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silverbullet/webapp/components/panel.tsx
2022-04-04 18:33:13 +02:00

32 lines
786 B
TypeScript

import {useEffect, useRef} from "react";
// @ts-ignore
import iframeHtml from "bundle-text:./panel.html";
export function Panel({ html, flex }: { html: string; flex: number }) {
const iFrameRef = useRef<HTMLIFrameElement>(null);
useEffect(() => {
function loadContent() {
if (iFrameRef.current?.contentWindow) {
iFrameRef.current.contentWindow.postMessage({
type: "html",
html: html,
});
}
}
if (!iFrameRef.current) {
return;
}
let iframe = iFrameRef.current;
iframe.onload = loadContent;
loadContent();
return () => {
iframe.onload = null;
};
}, [html]);
return (
<div className="panel" style={{ flex }}>
<iframe srcDoc={iframeHtml} ref={iFrameRef} />
</div>
);
}