Express App zum Wichtel-Ziehen

wichteln-server.js

const express = require('express');

const names = [
    'arved',
    'ahmad',
    'sebastian',
    'marcel'
];

const randomIndexFromArray = array => {
    return Math.floor(Math.random() * names.length);
};

const getNameAndRemove = iam => {
    let nameIndex;

    do {
        nameIndex = randomIndexFromArray(names);
    } while(names[nameIndex] === iam);

    const name = names.splice(nameIndex, 1)[0];
    return name;
};


const app = express();

app.get('/get/:iam', (req, res) => {
    const name = getNameAndRemove(req.params.iam);
    if(!name){
        return res.send('namelist empty');
    }
    res.send('your name: ' + name);
    console.log('names remaining in list', names.length);
});

app.listen(8080);