subscribe

Method to manually subscribe to state changes with explicit unsubscribe control.

Description

The .subscribe() method provides manual subscription management for React Signify state changes. It returns an unsubscribe function that allows you to control when to stop listening to changes.

Input/Output

Input	Type	Description
callback	(value: T) => void	Function to execute when state changes

Output	Type	Description
Returns	{ unsubscribe: () => void }	Object containing unsubscribe function

Examples

import { signify } from "react-signify";

const count = signify(0);

function MyComponent() {
  useEffect(() => {
    const { unsubscribe } = count.subscribe((newCount) => {
      console.log("Count is now:", newCount);
    });

    return unsubscribe; // Cleanup when component unmounts
  }, []);

  return <div>My Component</div>;
}