import { request } from '../../utils/http';

import { killAllProcesses } from '../../utils/process';

import { ngServe } from '../../utils/project';

import { updateJsonFile } from '../../utils/project';

export default function() {

return Promise.resolve()

.then(() => updateJsonFile('angular-cli.json', configJson => {

const app = configJson.defaults;

app.serve = { port: 4201 };

}))

.then(() => ngServe())

.then(() => request('http://localhost:4201/'))

.then(body => {

if (!body.match(/<app-root>Loading...<\/app-root>/)) {

throw new Error('Response does not match expected value.');

}

})

.then(() => killAllProcesses(), (err) => { killAllProcesses(); throw err; });

}