Website fixes (#5668)

**What's the problem this PR addresses?**
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**How did you fix it?**
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packages/docusaurus/docusaurus.config.js

@@ -92,10 +92,11 @@ const config = {
         respectPrefersColorScheme: false,
       },
       algolia: {
-        appId: `BH4D9OD16A`,
-        apiKey: `029f65f2c00301615fd14958b67d6730`,
+        appId: `STXW7VT1S5`,
+        apiKey: `ecdfaea128fd901572b14543a2116eee`,
         indexName: `yarnpkg_next`,
         searchPagePath: `docs/search`,
+        contextualSearch: false,
       },
       navbar: {
         title: `Yarn`,

packages/docusaurus/src/lib/packageChecks.tsx

@@ -102,7 +102,7 @@ export const checks: Array<Check> = [{
     });
 
     for (const name of [`preinstall`, `install`, `postinstall`])
-      if (releaseInfo.npm.scripts[name])
+      if (releaseInfo.npm.scripts?.[name])
         return {ok: false};
 
     return {ok: true};

packages/docusaurus/src/pages/index.module.css

@@ -89,8 +89,16 @@
   }
 }
 
-.hero h1 {
-  font-size: 4rem;
+@media (min-width: 300px) {
+  .hero {
+    --ifm-h1-font-size: 3rem;
+  }
+}
+
+@media (min-width: 380px) {
+  .hero {
+    --ifm-h1-font-size: 4rem;
+  }
 }
 
 .hero p {

packages/docusaurus/src/pages/search.tsx

@@ -57,7 +57,7 @@ const defaultRequests = [
 }));
 
 function useHitsWithDefaults(query: string): Array<any> {
-  const {hits} = useHits();
+  const {hits} = useHits({escapeHTML: false});
   const [defaults, setDefaults] = useState<Array<any> | null>(null);
 
   useEffect(() => {

packages/docusaurus/static/_redirects

@@ -1,3 +1,6 @@
+/install.sh https://classic.yarnpkg.com/install.sh 301
+/ q=:q /search?q=:q 301!
+
 /playground/* code=:value https://viko0.sse.codesandbox.io/:splat?code=:value 301
 /playground/* https://viko0.sse.codesandbox.io/:splat 301