feat: Add PowerShell support to Shiki (nodejs#6538)

* feat: Add PowerShell support to Shiki

* chore: Keep syntax highligh as Bash for windows only change name

Author: thisalihassan

components/Downloads/Release/ReleaseCodeBox.tsx

@@ -32,10 +32,11 @@ const ReleaseCodeBox: FC = () => {
     // eslint-disable-next-line react-hooks/exhaustive-deps
   }, [release.versionWithPrefix, os, platform]);
 
+  const codeLanguage = os === 'WIN' ? 'PowerShell' : 'Bash';
   return (
     <div className="mb-2 mt-6 flex min-h-80 flex-col gap-2">
       {code && (
-        <CodeBox language="Bash">
+        <CodeBox language={codeLanguage}>
           <code dangerouslySetInnerHTML={{ __html: code }} />
         </CodeBox>
       )}

shiki.config.mjs

@@ -4,6 +4,7 @@ import diffLanguage from 'shiki/langs/diff.mjs';
 import dockerLanguage from 'shiki/langs/docker.mjs';
 import javaScriptLanguage from 'shiki/langs/javascript.mjs';
 import jsonLanguage from 'shiki/langs/json.mjs';
+import powershellLanguage from 'shiki/langs/powershell.mjs';
 import shellScriptLanguage from 'shiki/langs/shellscript.mjs';
 import shellSessionLanguage from 'shiki/langs/shellsession.mjs';
 import typeScriptLanguage from 'shiki/langs/typescript.mjs';
@@ -34,6 +35,12 @@ export const LANGUAGES = [
     aliases: ['bash', 'sh', 'shell', 'zsh'],
     displayName: 'Bash',
   },
+  {
+    ...powershellLanguage[0],
+    scopeName: 'source.powershell',
+    aliases: ['ps', 'ps1'],
+    displayName: 'PowerShell',
+  },
   {
     ...shellSessionLanguage[0],
     scopeName: 'text.shell-session',