gerard2p/koaton-cli

import * as path from 'upath';
import * as spawn from 'cross-spawn';
import spin from '../spinner';

const spinner = spin();

export default function shell (display, command, cwd = process.cwd()) {
    return new Promise(function (resolve) {
        let shelllog = '';
        if (skipshell) {
            console.log(`+ ${display}\t${__ok}`.green);
            resolve(0);
            return;
        }
        let buffer = '';
        let c = null;
        const output = function (data) {
            shelllog += data.toString();
            buffer += data.toString();
            if (buffer.indexOf('\n') > -1) {
                let send = buffer.toString().split('\n');
                spinner.pipe({
                    action: 'extra',
                    msg: send[0].substr(0, 150).replace(/\n/igm, '')
                });
                buffer = '';
            }
        };
        const child = spawn(command[0], command.slice(1), {
            cwd: path.join(cwd, '/'),
            shell: true
        });
        spinner.start(1000 / 24, display, undefined, process.stdout.columns).then(() => {
            resolve(c);
        });
        child.stderr.on('data', output);
        child.stdout.on('data', output);
        /* istanbul ignore next */
        child.on('error', function () {
            c = 1;
            spinner.end(shelllog);
        });
        child.on('close', function (code) {
            c = code;
            spinner.end(`   ${code === 0 ? __ok.green : __nok.red} ${display}`);
        });
    });
}