Ivan Ivanovich

const delById = (arr, id) => {
  const i = arr.findIndex(el => el.id === id);
  if (-1 === i) return arr;
  arr.splice(i, 1);
  return arr;
}

let nodeExternals = require('webpack-node-externals');
...
let serverConfig = {
       externals: [nodeExternals()],
}

const test = await Config.findOne()
await Config.findOneAndUpdate({isWorking: {$exists: true}}, {$set: {isWorking: 1}});

window.onresize = function(event) {
    ...
};

$sql = "INSERT INTO orders (email) VALUES ('$email')";

const getDataDB = q=>{
  return new Promise(( resolve, reject) => connection.query(q, (err,result)=>{
    if(err) reject(err);
    console.log(1);

    resolve(result);
  }));
};