Function warnIfStringRefCannotBeAutoConverted

dash/deps/react@16.14.0.js:720–732

(config)

  }

  function warnIfStringRefCannotBeAutoConverted(config) {
    {
      if (typeof config.ref === 'string' && ReactCurrentOwner.current && config.__self && ReactCurrentOwner.current.stateNode !== config.__self) {
        var componentName = getComponentName(ReactCurrentOwner.current.type);

        if (!didWarnAboutStringRefs[componentName]) {
          error('Component "%s" contains the string ref "%s". ' + 'Support for string refs will be removed in a future major release. ' + 'This case cannot be automatically converted to an arrow function. ' + 'We ask you to manually fix this case by using useRef() or createRef() instead. ' + 'Learn more about using refs safely here: ' + 'https://fb.me/react-strict-mode-string-ref', getComponentName(ReactCurrentOwner.current.type), config.ref);

          didWarnAboutStringRefs[componentName] = true;
        }
      }
    }
  }
  /**
   * Factory method to create a new React element. This no longer adheres to
   * the class pattern, so do not use new to call it. Also, instanceof check