How do I implement immutability in my code?

How do I implement immutability in my code?

Immutability means that once an object is created, it cannot be changed. In languages like JavaScript, you can use Object.freeze() to make an object immutable.

Can you give me an example of using Object.freeze()?

Sure! Here's a simple example:

const obj = { name: 'Alice' };
const frozenObj = Object.freeze(obj);
frozenObj.name = 'Bob'; // This will not change the name
console.log(frozenObj.name); // Outputs: Alice

What are the benefits of using immutability?

Immutability helps prevent side effects, makes your code easier to reason about, and can improve performance in certain scenarios.

Are there any libraries that help with immutability?

Yes! Libraries like Immutable.js and Immer can help you work with immutable data structures more easily.