List available phone number blocks

//native

type Telnyx = {

	apiKey: string

}

/**

 * List available phone number blocks

 *

 */

export async function main(

	auth: Telnyx,

	filter_locality_: string | undefined,

	filter_country_code_: string | undefined,

	filter_national_destination_code_: string | undefined,

	filter_phone_number_type_:

		| 'local'

		| 'toll_free'

		| 'mobile'

		| 'national'

		| 'shared_cost'

		| undefined

) {

	const url = new URL(`https://api.telnyx.com/v2/available_phone_number_blocks`)

	for (const [k, v] of [

		['filter[locality]', filter_locality_],

		['filter[country_code]', filter_country_code_],

		['filter[national_destination_code]', filter_national_destination_code_],

		['filter[phone_number_type]', filter_phone_number_type_]

	]) {

		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()

}