyright (c) Meta Platforms, Inc. and affiliates.
    
  3.  *
    
  4.  * This source code is licensed under the MIT license found in the
    
  5.  * LICENSE file in the root directory of this source tree.
    
  6.  *
    
  7.  * @flow
    
  8.  */
    
  9. 
    
  10. // This file is used as temporary storage for modules generated in Flight tests.
    
  11. let moduleIdx = 0;
    
  12. const modules: Map<string, Function> = new Map();
    
  13. 
    
  14. // This simulates what the compiler will do when it replaces render functions with server blocks.
    
  15. export function saveModule(render: Function): string {
    
  16.   const idx = '' + moduleIdx++;
    
  17.   modules.set(idx, render);
    
  18.   return idx;
    
  19. }
    
  20. 
    
  21. export function readModule(idx: string): Function {
    
  22.   return modules.get(idx);
    
  23. }