import React from 'react';
import { useRouter } from 'next/router';
import qs from 'qs';
import algoliasearch from 'algoliasearch/lite';
import { findResultsState } from 'react-instantsearch-dom/server';
import { Head, App } from '../components';
const searchClient = algoliasearch(
'latency',
'6be0576ff61c053d5f9a3225e2a90f76'
);
const updateAfter = 700;
const createURL = (state) => `?${qs.stringify(state)}`;
const pathToSearchState = (path) =>
path.includes('?') ? qs.parse(path.substring(path.indexOf('?') + 1)) : {};
const searchStateToURL = (searchState) =>
searchState ? `${window.location.pathname}?${qs.stringify(searchState)}` : '';
const DEFAULT_PROPS = {
searchClient,
indexName: 'instant_search',
};
export default function Page(props) {
const [searchState, setSearchState] = React.useState(props.searchState);
const router = useRouter();
const debouncedSetState = React.useRef();
React.useEffect(() => {
if (router) {
router.beforePopState(({ url }) => {
setSearchState(pathToSearchState(url));
});
}
}, [router]);
return (
{
clearTimeout(debouncedSetState.current);
debouncedSetState.current = setTimeout(() => {
const href = searchStateToURL(nextSearchState);
router.push(href, href, { shallow: true });
}, updateAfter);
setSearchState(nextSearchState);
}}
createURL={createURL}
/>
);
}
export async function getServerSideProps({ resolvedUrl }) {
const searchState = pathToSearchState(resolvedUrl);
const resultsState = await findResultsState(App, {
...DEFAULT_PROPS,
searchState,
});
return {
props: {
resultsState: JSON.parse(JSON.stringify(resultsState)),
searchState,
},
};
}