Get replica lag

//native

type Render = {

	apiKey: string

}

/**

 * Get replica lag

 * Get seconds of replica lag of a Postgres replica.

 */

export async function main(

	auth: Render,

	startTime: string | undefined,

	endTime: string | undefined,

	resolutionSeconds: string | undefined,

	resource: string | undefined

) {

	const url = new URL(`https://api.render.com/v1/metrics/replication-lag`)

	for (const [k, v] of [

		['startTime', startTime],

		['endTime', endTime],

		['resolutionSeconds', resolutionSeconds],

		['resource', resource]

	]) {

		if (v !== undefined && v !== '' && k !== undefined) {

			url.searchParams.append(k, v)

		}

	}

	const response = await fetch(url, {

		method: 'GET',

		headers: {

			Authorization: 'Bearer ' + auth.apiKey

		},

		body: undefined

	})

	if (!response.ok) {

		const text = await response.text()

		throw new Error(`${response.status} ${text}`)

	}

	return await response.json()

}