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. 
    
  8. let didWarnValueNull = false;
    
  9. 
    
  10. export function validateProperties(type, props) {
    
  11.   if (__DEV__) {
    
  12.     if (type !== 'input' && type !== 'textarea' && type !== 'select') {
    
  13.       return;
    
  14.     }
    
  15. 
    
  16.     if (props != null && props.value === null && !didWarnValueNull) {
    
  17.       didWarnValueNull = true;
    
  18.       if (type === 'select' && props.multiple) {
    
  19.         console.error(
    
  20.           '`value` prop on `%s` should not be null. ' +
    
  21.             'Consider using an empty array when `multiple` is set to `true` ' +
    
  22.             'to clear the component or `undefined` for uncontrolled components.',
    
  23.           type,
    
  24.         );
    
  25.       } else {
    
  26.         console.error(
    
  27.           '`value` prop on `%s` should not be null. ' +
    
  28.             'Consider using an empty string to clear the component or `undefined` ' +
    
  29.             'for uncontrolled components.',
    
  30.           type,
    
  31.         );
    
  32.       }
    
  33.     }
    
  34.   }
    
  35. }