Among the finest issues that ever occurred to t he person expertise of the net has been internet extensions. Browsers are highly effective however extensions convey a brand new stage of performance. Whether or not it is crypto wallets, media gamers, or different standard plugins, internet extensions have turn into important to day by day duties.
Engaged on MetaMask, I’m thrust right into a world of creating all the pieces Ethereum-centric work. A kind of functionalities is guaranteeing that .eth domains resolve to ENS when enter to the deal with bar. Requests to https://vitalik.ethnaturally fail, since .eth is not a natively supported prime stage area, so we have to intercept this errant request.
// Add an onErrorOccurred occasion through the browser.webRequest extension API
browser.webRequest.onErrorOccurred.addListener((particulars) => {
const { tabId, url } = particulars;
const { hostname } = new URL(url);
if(hostname.endsWith('.eth')) {
// Redirect to wherever I need the person to go
browser.tabs.replace(tabId, { url: `https://app.ens.domains/${hostname}}` });
}
},
{
urls:[`*://*.eth/*`],
varieties: ['main_frame'],
});
Net extensions present a browser.webRequest.onErrorOccurred methodology that builders can plug into to hear for errant requests. This API does not catch 4** and 5** response errors. Within the case above, we search for .eth hostnames and redirect to ENS.
You may make use of onErrorOccurred for any variety of causes, however detecting customized hostnames is a superb one!
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