Overload a webserver with a large number of queries for testing purposes (don't be a dick...)

overload.js

var argv = require('yargs')
    .usage('Usage: $0 -n num -q url[?queryString] [-m method] [-b body]')
    .demandOption(['n', 'q'])
    .argv;
var axios = require('axios');

promises = []

Promise.all([...Array(parseInt(argv.n, 10))].map((data, index) => {
    let p
    if (argv.b) {
        p = axios[argv.m || 'post'](argv.q, argv.b);
    }
    else {
        p = axios[argv.m || 'get'](argv.q);
    }
    // with a body,
    return p.then(response => {
        console.log("Response for request #" + index + ':');
        console.log(response.status + ' ' + response.statusText + ': ' + JSON.stringify(response.data));
        return response;
    })
        .catch((error) => {
        console.error("Error while submitting request #" + index);
        console.error(error);
    });
})).then(() => {
    console.log("Successfully received " + argv.n + ' responses.')
}).catch(error => {
    console.error(error);
});

package.json

{
  "name": "overload",
  "version": "1.0.0",
  "description": "Overload a webserver with a large number of queries for testing purposes (don't be a dick...)",
  "main": "overload.js",
  "dependencies": {
    "axios": "^0.19.0",
    "yargs": "^14.0.0"
  },
  "devDependencies": {},
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "keywords": [
    "http",
    "overload",
    "testing"
  ],
  "author": "Romain GUYOT de la HARDROUYERE",
  "license": "MIT"
}