Dive into secure and efficient coding practices with our curated list of the top 10 examples showcasing 'universal-router' 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.
action: (context: ActionContext) => `Welcome, ${context.params["username"]}!`
}
];
resolve(routes2, { path: "/hello/john" })
.then(result => console.log(result));
// Test 3
const routes3 = [
{
path: "/hello/:username",
action: (ctx: ActionContext, { username }: Params) => `Welcome, ${username}!`
}
];
resolve(routes3, { path: "/hello/john" })
.then(result => console.log(result));
// Test 4
const routes4 = [
{
path: "/hello",
action: () => new Promise(resolve => {
setTimeout(() => resolve("Welcome!"), 1000);
})
}
];
resolve(routes4, { path: "/hello" })
.then(result => console.log(result));
// Test 5
app.get('*', async (req, res, next) => {
try {
let css = new Set();
let statusCode = 200;
const data = { title: '', description: '', style: '', script: assets.main.js, children: '' };
await UniversalRouter.resolve(routes, {
path: req.path,
query: req.query,
context: {
insertCss: (...styles) => {
styles.forEach(style => css.add(style._getCss())); // eslint-disable-line no-underscore-dangle, max-len
},
setTitle: value => (data.title = value),
setMeta: (key, value) => (data[key] = value),
},
render(component, status = 200) {
// console.log('inside render of UniversalRouter', component);
css = new Set();
statusCode = status;
data.children = ReactDOM.renderToString(component);
data.style = [...css].join('');
return true;
function onLocationChange(location) {
// Save the page scroll position into the current location's state
if (currentLocation.key) {
saveState(currentLocation.key, {
...readState(currentLocation.key),
scrollX: windowScrollX(),
scrollY: windowScrollY(),
});
}
currentLocation = location;
UniversalRouter.resolve(routes, {
path: location.pathname,
query: location.query,
state: location.state,
context,
render: render.bind(undefined, container, location), // eslint-disable-line react/jsx-no-bind, max-len
}).catch(err => console.error(err)); // eslint-disable-line no-console
}
app.get('*', async (req, res, next) => {
try {
let css = new Set();
let statusCode = 200;
const data = { title: '', description: '', style: '', script: assets.main.js, children: '' };
await UniversalRouter.resolve(routes, {
path: req.path,
query: req.query,
context: {
insertCss: (...styles) => {
styles.forEach(style => css.add(style._getCss())); // eslint-disable-line no-underscore-dangle, max-len
},
setTitle: value => (data.title = value),
setMeta: (key, value) => (data[key] = value),
},
render(component, status = 200) {
// console.log('inside render of UniversalRouter', component);
css = new Set();
statusCode = status;
data.children = ReactDOM.renderToString(component);
data.style = [...css].join('');
return true;
const removeHistoryListener = history.listen(location => {
currentLocation = location
match(routes, {
path: location.pathname,
query: location.query,
state: location.state,
context,
render: render.bind(undefined, container, location.state, {store})
}).catch(err => console.error(err)) // eslint-disable-line no-console
})
// Remember the latest scroll position for the previous location
scrollPositionsHistory[currentLocation.key] = {
scrollX: window.pageXOffset,
scrollY: window.pageYOffset,
};
// Delete stored scroll position for next page if any
if (action === 'PUSH') {
delete scrollPositionsHistory[location.key];
}
currentLocation = location;
try {
// Traverses the list of routes in the order they are defined until
// it finds the first route that matches provided URL path string
// and whose action method returns anything other than `undefined`.
const route = await UniversalRouter.resolve(routes, {
...context,
path: location.pathname,
query: queryString.parse(location.search),
});
// Prevent multiple page renders during the routing process
if (currentLocation.key !== location.key) {
return;
}
if (route.redirect) {
history.replace(route.redirect);
return;
}
appInstance = ReactDOM.render(
}
if (!self.fetch) {
await require.ensure([], require =>
require('isomorphic-fetch'), 'fetch-polyfill'
)
}
}
CURRENT_LOCATION = location
const router = require('./routes').default // eslint-disable-line global-require
const { pathname } = location
const route = await match(router, { path: pathname, currentRoute: pathname, ...routerMiddleware })
const component = (
{ route.component }
)
render(component, mnt, mnt.lastElementChild)
if (FIRST_RENDER) {
const node = document.getElementById('css')
if (node) node.parentNode.removeChild(node)
FIRST_RENDER = false
}
app.get('*', async(req, res, next) => {
try {
let css = new Set();
let statusCode = 200;
const data = { title: '', description: '', style: '', script: assets.main.js, children: '' };
await UniversalRouter.resolve(routes, {
path: req.path,
query: req.query,
context: {
insertCss: (...styles) => {
styles.forEach(style => css.add(style._getCss())); // eslint-disable-line no-underscore-dangle, max-len
},
setTitle: value => (data.title = value),
setMeta: (key, value) => (data[key] = value),
},
render(component, status = 200) {
css = new Set();
statusCode = status;
data.children = ReactDOM.renderToString(component);
data.style = [...css].join('');
return true;
},
// Remember the latest scroll position for the previous location
scrollPositionsHistory[currentLocation.key] = {
scrollX: window.pageXOffset,
scrollY: window.pageYOffset,
};
// Delete stored scroll position for next page if any
if (history.action === 'PUSH') {
delete scrollPositionsHistory[location.key];
}
currentLocation = location;
try {
// Traverses the list of routes in the order they are defined until
// it finds the first route that matches provided URL path string
// and whose action method returns anything other than `undefined`.
const route = await UniversalRouter.resolve(routes, {
...context,
path: location.pathname,
query: queryString.parse(location.search),
});
// Prevent multiple page renders during the routing process
if (currentLocation.key !== location.key) {
return;
}
if (route.redirect) {
history.replace(route.redirect);
return;
}
ReactDOM.render(
function insertCss(...styles) {
const removeCss = styles.map(x => x._insertCss());
return () => removeCss.forEach(f => f());
}
function redirect(to) {
history.replace(to);
}
const context = { insertCss, store };
const mnt = document.querySelector("main");
const router = new Router(routes);
async function bootstrap(location, router) {
if (FIRST_RENDER) {
if (!_DEV_) await registerServiceWorker();
if (!self.fetch) {
await import("unfetch" /* webpackChunkName: "fetch-polyfill" */);
}
}
CURRENT_LOCATION = location;
const { pathname: path, search } = location;
const route = await router.resolve({ path, store, redirect, search, ...routerMiddleware });