What is type checking in Vue 3?

What is type checking in Vue 3?

Type checking in Vue 3 refers to the process of verifying the types of props and data in your components, ensuring they match expected types.

How do I implement type checking for props?

You can implement type checking for props in Vue 3 by using the defineProps function along with TypeScript or by specifying types in the props option.

Can you give me an example of using TypeScript for type checking?

Sure! Here's a simple example:

<script lang="ts">
import { defineComponent } from 'vue';

export default defineComponent({
  props: {
    name: { type: String, required: true },
    age: { type: Number, required: false }
  }
});
</script>

What are the benefits of using type checking?

The benefits include catching errors early, improving code readability, and providing better tooling support with IDEs.