Function needsJsxRuntimeInHtml

packages/runtime/src/index.ts:412–423

(html: string)

// viable; pure HTML + CDN-library pages (Chart.js etc.) match no signal and
// pay zero inline-script cost.
function needsJsxRuntimeInHtml(html: string): boolean {
  return (
    hasTextBabelScript(html) ||
    html.includes('ReactDOM.createRoot') ||
    html.includes('React.createElement') ||
    html.includes('IOSDevice') ||
    html.includes('DesignCanvas') ||
    html.includes('AppleWatchUltra') ||
    html.includes('AndroidPhone') ||
    html.includes('MacOSSafari')
  );
}

function hasTextBabelScript(html: string): boolean {
  let found = false;