Files
v10/dist/dev/utils/use-media-instance.js

30 lines
1.1 KiB
JavaScript

"use client";
import { useMediaAttach } from "../player/context.js";
import { useDestroy } from "./use-destroy.js";
import { useState } from "react";
//#region src/utils/use-media-instance.ts
/**
* Create and manage a media instance lifecycle within a player context.
*
* Instantiates the media class once, attaches it to the player on mount,
* and safely detaches on unmount using a functional updater to avoid race
* conditions when swapping media components (e.g. DashVideo → HlsJsVideo).
*
* An optional `setup` callback runs once on mount — e.g. to add media
* components via `addMediaComponent`. Components registered there are destroyed
* together with the media instance on unmount (`media.destroy()` destroys
* all of its registered components).
*/
function useMediaInstance(MediaClass, setup) {
const [instance] = useState(() => new MediaClass());
const setMedia = useMediaAttach();
useDestroy(instance, () => {
setup?.(instance);
setMedia?.(instance);
}, () => setMedia?.((prev) => prev === instance ? null : prev));
return instance;
}
//#endregion
export { useMediaInstance };
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