@5app/health-check-helpers/lib/kueStats.js

System health check helpers

const systemQueues = [
	'completeCount',
	'failedCount',
	'inactiveCount',
	'activeCount',
	'delayedCount',
];

function getQueueValue({queue, kueInstance}) {
	return new Promise((resolve, reject) => {
		kueInstance[queue]((error, data) => {
			if (error) {
				reject(error);
			}
			else {
				resolve(data);
			}
		});
	});
}

export default async function kueStats(kueInstance) {
	const systemQueueStats = systemQueues.map(queue =>
		getQueueValue({queue, kueInstance})
	);
	const values = await Promise.all(systemQueueStats);
	const stats = systemQueues.reduce((map, stat, index) => {
		map[stat] = values[index];

		return map;
	}, {});

	return stats;
}