Function warnNoop

docs/index.js:615–628

(publicInstance, callerName)

      return "function" === typeof maybeIterable ? maybeIterable : null;
    }
    function warnNoop(publicInstance, callerName) {
      publicInstance =
        ((publicInstance = publicInstance.constructor) &&
          (publicInstance.displayName || publicInstance.name)) ||
        "ReactClass";
      var warningKey = publicInstance + "." + callerName;
      didWarnStateUpdateForUnmountedComponent[warningKey] ||
        (console.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,
          publicInstance
        ),
        (didWarnStateUpdateForUnmountedComponent[warningKey] = !0));
    }
    function Component(props, context, updater) {
      this.props = props;
      this.context = context;