react-use-state

SKILL.md

useState is a React Hook that adds a state variable to your component, triggering re-renders when the state changes.

| Form inputs | const [name, setName] = useState('') | | UI state | const [isOpen, setIsOpen] = useState(false) | | Simple counters | const [count, setCount] = useState(0) | | Local component data | const [items, setItems] = useState([]) |

If a value can be computed from props or other state, don't store it:

指導 React useState 鉤子的正確使用。在向組件添加狀態、在 useState 與替代方案之間做出決定或對狀態更新問題進行故障排除時，請使用此技能。 來源：flpbalada/my-opencode-config。

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