Dive into secure and efficient coding practices with our curated list of the top 10 examples showcasing 'react-router-dom' in functional components in JavaScript. Our advanced machine learning engine meticulously scans each line of code, cross-referencing millions of open source libraries to ensure your implementation is not just functional, but also robust and secure. Elevate your React applications to new heights by mastering the art of handling side effects, API calls, and asynchronous operations with confidence and precision.
const InstrumentBuildQuestionItems = (props) => {
let history = useHistory();
const dispatch = useDispatch()
const classes = useStyles();
const questionItemId = get(props, "match.params.questionItemId", null);
const instrumentId = get(props, "match.params.instrument_id", "")
const questionItems = useSelector(state => get(state.questionItems, instrumentId, {}));
const selectedQuestion = get(questionItems, questionItemId, {used_by: []})
useEffect(() => {
dispatch(QuestionItems.all(instrumentId));
// eslint-disable-next-line react-hooks/exhaustive-deps
},[]);
const QuestionItem = (props) => {
const {label, value, id} = props
const QuestionImporter = () => {
const { quizId } = useParams();
const history = useHistory();
const [questionIds, setQuestionIds] = useState([]);
const [isSaving, setIsSaving] = useState(false);
const { loading, error, data } = useQuery(QUIZ_QUERY, { variables: { id: quizId } });
const [importQuestionsMutation] = useMutation(IMPORT_QUESTIONS);
const importQuestions = async () => {
setIsSaving(true);
try {
// Send the mutation
const result = await importQuestionsMutation({
variables: { quizId, questionIds },
});
// Handle errors
if (result.errors && result.errors.length > 0) {
public componentDidUpdate(prevProps: IProps) {
const text = matchPath(
this.props.location.pathname, routes["/library/search/text"],
).params.value;
const prevText = matchPath(
prevProps.location.pathname, routes["/library/search/text"],
).params.value;
if (text !== prevText) {
// Refresh searched pubs
this.searchPublications();
}
}
const Analytics: React.FC = () => {
const location = useLocation();
/**
* Track each navigation to a page.
*/
useEffect(() => {
ReactGA.set({ page: location.pathname });
ReactGA.pageview(location.pathname);
}, [location.pathname]);
// don't actually render anything
return null;
};
export function useURLState(
paramToWatch: string,
defaultValue: T,
toUrlConverter: (data: T) => string = JSON.stringify,
fromUrlConverter: (data: string) => T = JSON.parse
): [T, (T) => void] {
const location = useLocation();
const [paramValue, setParamValue] = useState(defaultValue);
const changeParam = (value) => {
// No change, don't do anything
if (value === paramValue) {
return;
}
setParamValue(value);
// Change URL value
const params = new URLSearchParams(
// substr removes the hash tag at the beginning
new URL(window.location.href).hash.substr(1)
);
const urlValue = toUrlConverter(value);
import * as React from 'react';
import * as Bootstrap from "react-bootstrap";
var Router = require("react-router-dom").BrowserRouter;
var Route = require("react-router-dom").Route;
// import './App.css';
// var Text = require('react-native-web').Text;
import { Header, FeatureSummary, Feature, View } from './Components';
import * as model from 'livedoc-model';
// const logo = require('./logo.svg');
const data: model.Feature[] = require('./livedoc.json');
const features: model.Feature[] = [];
data.forEach(featureData => {
const feature = Object.assign(new model.Feature(), featureData);
features.push(feature);
});
export const AppNavExpandable: React.FunctionComponent = ({
title,
to,
items
}) => {
const match = useRouteMatch({
path: to
})
const isActive = !!match
return (
{items.map((item, j) => (
// FIXME: each app-nav-item should have a fixed ID, using title? or j is just a dirty trick
))}
)
}
const route = routes.find(r =>
matchPath(path, _routeMatchOptions(r, matchedPath))
); // take the first match
const _resolveRouteMatches = (
routes: Array = [],
path: string = '',
matchedRoutes: Array = [],
matchedPath: string = ''
): Promise> => {
const route = routes.find(r =>
matchPath(path, _routeMatchOptions(r, matchedPath))
); // take the first match
if (!route) {
return Promise.resolve(matchedRoutes);
}
// add the route and its `match` object to the array of matched routes
const currentMatchOptions = _routeMatchOptions(route, matchedPath);
const match = matchPath(path, currentMatchOptions);
if (!match) {
// we know that this won't ever run because we've established the match in
// `.find`, but this check is for type safety
return Promise.resolve(matchedRoutes);
}
const matchedRoute = { route, match };
const currentMatchedRoutes = [...matchedRoutes, matchedRoute];
// add any nested route matches
return resolveChildRoutes(matchedRoute).then(
childRoutes =>
childRoutes.length
? _resolveRouteMatches(
childRoutes,
path,
currentMatchedRoutes,
import * as Routing from 'react-router-dom';
export default Routing;
const userAgent = navigator.userAgent.toLowerCase();
let route = null;
if (userAgent.indexOf(' electron/') > -1) {
// Electron hash router
route = Routing.HashRouter;
} else {
route = Routing.BrowserRouter
}
export const Router = route;