Custom Hooks

Creating & Using Custom React Hooks

• Repetition: Rules of Hooks
• Why Custom Hooks?
• Creating Custom Hooks
• Using Custom Hooks

Rules of Hooks

1. Only call Hooks inside of Component or Other Hook Functions
   • React Hooks must not be called outside of React component functions or other Hook functions
2. Only call Hooks on the top level
   • React Hooks must not be called in nested code statements (e.g., inside of if-statements)

Resources

• Building Your Own Hooks
• Reusing Logic with Custom Hooks