Error parsing MDX:
[next-mdx-remote] error compiling MDX:
Unexpected character `{` (U+007B) before name, expected a character that can start a name, such as a letter, `$`, or `_`
54 |
55 | \`\`\`typescript
> 56 | const audioCache = useRef<{ [key: string]: HTMLAudioElement }>({})
| ^
57 |
58 | useEffect(() => {
More information: https://mdxjs.com/docs/troubleshooting-mdx