findInternalAssetsFromHTML(htmlContent: string): string[]
Parses an HTML string and returns all internal (non-absolute-URL) <script src> and <link href> paths.
findInternalAssetsFromHTML( '<link href="app.css" rel="stylesheet"><script src="/assets/app.js"></script>' + '<script src="https://cdn.example.com/vendor.js"></script>', ); // ['app.css', '/assets/app.js'] — the CDN script is external, so it is skipped