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Vue.js 3's Composition API provides a more flexible way to organize component logic. It offers better TypeScript support, improved code reuse, and more intuitive logic organization compared to the Options API.
Composition API Overview
The Composition API uses setup functions and composables to organize component logic. It provides better TypeScript inference, improved code organization, and makes it easier to share logic between components. The API is fully compatible with the Options API, allowing gradual adoption.
Setup and Usage
Use the setup() function or <script setup> syntax to define component logic. Leverage reactive references, computed properties, and lifecycle hooks. The Composition API makes it easier to extract and reuse logic across components.
Advanced Patterns
Master advanced patterns including composables for reusable logic, provide/inject for dependency injection, and custom hooks. These patterns enable powerful abstractions and improve code maintainability in large Vue applications.