params.jsx

// pages/params.jsx
import Router, { useRouter } from 'lib/router'

function MyComponent() {
    const { query } = useRouter()
    
    function handleSubmit(evt) {
        const params = new FormData(evt.currentTarget).getAll("fruits");
        
        evt.preventDefault();
        Router.push({ pathname, query: { ...query, params } }, { shallow: true });
    }
    
    return <>{...}</>
}