deploy.ts

import { flags, SfdxCommand } from '@salesforce/command';
import { sleep } from '@salesforce/kit';
import chalk from 'chalk';

import { exec2JSON } from '../../../../shared/execProm';

import request = require('request-promise-native');

const pollingInterval = 2000; // ms polling when checking for app deployment
const herokuAPIendpoint = 'https://api.heroku.com/app-setups';

export default class HerokuRepoDeploy extends SfdxCommand {
    public static description = 'deploy a heroku app that has a valid app.json.  ';

    public static examples = [
        `sfdx shane:heroku:repo:deploy -g someUser -r someRepo
// deploys code from https://github.com/someUser/someRepo that has a valid app.json
`
    ];

    protected static supportsUsername = true;

    protected static flagsConfig = {
        githubuser: flags.string({ required: true, char: 'g', description: 'github username where the app lives' }),
        repo: flags.string({ required: true, char: 'r', description: 'repo where the app lives' }),
        name: flags.string({ char: 'n', description: 'what do you want to Heroku app to be named' }),
        overrides: flags.array({
            char: 'o',
            description: 'an array of key-value pairs, like SOME_VAR="some Value" (use quotes where string have spaces!)'
        }),
        envuser: flags.string({ description: 'grab the default scratch org username and set it to this Heroku environment var' }),
        envpassword: flags.string({ description: 'grab the default scratch org password and set it to this Heroku environment var' }),
        team: flags.string({ char: 't', description: 'assign this new app to an existing heroku team' }),
        days: flags.integer({ char: 'd', description: 'days you want the heroku app to live (does nothing locally)', min: 1, max: 30, default: 1 })
        // branch: flags.string({char: 'b', description: 'optional branch' }
    };

    // protected static requiresProject = true;

    public async run(): Promise<any> {
        interface HerokuAppSetup {
            source_blob: {
                url: string;
            };
            app?: {
                name?: string;
                organization?: string;
            };
            overrides?: {
                env?: {};
            };
        }

        const body: HerokuAppSetup = {
            source_blob: {
                url: `https://github.com/${this.flags.githubuser}/${this.flags.repo}/tarball/master/`
            },
            app: {},
            overrides: {
                env: {}
            }
        };

        // fs.ensureDirSync(tmpDir);
        if (this.flags.overrides) {
            // body.overrides = this.flags.overrides.map( override => ())
            for (const override of this.flags.overrides) {
                body.overrides.env[override.split('=')[0]] = override.split('=')[1];
            }
        }

        if (this.flags.envuser) {
            body.overrides.env[this.flags.envuser] = this.org.getUsername();
        }

        if (this.flags.envpassword) {
            const displayResultJSON = await exec2JSON('sfdx force:org:display --json');
            // this.ux.logJson(displayResultJSON);
            body.overrides.env[this.flags.envpassword] = displayResultJSON.result.password;
        }

        // this.ux.logJson(body);

        const headers = {
            Accept: 'application/vnd.heroku+json; version=3',
            Authorization: `Bearer ${process.env.HEROKU_API_KEY}`
        };

        if (this.flags.name) {
            body.app = {
                name: this.flags.name
            };
        }

        if (this.flags.name) {
            body.app.organization = this.flags.team;
        }

        const result = await request.post({
            url: herokuAPIendpoint,
            headers,
            body,
            json: true
        });

        let { status } = result;
        let statusResult;

        while (status === 'pending') {
            statusResult = await request.get({
                url: `${herokuAPIendpoint}/${result.id}`,
                json: true,
                headers
            });
            status = statusResult.status;
            sleep(pollingInterval);
        }

        // if error
        if (status === 'failed') {
            this.ux.log(chalk.red('Error deploying the app'));
            if (!this.flags.json) {
                this.ux.logJson(statusResult);
            }
            throw new Error(statusResult.failure_message);
        } else if (status === 'succeeded') {
            this.ux.log(
                chalk.green(
                    `App deployed, available at ${statusResult.resolved_success_url}. Delete by running heroku destroy -a ${statusResult.app.name} -c ${statusResult.app.name}`
                )
            );
        }
        return statusResult;
    }
}