Fix alternate lang tags (#3)

* Fix alternate lang tags

* prettier

* Scope down the change

---------

Co-authored-by: Dan Abramov <[email protected]>

Author: rickhanlonii

src/components/TitleAndMetaTags/TitleAndMetaTags.js

@@ -43,7 +43,7 @@ const alternatePages = canonicalUrl => {
 };
 
 const defaultPage = canonicalUrl => {
-  return canonicalUrl.replace(urlRoot, 'https://reactjs.org');
+  return canonicalUrl.replace(urlRoot, 'https://legacy.reactjs.org');
 };
 
 const TitleAndMetaTags = ({
@@ -57,7 +57,10 @@ const TitleAndMetaTags = ({
       <meta property="og:title" content={title} />
       <meta property="og:type" content={ogType} />
       {canonicalUrl && <meta property="og:url" content={canonicalUrl} />}
-      <meta property="og:image" content="https://reactjs.org/logo-og.png" />
+      <meta
+        property="og:image"
+        content="https://legacy.reactjs.org/logo-og.png"
+      />
       <meta
         property="og:description"
         content={ogDescription || defaultDescription}

src/site-constants.js

@@ -7,7 +7,7 @@
 
 // NOTE: We can't just use `location.toString()` because when we are rendering
 // the SSR part in node.js we won't have a proper location.
-const urlRoot = 'https://reactjs.org';
+const urlRoot = 'https://legacy.reactjs.org';
 const version = '18.2.0';
 const babelURL = 'https://unpkg.com/[email protected]/babel.min.js';