Javascript safe "Python-with like" pattern

resource_ctx.mjs

/* pending https://github.com/tc39/proposal-explicit-resource-management */

/* Usage:

let result = await use_resource({
	async acquire(url) {
		// "__enter__"
		const e = document.createElement('iframe');
		e.src = url;
		e.hidden = true;
		document.body.appendChild(e);
		return e;
	},
	release(e) {
		debugger; // "__exit__"
		e.parentElement.removeChild(e);
	}
}, async (e) => { // "with manager as e:"
	return await DO_STUFF_WITH(e);
}, YOUR_IFRAME_RESOURCE_URL);

*/

export async function use_resource(manager, callback, ...acq_arg) {
	const resource = await manager.acquire(...acq_arg);
	try {
		return await callback(resource);
	} finally {
		manager.release(resource);
	}
}

export async function* use_iter_resource(manager, ...acq_arg) {
	const resource = await manager.acquire(...acq_arg);
	try {
		yield* resource;
	} finally {
		manager.release(resource);
	}
}

export function use_resource_sync(manager, callback, ...acq_arg) {
	const resource = manager.acquire(...acq_arg);
	try {
		return callback(resource);
	} finally {
		manager.release(resource);
	}
}

export function* use_iter_resource_sync(manager, ...acq_arg) {
	const resource = manager.acquire(...acq_arg);
	try {
		yield* resource;
	} finally {
		manager.release(resource);
	}
}