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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 | 4x 4x 4x 4x 4x 4x | import { useEffect } from "react";
import { parseMessage } from "@/schemas/parsers";
import type { CanvasState, ConfigDefaults } from "@/types/canvas";
import type { PreviewCodeFile } from "@/types/messages";
export interface UseExtensionListenerOptions {
onLoadState?: (state: CanvasState) => void;
onConfigDefaults?: (config: ConfigDefaults) => void;
onPreviewCodeResponse?: (files: PreviewCodeFile[]) => void;
}
export function useExtensionListener(options: UseExtensionListenerOptions): void {
const { onLoadState, onConfigDefaults, onPreviewCodeResponse } = options;
useEffect(() => {
const handleMessage = (event: MessageEvent<unknown>) => {
const message = parseMessage(event.data);
if (!message) {
return;
}
switch (message.type) {
case "loadState":
onLoadState?.(message.state as unknown as CanvasState);
break;
case "configDefaults":
onConfigDefaults?.(message.defaults as unknown as ConfigDefaults);
break;
case "previewCodeResponse":
onPreviewCodeResponse?.(message.files);
break;
default:
console.warn("[useExtensionListener] Ignoring unsupported incoming message", {
type: message.type,
message,
});
}
};
window.addEventListener("message", handleMessage);
return () => {
window.removeEventListener("message", handleMessage);
};
}, [onLoadState, onConfigDefaults, onPreviewCodeResponse]);
}
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