62 lines
1.4 KiB
TypeScript
62 lines
1.4 KiB
TypeScript
import { useEffect, useRef } from "react";
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// @ts-ignore
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import iframeHtml from "bundle-text:./panel.html";
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import { Editor } from "../editor";
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export function Panel({
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html,
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script,
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flex,
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editor,
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}: {
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html: string;
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script?: string;
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flex: number;
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editor: Editor;
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}) {
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const iFrameRef = useRef<HTMLIFrameElement>(null);
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useEffect(() => {
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function loadContent() {
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if (iFrameRef.current?.contentWindow) {
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iFrameRef.current.contentWindow.postMessage({
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type: "html",
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html: html,
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script: script,
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});
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}
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}
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if (!iFrameRef.current) {
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return;
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}
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let iframe = iFrameRef.current;
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iframe.onload = loadContent;
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loadContent();
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return () => {
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iframe.onload = null;
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};
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}, [html]);
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useEffect(() => {
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let messageListener = (evt: any) => {
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if (evt.source !== iFrameRef.current!.contentWindow) {
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return;
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}
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let data = evt.data;
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if (!data) return;
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if (data.type === "event") {
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editor.dispatchAppEvent(data.name, ...data.args);
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}
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};
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window.addEventListener("message", messageListener);
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return () => {
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window.removeEventListener("message", messageListener);
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};
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}, []);
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return (
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<div className="sb-panel" style={{ flex }}>
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<iframe srcDoc={iframeHtml} ref={iFrameRef} />
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</div>
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);
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}
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