Delete all services within a Fastly acconut

index.js

require('dotenv').config();
const fetch = require('node-fetch');

const API = 'https://api.fastly.com';
const TOKEN = process.env.FASTLY_API_TOKEN;
const OPTIONS =  {
    headers: {
        'Fastly-Key': TOKEN,
        'Accept': 'application/json'
    }
};

let SERVICES;

function apiRequest(path, method) {
    method = method || 'GET';
    let options = Object.assign(OPTIONS, { method });
    return fetch(API + path, options).then(r => r.json());
}

console.log('Fetching services');
apiRequest('/service')
    .then(serviceData => {
        SERVICES = serviceData.map(s => s.id);
        const serviceRequests = SERVICES.map(id => apiRequest(`/service/${id}/version`));

        console.log('Fetching versions');
        return Promise.all(serviceRequests);
    })
    .then(versionData => {
        const versions = [].concat.apply([], versionData.map(v =>  v.filter(d => d.active)));
        const versionRequests = versions.map(v => apiRequest(`/service/${v.service_id}/version/${v.number}/deactivate`, 'PUT'));

        console.log('Deactivating services');
        return Promise.all(versionRequests);
    })
    .then(() => {
        const deleteRequests = SERVICES.map(id => apiRequest(`/service/${id}`, 'DELETE'));
        console.log('Deleting services');
        return Promise.all(deleteRequests);
    })
    .then(console.log)
    .catch(console.log);