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fix canonical/meta tags in unfurler

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Mononaut 2023-03-09 00:26:28 -06:00
parent 82a808529b
commit 2f3e498906
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1 changed files with 20 additions and 1 deletions
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21
unfurler/src/index.ts
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@ -27,6 +27,7 @@ class Server {
mempoolUrl: URL;
network: string;
secureHost = true;
canonicalHost: string;
constructor() {
this.app = express();
@ -34,6 +35,20 @@ class Server {
this.mempoolUrl = new URL(this.mempoolHost);
this.secureHost = config.SERVER.HOST.startsWith('https');
this.network = config.MEMPOOL.NETWORK || 'bitcoin';
let canonical;
switch(config.MEMPOOL.NETWORK) {
case "liquid":
canonical = "https://liquid.network"
break;
case "bisq":
canonical = "https://bisq.markets"
break;
default:
canonical = "https://mempool.space"
}
this.canonicalHost = canonical;
this.startServer();
}
@ -259,6 +274,8 @@ class Server {
let ogImageUrl = config.SERVER.HOST + (matchedRoute.staticImg || matchedRoute.fallbackImg);
let ogTitle = 'The Mempool Open Source Project™';
const canonical = this.canonicalHost + rawPath;
if (matchedRoute.render) {
ogImageUrl = `${config.SERVER.HOST}/render/${lang || 'en'}/preview${path}`;
ogTitle = `${this.network ? capitalize(this.network) + ' ' : ''}${matchedRoute.networkMode !== 'mainnet' ? capitalize(matchedRoute.networkMode) + ' ' : ''}${matchedRoute.title}`;
@ -269,6 +286,7 @@ class Server {
<head>
<meta charset="utf-8">
<title>${ogTitle}</title>
<link rel="canonical" href="${canonical}" />
<meta name="description" content="The Mempool Open Source Project™ - Explore the full Bitcoin ecosystem with mempool.space™"/>
<meta property="og:image" content="${ogImageUrl}"/>
<meta property="og:image:type" content="image/png"/>
@ -291,7 +309,8 @@ class Server {
let html = await this.ssrCluster?.execute({ url: this.mempoolHost + rawPath, path: rawPath, action: 'ssr' });
// remove javascript to prevent double hydration
if (html && html.length) {
html = html.replace(/<script.*<\/script>/g, "");
html = html.replaceAll(/<script.*<\/script>/g, "");
html = html.replaceAll(this.mempoolHost, this.canonicalHost);
}
return html;
}