child_process.spawn as promise

spawnPromise.js

import child_process from 'child_process';

function spawnPromise(cmd, args, options) {
    return new Promise(function (resolve, reject) {
        const process = child_process.spawn(cmd, args, options);
        process.on('close', function (code) {
            resolve(code);
        });
        process.on('error', function (err) {
            reject(err);
        });
    });
}

(async function main(){
    try{
        const code = await spawnPromise('ls', [], {
            stdio: 'inherit'
        })
        process.exit(code);
    }catch(err){
        console.log('error', err.message)
    }
})()