What are the best practices for using TypeScript with Vue 3?

What are the best practices for using TypeScript with Vue 3?

When using TypeScript with Vue 3, it's important to define your component props and emits clearly, use the Composition API for better type inference, and leverage TypeScript's interfaces for state management.

Can you explain how to define props in a TypeScript Vue component?

Sure! You can define props in a TypeScript Vue component by using the defineProps function. For example:

const props = defineProps<{ title: string; age: number }>();

This ensures that title is a string and age is a number.

What about using Vuex with TypeScript?

When using Vuex with TypeScript, you should define your state, mutations, and actions with interfaces. This helps in maintaining type safety throughout your store.

Are there any tools to help with TypeScript in Vue 3?

Yes, tools like Vetur and Volar provide excellent support for TypeScript in Vue 3, offering features like type checking and IntelliSense.