Function hasValidRef

docs/external/js/react.development.js:656–668

(config)

  }

  function hasValidRef(config) {
    {
      if (hasOwnProperty$1.call(config, 'ref')) {
        var getter = Object.getOwnPropertyDescriptor(config, 'ref').get;

        if (getter && getter.isReactWarning) {
          return false;
        }
      }
    }

    return config.ref !== undefined;
  }

  function hasValidKey(config) {
    {