List all environment variables

//native

type Circleci = {

	token: string

}

/**

 * List all environment variables

 * Returns four 'x' characters, in addition to the last four ASCII characters of the value, consistent with the display of environment variable values on the Circleci website.

 */

export async function main(auth: Circleci, project_slug: string) {

	const url = new URL(`https://circleci.com/api/v2/project/${project_slug}/envvar`)

	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()

}