Get metrics and trends for workflows

//native

type Circleci = {

	token: string

}

/**

 * Get metrics and trends for workflows

 * Get the metrics and trends for a particular workflow on a single branch or all branches

 */

export async function main(

	auth: Circleci,

	project_slug: string,

	workflow_name: string,

	all_branches: string | undefined,

	branch: string | undefined

) {

	const url = new URL(

		`https://circleci.com/api/v2/insights/${project_slug}/workflows/${workflow_name}/summary`

	)

	for (const [k, v] of [

		['all-branches', all_branches],

		['branch', branch]

	]) {

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

			url.searchParams.append(k, v)

		}

	}

	const response = await fetch(url, {

		method: 'GET',

		headers: {

			'Circle-Token': auth.token

		},

		body: undefined

	})

	if (!response.ok) {

		const text = await response.text()

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

	}

	return await response.json()

}