How to use the haunted.useEffect function in haunted
To help you get started, we’ve selected a few haunted examples, based on popular ways it is used in public projects.
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kjartanm / microfrontends / packages / login / src / index.js View on Github 
function LoginFE() {
const [customerid, setUserid] = useState(null);
useEffect(() => {
import('./kernel').then((Module) => {
Module.onKernelKey('change:customerid', _customerid => {
setUserid(_customerid);
});
setUserid(Module.getSharedKernel('customerid'));
})
}, []);
const update = (newState) => {
import('./kernel').then((Module) => {
Module.updateSharedKernel(newState);
})
}
return html`
<section class="wc-module">
</section>
