Function warnNoop

dash/deps/react@16.14.0.js:418–432

(publicInstance, callerName)

  var didWarnStateUpdateForUnmountedComponent = {};

  function warnNoop(publicInstance, callerName) {
    {
      var _constructor = publicInstance.constructor;
      var componentName = _constructor && (_constructor.displayName || _constructor.name) || 'ReactClass';
      var warningKey = componentName + "." + callerName;

      if (didWarnStateUpdateForUnmountedComponent[warningKey]) {
        return;
      }

      error("Can't call %s on a component that is not yet mounted. " + 'This is a no-op, but it might indicate a bug in your application. ' + 'Instead, assign to `this.state` directly or define a `state = {};` ' + 'class property with the desired state in the %s component.', callerName, componentName);

      didWarnStateUpdateForUnmountedComponent[warningKey] = true;
    }
  }
  /**
   * This is the abstract API for an update queue.
   */