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Post content height to parent when embedded #3

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Post content height to parent when embedded #3

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27 changes: 26 additions & 1 deletion src/App.tsx
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Original file line number Diff line number Diff line change
@@ -1,3 +1,4 @@
import { useEffect, useRef } from 'react';
import StickyNav from './components/layout/StickyNav';
import SectionContainer from './components/layout/SectionContainer';
import Footer from './components/layout/Footer';
Expand All @@ -11,9 +12,33 @@ const params = new URLSearchParams(window.location.search);
const isEmbed = params.has('embed');
const country = params.get('country') || 'us';

function usePostHeightToParent(rootRef: React.RefObject<HTMLDivElement | null>) {
useEffect(() => {
if (!isEmbed) return;

const postHeight = () => {
if (rootRef.current) {
window.parent.postMessage(
{ type: 'policyengine-model-height', height: rootRef.current.scrollHeight },
'*',
);
}
};

const observer = new ResizeObserver(postHeight);
if (rootRef.current) observer.observe(rootRef.current);
postHeight();

return () => observer.disconnect();
}, [rootRef]);
}

export default function App() {
const rootRef = useRef<HTMLDivElement>(null);
usePostHeightToParent(rootRef);

return (
<div style={{ minHeight: '100vh' }}>
<div ref={rootRef} style={{ minHeight: '100vh' }}>
{!isEmbed && <StickyNav />}

<SectionContainer
Expand Down