Create a phone number extension

//native

type Telnyx = {

	apiKey: string

}

/**

 * Create a phone number extension

 * Creates a new phone number extension.

 */

export async function main(

	auth: Telnyx,

	porting_order_id: string,

	body: {

		porting_phone_number_id: string

		extension_range: { start_at: number; end_at: number }

		activation_ranges: { start_at: number; end_at: number }[]

	}

) {

	const url = new URL(

		`https://api.telnyx.com/v2/porting_orders/${porting_order_id}/phone_number_extensions`

	)

	const response = await fetch(url, {

		method: 'POST',

		headers: {

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

			Authorization: 'Bearer ' + auth.apiKey

		},

		body: JSON.stringify(body)

	})

	if (!response.ok) {

		const text = await response.text()

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

	}

	return await response.json()

}