How do I implement prop validation in Vue 3?

How do I implement prop validation in Vue 3?

In Vue 3, you can implement prop validation by defining the 'props' option in your component. You can specify the type, required status, and default values for each prop.

Can you show me an example of how to define props?

Sure! Here's a simple example:

export default {
  props: {
    title: {
      type: String,
      required: true
    },
    likes: {
      type: Number,
      default: 0
    }
  }
}

What happens if a prop validation fails?

If a prop validation fails, Vue will issue a warning in the console during development, but it won't stop the application from running.

Can I use custom validators for props?

Yes, you can define custom validators by providing a function that returns true or false based on your validation logic.