Function detectReactComponent

src/artifacts/preview.ts:92–98

(src: string)

/** Best-effort: find the root React component name to mount (defaults to "App"). */
export function detectReactComponent(src: string): string {
  const m =
    src.match(/function\s+([A-Z][A-Za-z0-9_]*)\s*\(/) ||
    src.match(/(?:const|let|var)\s+([A-Z][A-Za-z0-9_]*)\s*=\s*(?:\(|function|React\.memo|memo)/) ||
    src.match(/class\s+([A-Z][A-Za-z0-9_]*)\s+extends/);
  return m ? m[1] : 'App';
}

function reactHarness(src: string): string {
  const code = stripModuleSyntax(src);