Function isConcurrentActEnvironment

docs/index.js:32920–32931

()

      });
    }
    function isConcurrentActEnvironment() {
      var isReactActEnvironmentGlobal =
        "undefined" !== typeof IS_REACT_ACT_ENVIRONMENT
          ? IS_REACT_ACT_ENVIRONMENT
          : void 0;
      isReactActEnvironmentGlobal ||
        null === ReactSharedInternals.actQueue ||
        console.error(
          "The current testing environment is not configured to support act(...)"
        );
      return isReactActEnvironmentGlobal;
    }
    function requestUpdateLane(fiber) {
      if (
        (executionContext & RenderContext) !== NoContext &&