MongoDB ObjectId generator script

mongoObjIdGen.js

const mongoObjectId = () => {
	const timestamp = ((new Date().getTime() / 1000) | 0).toString(16)
	return (
		timestamp +
		'xxxxxxxxxxxxxxxx'
			.replace(/[x]/g, () => ((Math.random() * 16) | 0).toString(16))
			.toLowerCase()
	)
}

let callbackHasRun = false
const resourceObserver = new PerformanceObserver((entries, observer, options) => {
	entries.getEntries().forEach((entry) => {
		// Do something with [entry]
		entries.map
	})
	if (!callbackHasRun && options.droppedEntriesCount) {
		console.error(
			`Callback has thrown an error; there were ${options.droppedEntriesCount} dropped entries.`,
		)
	}
	callbackHasRun = true
})
// Set buffered flag to true to load events from the past
// Only works with a single observed type, don't use arraysassert.deepPropertyNotVal(object, property, value, "[message]");
resourceObserver.observe({ type: 'resource', buffered: true })