/Javascript/React/Custom hook for unique items in react

Custom hook for unique items in react

// useUnique.js
export function useUnique(initial) {
  const [items, setItems] = useState(initial);
  const add = newItem => {
    const uniqueItems = [...new Set([...items, newItem])];
    setItems(uniqueItems);
  };
  return [items, add];
};

Source: dmitripavlutin.com

Similar codes

0 vote230 views1 answer
Export all functions from js file react
Javascript React
3 votes178 views3 answers
How to install formik in react native
Javascript React
18 votes213 views2 answers
How to import background image in inline css in react
Javascript React
0 vote213 views1 answer
React native whatsapp integration
Javascript React
0 vote220 views1 answer
Semantic UI react focus on input
Javascript React
0 vote202 views2 answers
Why navlink in react router always active
Javascript React
0 vote250 views1 answer
Handling props in functional components reactjs ijnterview questions
Javascript React
64 votes216 views4 answers
How to install react-router-dom in react js
Javascript React
16 votes237 views3 answers
Importing svg into react
Javascript React
1 vote220 views1 answer
Reactnavigation 5 hide header
Javascript React