Merge a lead and a user

//native

type Intercom = {

	apiVersion: string

	token: string

}

/**

 * Merge a lead and a user

 * You can merge a contact with a `role` of `lead` into a contact with a `role` of `user`.

 */

export async function main(auth: Intercom, body: { from?: string; into?: string }) {

	const url = new URL(`https://api.intercom.io/contacts/merge`)

	const response = await fetch(url, {

		method: 'POST',

		headers: {

			'Intercom-Version': auth.apiVersion,

			'Content-Type': 'application/json',

			Authorization: 'Bearer ' + auth.token

		},

		body: JSON.stringify(body)

	})

	if (!response.ok) {

		const text = await response.text()

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

	}

	return await response.json()

}